“…The study deals with related factors associated with tooth loss, such as: age [7,11–13], sex [7,12,14,15], socio-economic status [11,14], residence in rural areas, lower educational level [7,12–14], more than five residents per household [13], use of public services [12,13], reason for seeking dental services [13], smoking, previous tooth loss, dental caries and periodontal disease [7,16,17]. Most population studies of adults use a cross-sectional design and measure associated factors [12,18–23], with few cohort studies [14,16,24] that have verified risk factors for tooth loss.…”