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A CLINICOSTATISTICAL STUDY OF NON-ODONTOGENIC CYSTS : THE EXPERIENCE OVER 10 YEARS
김수관(Su Gwan Kim),여환호(Hwan Ho Yeo),정종훈(Jong Hown Jeong) 대한구강악안면외과학회 1999 대한구강악안면외과학회지 Vol.25 No.1
본 연구는 1987년 1월부터 1997년 9월까지 본과에 내원하여 조직검사 시행결과 비치성낭종으로 진단된 90명의 환자에서 각 비치성낭종의 연령분포, 성별비, 발생분포, 임상증상, 치료법을 조사하여 다음과 같은 결과를 얻었다. 1. 비치성낭종 환자의 빈도는 총 402명의 낭종환자중 90명 (22.4%)으로 나타났다. 2. 총 비치성낭종 환자의 연령분포는 7-77세이고, 평균연령은 36세였다. 3. 가장 흔한 증상은 무통성의 종창 (62.2%)이었다. 4. 호발부위는 하순 (17.8%), 협점막 (15.6%), 상악동 (15.6%)의 순이었다. 5. 모든 치료는 외과적 절제술을 시행하였다.
정종훈,김수관,허영철 朝鮮大學校 口腔生物學硏究所 1997 口腔生物學硏究 Vol.21 No.2
The Pain is the sensitive and unpresent experience that express the potential tissue injury and, the defence mechanism that warns physiologic disturbance in individuals. There are the method that decrease or releave the pain. including removal of the factor that cause the pain, restrain transferation of impulse, and restrain factor that stimulus the pain. We use the drug theraphy that contain Analgesics, Spasmolytic agents, Vasodilatation agents, Anti-inflammatory agents, and sedative drug. The Pain Control is described with literature review. In severely atrophic or osteoporotic maxilla and mandibles, the location of maxillary sinus and inferior alveolar nerve may vary considerably, both superoinferiorly and mesiolaterally.
정종훈,여환호,김수관,이준길,조경안 朝鮮大學校 口腔生物學硏究所 1999 Oral Biology Research (Oral Biol Res) Vol.23 No.2
Platelet-rich plasma is an autologous source of platelet-derived growth factor and transforming growth factor beta that is obtained by sequestering and concentrating platelets by gradient density centrifugation. This technique produced a concentration of human platelets of about 338% and identified platelet-derived growth factor and transforming growth factor beta within them. The additional amounts of these growth factors obtained by adding platelet-rich plasma to grafts evidenced increased radiographic maturation rate that of grafts without platelet-rich plasma. We have used platelet-rich plasma for bone garft, especially allobone graft, at implant surgery and sinus lift procedure. About 2 months after implantation & sinus lift procedure, panoramic view was taken an evaluated radiopacity that was one of method for bone formation. Relatively good bone formation was seen. We introduce new method of clinical using platelet-rich plasma for bone garft.
하악지 시상분할술이 수술후 연조직 변화에 미치는 영향에 관한 연구
정종훈,김수관,권병곤,강태호,이준길,조경안,여환호 朝鮮大學校 口腔生物學硏究所 1999 口腔生物學硏究 Vol.23 No.2
The study investigated the effect of sagittal split ramus osteotomy on soft tissue changes. Ten patients, 6 males and 4 females, were treated with mandibular prognathism at the Depatrment of Oral and Maxillofacial Surgery, college of Dentistry, Chosun University. Patients were measured before surgery, and between 3 months and 6 months after surgery. Comparsions were made to estimate the ratio of soft and hard tissue change after surgery. The results were as follows. 1. The horizontal change of Pogs/Pog, Bs/B, Li/LI, and Ls/LI were 0.88, 0.95, 0.99, and 0.31, respectively. 2. The ratio of Li to Pog was 0.93 : 1 and Ls to Pog was 0.37 : 1. 3. The ratio of Li to LI was 0.99 : 1 and the ratio of Ls to LI was 0.31 : 1. 4. The ratio of the lower anterior facial height changes of the soft tissue (Sn-Mes) to the hard tissue was 1.1 : 1. 5. The ratio of the postoperative soft tissue angular change of facial convexity to the hard tissue angular change of facial convexity was 0.9 : 1.
여환호,박주철,정종훈,강태호 大韓顎顔面成形再建外科學會 1999 Maxillofacial Plastic Reconstructive Surgery Vol.21 No.4
To evaluate the efficacy of antibiotic administration in the impacted mandibular third molar extraction the author investigated 107 patients requiring extraction of the lower third molar who visited at the Department of oral and maxillofacial Surgery. Chosun Dental Hospital and were healthy without medical problems and had no signs and symptoms of infection around the lower third molar. The patients were divided into 4 groups according to the method of antibiotics administration : 13 patients without antibiotics administration(group 1), 30 patients with only intravenous injection of Cefazoline 2.0g 30 minutes before the procedure(group 2), 39 patients with intravenous injection of Cefazoline 2.0g 30 minutes before the procedure and oral administration of follow-up dosages of Augmentin for 1 day(group 3), and 25 aptients with intravenous injection of Cefazoline 2.0g 30 minutes before the procedure and oral administration of follow-up disages of Augmentin for 3 day(group 4). Infection rates after extraction wer calculated and compared according to gender, the age of the patients, the level of impaction, and also compared between four groups. The results were as follows. 1. The overall infection rate was 8.4%. 2. The infection rate was higher in male(11.9%) than in female(4.2%), but there were statistically no significant differences between them. 3. Infection rate was lower in patients under age 30(7.2%) than in patients over age 30(12.5%), but there were statistically no significant between them. 4. Infection rate was higher in patients with complete bony impacted tooth(11.1%) than in patients with partial bony impacted tooth(6.5%), but there were statistically no significant differences between them. 5. Infection rate was 7.7% in group 1, 10.0% in group 2, 10.3% in group 3, 4.0% ingroup 4 and there were statistically no significant differences between groups. In summary, it is more important to extract the impacted lower third molar under aseptic condition and to minimize the injury of tissue if possible than to administer the preventive antibiotics in reducing the infection rate in healthy patients without medical problems who had no signs and symptoms of infection around the lower third molar.