Diagnostic Accuracy of CBCT for Detection of Second Canal of Permanent Teeth: A Systematic Review and Meta-Analysis

Figure 12

Unadjusted and adjusted funnel plots by trim-and-fill method (6 opened circles in second figure represent filled studies). (a) Unadjusted funnel plot. (b) Adjusted funnel plot by the trim-and-fill method.

(a)

(b)