title: DMF-experience in children with and without supragingival calculus on lower front teeth.
mesh_terms: D000293:Adolescent; D002648:Child; D004245:DMF Index; D003728:Dental Calculus / Q000453:epidemiology*; D005260:Female; D005891:Gingivitis / Q000453:epidemiology; D006801:Humans; D007180:Incisor; D008297:Male; D008334:Mandible; D013557:Switzerland