The Kloehn facebow can be used to treat maxillary prognathism or mesial molar movement in the early mixed dentition stage once the permanent maxillary first molars have erupted. It works by restraining the forward growth of the maxilla using orthopedic forces from cervical traction, allowing the mandible to grow normally into a class I relationship. The facebow is attached to bands on the maxillary first molars. Treatment typically lasts 12 months and results in distalization of the maxillary dentition and a reduction in maxillary protrusion.
Class II malocclusion features a distal step relationship between the second deciduous molars, indicating a developing Class II malocclusion. During mixed dentition, clinical findings include a large overjet and deep bite. The Kloehn facebow can be used in early mixed dentition when permanent maxillary first molars have erupted to guide maxillary growth in cases of maxillary excess. Long-term effects of early headgear treatment show significant reduction in extraction treatment needs due to inhibited maxillary growth and resulting wider arches.
The document discusses the features, prevalence, and early intervention of class II division 1 malocclusion involving maxillary excess. It describes the clinical and cephalometric characteristics of class II malocclusion and the use of cervical headgear with a Kloehn facebow to restrain maxillary growth and distalize the upper dentition during the mixed dentition stage to intercept the developing malocclusion. The headgear application is aimed at maintaining a class I molar and canine relationship through orthopedic modification of the maxilla.
The document discusses Class II division 1 malocclusion, including its prevalence, clinical and cephalometric findings, and interceptive treatment using a Kloehn facebow during the mixed dentition stage to restrain maxillary growth and distalize the upper dentition into a Class I relationship. Cervical headgear with a facebow is recommended from late mixed dentition to beginning of permanent dentition to correct maxillary protrusion and achieve a Class I molar and canine relationship.
The document discusses class II malocclusion characteristics during the deciduous, mixed, and permanent dentition stages. It notes that a distal step relationship in the deciduous molars can indicate a developing class II malocclusion. During late mixed/permanent dentition, characteristics include a protrusive midface, retrusive chin, large overjet, and deep bite. Early intervention options for growing maxillary excess include a Kloehn cervical headgear to restrain maxillary growth and distalize the upper dentition. Headgear treatment for 12-18 months can correct the class II malocclusion by allowing mandibular growth while inhibiting maxillary protrusion.
- Class II malocclusion is characterized by a distal positioning of the mandible or maxillary protrusion. It has a prevalence that varies between populations.
- Clinical features include a distal step in the deciduous molars, large overjet, deep bite, and a retrusive chin. Cephalometric findings include a prognathic maxilla or retrusive mandible.
- Early intervention involves maintaining dental health and treating habits. A cervical headgear with facebow is used to restrain maxillary growth and distalize the upper dentition into a Class I relationship.
- Class II malocclusion is characterized by a distal positioning of the mandible or maxillary protrusion. It has a prevalence that varies between populations.
- Clinical features include a distal step in the deciduous molars, large overjet, deep bite, and a retrusive chin. Cephalometric findings include a prognathic maxilla or retrusive mandible.
- Early intervention involves maintaining dental health and addressing habits. A cervical headgear with facebow is used to restrain maxillary growth and distalize the upper dentition into a Class I relationship.
- Class 2 malocclusion is characterized by a distal position of the lower molars or mandible, or protrusion of the maxilla and maxillary teeth.
- It can be treated during mixed dentition using a Kloehn cervical facebow, which applies orthopedic forces to restrain maxillary growth and distalize the upper dentition.
- The facebow consists of an inner bow that fits into headgear tubes bonded to the maxillary first molars and an outer bow. Treatment typically lasts 12 months to achieve a Class I molar relationship.
- Class 2 malocclusion is characterized by a distal position of the lower molars or mandible, or protrusion of the maxilla and maxillary teeth.
- It can be treated during mixed dentition using a Kloehn cervical facebow, which applies orthopedic forces to restrain maxillary growth and distalize the upper dentition.
- The facebow consists of an inner bow that fits into headgear tubes bonded to the maxillary first molars and an outer bow. Treatment typically lasts 12 months to achieve a Class I molar relationship.
Class II malocclusion features a distal step relationship between the second deciduous molars, indicating a developing Class II malocclusion. During mixed dentition, clinical findings include a large overjet and deep bite. The Kloehn facebow can be used in early mixed dentition when permanent maxillary first molars have erupted to guide maxillary growth in cases of maxillary excess. Long-term effects of early headgear treatment show significant reduction in extraction treatment needs due to inhibited maxillary growth and resulting wider arches.
The document discusses the features, prevalence, and early intervention of class II division 1 malocclusion involving maxillary excess. It describes the clinical and cephalometric characteristics of class II malocclusion and the use of cervical headgear with a Kloehn facebow to restrain maxillary growth and distalize the upper dentition during the mixed dentition stage to intercept the developing malocclusion. The headgear application is aimed at maintaining a class I molar and canine relationship through orthopedic modification of the maxilla.
The document discusses Class II division 1 malocclusion, including its prevalence, clinical and cephalometric findings, and interceptive treatment using a Kloehn facebow during the mixed dentition stage to restrain maxillary growth and distalize the upper dentition into a Class I relationship. Cervical headgear with a facebow is recommended from late mixed dentition to beginning of permanent dentition to correct maxillary protrusion and achieve a Class I molar and canine relationship.
The document discusses class II malocclusion characteristics during the deciduous, mixed, and permanent dentition stages. It notes that a distal step relationship in the deciduous molars can indicate a developing class II malocclusion. During late mixed/permanent dentition, characteristics include a protrusive midface, retrusive chin, large overjet, and deep bite. Early intervention options for growing maxillary excess include a Kloehn cervical headgear to restrain maxillary growth and distalize the upper dentition. Headgear treatment for 12-18 months can correct the class II malocclusion by allowing mandibular growth while inhibiting maxillary protrusion.
