발치와에 이식된 탈회동결건조골과 흡수성 수산화인회석이 신생골 형성에 미치는 영향

정숭룡,류선열 전남대학교 치과대학 1994 전남치대논문집 Vol.6 No.1

The present study was aimed to evaluate the effect of demineralized freeze-dried bone (DFDB) and resorbable hydroxyapatite (RHA) on bone formation in the extracted socket. The lower left and right 2nd and 3rd premolar were extracted in adult dogs. The one group was grafted with DFDB into the extracted socket, and the other group grafted with RHA. The extracted socket was sutured without any graft materials as control. The animals were killed on the 1st, 2nd, 4th, and 8th weeks after the graft for macroscopic and microscopic examination. Results obtained were as follows: 1. Macroscopically, nor infection of the graft site and dislodgement of the grafted material were noted in any animals used. 2. Young trabeculae of osteoid were formed in the socket wall in control group at 2 weeks after the graft. Osteoid tissue was formed in DFDB group at 1 week after graft, and a fine osteoid tissue was grown through the RHA particles in RHA group at 2 weeks after graft. 3. The grafted groups showed more rapid bone formation than the control. Between the grafted groups, DFDB group showed more rapid formation than RHA group, DFDB group showed osteoinductive bone formation and RHA group showed osteoconductive bone formation. These results suggest that DFDB and RHA are useful to preserve the alveolar bone and to improve new bone formation by immediate grafting into the extraction sokets.

단일치아 임프란트의 성공률에 관한 연구

정숭룡 대한치과이식학회 2003 대한치과이식학회지 Vol.22 No.1

악골에 발생한 악성 섬유성조직구종 2례

정종철,최홍란,오희균,박준아,류선열,이종호,김영운,정숭룡 大韓顎顔面成形再建外科學會 1995 Maxillofacial Plastic Reconstructive Surgery Vol.17 No.3

Malignant fibrous histiocytoma rarely occurs in the jaws. Although the histogenesis of this tumor remains controversal, it is best regarded as a primitive and pleomorphic nature reflected by collagen production and occasional phagocytosis. It is common for metastatic foci to appear in lung and regional lymph node. There are variable treatments such as radiotherapy, surgical excision or combination, therapy of surgical excision, chemotherapy and radiotherapy. With the review of literatures, the authors report the clinical study of two cases of malignant fibrous histiocytoma of the jaw.

치과용 임브란트 매식을 위한 견갑골외연의 형태학적 연구

이종호,정숭룡 大韓顎顔面成形再建外科學會 1995 Maxillofacial Plastic Reconstructive Surgery Vol.17 No.3

The scapular flap, described by dos Santos in 1986, has been used successfully for the reconstruction of a variety of defects of oro-mandible. Some have defined the gross and vascular anatomy of the lateral border of the scapula, yet useful anatomical information and a complete description of area and contour of each cut surface of lateral border of scapula, which is very important for esthetic and functional reconstruction using dental implants, are missing. These prompted us to clarify the cross-sectional area of lateral border of scapula. Twenty three scapulas of 15 fixed adult Caucasian cadavers were sectioned in every 1cm interval along the lateral border of scapular, and the metric relations and the shape of cut surface were assessed. The lateral border of the scapula, consisting of cortico-cancellous bone measuring 7.86±0.97mm in width, 19.6±2.86mm in height and 12±1.78cm in length, could be harvested as an osteocutaneous scapular flap or as a single vascularized bone flap. The mean thickness of cortical bone of lateral, medial, dorsal and costal surface was 0.46±1.48mm, 1.78±1.34mm, 1.54±1.11mm and 1.35±0.87mm, respectively. So we have thought that all scapular transplants could be supported osseointegrated implants for fixation of dental prosthesis.

