함치성 낭종에서 발생한 법랑아세포종: 증례보고

신재명,Shin, Jae-Myung 대한악안면성형재건외과학회 2008 Maxillofacial Plastic Reconstructive Surgery Vol.30 No.2

Much has been written about the possibility that the lining of a dentigerous cyst might undergo neoplastic transformation to an ameloblastoma which is defined as mural ameloblastoma. Mural ameloblastomas are estimated to constitute 5% of all ameloblastomas. 85% of the mural ameloblastomas were associated with dentigerous cyst, all of which were observed before the age of 30. The frequency of recurrence after simple enucleation of the cyst containing this lesion is considerably lower than that for ameloblastomas in general that are treated in a similar manner. Therefore, further and more extensive surgery is not required for mural ameloblastoma. We diagnosed a cystic appearance of a 17 year-old female as dentigerous cyst and undergone marsupialization. For 2 years of period, no significant change was observed and therefore enucleation was undergone and diagnosed as ameloblastoma. We report this case with a review of related literatures.

스마트폰과 RFID를 이용한 u-테마파크 모델의 설계 및 구현

신재명 ( Jae-myung Shin ),김두형 ( Doo-hyung Kim ),안홍범 ( Hongbum-ahn ),박상원 ( Sang-won Park ),홍진표 ( Jin-pyo Hong ) 한국정보처리학회 2010 한국정보처리학회 학술대회논문집 Vol.17 No.2

기존의 테마파크에 RFID를 이용하면 보다 편리하게 출입관리를 할 수 있고, 카드 한 장으로 테마파크 내에서 결제부터 부대시설과 서비스까지 이용할 수 있다. 이러한 모델은 이미 서브원 곤지암리조트 스키장과 캐리비언베이 워터파크 등 에서 도입하여 사용하고 있다[1][2]. 그러나 RFID를 이용한 유비쿼터스 모델들의 공통적인 단점은 RFID 카드 사용에 대한 피드백을 받을 수 없다는 것이다. 다시 말해서 RFID 카드에 대한 정보를 사용자는 모르기 때문에 자신이 RFID 카드로 무엇을 얼마나 결제했는지, 어떠한 서비스를 사용했는지 다시 확인할 수 없다는 문제점이 있다. 본 논문에서는 이러한 기존의 시스템에 스마트폰을 이용하여 사용자와 테마파크를 유기적으로 연결시켜줌으로써, 스마트폰을 통해 자신의 결제정보, 서비스 이용내역 등을 실시간으로 확인 가능할 수 있는 u-테마파크 모델을 제시한다. u-테마파크 모델을 이용하면 스마트폰을 통해 부대시설(놀이공원의 놀이기구, 스키장의 리프트 등)의 대기시간을 실시간으로 확인할 수 있고, RFID 카드를 소지한 일행의 위치를 찾을 수 있으며, 테마파크의 모든 이용객들과 정보를 교환할 수 있는 SNS(Social Network Service)등의 새로운 서비스를 제공할 수 있다. 테마파크 측에서는 실시간으로 취합되는 고객정보를 이용하여 이용률이 떨어지는 고객들의 특징을 파악해 해당 고객들에게 맞는 서비스를 제공하고 맞춤 마케팅을 하는 등의 체계적인 관리를 할 수 있어 다양한 마케팅과 새로운 서비스 제공이 가능하다는 이점이 있다.

임상에서 흔히 만날 수 있는 전신 질환에 대한 이해

신재명(Jae-Myung Shin) 대한치과의사협회 2010 대한치과의사협회지 Vol.48 No.1

The fundamental goal of dental treatment is rehabilitation of oral health thus various dental treatment are done. Most of the dental procedures are not life threatening but patients who are medically compromised are exceptional. Fortunately systemic disease can be easily diagnosed by medical insurance(medicare) or annual medical check examination in Korea. Diseases which were fatal at the past are successfully treated nowadays and consequently the population of the elder increases. As the population of elder increases, patients who need medical care as well as dental patient with compromised medical condition increases. It is essential to find out if the patient has any systemic disease. Consultant to the appropriated physician of medically compromised patients? is demanded and also for a successful dental treatment, deep knowledge of the systemic disease is necessary.

완화 홈이 가공된 액슬구동축의 응력집중 및 피로수명 평가

신재명(Jae-Myung Shin),한승호(Seung-Ho Han),한동섭(Dong-Sub Han) 한국기계가공학회 2012 한국기계가공학회지 Vol.11 No.1

An axle drive shaft with double joint shaft, cross kit and yoke has an important role by transferring power and changing steering angle between axle and wheel in power train system. It has been used widely in the heavy machinery requiring a high reliability in the power train system. At fatigue failures of the axle drive shaft with the long span, a relatively high stress concentration at a snap ring groove on the drive shaft brings to significant fatigue damages under repeated loading condition. As Peterson’s suggestions on this study, a relief groove in the vicinity of the snap ring groove is applied by decreasing the stress concentration and improving the fatigue life of axle drive shaft. By using FEM analysis, the decreasing effect of the stress concentration and extended fatigue life are due to the change of design parameters related with size and location of the relief groove. The relief groove with the design parameters such as d/b=2.0 and r/h=1.2 enables to decrease the stress concentration of 22.3% and increase the fatigue life more than 3 times by comparing with no relief groove application.

