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Purpose: To 1) quantify practitioner activities of the National Dental Practice-Based Research Network (Network) for which Continuing Education (CE) credits were received (study training, videos, webinars, meetings, and symposia); 2) quantify practitioner coauthoring Network publications and presentations; and 3) test whether practitioner characteristics were associated with participation in these activities., Methods: A retrospective analysis of 4361 practitioners who enrolled in the Network between April 12, 2012 and October 12, 2018., Results: Overall, 59% (n = 2586) of practitioners earned CE credit from the Network; among these, 68% (n = 1757) from a video, 38% (n = 993) attended an annual Network meeting, 31% (n = 798) due to training for a Network clinical study, 9% (n = 226) attended a national symposium, and 7% (n = 170) participated in a Network webinar. Members of 2 large group practices earned on average more CEs than practitioners from other practice settings. Four percent (n = 159) of practitioners coauthored a Network presentation or publication. Practitioners who received their dental degree before 2000, were general practitioners, or were members of 2 large group practices, were more likely to have coauthored a publication or presentation., Conclusion: This Network used a broad range of activities to engage community practitioners. These activities were successful in sustaining a high level of practitioner engagement in clinical research and its relevance to everyday clinical practice., Competing Interests: Conflicts of interest: None., (© Copyright 2020 by the American Board of Family Medicine.)

General dentists (GDs) have the opportunity to examine their patients for oral premalignancy/malignancy. We estimated the annualized per dentist number of oral lesions suspicious for premalignancy/malignancy discovered by United States (U.S.) general dentists and the annualized per dentist number of histologically-confirmed cancers subsequently diagnosed. Eligible participants were licensed, clinically-active U.S. GDs who were members of the U.S. National Dental Practice-Based Research Network. An a priori sample size of 900 was determined; 2000 GDs were invited to participate; 1,073 completed the study. Self-reported, cross-sectional data were obtained via an online questionnaire during 4/12/2017-8/31/2017 and analyzed. The reported numbers of suspicious oral lesions and histologically-confirmed oral cancer cases diagnosed over the previous six months were quantified. Potential outcome predictors were evaluated as covariates in multivariable analyses. Crude and adjusted statistics were produced by regressing each outcome on each independent variable while assuming a Poisson distribution, log link and utilizing robust standard errors. Eighty-seven percent of dentists reported discovering 1+ lesion suspicious for oral premalignancy/malignancy during the preceding six months. The mean number of suspicious lesions/dentist/year was 9.5; adjusted mean: 9.6. Fifteen percent of participants reported discovering 1+ lesion confirmed as cancer during the same period, 213 confirmed cancer cases/6 months or 426/year. Crude and adjusted mean numbers of histologically-confirmed oral cancers were both 0.4 cancers/dentist/year. Our findings suggest that many U.S. general dentists are actively identifying oral lesions suspicious for premalignancy/malignancy, thereby aiding in the discovery of oral malignancies and representing an important component in the frontline against cancer., (Copyright © 2019 Elsevier Inc. All rights reserved.)

Purpose: This study examines practitioner participation over 12 years in the National Dental Practice-Based Research Network (PBRN) studies and practitioner meetings, average length of participation, and association of practitioner- and practice-level characteristics with participation. Little information exists about practitioners' long-term participation in PBRNs., Methods: The network conducted a retrospective analysis of practitioner participation in 3 main network activities during 2005 to 2017. Practitioners who completed an enrollment questionnaire, practiced in the United States, and either attended a network meeting or received an invitation to complete a questionnaire or clinical study were included in the analysis. Practitioners (n = 3669) met inclusion criteria. The network implemented 38 studies (28 clinical and 10 questionnaire), 23 of which (15 clinical and 8 questionnaire) met the criteria for the current analysis., Results: Overall, 86% (N = 3148) participated in at least 1 network activity during 2005 to 2017. Questionnaire studies had the highest rate with 81% (N = 2963) completing at least 1, 21% (N = 762) completed at least 1 clinical study and 19% (N = 700) attended at least 1 network meeting. Among 1578 practitioners enrolled in the first 5 years of the Network launch, 20% (N = 320) participated in multiple network activities over 5 to 9 years, and 14% (N = 238) for 10 to 12 years. Practitioner characteristics associated with participation varied depending on the activity assessed., Conclusion: The network engaged practitioners in its research activities with relatively high participation rates over a 12-year period. Strategies employed by the network to engage practitioners may serve as a model for PBRN networks for other allied health professions., Competing Interests: Conflict of interest: none declared., (© Copyright 2018 by the American Board of Family Medicine.)

Background. Questionable occlusal caries (QOC) can be defined as clinically suspected caries with no cavitation or radiographie evidence of occlusal caries. To the authors' knowledge, no one has quantified the prevalence of QOC, so this quantification was the authors' objective in conducting this study. Methods. A total of 82 dentist and hygienist practitioner-investigators (P-Is) from the United States and Denmark in The Dental Practice-Based Research Network (DPBRN) participated. When patients seeking treatment had at least one unrestored occlusal surface, P-Is quantified their number of unrestored occlusal surfaces and instances of QOC, if applicable. P-Is also recorded information about characteristics of patients who had QOC and had provided informed consent. The authors adjusted for patient clustering within practices. Results. Overall, 6,910 patients had at least one unrestored occlusal surface, with a total of 50,445 unrestored surfaces. Thirty-four percent of all patients and 11 percent of unrestored occlusal tooth surfaces among all patients had QOC. Patient- and surface-level QOC prevalences varied significantly according to DPBRN region (P < .001 and P = .03, respectively). The highest percentages for patient- and surface-level prevalence occurred in Florida and Georgia (42 percent and 16 percent, respectively). Conclusions. To the authors' knowledge, this is the first study in which investigators have quantified the prevalence of QOC in routine clinical practice. These results document a high prevalence overall, with wide variation in prevalence among The DPBRN's five main regions. Clinical Implications. QOC is common in routine practice and warrants further investigation regarding how best to manage it. [ABSTRACT FROM AUTHOR]

The article focuses on the study that examines the materials used by dentists in The Dental Practice-Based Research Network (DPBRN) in putting the first restoration on permanent posterior tooth surfaces. A cross-sectional study was conducted by DPBRN practitioner-investigators and informed consent was sought to patients. The study indicates that amalgam was more often used by practitioner-investigators than direct resin-based composite (RBC) for posterior carious lesions.