Immediate loading하에서 치근형 임프란트 주위 변연골 흡수에 대한 연구

김성현; 한종현

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Immediate loading하에서 치근형 임프란트 주위 변연골 흡수에 대한 연구
A STUDY OF MARGINAL BONE RESORTION AROUND IMPLANTS AFTER IMMEDIATE LOADING

대한치과보철학회지 2001년 39권 4호 p.376 ~ 390

김성현, 한종현,

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김성현 ( Kim Sung-Hyen ) - 연세대학교 치과대학 치과보철학교실
한종현 ( Han Chong-Hyun ) - 연세대학교 치과대학 치과보철학교실

KMID : 0362420010390040376

Abstract

Alveolar bone changes after immediate loading on implants up to one year were observed by means of standard intraoral X-ray measurement which were taken at 3 month intervals. At the same time, bone density changes were observed according to digital subtraction method which is a becoming a more and more promising diagnostic tool for implants. Following results were obtained; 1.There was no significant difference in the amount of alveolar bone loss implant type, sex and implant diameter, but there was difference according to case selection: In fully bone anchored prostheses cases, bone loss was 1.16+/-0.15m whereas, in partial edentulous cases, it was 1.84+/-0.08mm. 2.Alveolar bone loss after immediate loading showed a higher degree of bone loss than after submerged loading in the initial three months. But there were no significant difference at the 12th month. 3.According to the one year bone density change observation at the alveolar bone surrounding the implant, significant change was observed vertically, whereas no significant change could observed horizontally. According to the above mentioned results, we can conclude that immediate loading of implants results in a higher degree of alveolar bone loss in one year than submerged loading. But since alveolar bone loss rate decreases to reasonable rate after the initial 3 months of rapid bone loss, immediate loading of implants seems to be an acceptable treatment modality for patients with good bone conditions. Fully bone anchored cases showed an favorable outcome, but partial edentulous cases showed more bony resorption. So this case considered in case selections. Bone density changes observation in the study was performed for only one year therefore a more longitudinal observation may be studied.