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발치와에 즉시 식립한 쐐기형 임플란트의 생물학적 안정성에 관한 전향적 연구

The Biological Stability of Immediate Placement of Tapered Implants in Tooth Extraction Sites

김형섭|권용대|이백수|권긍록|배아란|박자영
대한턱관절교합학회 (Korean academy of stomatognathic function and occlusion)|2009.06|구강회복응용과학지 (Journal of Dental Rehabilitation and Applied Science)|제25권 제2호|pp. 139-155

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참고문헌

키워드

immediate implant placement즉시임플란트 식립원추형 임플란트초기 고정치조골 수준ISQ 지수tapered implanttranmucosal healingcrestal bone levelISQ value
주제분류치의학

초록

연구목적: 원추형(Superline) 임플란트를 발치와에 1회법으로 즉시 식립한 후 주변 조직의 생물학적 안정성을 관찰하는 것이다. 연구 방법: 치근부에 명백한 병적 소견이 있는 경우는 제외한 기타 치아의 발치와에 원추형 임플란트를 즉시 식립한다. 1회법을 식립한 후 임플란트 주변 연조직의 치유를 도모한다. 수술 후 32주에 획득한 표준화된 방사선상에서, 임플란트 주변골의 변화(depth of the distance from the implant shoulder (IS) and from the alveolar crest (AC) to the bottom of the defect (BD)) 등을 관찰했다. 결과 : 13명의 피검자 (남자 10명/ 여자 3명)를 선별하여 15개의 원추형 임플란트를 발치와에 즉시 식힙하였으며 모든 임플란트의 초기 고정은 양호했다. 평균 수술시간은 41 ± 10.0분이었다. 모든 임플란트 survival rate는 100% 였다. Mean ISQ values 는 상대적으로 안정했으며, 술 후 32주까지 계속 관찰에 , 임플란트 인접 치조골 감소량은 1.69 ± 1.2 mm (mesial), 1.65 ± 1.2 mm (distal) 로 나타났다. FMPS, FMBS, PPD와 각홫은의 폭의 유의한 변화는 없었다. 결론: 파절이나, 근관치료의 실패 등의 이유로 해서 치아를 발치할 경우 치근형(Superline) 임플란트를 발칭하에 1회법으로 즉시 식립하는 술식은 임상적으로 예지성있는 치료법으로 판단된다.

Abstract

Objective : To assess the biological stability of immediate transmucosal placement of tapered implants into tooth extraction sockets. Material and methods : Following tooth extraction, tapered implants were immediately placed into the sockets. Teeth with evidence of acute periapical pathology were excluded. After implant placement, sutured allowing a non-submerged, transmucosal healing. Standardized radiographs were obtained every visiting from baseline to 32 weeks after implant placment. Changes in depth of the distance from the implant shoulder (IS) and from the alveolar crest (AC) to the bottom of the defect (BD) were assessed. Results : Thirteen patients (10 males and 3 females) were enrolled and followed. They contributed with 15 tapered implants. extraction iste displayed sufficient residual bone volume to allow primary stability of all implants. The mean surgery time was 41 ± 10.0 mins. All implants healed uneventfully yielding a survival rate of 100%. Mean ISQ values were relatively stable. Interproximal crestal bone decreased 1.69 ± 1.2 mm (mesial), 1.65 ± 1.2 mm (distal) from baseline to 32-week follow-up. No statistically significant changes with respect to FMPS, FMBS, PPD and width of KG were observed. Conclusions: Immediate transmucosal implant placement represented a predictable treatment option for the replacement of teeth lost due to reasons including fractures, endodontic failures and caries.

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