Abstract
Global consumption of prescription opioid analgesics has increased dramatically in the past 2 decades, outpacing that of illicit drugs in some countries. The increase has been partly ascribed to the widespread availability of prescription opioid analgesics and their subsequent nonmedical use, which may have contributed to the epidemic of opioid abuse, addiction, and overdose-related deaths. International studies report that dentists may be among the leading prescribers of opioid analgesics, thus adding to the societal impact of this epidemic. Between 2009 and 2011, dentists in the United States prescribed 8% to 12% of opioid analgesics dispensed. There is little information on the pattern of opioid analgesic prescription by dentists in Canada. The aim of this study was to examine the pattern of opioid analgesics prescription by dentists in Nova Scotia (NS), Canada. This retrospective observational study used the provincial prescription monitoring program’s record of oral opioid analgesics and combinations dispensed to persons 16 y and older at community pharmacies that were prescribed by dentists from January 2011 to December 2015. During the study period, more than 70% of licensed dentists in NS wrote a prescription for dispensed opioid analgesics, comprising about 17% of all opioid analgesic prescribers. However, dentists were responsible for less than 4% of all prescriptions for dispensed opioid analgesics, prescribing less than 0.5% of the total morphine milligram equivalent (MMEq) of opioid analgesics dispensed over the 5 y. There was a significant downward trend in total MMEq of dispensed opioid analgesics prescribed by dentists from about 2.23 million MMEq in 2011 to 1.93 million MMEq in 2015 (r = –0.97; P = 0.006). Opioid prescription is common among dentists, but their contribution to the overall availability of opioid analgesics is low. Furthermore, there has been a downward trend in total dispensed MMEq of opioid analgesics prescribed by dentists.
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