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김명래(Myung Rae Kim),함수완(Soo Mahn Hahm),김동호(Dong Ho Jun) 대한악안면성형재건외과학회 1981 Maxillofacial Plastic Reconstructive Surgery Vol.3 No.1
This is to report a case of surgical correction for the mandibular prognathism with extreme open bite of a child. The downward overgrowth of the mandible was induced by gigantic lymphangioma of the. tongue which might have resulted in disruption of the entire occlusion forming extreme open bite, 21 mm in interincisal distance, as well as inability to close her jaw and lips. The lingual neoplasm was excised by the subtotal glossectomy about 6 months before coming to our department. After the precise cephalometric & model analysis with the special clinical consideration about the following growth, the rhombiod ostectomy in the mandibular body was modified with inferior triangular cut for better osseous coaptation. In reviewing this case the processes was summarized as follows and some points should be considered again. 1, Dingman`s 2 stage operation was thought to be more appropriate to this case; intra-oral indentation prior to extra-oral ostectomy in the mandibular body. 2 An acrylic resin splint embedding arch bar was of much value in fixation of fragments by circummandibular wiring and ijnt0rmaMary fixation. Pyriform aperture of the maxilla and root-completed 1st molars were d to get supplemental fixation. 3. After the orthognathic surgery the decompressed anterior teeth continued the eruption to get incisal contact in 6 months. 4. Post-operative swelling & numbness were disappeared in 2 weeks, and functional-esthetic improvement could be achieved without any noticeable complications. Therefore, even though such a mandibular disfigurement was occurred in a child, the surgical correction in the body should not be abandoned until the completion of the growth.