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Year : 2021  |  Volume : 15  |  Issue : 2  |  Page : 106-110

Comparative evaluation of contralateral pterygoid dysjunction versus nondysjunction in unilateral combined maxillomandibular distraction osteogenesis

1 Armed Forces Dental Clinic, New Delhi, India
2 Command Military Dental Centre (EC), c/o 99 APO Pin: 900285, Mumbai, Maharashtra, India
3 INDC Danteshwari, Mumbai, Maharashtra, India

Correspondence Address:
Indranil Deb Roy
Armed Forces Dental Clinic, New Delhi
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/JODD.JODD_49_20

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Aim: To prospectively evaluate efficacy of Unilateral Combined Maxillomandibular Distraction Osteogenesis in cases of facial asymmetry managed by Lefort I osteotomy with oblique ramal osteotomy with or without contralateral pterygoid dysjunction. Objective: To evaluate the post op result in terms of facial symmetry, amount of distraction achieved, occlusal cant changes and radiological findings. Patient and Methods - 9 cases of facial asymmetry were divided into two groups alternatively. Group I cases were managed with Lefort I osteotomy with bilateral pterygoid dysjunction with contralateral wire cinch on normal side along with oblique ramal osteotomy and fixation of distractor in osteotomized mandibular segments. Group II cases were managed without pterygoid dysjunction and cinch on contralateral normal side with all other procedures being same. Distraction of 9-16mm were carried out depending upon the requirement. Results: No significant difference was noted between the study groups at a follow up period of six months in terms of facial symmetry at maxillary and mandibular bases, and occlusal cant. Conclusion: Contralateral Pterygoid dysjunction on unaffected side is not necessary in Unilateral Combined Maxillomandibular Distraction Osteogenesis.

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