Figure 1. Occlusal view of the maxillary arch. Note: Fused upper right first premolar and presence of the right second premolar

From

Fusion of a Supplemental Premolar a Rare Presentation – A Case Report

Fonseka MCN, Wettasinghe KA, Wettasinghe P

Oral Surgery, Oral Medicine, Oral Radiology. 2015, 3(1), 15-19 doi:10.12691/oral-3-1-4