1. 1,031 tested at ADA screening program;News of Dentistry;JADA,1972
2. Analysis of panoramic survey;Johnson;JADA,1970
3. Deterioration of human teeth;Brekhus;JADA,1951
4. Prevalence of defective restorations;Moore;J Prosthet Dent,1967
5. Oral disease in 181,338 consecutive oral examinations;Knapp;JADA,1971