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Forest plot showing studies (n = 23) that report on the prevalence of the greater palatine foramen (GPF) being positioned opposite to the third maxillary molar (M3; Q = 744.7; P < 0.0001 and I2 = 96.91%). Note: weights were calculated using random-effects analysis. Total number of GPF in the analysis n = 6927. GPF–M3, the GPF being opposite to the M3. N, north; S, south; E, east; W, west; CI, confidence interval.
