[A clinical observation on changes in oral-habit incidence].
D000367:Age Factors; D002012:Bruxism; D002648:Child; D002675:Child, Preschool; D005386:Fingersucking; D006184:Habits; D006801:Humans; D007223:Infant; D009058:Mouth Breathing; D009259:Nail Biting; D011795:Surveys and Questionnaires