Study on processing and quantifying characteristic parameters of tooth mobility

牙 动 度特异性指标的提取和量化

In ⅲ with tooth mobility degrees centigrade root ⅲ degrees above bifurcation lesions alveolar bone resorption 2 / 3 or more .

患 牙 松动度在Ⅲ度以上，根分叉病变Ⅲ度以上，牙槽骨吸收2/3以上。

A clinical study on the relationship between tooth mobility parameters and edgewise appliance loading

方丝弓矫治器加载与 牙 松动 度提取参数关系的初步探讨

The methods of measuring tooth mobility displacement are reviewed and their characteristics and the errors occured are analysed .

首先简要介绍目前测量 牙齿 松动位移的主要方法，并分析了各自的特点和造成误差的主要原因。

The manufacture and clinical detection of transducers for tooth mobility

牙齿 松动 度位移测量仪的研制及临床检测

AIM To extract parameters related to alveolar height from tooth mobility signal and to offer foundations for clinical applications .

目的提取 牙 动 度信号中与牙槽骨高度有关的参数，为临床应用提供依据。

AIM : By studying the relationship between parameters from FX-1 tooth mobility measurement system and clinical tooth mobility and identifying their clinical value .

目的：研究FX-1型 牙 松动度测量系统提取参数与临床牙松动度的关系，进一步明确其临床实用价值。

With ⅱ tooth mobility degrees in ⅲ degrees periodontal tissue - damage obvious .

患 牙 松动度在Ⅱ-Ⅲ度，牙周组织破坏明显。

Development of High Precision Laser Instrument for Measuring Tooth Mobility Displacement

一种高精度激光 牙齿 松动位移测量仪的研制

Result : ( 1 ) The transducer of tooth mobility was produced initially .

结果（1）初步完成 牙 动 度测量仪的研制；

Results : Before treating there were no statistical differences between Titanium-alloy splint group and non-splint Co-Cr-alloy splint group in tooth mobility probing depth attachment loss and alveolar bone resorption ( p > 0.05 ) .

结果：治疗前：钛金组与非夹板组、钴金组患 牙 松动度、牙周袋深度、牙周附着丧失、牙槽骨吸收量的比较差异均无统计学意义（P＞0.05）；

Method : ( 1 ) Produced according the theory of electromagnetic induction and digitized singlechip technique the transducer of tooth mobility can convert electric signal into digital signal to make for more accurate diagnoses .

方法（1） 牙 动度测量仪应用电磁感应原理，采集 牙齿 松动 位移电信号，并将信号通过单片机与A/D处理、转化，最后屏幕显示 牙 动 度位移数值。

Choosing the way in which the handgrip works with pressure sensor can help those who working for measuring tooth mobility displacement or working in clinic to get more accurate data .

采用附带压力传感器的探杆配合操作，可为有关 牙动 度的医学研究和临床提供较精确的变力下 牙齿 松动位移测量数据。

We measured tooth mobility using T / 2 as main and η as assist factor .

以T／2为主，η为辅，度量 牙齿 的 松动 度。

Dynamical Analysis about A Method of Measuring Tooth Mobility

关于一种 牙齿 松动度测量方法的动力分析

There were no remarkable changes in the tooth mobility and X-ray image analysis before treatment and12 weeks after treatment .

治疗12周和治疗前比 牙齿 松动 度、松动 牙X射线片无明显变化。

Objective : To produce transducer for tooth mobility and to test its clinical performance .

目的：对 牙齿 松动 度位移测量仪（简称 牙 动 度测量仪）的研制和临床检测。

Methods The changes of periodontal pocket depth tooth mobility bone density and patients ' feelings were determined before and after prosthodontic treatment with 52 telescopic dentures in 38 patients who totally had 226 abutment teeth including 184 of mobility .

方法38例牙周病患者经牙周治疗后进行套筒冠义齿修复，共制作套筒冠义齿52件，基牙共计226颗，其中松动 牙184颗，追踪观察时间为 6~24个月。

Relationship between tooth mobility and width of periodontal membrane

牙 动 度与牙周膜宽度关系的实验性研究

New method for measuring tooth mobility

一种测量 牙 松动 度的新方法

The parameters of probing depth ( PD ) sulcus bleeding index ( SBI ) and tooth mobility degree ( MD ) were reviewed and analyzed before surgery 6 weeks after surgery 1 and3 months after restoration .

比较术前、术后6周、修复后1月及3月的牙周探诊深度（PD）、龈沟出血指数（SBI）和 牙 松动度（MD），以评价临床疗效。