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Fig. 3 | BMC Oral Health

Fig. 3

From: Three-dimensional position changes of unopposed molars before implant rehabilitation: a short-term retrospective cohort analysis

Fig. 3

Determination of reference points and parameters. a LC1, LC2, BC1, and BC2 were cusp tips, in which LC and BC means lingual cusp and buccal cusp; Mm and Md were midpoints of the mesial and distal marginal crests, respectively. b CC: centroid of cusp tips; CA: centroid of root apexes; Tooth axis, line from CA to CC. c OEmean, mean overeruption of cusps d OEmax, maximum overeruption of cusps. e BLT, Bucco-Lingual tipping angle. f MDT, Mesio-Distal tipping angle

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BMC Oral Health

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