- Class II malocclusion is characterized by a distal positioning of the mandible or maxillary protrusion. It has a prevalence that varies between populations.
- Clinical features include a distal step in the deciduous molars, large overjet, deep bite, and a retrusive chin. Cephalometric findings include a prognathic maxilla or retrusive mandible.
- Early intervention involves maintaining dental health and treating habits. A cervical headgear with facebow is used to restrain maxillary growth and distalize the upper dentition into a Class I relationship.
- Class II malocclusion is characterized by a distal positioning of the mandible or maxillary protrusion. It has a prevalence that varies between populations.
- Clinical features include a distal step in the deciduous molars, large overjet, deep bite, and a retrusive chin. Cephalometric findings include a prognathic maxilla or retrusive mandible.
- Early intervention involves maintaining dental health and addressing habits. A cervical headgear with facebow is used to restrain maxillary growth and distalize the upper dentition into a Class I relationship.
- Class 2 malocclusion is characterized by a distal position of the lower molars or mandible, or protrusion of the maxilla and maxillary teeth.
- It can be treated during mixed dentition using a Kloehn cervical facebow, which applies orthopedic forces to restrain maxillary growth and distalize the upper dentition.
- The facebow consists of an inner bow that fits into headgear tubes bonded to the maxillary first molars and an outer bow. Treatment typically lasts 12 months to achieve a Class I molar relationship.
- Class 2 malocclusion is characterized by a distal position of the lower molars or mandible, or protrusion of the maxilla and maxillary teeth.
- It can be treated during mixed dentition using a Kloehn cervical facebow, which applies orthopedic forces to restrain maxillary growth and distalize the upper dentition.
- The facebow consists of an inner bow that fits into headgear tubes bonded to the maxillary first molars and an outer bow. Treatment typically lasts 12 months to achieve a Class I molar relationship.
1. Class 2 malocclusion is characterized by a distal positioning of the lower first molars relative to the upper first molars. It involves a prognathic maxilla, retrognathic mandible, or combination of the two.
2. Early signs in the deciduous and mixed dentitions include a distal step relationship between the second deciduous molars and large overjet.
3. Treatment in the early mixed dentition stage involves using a Kloehn facebow headgear to restrain maxillary growth and distalize the upper dentition into a Class I relationship.
1. Class 2 malocclusion is characterized by a distal positioning of the lower first molars relative to the upper first molars. It involves a prognathic maxilla, retrognathic mandible, or combination of the two.
2. Early signs in the deciduous and mixed dentitions include a distal step relationship between the second deciduous molars and large overjet.
3. Treatment in the early mixed dentition stage involves using a Kloehn facebow headgear to restrain maxillary growth and distalize the upper dentition into a Class I relationship.
- Class II malocclusion is characterized by a distal position of the lower molars or mandible, or protrusion of the maxilla and maxillary teeth.
- A key finding is excessive labial proclination and forward positioning of the maxillary anterior teeth. The maxillary first molar is often mesially positioned as well.
- Early intervention using a cervical headgear with facebow can help restrain maxillary growth and distalize the upper dentition to achieve a Class I relationship. The facebow is fitted to the maxillary first molar bands.
- Class II malocclusion is characterized by a distal position of the lower molars or mandible, or protrusion of the maxilla and maxillary teeth.
- A key finding is excessive labial proclination and forward positioning of the maxillary anterior teeth. The maxillary first molar is often mesially positioned as well.
- Early intervention using a cervical headgear with facebow can help restrain maxillary growth and distalize the upper dentition to achieve a Class I relationship. Treatment typically begins in late mixed or early permanent dentition to coincide with the facial growth spurt.
- Class II malocclusion is characterized by a distal position of the lower molars or mandible, or protrusion of the maxilla and maxillary teeth.
- A key finding is excessive labial proclination and forward positioning of the maxillary anterior teeth. The maxillary first molar is often mesially positioned as well.
- Early intervention using a cervical headgear with facebow can help restrain maxillary growth and distalize the upper dentition to achieve a Class I relationship. Treatment typically begins in late mixed or early permanent dentition to coincide with the facial growth spurt.
1. Class II malocclusions are caused by maxillary protrusion, mandibular retrusion, or a combination of both. Early headgear treatment reduces maxillary protrusion while allowing normal mandibular growth.
2. The effects of headgear include distalizing maxillary molars, inhibiting maxillary growth, and expanding both arches. These changes reduce the need for future extraction treatment and produce stable results.
3. Kloehn facebows can also be used in early mixed dentition to guide maxillary growth backward and downward, preventing worsening of class II malocclusions. Patient compliance is important for success with these orthodontic appliances.
- Class II malocclusion is characterized by a distal position of the lower molars or mandible, or protrusion of the maxilla and maxillary teeth.
- Early intervention with a cervical headgear and facebow can be used to restrain maxillary growth and distalize the upper dentition in class II division 1 cases involving maxillary excess.
- Treatment typically begins in late mixed dentition or early permanent dentition to coincide with the peak period of facial growth.
- Class II malocclusion is characterized by a distal relationship between the maxillary and mandibular teeth. It has several craniofacial and skeletal features.
- Early signs in the deciduous and mixed dentitions include a distal step relationship between the second deciduous molars and transverse discrepancy.
- Treatment in the mixed dentition stage involves using a cervical headgear with facebow to restrain maxillary growth and distalize the upper dentition to achieve Class I molar and canine relationships.
Class II malocclusion is characterized by a distal relationship of the mandibular dentition relative to the maxillary dentition. It has several craniofacial and dental features including a retruded mandible, large overjet, and distal step relationship of the deciduous molars. Early intervention with a Kloehn facebow can redirect maxillary growth and correct the class II relationship in growing children. The facebow applies orthopedic forces to restrain maxillary growth while allowing normal mandibular growth.
