Table 1.

PA, dice coefficient, and Jaccard index for detection performance of the periodontal bone level, the CEJ level, and the teeth by the developed CNN.

	Pixel Accuracy	Dice coefficient	Jaccard index
Periodontal Bone level	0.92 ± 0.03	0.93 ± 0.02	0.88 ± 0.03
CEJ level	0.87 ± 0.04	0.91 ± 0.02	0.84 ± 0.04
Teeth	0.87 ± 0.06	0.91 ± 0.01	0.83 ± 0.02