구개부에 발생한 점액표피양 암종의 치험례

배정호,윤규호,박관수,정정권,신재명,홍성철,Bae, Jung-Ho,Yoon, Kyu-Ho,Park, Kwan-Soo,Cheong, Jeong-Kwon,Shin, Jae-Myung,Hong, Sung-Chul 대한악안면성형재건외과학회 2006 Maxillofacial Plastic Reconstructive Surgery Vol.28 No.2

Mucoepidermoid carcinoma is one of the most common malignant salivary gland neoplasm. It occurs over a wide age range, and is most common in the parotid gland and usually appears as an asymptomatic swelling. Pain or facial nerve palsy may develop. Minor salivary gland tumors also typically appear as asymptomatic swellings, which are sometimes fluctuant and have blue or red color that can be mistaken clinically for a mucocele. Histopathologically the mucoepidermoid carcinoma is composed of a mixture of mucous-producing cells and squamous (epidermoid) cells. Low-grade tumors show prominent cyst formation, minimal cellular atypia, and relatively high proportion of mucous cells. Mucoepidermoid carcinoma of the minor salivary glands are treated usually by assured surgical excision. For low-grade neoplasm, only a modest margin of surrounding normal tissue may need to be removed, but high-grade or large tumors warrant wider resection. Postoperative radiation therapy also may be used for more aggressive tumors. Mucoepidermoid carcinoma of the oral minor salivary glands generally have a good prognosis, because they are mostly low-to intermediate grade tumors. We present a case of mucoepidermoid carcinoma managed with surgical enucleation and postoperative irradiation and a good clinical result with review of literatures.

구개부에 발생한 점액표피양 암종의 치험례

배정호,윤규호,박관수,정정권,신재명,홍성철,Bae, Jung-Ho,Yoon, Kyu-Ho,Park, Kwan-Soo,Cheong, Jeong-Kwon,Shin, Jae-Myung,Hong, Sung-Chul 대한악안면성형재건외과학회 2006 Maxillofacial Plastic Reconstructive Surgery Vol.28 No.1

Mucoepidermoid carcinoma is one of the most common malignant salivary gland neoplasm. It occurs over a wide age range, and is most common in the parotid gland and usually appears as an asymptomatic swelling. Pain or facial nerve palsy may develop. Minor salivary gland tumors also typically appear as asymptomatic swellings, which are sometimes fluctuant and have blue or red color that can be mistaken clinically for a mucocele. Histopathologically the mucoepidermoid carcinoma is composed of a mixture of mucous-producing cells and squamous (epidermoid) cells. Low-grade tumors show prominent cyst formation, minimal cellular atypia, and relatively high proportion of mucous cells. Mucoepidermoid carcinoma of the minor salivary glands are treated usually by assured surgical excision. For low-grade neoplasm, only a modest margin of surrounding normal tissue may need to be removed, but high-grade or large tumors warrant wider resection. Postoperative radiation therapy also may be used for more aggressive tumors. Mucoepidermoid carcinoma of the oral minor salivary glands generally have a good prognosis, because they are mostly low-to intermediate grade tumors. We present a case of mucoepidermoid carcinoma managed with surgical enucleation and postoperative irradiation and a good clinical result with review of literatures.

$ITI^{(R)}$ implant system에 있어서 $Bio-Oss^{(R)}$와 $Bio-Gide^{(R)}$를 이용한 발치 후 즉시 임플란트의 유용성

박관수,윤규호,정정권,신재명,홍성철,전인성,Park, Kwan-Soo,Yoon, Kyu-Ho,Cheong, Jeong-Kwon,Shin, Jae-Myung,Hong, Sung-Chul,Jeon, In-Seong 대한악안면성형재건외과학회 2006 Maxillofacial Plastic Reconstructive Surgery Vol.28 No.1

In the recent studies, many authors have reported that the success rate of immediate implantation has no difference compared to conventional staged implantation. Although the immediate implantation has many advantages over conventional approach, many clinicians don't seem to practice because they think that most of the extraction sockets will have some bony gab with defects around implant and that this situation makes the result of immediate implantation unpredictable. We clinically analyzed 23 implanted sites of 18 patients treated with immediate implantation in our hospital from September 2003 to January 2004. The $ITI^{(R)}$. dental implant system was used and GBR procedure with $Bio-Oss^{(R)}$. and $Bio-Gide^{(R)}$. was done simultaneously. The pre & post-op. measurements were recorded such as alveolar crest-adjacent tooth CEJ distance, gingival crest-adjacent tooth CEJ distance, existence of periapical lesion, vertical defect around the extraction socket, horizontal defect around the extraction socket, probing depth, radiologic change of alveolar crest height. We report a positive outcome about immediate implantation with review of literatures.

