Pagine 567-573, Lingua: IngleseCroft, Lloyd K./Nunn, Martha E./Crawford, Lana C./Holbrook, Thomas E./McGuire, Michael K./Kerger, Mary M./Zacek, Gloria A.The purpose of this study was to determine if patients prefer ultrasonic or hand instruments for periodontal maintenance. A questionnaire of 13 items was answered by 469 patients in three periodontal offices. The results showed a strong preference (74%) for ultrasonic instruments. The possibility of increased compliance because of this preference is discussed.
