アブストラクト（4巻1号：The Bulletin of Kanagawa Dental College）

The Bulletin of Kanagawa Dental College

English

Title　： Occurrence of Idiopathic Mottling of Enamel (II) Nonfluoride mottlings and hypoplasias in 774 children aged from nine to 14 years
Subtitle　：
Authors　： Yoshikazu Iizuka, Takeshi Yasaki, Ryoichi Ahiko, Morio Kamata, Yoshio Yokota, Akio Matsuzawa, Takushi Hoshino
Authors（kana）　：
Organization　： Department of Dental Health, Kanagawa Dental College
Journal　： The Bulletin of Kanagawa Dental College
Volume　： 4
Number　： 1
Page　： 51-54
Year/Month　： 1976 / 3
Article　： Report
Publisher　： Kanagawa Odontological Society
Abstract　： [Abstract] An examination of 774 children, nine to 14 years old, in Miura, Kanagawa Pref., Japan, in which the fluoride content of drinking water was less than 0.18 ppm and no fluoride pollution was recognized was carried out. This study revealed that 35.3% had clinically obvious mottlings, 5.3% had enamel hypoplasias, and 4.8% had both enamel defects in their permanent teeth. Restricting the study only on the children with several or more of these defects distributed symmetrically in the dentition, however, 11.6% had mottlings, 1.8% had hypoplasias, and 2.3% had both defects symmetrically in their dentition.
Practice　： Dentistry
Keywords　： Nonfluoride, enamel defects, children