매복과잉치 및 영구치 동시 발거 후 임플란트의 즉시 식립 증례

권준,윤규호,박관수,정정권,신재명,최민혜,나혜정,Kwon, Jun,Yoon, Kyu-Ho,Park, Kwan-Soo,Cheong, Jeong-Kwon,Shin, Jae-Myung,Choi, Min-Hye,Na, Hye-Jung 대한악안면성형재건외과학회 2009 Maxillofacial Plastic Reconstructive Surgery Vol.31 No.4

Supernumerary teeth are extra teeth or tooth-like structures which may have either erupted or unerupted in addition to the 20 deciduous teeth and the 32 permanent teeth. Clinicians sometimes confront unerupted supernumerary teeth where implants would be placed. Many clinicians consider immediate placement of implant into an extracted socket as an effective technique compared to the conventional method of waiting several months for bone healing, because of the advantages such as reduction of treatment period, preservation of alveolar bone and soft tissue, etc. We could hardly find the case of immediate placement of implant after extraction of impacted supernumerary teeth and permanent teeth together. Therefore we report the case of immediate implantation following extraction of impacted supernumerary teeth and poor periodontal conditioned permanent teeth.

[ $ITI^{(R)}$ ] implant system에 있어서 $Bio-Oss^{(R)}$와 $Bio-Gide^{(R)}$를 이용한 발치 후 즉시 임플란트의 유용성

박관수,윤규호,정정권,신재명,홍성철,전인성,Park, Kwan-Soo,Yoon, Kyu-Ho,Cheong, Jeong-Kwon,Shin, Jae-Myung,Hong, Sung-Chul,Jeon, In-Seong 대한악안면성형재건외과학회 2006 Maxillofacial Plastic Reconstructive Surgery Vol.28 No.2

In the recent studies, many authors have reported that the success rate of immediate implantation has no difference compared to conventional staged implantation. Although the immediate implantation has many advantages over conventional approach, many clinicians don't seem to practice because they think that most of the extraction sockets will have some bony gab with defects around implant and that this situation makes the result of immediate implantation unpredictable. We clinically analyzed 23 implanted sites of 18 patients treated with immediate implantation in our hospital from September 2003 to January 2004. The $ITI^{(R)}$ dental implant system was used and GBR procedure with $Bio-Oss^{(R)}$ and $Bio-Gide^{(R)}$ was done simultaneously. The pre & post-op. measurements were recorded such as alveolar crest-adjacent tooth CEJ distance, gingival crest-adjacent tooth CEJ distance, existence of periapical lesion, vertical defect around the extraction socket, horizontal defect around the extraction socket, probing depth, radiologic change of alveolar crest height. We report a positive outcome about immediate implantation with review of literatures.

상계백병원 응급실에 내원한 구강악안면외과 응급환자에 대한 임상적 연구

백지선,윤규호,박관수,정정권,신재명,최민혜,권준,Baik, Jee-Seon,Yoon, Kyu-Ho,Park, Kwan-Soo,Cheong, Jeong-Kwon,Shin, Jae-Myung,Choi, Min-Hye,Kwon, Jun 대한악안면성형재건외과학회 2008 Maxillofacial Plastic Reconstructive Surgery Vol.30 No.6

This is a retrospective clinical study on 2,955 patients who had visited the Emergency Room of Sang-gye Paik Hospital and then been treated in the Department of Oral and Maxillofacial Surgery during recent 4 years from Aug. 2002 to Dec. 2006. The obtained results were as follows. The total number of patients was 2,955 and the ratio of male to female was 1.72:1. The age distribution peak was the 1st decade (30.8%), followed by the 3rd decade (14.3%) and the 4th decade (14.0%). Trauma (62.3%) was the most frequent cause in dental emergency patients, pulpitis (13.0%) and infection patients were next in order of frequency. In trauma patients group, facial bone injury, tooth injury, soft tissue injury were included and soft tissue injury group was most prevalent, followed by tooth injury group and facial bone group. In total patient, the ratio of admission was 3.5%. We obtained the results of the distribution of primary emergency care in the traumatic injury, causal distribution of the jaw fracture, distribution of related medical department in multiple associated injuries, distribution of emergency care in infection, causal distribution and control methods of oral bleeding, distribution of TMJ disorder. The trauma patient group was major in the dental patients who had visited the emergency room, but other various groups were included. So we should analyze the pattern and the variation of the dental emergent patient to provide the proper treatment.