“…In published studies based on FAI, the prevalence rate of TMD was observed to vary from 22,6 to 87% . These prevalence rates were reported by Karthik et al 27 22,6%, Jagdhari et al 22 23%, Rokaya et al 28 30,6%, Conti et al 13 42%, Al Moaleem et al 26 43,5%, Modi et al 21 45,16%, Habib et al 24 46,8%, Bonjardim et al 19 50%, Bicaj et al 29 53,21%, Nomura et al 18 55,4%, relationship between parafunctional habits and TMA are unsolved [46][47][48] . Most studies were observed that the prevalence of bruxism is higher in young adults than in the elderly [49][50][51][52][53] .…”