随着学术交流日渐增多,如全球性牙病临床流行病学调查,学术会议及文献交流,法医牙学的需求等,要求一种国际通用的牙齿命名系统,以便适应这种情况。据Ahlberg估计,约有40种不同的牙齿命名系统被广泛应用。其中主要的有: Palmer命名法恒牙从中切牙至第三磨牙用阿拉伯数字1～8命名,乳牙则用A～E分别表示乳中切牙至第二乳磨牙,也有用a～e或罗马数字Ⅰ～Ⅴ;或阿拉 With the increasing number of academic exchanges, such as global epidemiological investigation of dental epidemiology, academic conferences and exchange of literature, the demand for forensic dentistry, etc., requires an internationally accepted tooth naming system to adapt to this situation. Ahlberg estimates that about 40 different dental naming systems are in widespread use. The main ones are: Palmer nomenclature Permanent teeth from the incisors to the third molars with Arabic numerals 1 to 8, primary teeth are used A to E, respectively, to milk in the second molars, but also useful a ~ e or Rome Numbers Ⅰ ~ Ⅴ; or Allah