1. Class 2 malocclusion is characterized by a distal relationship of the mandibular molars or retrusion of the mandible. It has a high prevalence among certain populations.
2. Clinical findings include a distal step relationship between the deciduous molars, large overjet, deep bite, and a class 2 molar and canine relationship. Cephalometric findings include a prognathic maxilla, retrognathic mandible, or combination of the two.
3. Interception of developing class 2 malocclusion can be done during the mixed dentition stage using a cervical headgear with facebow to restrain maxillary growth and distalize the upper dentition into a class 1
Class II malocclusion features a protrusive maxilla and/or retrusive mandible, presenting with a protrusive mid-face and/or retrusive chin. Early intervention involves using a Kloehn facebow headgear with cervical traction to restrain maxillary growth while allowing normal mandibular growth. This distalizes the maxillary dentition into a Class I relationship. Treatment is most effective when begun in late mixed or early permanent dentition to coincide with facial growth spurts. Effects include reducing maxillary protrusion while widening and expanding the arches.
Class II malocclusion features growing maxillary excess and can be intercepted early. It has high prevalence and clinical signs include distal molar relationship, overjet, and maxillary protrusion. Cephalometric findings show maxillary protrusion or mandibular retrusion. Kloehn facebow with cervical headgear restrains maxillary growth from ages 7-9 to correct the class II relationship and distalize upper molars in 12 months, allowing normal mandibular growth.
Class II malocclusion features a protrusive maxilla and/or retrusive mandible. It is characterized by a large overjet, deep bite, and distally inclined molars, premolars and canines. Early intervention using a Kloehn facebow headgear can guide maxillary growth, restricting its forward movement and distalizing the dentition into a Class I relationship. The facebow applies light orthopedic forces to the maxilla via an outer bow connected to the tragus and an inner bow fitted into molar tubes. Treatment typically lasts 12-18 months and results in a reduced overjet and ANB angle through restriction of maxillary growth.
Class II malocclusion features a protrusive maxilla and/or retrusive mandible. It is characterized by a large overjet, deep bite, and distally inclined molars, premolars and canines. Early intervention using a Kloehn facebow headgear can guide maxillary growth, restricting its forward movement and distalizing the dentition into a Class I relationship. The facebow applies light orthopedic forces to the maxilla via an outer bow connected to the tragus and an inner bow fitted into molar tubes. Treatment typically lasts 12-18 months and results in a reduced overjet and ANB angle through restricted maxillary growth and molar distalization.
Class II malocclusion is characterized by a distal relationship between the maxillary and mandibular teeth and is one of the most common orthodontic problems.
Early signs in the deciduous and mixed dentitions include a distal step relationship between the second deciduous molars and features like a large overjet and overbite.
Interceptive treatment during the mixed dentition aims to restrain maxillary growth using a cervical facebow headgear to distalize the maxillary molars and correct the class II relationship.
Class II malocclusion features growing maxillary excess characterized by distal molar relationship, overjet, and retruded mandible. Early intervention utilizes cervical headgear from Kloehn facebow to restrain forward maxillary growth, distalize upper molars, and allow normal mandibular growth for correction. Headgear is effective but requires patient compliance worn 12-14 hours daily for approximately 12 months.
Class II division 1 malocclusion features a retrognathic mandible or prognathic maxilla. Clinical findings include a distal step in the deciduous molars and large overjet in mixed/permanent dentition. Cephalometric findings show maxillary protrusion or mandibular retrusion. Early intervention includes addressing habits, using a cervical headgear with facebow to restrain maxillary growth and distalize the upper dentition into a Class I relationship. Treatment effects include reducing maxillary protrusion while allowing normal mandibular growth.
Class II malocclusion is characterized by a distal relationship between the maxillary and mandibular teeth. It has a prevalence that varies between populations. Clinical findings may include a distal step relationship between deciduous molars, large overjet, and deep bite. Skeletally, it can involve a prognathic maxilla, retruded mandible, or combination. Early intervention aims to restrain maxillary growth using a cervical headgear with facebow to distalize the upper dentition into a Class I relationship before the mandible completes its growth.
Class II malocclusion features a distal relationship of the mandibular dentition relative to the maxilla. It has a prevalence among Caucasians and involves either maxillary excess, mandibular retrusion, or a combination. Clinical findings include a distal step in the deciduous molars, large overjet, and deep bite. Cephalometric findings show a prognathic maxilla or retrusive mandible. Early intervention via a cervical facebow headgear can restrain maxillary growth, distalize the upper dentition, and correct to a Class I relationship.
Cervical traction is used during active clinical crown height stage of teeth to place the inner bow close to the center of resistance of the first molar, which is near the trifurcation of roots. The inner bow has stops to maintain a 4-6mm space between the bow and incisors. A Kloehn facebow is a cervical headgear used to redirect maxillary growth in class II division 1 malocclusions involving maxillary excess during mixed dentition stage. It utilizes orthopedic forces from the outer bow connected to the tragus to restrain maxillary growth and distalize the dentition.
This document discusses behaviour management techniques for treating children in a dental setting. It defines behaviour shaping and modification, and outlines the objectives of behaviour management. It describes several classifications of children's behaviour put forth by Frankel, Lampshire and Wright. Non-pharmacological behaviour management methods are outlined, including communication, behaviour shaping techniques like desensitization and modelling, and contingency management. Additional techniques discussed are audio analgesia, biofeedback, voice control, humour, coping strategies, relaxation, hypnosis, implosion therapy and aversive conditioning.
This document discusses behavioural dentistry and guidelines for conscious sedation and general anesthesia. It defines behaviour as any observable change in an organism's functioning. Conscious sedation requires practitioners to be trained and continuously monitor patients' vital signs. General anesthesia may be used for uncooperative patients or those with medical compromises. Proper pre-operative, peri-operative, and post-operative procedures and patient instructions are important for safety.
