患者男性20岁，学生．因乳牙滞留椋毫藃滞留，I”松动，下了股面浅龋，探（－）．?榔允径笔В扪琅撸忍烊笔Т朐谘琅咝纬晒讨形茨芊⒂托纬傻难溃阊廊笔Ф嘤诳籽溃腥硕猿啥际516副乳牙?寄Ｐ偷鞑榧忍烊次抻枰15人，约占受检人数的2．9％D’。恒牙缺失率高于比数 Male patient 20 years old, student. Because of the deciduous teeth stubborn stay, I "loose, under the shallow face of the caries, exploration (-).   allow    pen  Lang Lang 撸  tolerance 烊 pen Т 朐 咝 Lang 晒 sun drying  discussing Tzu Chi Tuo Wei stupid calamity 阊 阊 gallery pen Ф 嘤 诳 seed ulceration  硕 ape-sesame interception of 516 pairs of deciduous teeth? Send P stolen Tartar   end 烊 抻 抻 10, about 2 the number of subjects. 9% D '. Defective rate of permanent teeth is higher than the ratio