Question
Part I: A hypothetical cohort study You are a dentist interested in studying the time between getting a normal filling in a molar (a relatively
Part I: A hypothetical cohort study
You are a dentist interested in studying the time between getting a normal filling in a molar (a relatively minor procedure) and needing root canal therapy for that molar (a more advanced procedure).You enroll a cohort of 100 consecutive individuals from your dental practice who had a filling placed in one of their molars.At every 6-month check-up they are counted as still enrolled in the study. You count the number of enrolled patients who had to seek root canal therapy in each 6-month interval after the initial filling - either at your office or with an endodontist (a dentist who specializes in the procedure) with a referral from your office.Over 18 months of study, 43 patients obtained a root canal and 26 patients either left your practice or were lost to follow-up.You begin to construct a life table with your findings: IN PREP
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