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사선골절단술후 외측피질골 접합술에 의한 하악골과두골절 치험예
심광섭 한양대학교 의과대학 1990 한양의대 학술지 Vol.10 No.2
The operation for the reduction and fixation of mandibular condyle fracture is a formidable procedure frequently attended by unexpected complications because of the deep position of mandibular condyle, the proximity of the branches of the seventh nerve and the internal maxillary artery, and the strong action of teh external pterygoid muscle causing displacement. The author had treated a patient 28-year-old male, with right side mandibular condyle process fracture with severe opening limitation of mouth, masticational inability and malalignment of teeth at department of dentistry of Hanyang University Infirmary. For open reduction and fixation, the oblique osteotomy from sigmoid notch to angle at the affected mandible was performed firstly, and secondly the posterior part of ramus and fractured segment were removed carefully to outside of the body. After the fixation by the monocortical miniplate and screw of two detached fragments, the united bone was replanted at the original anatomic site. According to the operation of this method, the author found out short period of intermaxillary fixation, rapidly recovery of mastication function and low side effects due to intermaxillary fixation.
심광섭 大韓顎顔面成形再建外科學會 1996 Maxillofacial Plastic Reconstructive Surgery Vol.18 No.2
The odontogenic keratocyst(OKC) was used of term and described some of clinical, radiological and microscopic features by Philipsen 1956. The microscopic finding of OKC is characterized by the production of keratin, Which sometimes fills the lumen and thinning of epithelium of cyst. The most clinical importance of OKC is its extraordinary recurrence rate owing to the incomplete removal of the cyst wall. The final diagnosis of OKC should be evaluated by histologic findings and follow-up of any case of OKC with annual roentgenograms and clinical evaluations is essential for at least five years after surgery. This article is report of 2 cases of large OKC involved both molar portion and symphysis of mandible with facial asymmetry, severe bone destruction and paresthesia of lower lip on clinically, roentgenographically. By the postoperative findings the patients showed normal regeneration of bone defect area without recurrence signs by panorama films after surgery.
심광섭 성신여자대학교기초과학연구소 1999 基礎科學硏究誌 Vol.17 No.-
This paper proposes a new algorithm for bulding an inverted file for very large documents. The overall scheme of the proposed algorithm is based on the Fast Inversion Algorithm (FAST-INV).The proposed algorithm is quite different from FAST-INV in the way of splitting a document vector file (location information file) into several document vector load files (split location information file). An experiment showed that a 10 MB document was inverted in a minute.