Use of analysis of covariance in periodontal clinical trials

The Effect of Controlled Oral Hygiene Procedures on the Progression of Periodontal Disease in Adults: Results After Two Years

John D. Suomi, John C. Greene, Jack R. Vermillion et al. · Journal of Periodontology-Periodontics · 1969 · 97 citations

Dentistry, Periodontics, Periodontology +13

III. Evaluation of an Oral Physiotherapy Center in the Reduction of Bacterial Plaque and Periodontal Disease

J. Roy Elliott, Gerald M. Bowers, Bennie A. Clemmer et al. · Journal of Periodontology · 1972 · 57 citations

Dentistry, Periodontics, Periodontology +15

The Rate of Calculus Formation in Adults

Charles W. Conroy, O. P. Sturzenberger · The Journal of Periodontology · 1968 · 22 citations

Education, Human Development, Adult Development +4

Controlled study of the clinical effectiveness of a new oxygen gel on plaque, oral debris and gingival inflammation.

Zinner Dd, Duany Lf, Chilton Nw · PubMed · 1970 · 20 citations

Dentistry, Periodontics, Periodontology +16