The technique of site preservation after extracting the tooth.

Abstract

Abstract:

Abstract： The technique of site preservation after extracting the tooth is a method which prevents and reduces disuse atrophy absorption of the alveolar ridge and retraction of the gingival nipple，so that height，width and density of the alveolar bone can meet the needs of post-implanting，and it can restore normal gingival papilla height to meet the aesthetic requirements. In this paper，we make an introduction about tooth socket physiological change，alveolar bone and soft tissues preservation methods after extracting the tooth and the existing bone graft material.

Key words: site preservation, alveolar bone, bone resorption, graft material, immediate implant

摘要：

拔牙位点保存技术是为了预防及减少牙槽嵴的废用性萎缩吸收及牙龈乳头的退缩，使牙槽嵴骨量的高度、宽度及密度满足后期种植的需要，并使牙龈乳头恢复正常高度以满足美学要求的一种方法。本文就拔牙后牙槽窝的生理性变化、牙槽骨及软组织的保存方法及现有的植骨材料做一介绍。

关键词: 位点保存, 牙槽骨, 骨吸收, 植骨材料, 即刻种植

CLC Number:

Ｒ78

ZHAO Bao-hong，WANG Dan-ning. The technique of site preservation after extracting the tooth.[J]. Acta Metallurgica Sinica.

赵宝红，王丹宁. 拔牙位点保存技术[J]. 中国实用口腔科杂志.

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