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

Table 7 Distances from root to the maxillary sinus floor. Different letters symbolize the statistic difference, p < 0.05, ANOVA test

	\(\overline{X }\pm S\)(mm)
Second premolar: single root	2.47 ± 3.45^a
Second premolar: buccal root	1.49 ± 3.21^b
Second premolar: palatal root	2.13 ± 3.13^ab

Different superscript letter means different subsets which has magnificent statistic difference. The p-value between a and b is 0.025 < 0.05

ISSN: 1472-6831