1. Class 2 malocclusion is characterized by a distal positioning of the lower first molars relative to the upper first molars. It involves a prognathic maxilla, retrognathic mandible, or combination of the two.
2. Early signs in the deciduous and mixed dentitions include a distal step relationship between the second deciduous molars and large overjet.
3. Treatment in the early mixed dentition stage involves using a Kloehn facebow headgear to restrain maxillary growth and distalize the upper dentition into a Class I relationship.
1. Class 2 malocclusion is characterized by a distal positioning of the lower first molars relative to the upper first molars. It involves a prognathic maxilla, retrognathic mandible, or combination of the two.
2. Early signs in the deciduous and mixed dentitions include a distal step relationship between the second deciduous molars and large overjet.
3. Treatment in the early mixed dentition stage involves using a Kloehn facebow headgear to restrain maxillary growth and distalize the upper dentition into a Class I relationship.
- Class II malocclusion is characterized by a distal position of the lower molars or mandible, or protrusion of the maxilla and maxillary teeth.
- A key finding is excessive labial proclination and forward positioning of the maxillary anterior teeth. The maxillary first molar is often mesially positioned as well.
- Early intervention using a cervical headgear with facebow can help restrain maxillary growth and distalize the upper dentition to achieve a Class I relationship. The facebow is fitted to the maxillary first molar bands.
- Class II malocclusion is characterized by a distal position of the lower molars or mandible, or protrusion of the maxilla and maxillary teeth.
- A key finding is excessive labial proclination and forward positioning of the maxillary anterior teeth. The maxillary first molar is often mesially positioned as well.
- Early intervention using a cervical headgear with facebow can help restrain maxillary growth and distalize the upper dentition to achieve a Class I relationship. Treatment typically begins in late mixed or early permanent dentition to coincide with the facial growth spurt.
- Class II malocclusion is characterized by a distal position of the lower molars or mandible, or protrusion of the maxilla and maxillary teeth.
- A key finding is excessive labial proclination and forward positioning of the maxillary anterior teeth. The maxillary first molar is often mesially positioned as well.
- Early intervention using a cervical headgear with facebow can help restrain maxillary growth and distalize the upper dentition to achieve a Class I relationship. Treatment typically begins in late mixed or early permanent dentition to coincide with the facial growth spurt.
1. Class II malocclusions are caused by maxillary protrusion, mandibular retrusion, or a combination of both. Early headgear treatment reduces maxillary protrusion while allowing normal mandibular growth.
2. The effects of headgear include distalizing maxillary molars, inhibiting maxillary growth, and expanding both arches. These changes reduce the need for future extraction treatment and produce stable results.
3. Kloehn facebows can also be used in early mixed dentition to guide maxillary growth backward and downward, preventing worsening of class II malocclusions. Patient compliance is important for success with these orthodontic appliances.
- Class II malocclusion is characterized by a distal position of the lower molars or mandible, or protrusion of the maxilla and maxillary teeth.
- Early intervention with a cervical headgear and facebow can be used to restrain maxillary growth and distalize the upper dentition in class II division 1 cases involving maxillary excess.
- Treatment typically begins in late mixed dentition or early permanent dentition to coincide with the peak period of facial growth.
- Class II malocclusion is characterized by a distal relationship between the maxillary and mandibular teeth. It has several craniofacial and skeletal features.
- Early signs in the deciduous and mixed dentitions include a distal step relationship between the second deciduous molars and transverse discrepancy.
- Treatment in the mixed dentition stage involves using a cervical headgear with facebow to restrain maxillary growth and distalize the upper dentition to achieve Class I molar and canine relationships.
Class II malocclusion is characterized by a distal relationship of the mandibular dentition relative to the maxillary dentition. It has several craniofacial and dental features including a retruded mandible, large overjet, and distal step relationship of the deciduous molars. Early intervention with a Kloehn facebow can redirect maxillary growth and correct the class II relationship in growing children. The facebow applies orthopedic forces to restrain maxillary growth while allowing normal mandibular growth.
1. Class 2 malocclusion is characterized by a distal relationship of the mandibular molars or retrusion of the mandible. It has a high prevalence among certain populations.
2. Clinical findings include a distal step relationship between the deciduous molars, large overjet, deep bite, and a class 2 molar and canine relationship. Cephalometric findings include a prognathic maxilla, retrognathic mandible, or combination of the two.
3. Interception of developing class 2 malocclusion can be done during the mixed dentition stage using a cervical headgear with facebow to restrain maxillary growth and distalize the upper dentition into a class 1
Class II malocclusion features a protrusive maxilla and/or retrusive mandible, presenting with a protrusive mid-face and/or retrusive chin. Early intervention involves using a Kloehn facebow headgear with cervical traction to restrain maxillary growth while allowing normal mandibular growth. This distalizes the maxillary dentition into a Class I relationship. Treatment is most effective when begun in late mixed or early permanent dentition to coincide with facial growth spurts. Effects include reducing maxillary protrusion while widening and expanding the arches.
Class II malocclusion features growing maxillary excess and can be intercepted early. It has high prevalence and clinical signs include distal molar relationship, overjet, and maxillary protrusion. Cephalometric findings show maxillary protrusion or mandibular retrusion. Kloehn facebow with cervical headgear restrains maxillary growth from ages 7-9 to correct the class II relationship and distalize upper molars in 12 months, allowing normal mandibular growth.
Class II malocclusion features a protrusive maxilla and/or retrusive mandible. It is characterized by a large overjet, deep bite, and distally inclined molars, premolars and canines. Early intervention using a Kloehn facebow headgear can guide maxillary growth, restricting its forward movement and distalizing the dentition into a Class I relationship. The facebow applies light orthopedic forces to the maxilla via an outer bow connected to the tragus and an inner bow fitted into molar tubes. Treatment typically lasts 12-18 months and results in a reduced overjet and ANB angle through restriction of maxillary growth.
