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Predicting Caries by Measuring Its Activity Using Quantitative Light-Induced Fluorescence in vivo: A 2-Year Caries Increment Analysis

  • The aim of this study was to analyse the predictive power of several clinical baseline parameters and the de-/remineralisation properties of in vivo etched sites measured with quantitative light-induced fluorescence (QLF) for subsequent 2-year caries increment. At baseline, in 44 children (8.23 ± 1.5 years) two areas (diameter 2 mm) of the buccal surface of a primary posterior tooth were etched with 36% phosphoric acid gel for 1 and 4 min, respectively. The etched sites were analysed immediately after etching (ΔQ1) and 24 h (ΔQ2) later by QLF. Additionally, caries status (deft/DMFT and initial caries), approximal plaque, bleeding on probing, and the patient’s current use of fluorides were recorded. In the 2-year follow-up, 29 children were re-assessed. After clinical examination, the caries increment was calculated (ΔDMFT) and correlated with the baseline clinical variables and the QLF readings. Results showed a significant positive correlation between ΔQ<sub>1 min</sub> and the ΔDMFT (r = 0.44, p = 0.02). The ΔDMFT was significantly correlated with the baseline deft (r = 0.56, p = 0.002), cavitated active caries lesions (r = 0.52, p = 0.003), and filled teeth (r = 0.53, p = 0.003). In a regression analysis the use of fluoridated salt (SC = –0.10) and fluoride gel (SC = –0.14) were negatively associated with ΔDMFT. In conclusion, these findings suggest that the demineralisation properties of the etched sites and the outcome of the 24-hour measurements with QLF are significantly associated with caries increment. Previous caries experience strongly correlated with caries increment in this group of children.

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Author: C. Meller, R.M. Santamaria, T. Connert, C. Splieth
Pubmed Id:http://www.ncbi.nlm.nih.gov/pubmed?term=22614242
Parent Title (English):Caries Research
Publisher:S. Karger AG
Place of publication:Basel, Switzerland
Document Type:Article
Date of first Publication:2012/05/17
Release Date:2020/09/29
Tag:Caries activity, Caries risk, De- and remineralisation, Quantitative light-induced fluorescence
GND Keyword:-
First Page:361
Last Page:367
Faculties:Universitätsmedizin / Poliklinik für Kieferorthopädie, Präventive Zahnmedizin und Kinderzahnheilkunde
Licence (German):License LogoUrheberrechtlich geschützt