Abstract：
:A maxillofacial simulator can support education and training. In the present study, cutting, separation, and quantitative rearrangement of bone during orthognathic surgery were simulated by means of a haptic device with virtual tactile perception. Computed tomographic (CT) images of two patients with severe jaw deformity, one women and one man, were input into the device. In the woman, Le Fort I osteotomy of the maxilla and sagittal splitting ramus osteotomy of the mandible were initially simulated. During surgery with the haptic device, separation and rearrangement of the maxilla and the ramus of the mandible were initially processed. However, there was discrepancy and overlapping of the ramus with the mandible. Intraoral vertical osteotomy of the right ramus was then performed, with satisfactory results and less discrepancy and interference. The simulation was referred to at surgery, and satisfactory surgical assistance was postoperatively confirmed on CT images. The male patient had severe jaw deformity due to unequal growth between the ramuses, resulting in anterior crossbite. Sagittal splitting ramus osteotomy with rotation of the mandible was successfully simulated. Because of its versatility and functions, the present device was found to be useful for simulating various procedures for orthognathic surgery and thereby three-dimensionally determine surgical movements.
journal_name
Int J Oral Maxillofac Surgjournal_title
International journal of oral and maxillofacial surgeryauthors
Sohmura T,Hojo H,Nakajima M,Wakabayashi K,Nagao M,Iida S,Kitagawa T,Kogo M,Kojima T,Matsumura K,Nakamura T,Takahashi Jdoi
10.1016/j.ijom.2004.03.003subject
Has Abstractpub_date
2004-12-01 00:00:00pages
740-50issue
8eissn
0901-5027issn
1399-0020pii
S0901-5027(04)00095-5journal_volume
33pub_type
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journal_title：International journal of oral and maxillofacial surgery
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journal_title：International journal of oral and maxillofacial surgery
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journal_title：International journal of oral and maxillofacial surgery
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journal_title：International journal of oral and maxillofacial surgery
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journal_title：International journal of oral and maxillofacial surgery
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