Class II malocclusion features a protrusive maxilla and/or retrusive mandible. It is characterized by a large overjet, deep bite, and distally inclined molars, premolars and canines. Early intervention using a Kloehn facebow headgear can guide maxillary growth, restricting its forward movement and distalizing the dentition into a Class I relationship. The facebow applies light orthopedic forces to the maxilla via an outer bow connected to the tragus and an inner bow fitted into molar tubes. Treatment typically lasts 12-18 months and results in a reduced overjet and ANB angle through restricted maxillary growth and molar distalization.
Class II malocclusion is characterized by a distal relationship between the maxillary and mandibular teeth and is one of the most common orthodontic problems.
Early signs in the deciduous and mixed dentitions include a distal step relationship between the second deciduous molars and features like a large overjet and overbite.
Interceptive treatment during the mixed dentition aims to restrain maxillary growth using a cervical facebow headgear to distalize the maxillary molars and correct the class II relationship.
Class II malocclusion features growing maxillary excess characterized by distal molar relationship, overjet, and retruded mandible. Early intervention utilizes cervical headgear from Kloehn facebow to restrain forward maxillary growth, distalize upper molars, and allow normal mandibular growth for correction. Headgear is effective but requires patient compliance worn 12-14 hours daily for approximately 12 months.
Class II division 1 malocclusion features a retrognathic mandible or prognathic maxilla. Clinical findings include a distal step in the deciduous molars and large overjet in mixed/permanent dentition. Cephalometric findings show maxillary protrusion or mandibular retrusion. Early intervention includes addressing habits, using a cervical headgear with facebow to restrain maxillary growth and distalize the upper dentition into a Class I relationship. Treatment effects include reducing maxillary protrusion while allowing normal mandibular growth.
Class II malocclusion is characterized by a distal relationship between the maxillary and mandibular teeth. It has a prevalence that varies between populations. Clinical findings may include a distal step relationship between deciduous molars, large overjet, and deep bite. Skeletally, it can involve a prognathic maxilla, retruded mandible, or combination. Early intervention aims to restrain maxillary growth using a cervical headgear with facebow to distalize the upper dentition into a Class I relationship before the mandible completes its growth.
Class II malocclusion features a distal relationship of the mandibular dentition relative to the maxilla. It has a prevalence among Caucasians and involves either maxillary excess, mandibular retrusion, or a combination. Clinical findings include a distal step in the deciduous molars, large overjet, and deep bite. Cephalometric findings show a prognathic maxilla or retrusive mandible. Early intervention via a cervical facebow headgear can restrain maxillary growth, distalize the upper dentition, and correct to a Class I relationship.
Cervical traction is used during active clinical crown height stage of teeth to place the inner bow close to the center of resistance of the first molar, which is near the trifurcation of roots. The inner bow has stops to maintain a 4-6mm space between the bow and incisors. A Kloehn facebow is a cervical headgear used to redirect maxillary growth in class II division 1 malocclusions involving maxillary excess during mixed dentition stage. It utilizes orthopedic forces from the outer bow connected to the tragus to restrain maxillary growth and distalize the dentition.
This document discusses behaviour management techniques for treating children in a dental setting. It defines behaviour shaping and modification, and outlines the objectives of behaviour management. It describes several classifications of children's behaviour put forth by Frankel, Lampshire and Wright. Non-pharmacological behaviour management methods are outlined, including communication, behaviour shaping techniques like desensitization and modelling, and contingency management. Additional techniques discussed are audio analgesia, biofeedback, voice control, humour, coping strategies, relaxation, hypnosis, implosion therapy and aversive conditioning.
This document discusses behavioural dentistry and guidelines for conscious sedation and general anesthesia. It defines behaviour as any observable change in an organism's functioning. Conscious sedation requires practitioners to be trained and continuously monitor patients' vital signs. General anesthesia may be used for uncooperative patients or those with medical compromises. Proper pre-operative, peri-operative, and post-operative procedures and patient instructions are important for safety.
The document discusses various behavior management techniques used for treating uncooperative pediatric dental patients. It describes techniques like voice control, hand-over-mouth exercise, physical restraint, aversive conditioning, implosion therapy, and retraining. It provides details on how each technique is performed and guidelines on their appropriate usage. The overall aim of these techniques is to modify undesired behaviors and facilitate quality dental treatment for children.
Class 2 malocclusion is characterized by a distal relationship of the lower teeth to the upper teeth. Early intervention during the mixed dentition stage can address a developing Class 2 malocclusion caused by maxillary excess. A Kloehn facebow with cervical headgear can be used to restrain maxillary growth and distalize the upper molars, helping to correct the Class 2 relationship and overjet. The facebow is most effective when worn for 12-14 hours per day during the period of rapid maxillary growth.
1. Class II malocclusion is characterized by a distal relationship of the maxillary teeth to the mandibular teeth and is one of the most common types of malocclusion.
2. Early signs in the deciduous and mixed dentition include a distal step relationship of the deciduous molars, large overjet, and narrow maxillary arch width.
3. Interceptive treatment during the mixed dentition aims to correct the sagittal jaw relationship and involves appliances like the Kloehn facebow to restrain maxillary growth.
1) Various behavior management techniques are described including desensitization, modeling, contingency management, and aversive conditioning.
2) Aversive conditioning techniques include voice control, the hand-over-mouth exercise, and physical restraint to redirect a child's attention and reduce avoidance behavior.
3) Behavior modification aims to facilitate cooperation through techniques like preparing the child beforehand, using positive reinforcement, and exposing the child to anxiety-provoking stimuli in a gradual, controlled way until their negative response extinguishes.
