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Dentists’ knowledge about osteoporosis and their ability to identify the disease

Authors
  • Ferreira, Renato Vicente1
  • Roizenblatt, Suely2
  • Szejnfeld, Vera Lucia2
  • 1 Universidade Federal de Sao Paulo (UNIFESP), Sao Paulo, Brazil , Sao Paulo (Brazil)
  • 2 Universidade Federal de Sao Paulo (UNIFESP), Rua Angelina Maffei Vita 670, Sao Paulo, SP, CEP:01455070, Brazil , Sao Paulo (Brazil)
Type
Published Article
Journal
Advances in Rheumatology
Publisher
BioMed Central
Publication Date
Aug 09, 2021
Volume
61
Issue
1
Identifiers
DOI: 10.1186/s42358-021-00206-3
Source
Springer Nature
Keywords
Disciplines
  • Research
License
Green

Abstract

BackgroundOsteoporosis is an underdiagnosed condition, and its seriousness is not considered until severe complications arise. This study aimed to evaluate general dentists’ knowledge about osteoporosis and their ability to identify patients with this disease by assessing mandibular cortical width (MCW) and mandibular cortical index (MCI) on panoramic dental radiographs using a visual method.MethodsIn this cross-sectional study, an email questionnaire regarding the diagnosis and prevention of osteoporosis was sent to 20,773 dentists in 2016. Those who completed the questionnaire were invited to participate in radiomorphometric training and then to analyze the MCI and MCW of 114 panoramic radiographs of postmenopausal women who underwent both panoramic radiography and bone densitometry. Based on the radiomorphometric indices and while blinded to the densitometry results, the dentists determined whether they would indicate densitometry for these patients.ResultsThe response rate was 2.3%: 485 dentists completed the questionnaire, and 50 evaluated panoramic radiographs using the MCW and MCI. All of them reported some knowledge about osteoporosis, but 41.6% demonstrated a misleading conceptualization of the disease. Approximately 90% reported minimal access to this information during graduation, and only 27.0% were exposed to the topic during their postgraduate studies. Interest in osteoporosis prevention was expressed by 70.7% of the respondents, and interest in learning the radiomorphometric indices was expressed by 99.0%. The sensitivity in the detection of low bone mineral density through the MCW and MCI was 52.9%, and the specificity was 64%.ConclusionsBrazilian dentists demonstrated insufficient knowledge about osteoporosis and a low ability to detect osteopenia or osteoporosis by applying radiomorphometric indices.

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