Concussion and subluxation
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Concussion is an injury to the tooth-supporting structures without displacement of the tooth, but causes marked sensitivity to percussion. Subluxation is an injury with abnormal loosening of the tooth but no displacement. In concussion, bleeding and swelling occur, causing sensitivity, while subluxation damages ligament fibers, causing mobility. Clinically, concussion shows sensitivity to percussion with no mobility, while subluxation has horizontal mobility and bleeding from gingival sulcus with sensitivity. Radiographs typically show no changes, though subluxation may show slight widening of the periodontal ligament space in severe cases. Treatment involves relieving occlusal forces, splinting if loose, and a soft diet for two
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Ankylosis is the fusion of a tooth root to the alveolar bone due to lack of periodontal ligament space. It occurs most commonly in deciduous teeth, especially the mandibular second molar, as a result of root resorption followed by fusion to the bone. This prevents normal exfoliation of deciduous teeth and impaction of the permanent successor. Ankylosis can be caused by local metabolic changes, trauma, infection or abnormal tongue pressure. Clinically, ankylosed teeth appear sunken, lack mobility, and percussion elicits a solid sound. Radiographically, there is partial or complete absence of the periodontal ligament space and lamina dura. Treatment depends on
ankylosis of teeth
Ankylosis is the fusion of a tooth root to the alveolar bone due to lack of periodontal ligament space. It occurs most commonly in deciduous teeth, especially the mandibular second molar, as a result of root resorption followed by fusion to the bone. This prevents normal exfoliation of deciduous teeth and impaction of the permanent successor. Ankylosis can be caused by local metabolic changes, trauma, infection or abnormal tongue pressure. Clinically, ankylosed teeth appear sunken, lack mobility, and percussion elicits a solid sound. Radiographically, there is partial or complete absence of the periodontal ligament space and lamina dura. Treatment depends on
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This document defines common orthodontic terminology used to describe dental alignment and malocclusions. It discusses orthodontics as a branch of dentistry dealing with facial growth, dental development, and diagnosis and treatment of misaligned bites. Key terms defined include overbite, open bite, deep bite, overjet, crossbite, crowding, spacing, torque, inclination, and facial profiles like long face and rounded face. Diagrams are provided to illustrate different types of malocclusions.
Trauma From Occlusion.pptx
This document discusses trauma from occlusion (TFO), which refers to injury to the periodontium resulting from excessive occlusal forces. It defines key terms, classifies TFO, and describes the stages of tissue response and role of occlusion in periodontal disease pathogenesis. Several human and animal studies are summarized that investigated the relationship between occlusal forces and periodontal disease, generally finding that excessive forces alone do not cause attachment loss but may alter the pathway of destruction in the presence of plaque. The document provides an overview of TFO and its relationship to periodontal disease.
Splinting
This document provides an overview of splinting as a treatment for stabilizing mobile teeth. It defines splinting and discusses the history, objectives, indications, contraindications, and principles of splinting. It describes different types of splints including temporary, provisional, and permanent splints. Temporary splints are used until mobility is reduced and can include wire ligation, bands, or removable acrylic appliances. The goal of splinting is to decrease tooth movement, distribute forces, and stabilize teeth during and after periodontal treatment.
trauma from occlusion new.pptx
*RAMA DENTAL COLLEGE HOSPITAL AND RESEARCH CENTRE
DEPARTMENT OF PERIODONTOLOGY
TRAUMA FROM OCCLUSION
When occlusal forces exceed the adaptive capacity of the tissues, tissue injury results the resultant injury is termed as trauma from occlusion.
Role of occlusion in periodontal disease
The document discusses the role of occlusion in periodontal disease. It defines occlusion and classifies occlusion types. It explores the biological basis of occlusal function and the relationship between occlusal disharmony and periodontal disease. Occlusal trauma from hyperfunction, hypofunction, and parafunctions like bruxism can impact periodontal tissues. The document outlines methods for clinical diagnosis and developing treatment plans involving occlusal therapy, adjustment, and splinting to address occlusal factors and support periodontal treatment.
Why Is My Tooth Loose Part 2 - Dr Muzzafar Zaman
The document discusses three main causes of tooth mobility:
1. Gum disease, which results in loss of alveolar bone and periodontal ligament support for the tooth. Splinting or treating the underlying gum disease can sometimes reduce mobility.
2. Trauma from occlusion, such as from excessive biting forces, fillings, or grinding. This causes inflammation in the periodontium and loosens the tooth. Removing the source of trauma may help.
