Association between caries location and restorative material treatment provided.
OBJECTIVE
This cross-sectional study by the Northwest PRECEDENT practitioners correlated the location of caries diagnosed in the past 12 months with treatment provided.


METHODS
An oral health survey was conducted on up to 20 patients per practice for 101 practises in the Northwest PRECEDENT network. A total of 1943 eligible patients were randomly assessed for the location of and treatment provided for caries lesions diagnosed within the past 12 months. Regression analysis using generalized estimating equations (GEE) was performed to assess association of treatment to tooth location and surface characterization, adjusting for age, practice location (urban/rural), dentist gender, and experience level. The analysis accounts for clustering by practice using robust variance estimates.


RESULTS
Overall, 55.4% of patients exhibited recent caries and 42.8% received treatment for at least one permanent tooth. 18% of treated teeth were treated with amalgam, and 72% were treated with composite. This percentage varied as a function of tooth surface characteristics, patient characteristics, and dentist characteristics. The results suggest that restoration selection does depend on tooth type and which surfaces are being restored. The odds of a molar receiving an amalgam restoration are 2.44 (95% CI=1.81-3.30) times higher as compared to a bicuspid, adjusting for all other covariates. When the restoration includes the occlusal surface of a tooth the odds are 0.42 (95% CI=0.20-0.89) times as great that amalgam will be placed. When the restoration includes the mesial or distal surface of the tooth the odds for amalgam restoration are 2.49 (95% CI=1.25-4.95) times higher compared to when it does not include these surfaces.


CONCLUSIONS
Restorative material choice varied based on caries location and practitioner gender.
School of Dentistry, Oregon Health Science University, 611 SW Campus Drive, Portland, OR 97239, USA. lubisice@ohsu.edu
Erinne B
EB
Lubisich
Thomas J
TJ
Hilton
Jack L
JL
Ferracane
Hristina I
HI
Pashova
Bruce
B
Burton
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002983:Clinical Competence; D055812:Community-Based Participatory Research; D003188:Composite Resins; D003430:Cross-Sectional Studies; D003723:Dental Amalgam; D003731:Dental Caries / Q000473:pathology / Q000628:therapy*; D003793:Dental Restoration, Permanent / Q000379:methods*; D005260:Female; D006801:Humans; D016014:Linear Models; D008297:Male; D008875:Middle Aged; D019239:Practice Patterns, Dentists' / Q000706:statistics & numerical data*; D011365:Professional Practice Location; D012737:Sex Factors; D014070:Tooth; D016526:Workload; D055815:Young Adult
D003188:Composite Resins; D003723:Dental Amalgam
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