Table 1.

Overview of the included pixelwise annotations for the training set (N = 16,679 images), validation set (N = 500 images), and the independent test set (N = 1000 images).

Diagnostic category	Number of annotations
	Training set	Validation set	Test set	Total
Caries
Non-cavitation	16,185	501	1058	17,744
Grayish translucency	954	29	67	1050
Enamel breakdown	1001	33	70	1104
Dentin cavity	5046	155	316	5517
Fully destructed tooth	868	27	50	945
Molar–incisor hypomineralization (chalky teeth)
Demarcated opacity	5817	180	329	6326
Enamel disintegration	1143	35	69	1247
Atypical restoration	721	22	34	777
Total	31,735	982	1993	34,710