Determination of the concordance of the oral-vestibular forces in twins.
D000293:Adolescent; D000539:Alveolar Process / Q000254:growth & development; D003724:Dental Arch / Q000254:growth & development; D005152:Facial Muscles / Q000502:physiology*; D005260:Female; D006801:Humans; D008297:Male; D009055:Mouth; D011247:Pregnancy; D013060:Speech; D014070:Tooth; D014427:Twins