1) The document discusses various behavior management techniques used in pediatric dentistry including desensitization, modeling, contingency management, voice control, hand-over-mouth exercise, physical restraint, implosion therapy, and retraining.
2) Desensitization involves exposing children to stimuli related to dental treatment in a gradual, repeated manner to reduce anxiety while modeling and contingency management use reinforcement to encourage positive behaviors.
3) Aversive techniques like voice control, hand-over-mouth exercises, and physical restraint aim to redirect disruptive behavior but require strict guidelines around appropriate use.
This document discusses various behavior management techniques used for treating uncooperative pediatric dental patients. It describes techniques like voice control, hand-over-mouth exercise, and physical restraint that aim to redirect a child's attention and modify their behavior. It also explains behavior modification methods like desensitization, modeling, and contingency management that use reinforcement to encourage positive behaviors. The document provides details on how to implement these aversive and non-aversive approaches and notes appropriate and contraindicated uses of different restraint techniques.
The document discusses various behavior management techniques used for treating uncooperative pediatric dental patients. It describes precautions that must be taken when using stabilization techniques. It then explains in detail various behavior modification techniques like desensitization, modeling, and contingency management. It also discusses aversive conditioning techniques like voice control, hand-over-mouth exercise, and physical restraint. Other topics covered include coping mechanisms, relaxation training, implosion therapy, and retraining approaches.
The document discusses various behavior management techniques used for pediatric dental patients, including desensitization, modeling, and contingency management. It describes in detail aversive conditioning techniques like voice control, hand-over-mouth exercise, and physical restraint. Precautions for patient safety and indications and contraindications for different techniques are provided. The goal is to modify uncooperative behavior and facilitate quality dental treatment.
The document discusses various behavior management techniques used for treating uncooperative pediatric dental patients. It describes precautions that must be taken when using stabilization techniques. It then explains in detail techniques like desensitization, modeling, contingency management, preappointment preparation, coping strategies, relaxation, aversive conditioning including voice control, hand-over-mouth exercise and physical restraint, implosion therapy, and retraining. The goal is to modify undesired behaviors and facilitate quality dental treatment for children.
Behaviour modification techniques aim to reduce dental anxiety in children. Dessensitization involves gradually exposing children to stimuli related to dental treatment, from telling to showing to doing. Modelling allows children to observe appropriate behaviours. Contingency management uses reinforcement to modify behaviour by presenting or withdrawing rewards. Aversive conditioning techniques like voice control, hand-over-mouth exercises, and physical restraint are used as a last resort to manage disruptive behaviour and allow treatment.
This document discusses various behavior management techniques used for pediatric dental patients. It begins by describing behavior modification techniques like desensitization, modeling, and contingency management. It then discusses preappointment preparation, audioanalgesia, hypnosis, coping mechanisms, relaxation, and aversive conditioning techniques like voice control, hand-over-mouth exercises, and physical restraint. Finally, it briefly mentions implosion therapy and retraining approaches. The overall document provides an overview of both non-pharmacological and pharmacological behavior management strategies used in pediatric dentistry.
This document discusses various behavior modification techniques used in dentistry, including desensitization, modeling, and contingency management. Desensitization involves gradually exposing patients to anxiety-provoking stimuli. Modeling allows patients to observe appropriate behaviors. Contingency management modifies behavior through reinforcement. Other techniques covered include pre-appointment preparation, audioanalgesia, hypnosis, coping mechanisms, relaxation, aversive conditioning using voice control or restraints, implosion therapy, and retraining.
This document discusses various behavior modification techniques used in dentistry, including desensitization, modeling, and contingency management. Desensitization involves gradually exposing patients to anxiety-provoking stimuli. Modeling allows patients to observe appropriate behaviors. Contingency management modifies behavior through reinforcement. Other techniques covered include pre-appointment preparation, audioanalgesia, hypnosis, coping mechanisms, relaxation, aversive conditioning using voice control or hand-over-mouth exercises, physical restraint, implosion therapy, and retraining.
This document discusses various behavior modification techniques used in pediatric dentistry. It describes communication approaches like using a child's name and euphemisms. Behavior modification is defined as altering behavior according to learning theory. Techniques include desensitization by gradually exposing children to dental stimuli, modeling by demonstrating appropriate behaviors, and contingency management using reinforcers. Other approaches covered are preappointment preparation, audioanalgesia, hypnosis, coping mechanisms, relaxation, aversive conditioning techniques like voice control and hand-over-mouth exercises, as well as physical restraint and implosion therapy.
This document discusses various non-pharmacological behavior management techniques used in pediatric dentistry. It covers communication techniques, behavior modification including desensitization, modeling and contingency management. It also discusses pre-appointment preparation and techniques like voice control, hand-over-mouth exercise, physical restraint, implosion therapy, and retraining that aim to modify disruptive behaviors in children undergoing dental treatment.
This document discusses various non-pharmacological behaviour management techniques used for managing child patients in dentistry. It describes communication, behaviour modification techniques like desensitization, modelling and contingency management. It also discusses pre-appointment behaviour modification, aversive conditioning techniques like voice control, hand-over-mouth exercise and physical restraint. Other techniques mentioned include implosion therapy, relaxation and retraining. The document emphasizes establishing strong communication and using reinforcement to modify undesirable behaviours and help children cope with dental treatment.
This document discusses various non-pharmacological behavior management techniques used for pediatric dental patients. It covers communication strategies, behavior modification techniques like desensitization and modeling, and contingency management using reinforcement. It also discusses aversive conditioning techniques like voice control, the hand-over-mouth exercise, and physical restraint. The goal of these techniques is to establish rapport, modify undesired behaviors, and facilitate dental treatment for children.
This document discusses Class II malocclusion, specifically Class II division 1 malocclusion which involves maxillary excess. It provides an overview of the features of Class II malocclusion including the prevalence, etiology, clinical findings during mixed and permanent dentition stages, and cephalometric characteristics. Early intervention for growing maxillary excess is also discussed, including the use of Kloehn cervical headgear with a facebow to restrain maxillary growth and distalize the upper dentition into a Class I relationship.
