[Reduction of the roots of upper premolars].
D001641:Bicuspid / Q000002:abnormalities* / Q000196:embryology; D005075:Biological Evolution; D002648:Child; D006801:Humans; D008297:Male; D014092:Tooth Root / Q000002:abnormalities* / Q000196:embryology
A felsó elsó kisórló gyökérredukciója