Evaluation of the Sleep Habits and Dental Problems in Children Exposed to Secondhand Smoke During Childhood

Clinically, data on the association of early-life secondhand smoke (SHS) exposure with sleep bruxism and dental problems are scarce. To examine whether the relationship between early-life SHS exposure with sleep problems, sleep bruxism, and dental problems in children. Within the scope of this study, questionnaires were applied to the volunteer parents of 710 children, aged 5-12 years old. The questionnaire applied in this study named as Children's Sleep Habits Questionnaire (CSHQ) and consists of seven subscales and a total of 33 items. The questionnaire was completed retrospectively by any parent, and the presence of sleep bruxism was questioned during the anamnesis. Afterward, the presence of dental decay and tooth wear was evaluated during intraoral and radiographic examinations. Dental decay and tooth wear were scored with the DMFT/deft index and tooth wear index of Smith & Knight, respectively. The presence of sleep bruxism was significantly higher in children with parasomnia (p = 0.01; p