CBCT evaluation of root canal morphology and anatomical relationship of root of maxillary second premolar to maxillary sinus in a western Chinese population

Table 6 Distances from root to the maxillary sinus floor in different age groups

Different letters symbolize the statistic difference, p < 0.05, ANOVA test
Different superscript letter means different subsets which has magnificent statistic difference. The p-value between a and b is 0.000001 < 0.05; the p-value between a and c is 0.000000 < 0.05; the p-value between b and c is 0.000010 < 0.05

ISSN: 1472-6831