발치와의 신생골 형성에 미치는 탈회동결건조골과 흡수성 수산화인회석의 영향

정숭룡,김선헌,류선열 大韓顎顔面成形再建外科學會 1995 Maxillofacial Plastic Reconstructive Surgery Vol.17 No.3

The present study was aimed to evaluate the effect of demineralized freeze-dried bone (DFDB) and resorbable hydroxyapatite (RHA) on bone formation in the extracted socket. The lower left and right 2nd and 3rd premolar were extracted in adult dogs. The one group was grafted with DFDB into the extracted socket, and the other group grafted with RHA. The extracted socket was sutured without any graft materials as control. The animals were killed on the 1st, 2nd, 4th, and 8th week after the graft for macroscopic and microscopic examination. Results obtained were as follows : 1. Macroscopically, nor infection of the graft site and dislodgement of the grafted material were noted in any animals used. 2. Young trabeculae of osteoid were formed in the socket wall in control group at 2 weeks after the graft. Osteoid tissue was formed in DFDB group at 1 week after graft, and a fine osteoid tissue was grown through the RHA particles in RHA group at 2 weeks graft. 3. The grafted groups showed more rapid bone formation tha n the control. Between the grafted groups, DFDB group showed more rapid formation than RHA group, DFDB group showed osteoinductive bone formation and RHA group showed osteoconductive bone formation. These results suggest that DFDB and RHA are useful to preserve the alveolar bone and to improve new bone formation by immediate grafting into the extraction sockets.

구개부에 발생한 다형성선종

정숭룡(Soong Rhyong Jung),김영운(Young Woon Kim),박준아(Jun Ah Park),정종철(Jong Cheol Cheong),오희균(Hee Kyun Oh),이종호(Jong Ho Lee),류선열(Sun Youl Ryu),최흥란(Hong Ran Choi) 대한구강악안면외과학회 1994 대한구강악안면외과학회지 Vol.20 No.4

Pleomorphic adenoma is a circumscribed tumor characterized microscopically by its pleomorphic or mixed apprearance, and its clearly recognizable epithelial tissue intermingled with areas of mucoid, mixed, or chondroid appearance. Pleomorphic adenoma, the most common tumor of the salivary glands, is now generally accepted as epithelial and benign adenoma, The palate is the most common location for minor salivary gland tumor. The neoplasm has been found in all age groups, the majority being in the fifth decade with an age ranged from 30 to 50. Minor salivary gland lesions appear a decade later, ranging in age from 40 to 60. We experienced three cases of pleomorphic adenoma occuring in the palate. They were treated with complete local exicision and reconstructed with pedicled temporal fascial, flap, pedicled buccal fat pad, and palatal islands flap each.

악하부에 발생한 결핵성 경부 임파선염

김영운,정숭룡,이승호,이종호,김창룡,박문성,류선열 大韓顎顔面成形再建外科學會 1995 Maxillofacial Plastic Reconstructive Surgery Vol.17 No.4

Tuberculosis, a chronic infectious granulomatous disease, is preumed to be quite a rare entity. Because of the development of chemotherapy and the improvement of nutritional conditions, incidence of tuberculosis have reduced. For these reasons, tuberculosis may be overlooked in the differential diagnosis whenever dealing with a submandibular swelling. Diagnosis of tuberculous lymphadenitis consists of historical data, physical findings, laboratory tests and histologic examination. The treatment of choice seems to be surgical excision and long term antituberculosis chemotherapy. Surgery provides a rapid tissue diagnosis, because the histological examination of the excisional biopsy is the most reliable diagnostic test. This is the report of a case of tuberculous cervical lymphadenitis on left submandibular area with no evidence of the involvement of lung.

