Changes in lower dental arch dimensions and tooth alignment in young adults without orthodontic treatment
OBJECTIVE: The aim of this longitudinal study, comprising young adults without orthodontic treatment, was to assess spontaneous changes in lower dental arch alignment and dimensions.METHODS: Twenty pairs of dental casts of the lower arch, obtained at different time intervals, were compared.Dental casts obtained at T1 (mean age = 20.25) and T2 (mean