Objective This study aimed to establish the reference value range of healthy teeth mobility in Chinese youth. Methods 200 right side teeth of Han nationality of Chinese youths were measured so as to get the range of the parameters. Results All parameters of 14 teeth were achieved 'Me parameter of TM in mandibular incisor was the highest and in mandibular first molar lowest. Conclusion It is very significant to get and quant沂the healthy teeth's parameter range. Because they can be served as the heal听contrast when dentists diagnose the mobility. It also reflects the fact that lower the TM parameter is, firmer the tooth will be.
