Division of Epidemiology and Prevention;
Aichi Cancer Center Research Institute;
Nagoya;
Aichi 464-8618;
Japan;
Department of Preventive Dentistry;
Graduate School of Dentistry;
Osaka University;
Suita;
Osaka 565-0871;
Japan;
Department of Public Health;
Faculty of Medicine;
Fukuoka University;
Fukuoka 814-0180;
Japan;
Department of Preventive and Public Health Dentistry;
Fukuoka Dental College;
Fukuoka 814-0193;
Japan;
Department of Epidemiology;
Nagoya University Graduate School of Medicine;
Nagoya;
Aichi 464-8601;
Japan;
Meta-analysis; Oral health; Relative risk; Smoking; Tooth loss;