Research Article

Evaluation of Growth and Development of Adolescents’ Dental Arch Asymmetry with Normal Occlusion Using Three-Dimensional Digital Models

Table 1

Definitions of acronyms for cast landmarks.

AcronymDescription

U1/L1Midincisal edge of upper/lower central incisors
U2/L2Midincisal edge of upper/lower lateral incisors
U3/L3Upper/lower canine cusp tip
U4/L4Upper/lower first premolar buccal cusp tip
U5/L5Upper/lower second premolar buccal cusp tip
U6MB/L6MBUpper/lower first molar mesiobuccal cusp tip
U6DB/L6DBUpper/lower first molar distobuccal cusp tip
MPPMedian palatal plane
TPPTranspalatal plane
MPPBCommon point at the intersection of the maxillary MPP and the mandibular MPP