. Author manuscript; available in PMC: 2023 Nov 1.

Published in final edited form as: IEEE Trans Med Imaging. 2022 Oct 27;41(11):3158–3166. doi: 10.1109/TMI.2022.3180343

TABLE I:

The names of landmarks, numbers of landmarks, and their corresponding teeth.

Tooth name	Landmark name	No. of landmarks

upper right/left central incisor (UR1, UL1)	DCP, MCP, PGP, LGP	4
upper right/left lateral incisor (UR2, UL2)	DCP, MCP, PGP, LGP	4
upper right/left canine (UR3, UL3)	DCP, MCP, CCT	3
upper right/left first premolar (UR4, UL4)	MLA, DLA, PGP, MCP, DCP	5
upper right/left second premolar (UR5, UL5)	MLA, DLA, PGP, MCP, DCP	5
upper right/left first molar (UR6, UL6)	MLA, DLA, MBC, DBC, MCP, DCP	6
upper right/left second molar (UR7, UL7)	MLA, DLA, MBC, DBC, MCP, DCP	6

MCP (mesial contact point); DCP (distal contact point);

PGP (palatal gingival point); LGP (labial gingival point);

CCT (canine cusp tip);

MLA (mesial line angle); DLA (distal line angle);

MBC (mesiobuccal cusp); DBC (distobuccal cusp)