Fig. 2. Attractiveness smile scores compared among Japan, the U.S.A., and Indonesia for each mouth shape and tooth and gingival visibility classification (6=very attractive, 0= unattractive). Statistical analysis was performed using ANCOVA. *p<0.05, **p<0.01.

Int J Clin Prev Dent 2020;16:209-14 https://doi.org/10.15236/ijcpd.2020.16.4.209

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