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외측연결형 임플란트 고정체의 경부 디자인이 임플란트 주위조직에 미치는 영향에 대한 전향적 예비 임상연구
배은빈(Eun-Bin Bae),이소현(So-Hyoun Lee),전영찬(Young-Chan Jeon),강은숙(Eun-Sook Kang),박상례(Sang-Rye Park),이진주(Jin-Ju Lee),허중보(Jung-Bo Huh) 대한치과의사협회 2017 대한치과의사협회지 Vol.55 No.11
This clinical study was conducted to evaluate the clinical effects of a concave neck of external connection type implant fixture designed for platform switching on the peri-implant tissue responses. Two types of implants with different neck designs were implanted in 20 patients. For the experimental group, the bioseal(BS) implant fixtures with ‘s’ shaped concave profile on the neck were used, and non-bioseal(NBS) implant fixtures with a straight profile on the neck were used as control(Total of 40 implants, NBS: n = 19, BS: n=21). During the one-year period after implant placement, implant survival rate, marginal bone resorption, bleeding, plaque, and complications were evaluated. The survival rate of NBS and BS group was 94.74% and 90.48%, respectively. There was no significant difference on marginal bone resorption, bleeding and plaque between the two groups (P>.05). Within the limits of the present study, implants with a concave neck design showed similar clinical results to implants with a straight neck design on the peri-implant tissue responses. Longitudinal clinical studies are necessary to confirm more effective clinical results.
배은빈(Eun-Bin BAE),나세웅(Se-Woong NA),한인우(In-Woo HAN),편용범(Yong-Beom PYEON),이경훈(Kyounghoon LEE) 전남대학교 어업기술연구소 2020 어업기술연구소보고지 Vol.13 No.1
Seaweed fulvescens (Capsosiphon fulvescens) is a High-Value-Added food that is highly likely to develop into various forms, such as drying and simple foods. However, the damage to fish farms caused by migratory birds that winter has increased, making it difficult to produce and supply stable. Therefore, in order to solve this problem, this study is to find the most effective sound source and distance to combat migratory birds by connecting sound reproducing device to stationary directional speaker and mobile directional speaker. The elimination effect of the difference in the output size of the two speakers in the same location is compared, analyzed, and a maritime experiment is conducted to suggest the most effective method for eradicating migratory birds.
나사풀림과 나사파절이 동반된 실패한 임플란트 고정성 보철물의 회복증례
배은빈(Eun-Bin Bae),신영근(Young-Gun Shin),전영찬(Young-Chan Jeon),정창모(Chang-Mo Jeong),윤미정(Mi-Jung Yun),이소현(So-Hyoun Lee),허중보(Jung-Bo Huh) 대한치과의사협회 2017 대한치과의사협회지 Vol.55 No.7
In the case of failed fixed implant prosthesis accompanied by abutment screw fracture, fractured screw fragment must be removed to use the existing implant fixtures. A 61-year-old male patient, who had a failed maxillary fixed implant prosthesis accompanied by three abutment screw fracture, hoped to reconstruct the maxillary implant prosthesis, while maintaining the existing implant fixtures. To use the existing implant fixtures, fractured screw fragments were removed. A maxillary implant overdenture using available existing implants was planned. Bar-attachment with Locator was used for implant splinting, denture stability, and retention. Final impression was taken after treatment of peri-implantitis. Jaw relation registration was taken to evaluate available interarch space for bar-attachment. After fabricating bar-attachment, centric relation was taken. Implant overdenture using bar-attachment with Locator was delivered after wax-denture evaluation. This case report showed that a satisfactory clinical result was achieved by implant overdenture using existing implant fixtures in a maxillary edentulous patient.
임플란트 피개의치를 위한 개별유지형 어태치먼트의 유지력에 관한 연구
송은주 ( Eun Ju Song ),배은빈 ( Eun Bin Bae ),최재원 ( Jae Won Choi ),배지현 ( Ji Hyeon Bae ),김지영 ( Ji Young Kim ),이소현 ( So Hyoun Lee ) 한국치위생과학회 2016 치위생과학회지 Vol.16 No.1
The purpose of this study was to compare the changes of retentive force in different stud attachment systems for implant retained overdenture. Two commercially available attachments with different retentive forces were investigated: Kerator (pink, blue, red) and O-ring (orange, red). Two implant fixtures were vertically embedded in base mountings. Five pairs of each attachment were evaluated. A universal testing machine was used to evaluate the retentive force of two attachments during wear simulation. Surface characteristics of each attachment system were evaluated with scanning electron microscopy. Five pairs of each attachment were evaluated. Kerator pink showed the highest initial retention. After 2,500 cycles of wear-simulation, Kerator pink noted the largest decrease in retention. According to results of surface analysis, Worn surfaces were obtained in matrices and patrices. Heavy wears were observed in matrices. After 2 year-wear simulation, most attachments exhibited retention loss. Attachments using different kind of material exhibited dissimilar surface alterations.
