Mandibular corpus horizontal distraction in an edentulous case and its effects on the contralateral coronoid processus-arcus zygomaticus relation

Interaction between the coronoid processus and the arcus-zygomaticus on contralateral hemi-mandible often drops off the radar in case of distraction osteogenesis of the mandibular corpus. We presented a 42 years old male without any teeth applied to hospital for facial asymmetry, short hemi-mandible and chewing problems. 2D and 3D computerized tomography and stereo-lithographic models were used for planning, predicting possible movements on the contralateral condyle and anticipate the relation of contralateral coronoid process the with zygomatic arc. Maximum safe amounts of distraction were calculated with cooperation with orthodontics and radiology. The rotation angle on the axis of the contralateral condyle is calculated in order to measure the defect to be corrected to take the maxillary and mandibular midlines to the same plane. Total calculated defect were shortened for preventing any interaction between the coronoid processus and the arcuszygomaticus on contralateral hemi-mandible. Patient was satisfied and started to use new dentures two months after removal of the distraction device. In order to achieve successful distraction without any problem regarding to opposite side rotation angles of the condyle, and position changes in the coronoid processus, collaboration and multidisciplinary approach are essential with orthodontics and radiologist in case of unilateral mandibular corpus distraction.

Kaynakça

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Kaynak Göster

Acta Medica Anatolia
  • ISSN: 2148-2357
  • Yayın Aralığı: Yılda 4 Sayı
  • Başlangıç: 2013

1.4b1.2b

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