外置型空间稳定装置对植骨区域的成骨影响

doi:10.13591/j.cnki.kqyx.2023.03.008

摘要/Abstract

摘要：

目的研究一种外置型空间稳定装置对植骨区域的成骨影响。方法选取上颌前牙缺失伴牙槽嵴唇侧骨缺损的患者,随机分为两组。试验组在植骨术后戴入外置型空间稳定装置,对照组无佩戴。通过测量分析术前、术后即刻及术后6个月时的CBCT数据,对比在采用或不采用外置型空间稳定装置的情况下,在植骨术后6个月的成骨情况。结果最终入选并观测17个植骨位点,其中试验组7个位点,对照组10个位点。试验组在嵴顶下2 mm和4 mm处的水平骨吸收率显著低于对照组相应观测水平处的水平骨吸收率(P=0.001)。各组牙槽嵴顶下2 mm处的水平骨吸收率均显著高于相应组别中嵴顶下4 mm处的骨吸收率(P=0.003)。结论本研究所使用的外置型空间稳定装置对于维持空间稳定、减少骨吸收具有较好的临床效果。

关键词: 空间稳定, 成骨, GBR, 种植

Abstract:

Objective To study the effect of a space stabilizing device on the capacity for osteogenesis in the bone-grafted area. Methods Patients with anterior teeth defects as well as labial alveolar ridge defects were randomly divided into two groups: the experimental group was treated using a space stabilization device after guided bone regeneration whereas the control group received regular guided bone regeneration. The CBCT data was analyzed prior to, immediately and 6 months after procedure to compare the osteogenesis with or without the device. Results Seventeen bone-grafted sites were examined(7 in the experimental group and 10 in the control group). At 2 mm and 4 mm below the alveolar ridge, the horizontal bone resorption rate in the experimental group was significantly lower than the corresponding level in the control group(P=0.001). The horizontal bone resorption rate at 2 mm below the alveolar ridge of each group was significantly higher than that at 4 mm below the alveolar ridge in corresponding groups(P=0.003). Conclusion The space stabilizing device used in this study has a positive clinical impact on preserving space stability and minimizing bone resorption.

Key words: space stabilizing, osteogenesis, GBR, implant

中图分类号:

R783.4

苏恩典, 陈苏林, 郭建斌, 黄文秀, 吴东. 外置型空间稳定装置对植骨区域的成骨影响[J]. 口腔医学, 2023, 43(3): 233-236.

SU Endian, CHEN Sulin, GUO Jianbin, HUANG Wenxiu, WU Dong. Effect of a space stabilizing device on the capacity for osteogenesis in the bone-grafted area[J]. Stomatology, 2023, 43(3): 233-236.

图/表 2

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组别	观测水平	6个月骨增量/mm	骨吸收量 /mm	骨吸收率/(%)
试验组	嵴顶下2 mm	3.09±1.71	1.80±0.50	43.2±23.0
	嵴顶下4 mm	3.46±1.29	1.24±0.41	27.5±10.1
对照组	嵴顶下2 mm	1.56±1.16	2.21±0.73	63.3±14.4
	嵴顶下4 mm	2.44±1.33	1.75±0.32	45.0±12.0