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Reason And Periods For Treatment For
Posterior Crossbite
ACHIEVED BY: Dr.Maen Dawodi
Without early treatment Posterior crossbite it can result :
1- facial asymmetry and temporomandibular disorders in adulthood.
2 Furthermore, the muscular hyperactivity on the crossbite side might
have an unfavorable influence on craniofacial growth that can lead to
craniofacial asymmetry
3- temporomandibular joint (TMJ) dysfunction and deviation from
normal facial esthetics.
•Etiologic factors responsible for crossbite:
1 Dental 2 Skeletal 3 Functional
In normally growing mandible, posterior crossbites should be treated
as early as possible Why !? to allow the normal growth and
development of the dental arches and the TMJ.
Posterior crossbite management
IN PRIMARY IN MIXED DENTITION
•In Primary Dentition
Posterior crossbite in primary dentition is usually as a result of constriction
of the maxillary arch which often results from an active digit or pacifier
habit.
- Determine whether there is an associated mandibular shift.
Mandibular shift
Present Not Present
treatment is implemented to
correct the crossbite
treatment is delayed until the
permanent first molars erupt
If the first permanent molar erupts
into crossbite
If the first permanent molar
erupts normally
Treatment is not indicated until
the permanent premolars erupt
Treatment is initiated (if no
other malocclusion exists)
In Mixed Dentition
- Posterior crossbite correction in mixed dentition can be difficult and
confusing.
- The clinician should rely on a well documented database to determine
whether a skeletal/dental correction is necessary.
- And in areas where mandibular shift is present it should be managed
as soon as possible to prevent soft tissue and dental compensation.
Posterior dental crossbite
Generalized Localized
Unilateral Bilateral
Reference
• 1) S.I. Bhalajhi – Orthodontics-The Art and Science2) Gurkeerat singh
– A Textbook of orthodontics.3) Mc Donald RE, Avery DR, Dean JA --
Dentistry for the child and adolescence.4) Angus C Cameron –
Handbook of Pediatric Dentistry.5) Pinkham, Casammassimo,
McTigue, Nowak – Pediatric Dentistry Infancy Through Adolescence.
• 2-American Journal of Orthodontics and Dentofacial Orthopedics
Melink et al 33 Volume 138, Number 1
Thank you

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Reason And Periods For Treatment For Posterior Crossbite.pptx

  • 1. Reason And Periods For Treatment For Posterior Crossbite ACHIEVED BY: Dr.Maen Dawodi
  • 2. Without early treatment Posterior crossbite it can result : 1- facial asymmetry and temporomandibular disorders in adulthood. 2 Furthermore, the muscular hyperactivity on the crossbite side might have an unfavorable influence on craniofacial growth that can lead to craniofacial asymmetry 3- temporomandibular joint (TMJ) dysfunction and deviation from normal facial esthetics.
  • 3. •Etiologic factors responsible for crossbite: 1 Dental 2 Skeletal 3 Functional
  • 4. In normally growing mandible, posterior crossbites should be treated as early as possible Why !? to allow the normal growth and development of the dental arches and the TMJ. Posterior crossbite management IN PRIMARY IN MIXED DENTITION
  • 5. •In Primary Dentition Posterior crossbite in primary dentition is usually as a result of constriction of the maxillary arch which often results from an active digit or pacifier habit. - Determine whether there is an associated mandibular shift. Mandibular shift Present Not Present treatment is implemented to correct the crossbite treatment is delayed until the permanent first molars erupt If the first permanent molar erupts into crossbite If the first permanent molar erupts normally Treatment is not indicated until the permanent premolars erupt Treatment is initiated (if no other malocclusion exists)
  • 6. In Mixed Dentition - Posterior crossbite correction in mixed dentition can be difficult and confusing. - The clinician should rely on a well documented database to determine whether a skeletal/dental correction is necessary. - And in areas where mandibular shift is present it should be managed as soon as possible to prevent soft tissue and dental compensation. Posterior dental crossbite Generalized Localized Unilateral Bilateral
  • 7. Reference • 1) S.I. Bhalajhi – Orthodontics-The Art and Science2) Gurkeerat singh – A Textbook of orthodontics.3) Mc Donald RE, Avery DR, Dean JA -- Dentistry for the child and adolescence.4) Angus C Cameron – Handbook of Pediatric Dentistry.5) Pinkham, Casammassimo, McTigue, Nowak – Pediatric Dentistry Infancy Through Adolescence. • 2-American Journal of Orthodontics and Dentofacial Orthopedics Melink et al 33 Volume 138, Number 1