Real change is difficult.
Houpt
Milton
M
D002648:Child; D019140:Dental Care for Children / Q000639:trends; D003777:Dental Prophylaxis / Q000639:trends; D005460:Fluorides, Topical / Q000627:therapeutic use; D006801:Humans; D010377:Pediatric Dentistry / Q000639:trends*; D011861:Radiography, Dental / Q000639:trends
D005460:Fluorides, Topical