Ehmer U
Zahn Mund Kieferheilkd Zentralbl. 1976;64(8):810-9.
The incidence and severity of parodontopathies and results of studies of the level of oral hygiene are reported, in terms of both subjective and objective parameters, for children and juveniles affected with trisomy 21. Also discussed are problems of age and sex dependence; causal, complementary, and reciprocal relationships; and possibilities of prophylaxis.
报告了21三体综合征患儿和青少年牙周病的发病率和严重程度，以及口腔卫生水平的研究结果，涉及主观和客观参数。还讨论了年龄和性别依赖性问题；因果、补充和相互关系；以及预防的可能性。
