The mesial root of the third mandibular molar. A possible indicator of age.
D000293:Adolescent; D000328:Adult; D000366:Age Determination by Teeth; D005260:Female; D006801:Humans; D008297:Male; D008964:Molar, Third / Q000033:anatomy & histology*; D009811:Odontometry; D014092:Tooth Root / Q000033:anatomy & histology*