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논문 기본 정보

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학술저널
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대한치주과학회 Journal of Periodontal & Implant Science Journal of Periodontal & Implant Science 제44권 제5호
발행연도
2014.1
수록면
216 - 221 (6page)

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Purpose: This retrospective study compares the amount of bone resorption around implantsbetween an autogenous tooth bone graft (AutoBT) and a synthetic bone graft after a boneaddedcrestally approached sinus lift with simultaneous implant placements. Methods: In all, 37 patients participated in this study. Seventeen patients were grouped asgroup I and underwent an AutoBT-added sinus lift using the crestal approach. The remaining20 patients were grouped as group II and underwent synthetic bone grafting. Both groupsreceived the implant placements simultaneously. Of the 37 participating patients, only 22patients were included in the final results: Eleven patients of group I and 11 patients ofgroup II. Before the surgery, the distance from the alveolar crest to the sinus floor was measuredusing panoramic radiography. After the surgery, the distance was measured again fromthe neck of the implant thread to the most superior border of the added graft materials. Then, the amount of sinus lift was calculated by comparing the two panoramic radiographs. After a year, a panoramic radiograph was taken to calculate the resorption of the bone graftmaterial from the radiograph that was taken after the surgery. The significance of the resorptionamount between the two types of graft materials was statistically analyzed. Results: The bone height was increased to an average of 4.89 mm in group I and 6.22 mm ingroup II. The analysis of panoramic radiographs 1 year after the surgery showed an averagebone resorption of 0.76 mm and 0.53 mm, respectively. However, the degree of lifting(P=0.460) and the amount of bone-grafted material resorption (P=0.570) showed no statisticallysignificant difference. Conclusions: Based on this limited study, AutoBT can be considered a good alternative bonegraft to a synthetic bone graft in a bone-added sinus lift, when extraction is necessary priorto the surgery.
#Bone substitutes #Demineralized dentin matrix #Dental implants #Osseointegration #Sinus floor augmentation.

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참고문헌 (23)

참고문헌 신청
Bae JH / 2010 / Sinus bone graft using new alloplastic bone graft material (Osteon)-II: clinical evaluation / ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY AND EN google schola Bessho K / 1990 / Purification of rabbit bone morphogenetic protein derived from bone, dentin, and wound tissue after tooth extraction / J Oral Maxillofac Surg 48 : 162 ~ 16 google schola Block MS / 1997 / Sinus augmentation for dental implants: the use of autogenous bone / J Oral Maxillofac Surg 55 : 1281 ~ 1286 google schola Buchmann R / 1999 / Peri-implant conditions in periodontally compromised patients following maxillary sinus augmentation: a long-term post-therapy trial / Clin Oral Implants google schola Jaffin RA / 1991 / The excessive loss of Branemark fixtures in type IV bone: a 5-year analysis / J Periodontol 62 : 2 ~ 4 google schola

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