4Gesser HC,Peres MA,Marcenes W,et al.Gingival and periodontalconditions associated with socioeconomic factors[J].Rev Saidi Pub-lica,2001,35(3):289-293.
5Gamonal JA,Lopez NJ,Aranda W,et al.Periodontal conditions andtreatments needs,by CPITN,in the 35-44 old and 65-74-year oldpopulations Santiago,Chile[J].Int Dent J,1998,48(2):96-103.
6Tonetti MS.Local delivery of tetracycline:from concept to clinicalapplication[J].J Clin Periodontal,1998,25(3):696-977.
7Nosal G,Scheidt MJ,O'Neal R,et al.The penetration of lavage solu-tion into the periodontal pocket during ultrasonic instrumentation[J].J Periodontol,1991,62(9):554.
8Chapple IL,Walmsley AD,Saxby MS,et al.Effect o f sub-gingival ir-rigation with chlorhexidine during ultraso-nic scaling[J].J Peri-odontol,1992,63(10):812.
9Friedlander AH,Chaudhuri G,Altman L.A past medical history of gestation diabetes:its medical significance and its dental implica-tion[J].Oral Surf Oral Med Oral Pathol Oral Radiol Endo,2007,103(2):157-163.
10Demmer RT,Jacobs DR Jr,Desvarieux M.Periodontal diseases and incident type2diabetes:results from the First National Health and Nutrition Examination survey and its epidemiologic follow-up study[J].Diabetes Care,2008,31(7):1373-1379.
