4.4 Article

Detection of Cavitated Proximal Carious Lesions in Permanent Teeth: A Visual and Radiographic Assessment

Journal

CARIES RESEARCH
Volume 56, Issue 3, Pages 171-178

Publisher

KARGER
DOI: 10.1159/000525193

Keywords

Dental caries; Minimal intervention dentistry; Proximal caries lesions; Dental radiography; Visual examination; Dental separation

Funding

  1. Chilean Government agency ANID
  2. [Fondecyt 1210188]

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The prevalence of cavitation in proximal carious lesions was estimated based on direct clinical assessment of previously detected radiographic lesions. Most D1 and D2 lesions were not cavitated, challenging conventional wisdom. Combining detection methods seems desirable to increase accuracy in assessing approximal posterior lesions. The low proportion of cavitated lesions reinforces the idea of cautiously indicating invasive approaches for managing proximal carious lesions.
Detection of proximal carious lesions involves the combination of clinical and radiographic methods, both with inherent difficulties. The present cross-sectional study is aimed at estimating the prevalence of cavitation in proximal carious lesions, based on a direct clinical assessment of previously detected radiographic lesions, in permanent molars and premolars. Proximal dental surfaces were radiographically evaluated using the ADA coding system and cavitation was determined through clinical visual examination of the surfaces after separation with elastomeric bands. One-hundred and twenty-six patients attending the dental clinics at the University of Talca were examined, comprising 508 proximal surfaces with radiographic codes ranging from E1 to D3. Two examiners were trained and calibrated for radiographic and clinical detection of proximal lesions. Most participants were females (61.9%). The age mean of participants was 28.7 (0.8) years old. A total of 22.2% of the examined surfaces were cavitated. Only few lesions coded as E1 (n = 4; 2.1%) and E2 (n = 9; 9.8%) were cavitated. Fifty D1 (35.5%) and 22 D2 (41.5%) lesions were cavitated after separation. Most lesions coded as D3 (n = 28; 84.8%) were cavitated. The multilevel binary regression model (p = 0.003) demonstrated that sex, age, jaw, tooth type, surface, and side were not associated with the likelihood of having proximal cavitation. Challenging conventional wisdom, most D1 and D2 lesions were not cavitated. Combining detection methods seems desirable to increase the accuracy in assessing approximal posterior lesions. The low proportion of cavitated lesions reinforces the idea of cautiously indicating invasive approaches for managing proximal carious lesions.

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