上颌单颗前牙位点保存后邻面牙槽嵴高度的早期变化

doi:10.7518/hxkq.2019.04.010

华西口腔医学杂志 ›› 2019, Vol. 37 ›› Issue (4): 394-397.doi: 10.7518/hxkq.2019.04.010

上颌单颗前牙位点保存后邻面牙槽嵴高度的早期变化

蒋瑷¹(),张强¹,罗纬¹,李亮²

1.南方医科大学附属深圳市妇幼保健院口腔疾病防治中心,深圳 518048
2.深圳市倍康美医疗电子商务有限公司数字种植部,深圳 518042

收稿日期:2018-12-21 修回日期:2019-02-19 出版日期:2019-08-01 发布日期:2019-08-23
通讯作者: 蒋瑷 E-mail:jiang.ai163@163.com
作者简介:蒋瑷,副主任医师,硕士,E-mail：jiang.ai163@163.com
基金资助:
深圳市科技计划项目(JCYJ20150402090413009)

Early changes of interproximal ridge height with alveolar ridge preservation of maxillary single anterior teeth

Ai Jiang¹(),Qiang Zhang¹,Wei Luo¹,Liang Li²

1.Stomatology Health Care Center, Shenzhen Maternity and Child Healthcare Hospital, Southern Medical University, Shenzhen 518048, China
2.Dept. of Digital Implant, Shenzhen Becoming Medical E-Commerce Co., LTD, Shenzhen 518042, China

Received:2018-12-21 Revised:2019-02-19 Online:2019-08-01 Published:2019-08-23
Contact: Ai Jiang E-mail:jiang.ai163@163.com
Supported by:
Shenzhen Science and Technology Planning Project(JCYJ20150402090413009)

摘要/Abstract

摘要：

目的探讨位点保存术对上颌单颗前牙拔除后邻面牙槽嵴高度早期变化的影响,为种植修复龈乳头美学效果提供参考依据。方法选择需拔除上颌单颗前牙的30例患者为研究对象,将其随机分为试验组和对照组,每组15例。试验组在拔牙同时进行位点保存术（牙槽窝内植入 Bio-Oss骨粉,表面游离龈移植缝合固定）,对照组拔牙后未行其他处理。术后7 d及术后6个月,佩戴个性化数字化放射导板行锥形束CT检查,测量2组近远中邻面牙槽嵴及唇侧中央牙槽嵴高度的变化。结果试验组近中、远中邻面及唇侧中点的牙槽嵴吸收高度分别为（0.358±0.151）mm、（0.322±0.180）mm、（0.826±0.307）mm,对照组近远中邻面及唇侧中点的牙槽嵴吸收高度分别为（0.653±0.260）mm、（0.667±0.274）mm、（1.510±0.625） mm。统计分析表明,试验组的牙槽嵴吸收高度小于对照组（P<0.05）,近中、远中邻面牙槽嵴的吸收高度均小于唇侧（P<0.05）。结论位点保存术可以减少牙拔除后牙槽嵴高度的吸收,提高种植修复龈乳头美学效果。

关键词: 邻面牙槽嵴, 位点保存, 牙拔除, 骨吸收

Abstract:

Objective This study aimed to provide foundation for interproximal bone preservation to improve esthetic effects of inter-implant papillar by alveolar ridge preservation following tooth extraction of maxillary single anterior teeth. Methods A total of 30 patients requiring maxillary single anterior teeth extraction were randomly divided into test and control groups (15 cases in each group). The test group underwent alveolar ridge preservation after tooth extraction (Bio-Oss bone powder was implanted in alveolar fossa and fixed with surface free gingival graft suture). No other treatment was performed on the control group after tooth extraction. All patients were scanned using cone beam computed tomography with personalized digital radiographic template at 7 days and 6 months after tooth extraction. Then, measurement of height changes at the interproximal and middle buccal was performed. Results At the mesial and distal interproximal site, ridge height reduction in the test group measured (0.358±0.151) mm, (0.322±0.180) mm, whereas that of control group reached (0.653±0.260) mm, (0.667±0.274) mm, indicating statistical significance (P<0.05). At the middle buccal site, the ridge height reduction of test group amounted to (0.826±0.307) mm, whereas that of control group totaled (1.510±0.625) mm, also presenting statistical significance (P<0.05). Conclusion Alveolar ridge preservation can reduce absorption of alveolar crest height after tooth extraction, which could improve esthetic effects of inter-implant papillae gingiva.

Key words: interproximal ridge, alveolar ridge preservation, tooth extraction, bone resorption

中图分类号:

R782.1

蒋瑷,张强,罗纬,李亮. 上颌单颗前牙位点保存后邻面牙槽嵴高度的早期变化[J]. 华西口腔医学杂志, 2019, 37(4): 394-397.

Ai Jiang,Qiang Zhang,Wei Luo,Liang Li. Early changes of interproximal ridge height with alveolar ridge preservation of maxillary single anterior teeth[J]. West China Journal of Stomatology, 2019, 37(4): 394-397.

图/表 4

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部位	试验组	对照组
近中邻面牙槽嵴	0.358±0.151*^＃	0.653±0.260^＃
远中邻面牙槽嵴	0.322±0.180*^＃	0.667±0.274^＃
唇侧中点牙槽嵴	0.826±0.307*	1.510±0.625

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上颌单颗前牙位点保存后邻面牙槽嵴高度的早期变化

Early changes of interproximal ridge height with alveolar ridge preservation of maxillary single anterior teeth

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组别	n	牙位
组别	n	中切牙	侧切牙	尖牙
试验组	15	8	6	1
对照组	15	7	6	2