Department of Oral Implantology, Affiliated Stomatological Hospital of Fujian Medical University, Fuzhou, 350002, Fujian, China.
Department of Stomatology, Xiamen branch, Zhongshan hospital, Fudan university, Xiamen, 361000, Fujian, China.
BMC Oral Health. 2019 Dec 2;19(1):266. doi: 10.1186/s12903-019-0970-7.
The aim of the study was to compare the efficacy of the autogenous tooth bone and xenogenic bone grafted in immediate implant placement with bone defect.
Thirty patients whose compromised anterior teeth need immediate implant placement were enrolled. Autogenous tooth bone made from the extracted teeth by chair-side or the xenogenic bone were used to repaired bone defect. Clinical examination, radiographic assessment about the horizontal bone change in the level of 0 mm, 3 mm and 6 mm below the implant neck and the marginal bone loss were made immediately, 6 and 12 months after implant placement. Questionnaire of the feelings about the surgery were made at the time of removing the sutures.
All implants achieved the success criteria without any complications at the follow-up period. The percent of the horizontal bone change and the marginal bone loss at 6 and 12 months were almost the same between two groups (P > .05). The horizontal bone loss at the first or the latter 6 months was almost the same (P > .05). But the horizontal bone loss at the 6 mm level was less than the 0 mm and 3 mm levels at 6 and 12 months (P < .05). Meanwhile patients seem more satisfied with the autogenous tooth bone derived from the questionnaire.
The bone volume change in the facial part of the implant after immediate placement is almost the same between two groups. Providing clinical evidence that the autogenous tooth bone made from compromised tooth can be an acceptable bone graft material.
本研究旨在比较自体牙骨和异种骨在伴有骨缺损的即刻种植体植入中的疗效。
将 30 名因前牙缺损需即刻植入的患者纳入本研究。通过椅旁制取或使用异种骨来修复骨缺损。分别于即刻、植入后 6 个月和 12 个月进行临床检查、水平骨变化评估（在种植体颈部以下 0、3 和 6mm 处）和边缘骨吸收情况。在拆除缝线时对手术感受进行问卷调查。
所有植入物在随访期间均未出现任何并发症，达到成功标准。两组之间在植入后 6 个月和 12 个月时的水平骨变化百分比和边缘骨吸收几乎相同（P＞.05）。在第 1 或后 6 个月的水平骨丢失几乎相同（P＞.05）。但在 6 个月时，6mm 处的水平骨丢失小于 0mm 和 3mm 处（P＜.05）。同时，患者似乎对来自问卷调查的自体牙骨更为满意。
即刻植入后种植体面部骨量的变化在两组之间几乎相同。为使用受损牙制取的自体牙骨作为可接受的骨移植材料提供了临床证据。