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1. Age of treatment
Kloehn facebow can be used in suitable cases where
maxillary prognathism exists or mesial molar movement has
occurred. The facebow is indicated in early mixed dentition
when permanent maxillary first molars have erupted and can
be banded.
2. Occlusal and craniofacial characteristics from
deciduous to mixed dentition
• It has been stated by Bishara et al that a distal step deciduous
molar relationship is never self - correcting in growing
children.
• Children with straight terminal plane may develop into a class |
molar or class || molar relationship influenced by the
mandibular growth pattern and adjustment of occlusion during
the late mixed dentition .that would in clinical sense .
• Infer that when we encounter a class|| distal molar relation
early in the mixed or permanent dentition.
• Some sort of interceptive measures may have to be undertaken
or planned because nature would not take care
3. Prevalence of malocclusion of class 2
malocclusion.
Cephalometric finding.
Clinical findings.
Interception of growing class2 division 1
malocclusion.
OVERVIEW
4. The outer face bow is extended to the tragus of the ear.
The rigid outer bow is maintained at an elevation of about
treatment to prevent relapse and enhance anchorage for
maxillary anterior retraction/overjet correction
5. The forward growing maxilla can be intercepted during
mixed dentition utilising orthopaedic forces in right
direction and amount with Kloehn face bow
This modality of treatment was once very popular
especially in USA. The appliance is effective however
requires patient compliance..
6. Adverse effects
Unwanted side effects of Kloehn headgear can result from
the use of this method of treatment in high angle cases,
where molar extrusion and distal tipping may be significant.
This coupled with unfavourable growth of mandible and
clockwise rotation may bring about an undesirable outcome.
The success of the treatment is fully compliance dependent.
The appliance, if not worn correctly or in case of loose
molar band, breakage or welding failure of buccal tube(s),
may cause injury of various kinds and severity.
7. McNamara5 observed two types of skeletal
combinationsin class II children. He found
mandibular retrusion thesingle most
characteristic feature which was attributed
toenvironmental factors such as :
abnormal muscle
function which
altered occlusal
interdigitations.
8. Prevalence
The prevalence of Angle’s class 2 malocclusion varies
among population groups.. It is high among caucasians
and lowest among the primitive races..
Class 2 malocclusions are observed in a wide – spectrum
of presentation and severity …
9. Maintenance of healthy primary dentition.
All efforts are directed
towards maintenance of the
healthy primary dentition
and thus integrity of arch
length. This is achieved
through education and
home care by all the
measures that minimize
occurrence of dental caries.
.
10. The underlying craniofacial pattern of class II children has
been extensively investigated. Most of the studies have
concentrated on angular, sagittal and vertical
measurements on lateral cephalograms. A few studies are
also available ontransverse dimensions using PA
cephalograms.
PA. CEPHALOGRAM
LA
T. CEPHALOGRAM
11. Restoration of carious teeth to their correct antero posterior
dimensions is absolutely essential especially proximal
carious lesions on deciduous molars.
The sole purpose is that permanent first molars should
occupy the space distal to 2nd deciduous molars and
should not prematurely migrate forward.
6
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Moyers et al6 (1980) have identified six
horizontal types of class II pattern which they
designated: A, B,C, D, E and F.They identified
five (1, 2, 3, 4, 5) vertical class II types ..
13. • The mandible grows at a lesser pace than children with
normal occlusion.
• A more backward and downward inclination of the
mandibular body leading to a lesser decrease in the facial
angle is seen .
14. is reduced while sagittal position of the mandible
improves, which is measured as a reduction in angleANB.
The improvement in craniofacial skeletal and dental profile
is sustained during the period of fixed
appliance therapy and post retention period.
15. Occlusal and craniofacial characteristics from
deciduous to mixed dentition
• Distal terminal plane of second deciduous molars . Large
over jet and overbite .
• Narrow maxillary basal bone
• Poor or no spacing in the deciduous dentition
• Transverse discrepancy ( TD) between maxillary and
mandibular deciduous intermolar withs (2.8-1.1) mm
compared to nil among normal occlusal groups .
• Retruded mandible and shorter mandibular length ( Co-Pg)
on cephalometric examination
• The maxilla can also displaced forward in class || subjects
with or without difference in the mandible ..
16.
17. downward tipping
of palatal plane at the anterior nasal spine (ANS).
causes rotation of the palatal plane and slight increase in
SN-PP angle. The inferior descent or extrusion of upper
molars is essentially prevented by the forces of occlusion
from the masticatory muscles.
18. Interception of developing class II malocclusion
Orthodontic interventions in class II
malocclusion during deciduous dentition :
Only limited orthodontic interventions are possible during
the deciduous dentition stage for the interception of
developing class II malocclusion…..
19. Aforce 350 gm is used from cervical gear to the outer bow.
The cervical headgear is recommended to be worn 12-14
hrs/day, in the evening and at night
It usually takes about 12 months to achieve class I molar
relation.
improvement in over jet. This phase of orthopaedic
correction is followed by full bonded fixed mechanotherapy
20. Cases involving essentially maxillary excess compared to
the mandible. Involve guiding alveolar growth in class II
division 1 using headgear orthopaedic force.
Used in class 2 with open bite
cases to intrude molars
Used in class 2 with deep bite
cases to extrude molars
21. The etiology may be attributed to mouth
breathing/prolonged thumb sucking which can be
elicited on carefully recording the history of the
patient….
THUMP SUCKING
MOUTH BREATHING
22. Orthodontic interventions in class II
malocclusion during mixed dentition..
1- Cases involving essentially maxillary excess compared
to the mandible.
