<qa>  How many smokers will be randomly selected to contact?Data acquisition and entry. Random samples of smoking patients seen for annual general dental or periodontal exams will be called to complete a short Current Visit Survey shortly after their visits. We will randomly select up to 4,000 smoking patients approximately 285 per facility to contact. We expect to achieve a minimum response rate of 70, based on a 76 response rate achieved using this same procedure with patients seen for routine medical visits Hollis, 2000b. A 70 response rate will yield an estimated 2,800 respondents 200 per facility. 