Clinicostatistical Study on Orthognathic Surgery for 11 Years at Second Department of Oral and Maxillofacial Surgery, Osaka Dental University
| Autor: | Hidekazu Hayashi, Yasuhiro Nosaka, Hirokazu Yunoki, Masahiro Nakajima, Tatsuo Kawamoto, Kenji Kakudo, Noboru Hashimoto, Masayuki Tsunokuma, Hirohito Kubo, Syosuke Morita, Yuichi Onishi |
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| Rok vydání: | 1999 |
| Předmět: |
Orthodontics
business.industry medicine.medical_treatment Orthognathic surgery Dentistry Mean age Osteotomy Sagittal plane stomatognathic diseases Mandibular body osteotomy Mandibular prognathism medicine.anatomical_structure stomatognathic system Blood loss Oral and maxillofacial surgery Medicine business |
| Zdroj: | The Japanese Journal of Jaw Deformities. 9:51-56 |
| ISSN: | 1884-5045 0916-7048 |
| Popis: | Orthognathic surgery was performed on 362 patients from 1987 to 1997 at the Second Department of Oral and Maxillofacial Surgery, Osaka Dental University.The results were as follows: 1. The male-female ratio was 1: 2.4.2. The mean age was 22.4 years old.3. The diagnosis of mandibular prognathism was made for most of the patients (89.2%).4. Sagittal splitting ramus osteotomy (SSRO) was performed on 274 cases (75.7%).5. The mean time of operation for SSRO was 3hr. 7 min±57min, and for mandibular body osteotomy was 3hr. 15min±60.7min.6. The mean blood loss during operation for SSRO was 275.8±221.4ml and for mandibular body osteotomy was 171.8±147.5ml.7. Paresthesia of the lip and mental area was observed in 404 sides after opration. 80.7% of patients treated for SSRO recovered within a year.8. TMJ were examined in 202 cases for 1 year after SSRO. The symptom of TMJ was recognized in 5 cases. |
| Databáze: | OpenAIRE |
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