[The number of permanent teeth as an index of the stage of development of 6-7-year-old children].
D000366:Age Determination by Teeth; D002648:Child; D002657:Child Development; D005260:Female; D006801:Humans; D008297:Male
Kolichestvo postoiannykh zubov kak pokazatel' stepeni razvitiia deteĭ 6--7-letnego vozrasta.