[Comparative study on the frequency of dental extractions in orthodontics].
D005060:Europe; D006801:Humans; D007558:Italy; D009971:Orthodontics, Corrective; D009973:Orthodontics, Preventive; D012690:Serial Extraction; D014481:United States
Indagine comparata sulla frequenza delle estrazioni dentarie in ortopedia dento-maxillo-facciale.