Root and Canal Morphology of Primary Maxillary Second Molars Studied by CBCT
Objective:To analyze the root and canal morphology of primary maxillary second molars by using cone-beam computed tomography(CBCT)images.Methods:CBCT images of 144 Chinese children(aging from 4 to 8)in the Department of Stomatology,Shenzhen Children's Hospital were analyzed.The number of roots and morphol-ogy of canals were record.The data were statistically analyzed by software SPSS 26.0.Results:Ninety-eight point five percent of the teeth had three roots and one point five percent had four roots,respectively.There was no signif-icant difference in the number of roots between genders(P=1.000)and between left and right sides(P=0.123).Of the subject enrolled,3 canals in 3 roots were found in 62.03％and 4 canals in 3 roots in 31.95％of the molars,respectively.There was no difference in the 2 major types of root canal between genders(P=0.513)and between left and right sides(P=0.894).Conclusion:The morphology of the root canals of maxillary second primary molars is very complex.It is necessary to master the common morphological types before root canal treatment to improve the success rate of root canal treatment.
万方数据
维普
