The thumb, the child, and the dentition or ignore the thumb, the tongue is worse.
D001903:Bottle Feeding / Q000009:adverse effects; D002648:Child; D002675:Child, Preschool; D005145:Face / Q000033:anatomy & histology; D005386:Fingersucking / Q000150:complications*; D006801:Humans; D008310:Malocclusion / Q000209:etiology*; D014061:Tongue Habits