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前牙区种植选择即刻种植还是早期种植
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- Author:
- No author available
- Journal Title:
- Chinese Journal of Stomatology
- Issue:
- 4
- DOI:
- 10.3760/cma.j.issn.1002-0098.2013.04.002
- Key Word:
- No keyword available
Abstract： 经过四十余年的发展,口腔种植技术逐步走向成熟.它不仅能够重建良好的咀嚼功能,而且能够重现自然的牙齿外形,实现缺牙的功能与美观修复.目前它已成为缺牙修复的一项常规且成熟的临床技术.伴随种植外科技术的进步,种植适应证也得到了极大地拓展,与此同时种植时机也由早先的拔牙后6个月以上得以大大提前,缩短了患者缺牙时间.基于拔牙后牙槽窝的形态、骨量以及组织学变化,"ITI第三次共识性讨论会"将种植时机做如下分类和定义:①即刻种植:拔牙即刻植入牙种植体;②早期种植伴黏膜愈合,通常在拔牙后4～8周,拔牙后牙槽窝表面已被愈合的软组织覆盖,但是无明显骨愈合;③早期种植伴部分骨愈合,通常在拔牙后12 ～16周,拔牙创黏膜完全愈合并伴有部分骨愈合;④延期种植:通常在拔牙后6个月,种植体植于完全愈合的缺牙区[1].
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