拔牙窝内植入不同深度骨水平种植体周围软硬组织改建的组织形态变化

doi:10.19438/j.cjoms.2021.03.001

中国口腔颌面外科杂志 ›› 2021, Vol. 19 ›› Issue (3): 193-196.doi: 10.19438/j.cjoms.2021.03.001

拔牙窝内植入不同深度骨水平种植体周围软硬组织改建的组织形态变化

张楚南^1#, 赵旭^2#, 乔士冲¹, 张晓梦¹, 顾迎新¹

1.上海交通大学医学院附属第九人民医院口腔种植科,上海交通大学口腔医学院,国家口腔医学中心, 国家口腔疾病临床医学研究中心,上海市口腔医学重点实验室,上海 200011;
2.北京大学口腔医院第一门诊部,北京 100034

收稿日期:2020-11-20 修回日期:2021-01-20 发布日期:2021-07-16
通讯作者: 顾迎新,E-mail: yingxingu@163.com
作者简介:张楚南（1989-）,女,博士,主治医师,E-mail: zcn1114@163.com;赵旭（1985-）,男,博士,主治医师,E-mail: zhaoxu_@hotmail.com。^#并列第一作者
基金资助:
国家自然科学基金（81771116）; 上海交通大学医学院第九人民医院生物样本库项目（YBKA201906）

Hard and soft tissue alterations around bone-level implants with different depths in fresh extraction sockets: a histomorphometric study

ZHANG Chu-nan¹, ZHAO Xu², QIAO Shi-chong¹, ZHANG Xiao-meng¹, GU Ying-xin¹

1. Department of Implant Dentistry, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology. Shanghai 200011;
2. First Division, Peking University Hospital of Stomatology. Beijing 100034, China

Received:2020-11-20 Revised:2021-01-20 Published:2021-07-16

摘要/Abstract

摘要： 目的比较新鲜拔牙窝内植入不同深度种植体后软、硬组织的变化。方法 6只成年拉布拉多犬的双侧前磨牙拔除后,立即将24颗种植体以不同深度植入拔牙窝内。将Straumann^®骨水平种植体按以下不同深度植入拔牙窝—颊侧牙槽嵴下2 mm,颊侧牙槽嵴下1 mm,与牙槽嵴齐平,以及颊侧牙槽嵴上方1 mm。愈合6个月后采集样本,获得未脱钙切片,进行组织学观察、测量,获得垂直骨吸收和生物学宽度。采用SPSS 19.0软件包对数据进行统计学分析。结果所有种植体均获得成功骨结合。骨吸收以种植体植入牙槽嵴下2 mm处最显著（P<0.05）。以不同深度植入时,生物学宽度无显著差别。结论在新鲜拔牙窝内植入种植体时,不同植入深度对骨吸收有影响。当植入深度为骨下2 mm时,骨吸收最多。

关键词: 牙槽骨改建, 动物模型, 牙种植体, 即刻种植, 植入深度

Abstract: PURPOSE: To investigate the alterations of soft and hard tissue around implants with different insertion depth. METHODS: Bilateral premolars of 6 adult Labrador dogs were extracted and 24 implants were immediately placed into the extraction sockets with various insertion depths. Straumann^® Bone Level (BL) implants were positioned at 4 levels: 2 mm below, 1 mm below, flush with, and 1 mm above the alveolar crest. Six months after implant placement, all animals were sacrificed to obtain undecalcified block sections for histological analysis. Vertical bone loss and biologic width were recorded. SPSS 19.0 software package was used for data analysis. RESULTS: All implants osseointegrated uneventfully. The most significant bone resorption was observed when implants were inserted 2 mm below the buccal wall of the sockets(P<0.05). No significant difference in biologic widths was found. CONCLUSIONS: The insertion depths appeared to have influence on bone remodeling around implants in fresh extraction sockets. More pronounced vertical bone resorption was observed when implants were inserted 2 mm below the buccal alveolar ridge.

Key words: Alveolar bone remodeling, Animal model, Dental implant, Immediate placement, Insertion depth

中图分类号:

R782.1

张楚南, 赵旭, 乔士冲, 张晓梦, 顾迎新. 拔牙窝内植入不同深度骨水平种植体周围软硬组织改建的组织形态变化[J]. 中国口腔颌面外科杂志, 2021, 19(3): 193-196.

ZHANG Chu-nan, ZHAO Xu, QIAO Shi-chong, ZHANG Xiao-meng, GU Ying-xin. Hard and soft tissue alterations around bone-level implants with different depths in fresh extraction sockets: a histomorphometric study[J]. China J Oral Maxillofac Surg, 2021, 19(3): 193-196.

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拔牙窝内植入不同深度骨水平种植体周围软硬组织改建的组织形态变化

Hard and soft tissue alterations around bone-level implants with different depths in fresh extraction sockets: a histomorphometric study

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