2 - Cases involving essentially mandibular retrusion .
25. For type B and E, extraoral traction to maxilla is
suggested while for C, D and F functional jaw
orthopaedics is proposed….
26. • In general , the occlusal and skeletal features of class ||
malocclusion may remain stable or worsen to the stage of
mixed dentition . There are certainly no favourable
changes into a class | occlusion ..
27. Kloehn (1953) was the earliest advocate of the use of
orthopaedic forces to change positions of teeth and so
influence the changes of the alveolar process in the maxilla.
During normal craniofacial and alveolar growth, alveolus
and teeth move forward and this can be intercepted. Thus
if the maxilla is restrained in class II patients, mandible will
follow its normal growth and reach to a normal relation with
the maxilla.
28. their extrusion
The inner bow is expanded, 8 to 10 mm larger than distance
between first molar tubes, and made parallel to the occlusal
plane.
The ends of inner bows are bent inwards to prevent the
rotation of the first molars in their position.
29. cervical traction is continued during/or till the end of
activeclinical crown height. The purpose is to place it close
to centre of resistance of the first molar which is near the
trifurcation of the roots. The inner bow has stops against
molar tubes and are so adjusted that a space of 4-6 mm is
kept between the bow and incisors. The stops can be either
soldered or bent..
30.
31. Long-term effects
The long-term effects of early headgear treatment on 8-year
follow-up have shown that headgear treatment shows a
significant reduction in number of extraction treatment as
compared to controls. The appliance inhibits the growth of
the maxilla and results in wider and longer arches. Its main
effect on maxilla is on the orientation of the maxillary plane.
The maxillary arch expansion achieved during early headgear
treatment results in a corresponding wide lower arch as an
adaptation to maxillary arch..
The arch expansion has been found to be maintained during
long-term follow-up
32.
33.
34. Supervisor . Dr Maher
Fouda
Prepared by Hawwa
Shoaib
Class II division 1 malocclusion:
features and early intervention of
growing maxillary excess
35. Class 2 malocclusion comprises agroup of specific
skeletal. Dental and facial features. It is second in
frequency. Distribution and prevalence amongAngle’s
malocclusion classes .
It is the most frequently encountered and treated
malocclusion in orthodontic practice
36. Class 2 malocclusion is a synonym with distal position of
the lower molar or mandible or protrusion of the maxilla
and maxillary teeth or a variable combination
37. Clinical findings
Presentation during deciduous and early mixed
dentition..
• Adistal step relationship 2nd deciduous molars is an
indication of a devoloping class 2 malocclusion during
the mixed dentition ..
Mixed dentition Permanent dentition
38. Occlusal and craniofacial findings of class II
malocclusion during late mixed/permanent dentition stage
• A child with class II malocclusion presents with a
protrusive mid-face and/or a retrusive chin. They often
report with complaints of superior protrusion, front teeth
jutting out or showing too much.
.
Mid – face protrusive
Retrusive chin
39. This is often accompanied by a large overjet,
deep bite (open bite can be seen in some) and a
class II (distal) molar, premolar and canine
relationship.
.
Large over jet
Deep bite
40. These children have an aberrant pattern of
muscle activity of the facial musculature such as
a flaccid upper lip hyperactive mentalis and
lower lip trap under the procumbent upper
incisors.
Lower lip trap
under the
procumbent
upper incisors
41. Aclass II skeletal pattern may be associated with:
prognathic maxilla retrognathic mandible or combination
of these in varying severity…
Prognathic maxilla
Rertognathic mandible
42. The skeletal maxillary protrusion was not the major finding.
But was rather neutral.
The 2nd was a combination of maxillary and mandibular
skeletal retrusion, often in association with altered mode of
respiration, i.e. mouth breathing.
These children with maxillary and mandibular retrusion
showed :
Greater vertical
development of the
face
43. An excessive labial
proclination and forward
position of the maxillary
anterior teeth is a
common finding in class
IIdivision 1
malocclusion.
The maxillary first
molar is more mesially
positioned ..
Class 2 division 1 , division 2 : the upper first molar mesially
positioned.
44. The anterior segment of maxilla is more
protrusive and superiorly positioned. Excessive
anterior cranial base length and enlarged frontal
and maxillary sinus may be a contributing factor in
the development of class IIdiv. 1 malocclusion.
The mandible and dentition were identical to those
of the controls in size, form and position..
45.
46.
47. Habits. Non-nutritive sucking habits such as prolonged
thumb and finger sucking are taken care of with appropriate
counselling and interceptive habit breaking appliance.A
child with recurrent throat infection, nasal blockages or
allergies should have ENT consultation to prevent mouth
breathing.
Mouth breathing ENT consultation
48. Acervical headgear with
a face bow is used to
restrain maxillary growth
and distalize the upper
dentition to
class I dentition.
49. Components of a face bow
Kloehn cervical facebow consists of an inner bow of 0.045"
diameter and an outer bow of 0.071" diameter. The inner
bow fits in the round headgear tube on the first molar
bands. Conventionally, a double buccal tube is welded and
soldered on to the maxillary first molar bands..
The inner face bow fits in the headgear tube on
first molar bands
Inner and outer facebow
50.
51.
52. Filho et al8 recommended the onset of treatment
in the late mixed dentition or beginning of the permanent
dentition based on the belief that it often coincides with the
facial growth spurt. It may also have the advantage of
continuing the treatment with full-banded fixed appliance,
following completion of 12 months of the first phase.
53. Effect o f cervical headgear on dental/
craniofacial structures in sagittal, vertical and
transverse dimensions..
Following 12-18 months of treatment, there is a reduction
in maxillary protrusion, while mandible continues to
Grow normally. The distalizing effect on maxillary molars
causes them to erupt backward and downward, thus inhibit
loweringof the posterior region of the maxilla, while
anterior region continues to move downward.
.