안면부에 발생한 괴사성 근막염

김영운(Young Woon Kim),정숭룡(Soong Rhyong Jung),박준아(Jun A Park),정종철(Jong Cheul Jung),오희균(Hee Kyun Oh),이종호(Jong Ho Lee),류선열(Sung Youl Ryu) 대한구강악안면외과학회 1994 대한구강악안면외과학회지 Vol.20 No.4

Necrotizing fasciitis is a rapidly progressing necrotizing process which affects subcutaneous tissue and fascia and is accompanied by severe systemic toxicity. Although necrotizing fasciitis can affect any part of the body including the back and neck, it is rather a rare entity in the head and neck. The rate of spread is remarkably rapid, with the tendency towards systemic toxicity related to delayed initiation of treatment. The infection process may be caused by any type of trauma. The infectious process usually begins 2 to 4 days after the initial insult. The skin becomes smooth, tense, and shiny: no sharp demarcation is seen between normal and affected skin. As the disease progresses, the pathognomonic sign of necrotizing fasciitis appears: a dusky discoloration of the skin as small purplish patches with ill-defined borders. An early exploration and drainage of all the involved fascial planes is important. We have had much difficulty in differentiating necrotizing fasciitis from other infections diseases. When infection is present in the oral & maxillofacial area, we thin abscess and cellulitis first of all. With failure of the lesion to respond to conventional treatment, we have to rule out the necrotizing fasciitis due to its alarming toxicity. Successful treatment of necrotizing fasciitis is bases on the early recognition of the infection process, aggressive surgical intervention systemic medical and supportive therapy, and intensive antibiotic therapy, with emphasis placed on early surgical care. The early exploration and drainage of al the involved fascial planes is critical. We experienced two cases of necrotizing fasciitis of the face. With early recognition of the infection process, aggressive fasciotomy and various medically supported therapy, we resolved the edema and exudate with offering the best chance for core. The patient was treated successfully.

조직확장술을 이용한 두경부 연조직 재건

정종철,박준아,김영운,정숭룡,이종호,류선열,Jeong, Jong-Cheol,Park, Jun-Aa,Kim, Young-Woon,Jung, Soong-Rhyong,Lee, Jong-Ho,Ryu, Sun-Youl 대한악안면성형재건외과학회 1994 Maxillofacial Plastic Reconstructive Surgery Vol.16 No.3

Tissue expansion has now been widely used in various soft tissue defects and deformities. It is to reconstruct the lesion site by providing donor tissue of the same color, texture, and similar thickness and sensation with minimal scar formation and minor donor site morbidity. It is achieved through using a temporary expander capable of accumulating normal saline. Internal pressure from expander exerts its force on the flap, which gradually expands to provide additional tissue for reconstruction. We have applied tissue expander in three patients. The first case was soft tissue loss on the left forehead. The second case was multiple scar formation on the left mandibular angle and upper cervical area. The third case was scar contraction on the right cheek. All cases have been successfully reconstructed without complications. 저자들은 1예의 전두부 연조직 결손과 2예의 경부와 안면에 형성된 다발성의 반혼구축 환자에서 조직확장술올 이용하여 양호한 두경부의 연조직 재건을 얻을 수 있었다. 다양한 연조직의 결손이나 변형에서 적절한 증례를 선택하여 올바르게 적용할 경우 조직 확장술은 유용한 재건방법이 될 수 있을 것으로 생각된다.

혈관화 두개골 외층골피판을 이용한 두개안면부 재건

정주성,김기영,김창룡,박문성,정숭룡,유선열,이승호 大韓顎顔面成形再建外科學會 1996 Maxillofacial Plastic Reconstructive Surgery Vol.18 No.4

Vscularized calvarial bone flaps have been useful tools in the reconstuction of different type of bone defects in craniofacial surgery Vascularized bone transfer are often preferred to nonvascularized bone grafts because nonvascularized bone grafts are less resistant to infection, mot as mechanically strong, and do not survive well in a poorly vascularized bed. Potential advantages of vascularized outer table cavarial bone flap include proximity to the operative feild, membranous origin similar to that of the facial skeleton, maleability which allows for a variety of shapes and sizes, inconspicous donor sit scar. The following are the case reports of two patients who underwent craniofacial reconstruction suing vasularized outer table calvarial bone flap.