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n4slideshare.
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This 43% reported having no other problem, they just wanted a cleaning or checkupLooking at participants who were in the study 18 months or more (N=1466) we looked at the rate of retention (defined as 2 or more dental visits at least 12 months apart during an 18 month or greater observation period)In multivariate analysis controlling for clustering by site and other factors significantly associate
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