Method: 29 lower first molar Spaces were observed and the height of alveolar crest before and after treatment were analyzed with paired-t tests.
方法：观察下颌第一磨牙陈旧性拔牙间隙29处。测量矫治前后该处牙槽嵴高度，将测量值进行配对t检验。
During implant surgery at 1 year after the guided surgery, fine regenerative bone and apparently wide alveolar crest in the edentulous area were observed.
术后1年，牙种植手术中见再生骨质量好，缺牙区牙槽嵴宽度明显增宽。
Objective: on the base of animal experiments through the applying of MGTR in clinic to observe the defective and partially atrophy alveolar crest regeneration for dental implants application.
前言：目的：在动物实验的基础上，研究临床应用膜诱导组织再生技术治疗牙种植体周围炎，以观察治疗的临床效果。
Objective: To study if closing obsolete molar space could cause severe resorption of alveolar crest through comparing the height of alveolar crest before and after closing obsolete molar space.
目的：通过对正畸关闭陈旧性磨牙间隙前后牙槽嵴高度的对比，探讨关闭陈旧性磨牙间隙是否加重牙槽嵴吸收。
The stress in the periodontal ligament near apex increased more rapidly than that near the alveolar bone crest.
在不同的牙槽骨高度时，牙槽嵴顶部的牙周膜是应力集中的部位。
We located the alveolar bone crest by sounding and determined its biological width.
应用骨探测法探察牙槽骨嵴顶的位置，确定其生物学宽度。
Conclusions: 1 the stress is concentrated in alveolar bone crest and apex area of the maxillary anterior teeth while they are in tipping movement.
结论：1倾斜移动内收上颌组牙时，各个牙的牙槽嵴顶部和根尖部都有明显的应力集中区域。
Objective: Research the change in alveolar bone crest height among 2-phase treatment, pendulum and extraction treatment in Class II malocclusion.
目的：了解拔牙与非拔牙矫治在治疗安氏II类错时牙槽嵴高度的变化情况。
Objective: to evaluate the clinical effect in repairing the bone loss of periodontal pockets which the bottom are beneath the alveolar bone crest using BMP compound material.
目的：探讨BMP复合材料修复牙周病骨下袋骨缺损的临床应用效果。
Objective: to evaluate the clinical effect in repairing the bone loss of periodontal pockets which the bottom are beneath the alveolar bone crest using BMP compound material.
目的：探讨BMP复合材料修复牙周病骨下袋骨缺损的临床应用效果。
应用推荐