Condylar Fractures /certified fixed orthodontic courses by Indian dental academy


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Condylar Fractures /certified fixed orthodontic courses by Indian dental academy

  1. 1. CONDYLAR FRACTURES INDIAN DENTAL ACADEMY Leader in continuing dental education
  2. 2. Imaging/radiographs P.A view of the skull Lateral Oblique OPG C.T M.R.I
  3. 3. Treatment of condylar # Non Surgical/Conservative method Surgical method
  4. 4. Conservative/Nonsurgical Most of the cases can be treated by this method. 1. Observation & softdiet 2. Immobilization with archbars&wires 3. Intense physiotherapy.
  5. 5. Anatomy of condyle in child Upto 2 years of age condylar head is highly vascular penetrated by numerous blood vessels. Cortical bone of condyle is thinner than the adult condyle. Condylar head is broader,fuller and neck is thicker than adult
  6. 6. Glenoid fossa is shallower,concave with a steeper morepronounced articular eminence. Bone quality is more softer and pliable. The increased vascularity with thinner cortical bone,makes childs condyle more susceptible to burst type of #,leaving multiple ,small,highly osteogenic fragments in joint space. This increases the risk of ankylosis
  8. 8. Children under 10yrs of Age: This group more likely develops growth disturbance or limitation of movement than others If malocclusion is present becoz of condylar #, it should be disregarded becoz spontaneaous correction will take place as the dentition develops
  9. 9. Displaced condylar neck # will undergo full functional restitution in most cases. Immobilzation by MMF is indicated for control of pain and should be released in 710 days. In case of intracapsular #careful followup and monitoring of growth is required. Treatment with myofunctional appliances started if subsequent mandibular development is reduced.
  10. 10. Adolescents 10-17 years If malocclusion is present the capacity for spontaneous correction is less than the younger age group. MMF is indicated for 2-3 weeks if there is malocclusion. The dentition is suitable for eyelet application.
  11. 11. ADULTS Unilateral intracapsular #: -Occlusion is usually undisturbed -Fracture should be treated conservatively without MMF -Occasionally slight malocclusion is noted,in which case MMF for 2-3 weeks is applied.
  12. 12. UNILATERAL CONDYALR NECK # Undisplaced # where there is no occlusal disturbance no active treatment is done. --A # dislocation will often cause malocclusion due to shortening of ramus. --A low condylar neck # is probably best treated by ORIF.
  13. 13. --High condylar # with extensive displacement and malocclusion, MMF is applied and maintained till bony union has occurred i.e 3-4weeks --BILATERAL CONDYLAR NECK # There is considerable displacement on one side or other Although the application of MMF will establish the occlusion,it will not reliably reduce the fracture on both sides So ORIF of atleast one side is indicated to restore the ramus height
  14. 14. BILATERAL HIGH CONDYLAR NECK # ORIF is likely to be difficult MMF should be applied for 6 weeks If arch bars or cap splints are applied the use of intermittent elastics at night for several weeks after the fixation is removed is done. When a bilateral # is associated with major midfacial # then ORIF of both sides is desirable.
  15. 15. INDICATIONS OF OPEN REDUCTION ABSOLUTE INDICATIONS: 1. Displacement of condyle into the middle cranial fossa. 2. Unable to obtain the good occlusion by closed tech. 3. Lateral extracapsular dislocation of the condyle
  16. 16. RELATIVE INDICATIONS: 1. Bilateral condylar #in an edentulous patient when splints are unavailable or not possible becoz of severe ridge atrophy. 2. Unilateral/bilateral condylar #when splinting is contraindicated becoz of associated medical conditions. 3. Bilateral condylar # associated with communited midfacial #
  17. 17. APPROACHES TO TMJ 1. 2. 3. 4. 5. Submandibular(RISDON’S) Postramal(HIND’S) Postauricular Endaural Preauricular -Dingmans -Blair’s -Thoma’s -Al-Kayat and Bramley’s
  18. 18. 6 Hemicoronal 7 Coronal/Bicoronal
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  30. 30. Thank you Leader in continuing dental education