소수 잔존치를 가진 상악에 Bar와 Locator<SUP>®</SUP>를 이용한 임플란트 융합 국소의치 치료 증례
김성종(Seong-Jung Kim),배은빈(Eun-Bin Bae),전영찬(Young-Chan Jeon),정창모(Chang-Mo Jeong),윤미정(Mi-Jung Yun),이소현(So-Hyoun Lee),허중보(Jung-Bo Huh) 대한치과의사협회 2017 대한치과의사협회지 Vol.55 No.8
Treatment with removable partial denture is effective for partially edentulous patients who are unable to obtain sufficient retention and stability for functional and esthetic restoration. There are several cases reporting the improvement of retention and stability of the partial denture using a small number of implants. However, there are limited studies on the implant-assisted removable partial denture using a small number of remaining teeth and the bar locator system. The bar locator system has an advantage in that it could compensate the angle of insertion of removable prosthesis on implant with inconsistent placement angle due to anatomical constraints compared to when using the locator only. This case report describes the patient with Parkinson°Øs disease who was treated with the Locator bar system using two previously placed implants and two remaining teeth on maxilla. No additional implants could be placed because of the medical and economic condition of the patients, and the angle of one of two implants could not be matched with the direction of the removable partial denture insertion. Considering the angle of the implants, the patient was treated with implant-assisted RPD using the Locator bar system and had satisfactory results in the aspect of esthetics, masticatory function, and oral hygiene maintenance.
리튬 디실리케이트-지르코니아 이중도재관과 단일구조 지르코니아로 제작된 구치부 고정성 임플란트 지지 보철물의 전향적 임상연구: 24개월 추적관찰
노경우,전영찬,정창모,윤미정,허중보,이소현,양동석,배은빈,Roh, Kyoung-Woo,Jeon, Young-Chan,Jeong, Chang-Mo,Yun, Mi-Jung,Huh, Jung-Bo,Lee, So-Hyoun,Yang, Dong-Seok,Bae, Eun-Bin 대한치과보철학회 2019 대한치과보철학회지 Vol.57 No.2
목적: 본 연구에서는 리튬 디실리케이트-지르코니아 이중도재관과 단일구조 지르코니아로 제작된 구치부 고정성 임플란트 지지 보철물의 2년간의 임상적 결과를 비교하고자 하였다. 대상 및 방법: 2015년에서 2018년 사이 부산대학교 치과병원에 내원하여 치료받은 총 17명의 환자(남성: 12, 여성: 5)를 대상으로 60개의 구치부 고정성 임플란트 지지 보철물을 제작하였다(LP. Lithium disilicate pressed zirconia prostheses: n = 30, MZ. Monolithic zirconia prostheses: n = 30) 보철물 제작 후 2년간의 추적 관찰을 통해 임플란트 생존율, 변연골 흡수량, 치주낭 깊이, 치태지수, 출혈지수, 치석지수 및 합병증을 평가하였다. 결과: 모든 임플란트가 기능적 문제와 동요도 없이 100%의 생존율을 보였다. 변연골 흡수량은 관찰 12개월에 LP군이 MZ군 보다 더 적었으며 (P < .05), 임상 검사시 관찰 12개월의 치주낭 깊이 및 치석 지수는 LP군에서 더 높았다 (P < .05). 주된 합병증으로 MZ군에서 7개에서 1.5 mm 이상의 골흡수가 관찰되었으며, LP군에서 2개의 chipping이 관찰되었다. 결론: 본 연구의 한계 내에서, 구치부 임플란트 지지 보철물에서 리튬 디실리케이트가 프레스된 지르코니아 보철물은 단일구조 지르코니아 보철물과 함께 예지성 있는 치료방법으로 판단된다. Purpose: The purpose of this study was to compare the clinical outcomes of lithium disilicate ceramic pressed zirconia prostheses and monolithic zirconia prostheses and to investigate the complications after two years of follow-up in posterior edentulous site. Materials and methods: A total 17 patients (male: 12, female: 5) were treated with 60 posterior fixed implant-supported prostheses (LP. lithium disilicate ceramic pressed zirconia prostheses: n = 30, MZ. monolithic zirconia prostheses: n = 30). After 24-month, clinical examination of Implant survival rate, marginal bone resorption, probing depth, plaque index, bleeding index, calculus and complications were evaluated. Results: There were no failed implants and all implants were normal in function without mobility. Marginal bone resorption was lower in LP group than MZ group at 12-month (P < .05), and 12-month probing depth and calculus deposit in LP group were significantly higher than MZ group (P < .05). Most common complications in MZ were marginal bone resorptions more than 1.5.mm and 2 chipping occurred in LP group. Conclusion: Within the limitations of the present study, lithium disilicate ceramic pressed zirconia is considered as a predictable treatment option as much as monolithic zirconia in posterior fixed implant-supported prostheses.