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예지성 있는 구치부 임플란트를 위한 임플란트의 수직적 깊이에 대한 고려 Implant Biologic width를 위한 Deep Implantation
윤우혁,Yun, Woo-Hyuk 대한심미치과학회 2019 Journal of the Korean Academy of Esthetic Dentistr Vol.28 No.1
예지성 있는 대구치부 임플란트을 위해서는 Crestal bone Stabliity를 위해 임플란트 주위에 biologic width라 할 수 있는 적절한 두께의 연조직이 필요하다. 그러기 위해선 기존에 우리가 적절하다고 혹은 어쩔 수 없는 한계라고 생각했던 깊이보다 좀 더 치조골 하방으로 깊이 심어야 하는 경우가 많은 것 같다. 이번 투고에서는 case report와 함께 관련된 surgical technique에 대해서 소개하면서 구치부 임플란트의 수직적 위치에 대해서 생각보고자 한다. For predictable posterior implants, appropriate soft tissue thickness, called the biologic width, is required around the implant for crestal bone stability. In order to do so, it seems that there are many cases where the implant should be positioned deeper than the depth that we previously thought was appropriate or inevitable limit. I would like to share my clinical experience about the vertical position of the posterior implant with the case reports and the related surgical technique.
박재영,김완수,윤우혁,김윤상,유형근,신형식,피성희,Park, Jae-Young,Kim, Wan-Su,Yun, Woo-Hyuk,Kim, Yun-Sang,You, Hyung-Keun,Shin, Hyung-Shik,Pi, Sung-Hee 대한치주과학회 2008 Journal of Periodontal & Implant Science Vol.38 No.2
Purpose: The treatment of gingival recessions is needed to reduce root sensitivity and improve esthetical satisfaction. Several surgical techniques have been proposed to achieve these goals. The use of connective tissue grafts has made esthetic root coverage a predictable procedure. Numerous clinical studies have represented that using connective tissue grafts to cover exposed root surface showed high success rates. This is a case report which demonstrates the technique to obtain root coverage of a buccal recession defect. Materials and Methods: A 35-year-old patient with a high level of oral hygiene was selected for the study. This patient had one Class I Miller recession defect in the mandible. A coronally advanced flap in combination with the connective tissue graft was chosen for the treatment. After surgery, the patient was told to visit the hospital once a week for his oral management and professional prophylaxis. The depth of initial recession was 4.0 mm. Result: After three months, it reduced to 0.0 mm, and the average recession reduction was 4.0 mm. The average root coverage was 100%. Conclusion: The connective tissue graft is both effective and predictable way to produce root coverage in increasing the width of CAL and KT of various adjacent gingival recessions.
급진성 치주염 환자에서 전신적 항생제 복용을 동반한 외과적 치주 치료 후 치주조직의 재생: 증례보고
임상진 ( Sang Jin Lim ),윤우혁 ( Woo Hyuk Yun ),피성희 ( Sung Hee Pi ),유형근 ( Hyung Keun You ) 조선대학교 구강생물학연구소 2011 Oral Biology Research (Oral Biol Res) Vol.35 No.2
The purpose of this study is to evaluate the feasibility of periodontal tissue regeneration in patients suffering from aggressive periodontitis who took systemic antibiotics as an adjunctive to periodontal treatment. Two patients with aggressive periodontitis were selected. Examination of clinical value and radiograph were performed. First, they took scaling and root-planing with systemic antibiotics. Appropriate surgical treatments were followed with selective alveolar bone graft. Patients visited regularly for postoperative clinical and radiographic evaluations. After periodontal treatment with an adjunctive antibiotics, improved clinical index such as increased clinical attachment level, decreased mobility and bleeding on probing were found in comparison with initial examination. Recovery of bone loss was observed in radiographic examination. This study suggests that periodontal treatment with systemic antibiotics is effective on prevention of disease and regeneration of periodontal tissue in patients with aggressive periodontitis.
한국 영아로부터 분리한 Enterococcus faecium의 구강 병원균에 대한 억제 효과
정은경,이종철,서정윤,김성윤,김완수,윤우혁,김윤상,피성희,유형근,신형식,Jeong, Eun-Gyeong,Lee, Jong-Cheol,Seo, Jung-Yoon,Kim, Seong-Yoon,Kim, Wan-Su,Yun, Woo-Hyuk,Kim, Yun-Sang,Pi, Sung-Hee,You, Hyung-Keun,Shin, Hyung-Shik 대한치주과학회 2008 Journal of Periodontal & Implant Science Vol.38 No.1
Purpose: The probiotic effects of lactic acid bacteria have widely been researched in diverse human pathogens, but only a few effects are reported against oral pathogens. The antimicrobial effects of the Enterococcus faecium 7413 isolated from Korean infants on the 9 pathogen including 6 oral streptococci were investigated the clinical use of the antimicrobial peptide for oral microflora control. Materials and Methods: E. faecium 7413 was identified by morphological, biochemical tests and 16S rDNA sequence analysis. Inhibitory effects of culture supernatants were determined for their ability to grow on agar plate containing pathogenic bacteria. Result: The culture supernatant of Enterococcus faecium 7413 showed inhibitory effects on oral pathogens, namely Streptococcus pyogenes KCTC 3556, S. pneumoniae KCTC 5080, S. mutans ATCC 25175, S. anginosus ATCC 33397, S. constellatus KCTC 3268, S. intermedius ATCC 27823 and Shigella flexneri KCTC 2008. Whereas it did not affect the multiplication of E. coli strains, KCTC 1041 and ATCC 43894. Conclusion: The data obtained in this study could be useful for future development of effective probiotics allowing prevention for oral pathogens.