3. Periapical infections from dead or infected teeth, which cause inflammation and loosen the tooth. Treating the infection, such as with root canal therapy, can reduce mobility.
Mgt of dental trauma
This document provides an overview of the management of dental traumatic injuries in paediatric patients. It discusses the classification, aetiology, epidemiology, clinical evaluation and treatment protocols for various injuries. Key points include:
- Dental trauma is common in children aged 2-4 and 7-10 years old, often due to falls or collisions.
- Injuries range from enamel fractures to luxations and avulsions and are classified systems like Andreasen.
- Clinical evaluation involves medical history, extraoral/intraoral exams, sensitivity tests, and radiographs to diagnose the injury.
- Treatment depends on the injury but may include allowing re-eruption, extraction, or restoration with composite for fractures.
ortho_perio_final.pptx
This document discusses the interrelationship between orthodontics and periodontics. It notes that orthodontic tooth movement can benefit periodontal patients by improving access for cleaning and potentially eliminating the need for osseous surgery in some cases of bone defects. However, it also acknowledges that orthodontic treatment can potentially cause harmful effects like gingival recession, root resorption, or reduced alveolar bone height if excessive forces are used. The document provides details on how different malocclusions and orthodontic appliances can influence plaque accumulation and periodontal health. It emphasizes the importance of a multidisciplinary approach between orthodontists and periodontists to properly treat patients with periodontal and orthodontic needs.
TRAUMATIC INJURIES.pptx
1. Handle the tooth by the crown, not the roots, to avoid further damage. 2. Gently rinse the tooth in milk or saline to clean it. 3. Avoid drying the root surfaces. 4. Reposition the tooth back into the socket and bite down gently to stabilize it. 5. See a dentist as soon as possible for splinting and follow-up care. Prompt replantation improves the chances of tooth survival.
Single complete denture
This document discusses problems associated with single complete dentures and their management. It begins by defining a single complete denture and describing common problems they can cause like loose or tilting dentures and damage to mucosa. It then discusses various combinations of single complete dentures opposing natural teeth, partial dentures, or other complete dentures. Key problems addressed are occlusal disharmonies, excessive forces on the denture base, and ridge resorption. The document outlines several techniques to correct occlusal plane discrepancies, including the Swenson, Yurkstas, Bruce, and Boucher techniques, which involve modifying the opposing teeth using templates made from diagnostic casts. Overall management of problems focuses on achieving a balanced
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Concussion and subluxation
- 2. CONCUSSION AND SUBLUXATION Concussion: An injury to the tooth –supporting structure without abnormal loosening or displacement of the tooth, but with marked reaction to percussion.
- 3. CONCUSSION AND SUBLUXATION Sub luxation (loosening): An injury to the tooth –supporting structure with abnormal loosening, but without displacement.
- 4. CONCUSSION AND SUBLUXATION Healing and pathology: In luxation injuries only minor damage has occurred in the periodontium. In the case of concussion the impact has resulted in bleedingand edema which makes the tooth sensitive to occlusal forces and to a percussion test. Abnormal mobility is not present.
- 5. CONCUSSION AND SUBLUXATION Healing and pathology: In case of sub luxation some damage to ligament fibers has occurred which makes the tooth mobile in horizontal direction and sometimes also with a small component in vertical direction
- 6. CONCUSSION AND SUBLUXATION Clinical examination: Concussion: Reveals a marked reaction to percussion in horizontal or vertical direction. The tooth shows no abnormal mobility. No bleeding from gingival sulcus. Positively to sensibility tests.
- 8. CONCUSSION AND SUBLUXATION Clinical examination: Subluxation: The tooth is mobile in horizontal direction. Sensitive to percussion and occlusal forces. Present of bleeding from gingival sulcus. Positively to sensibility tests.
- 10. CONCUSSION AND SUBLUXATION Radiographic findings: No change can be seen in the periodontal ligament space. In cases with grade 3 vertical mobility may be seen slight widening of the PDL space.
- 11. CONCUSSION AND SUBLUXATION Treatment: Relief of occlusal interferences by selective grinding of opposing teeth. Splinting if severe loosening. Soft diet for 14days.
- 13. CONCUSSION AND SUBLUXATION Follow-up : Follow-up schedule use 4 to 6 weeks. If clinical findings (including sensibility) test and radiographic examination show no abnormal findings controls can be terminated at this time.
- 14. CONCUSSION AND SUBLUXATION complication : Pulp necrosis Pulp resoption
- 15. Thank you