Caries Clinical Trial - Evaluation of Caries Detection Methods

Status Not yet recruiting

Clinical Trial Summary

The investigators aim will be to compare the diagnostic performance of clinical visual examination (ICDAS II), intraoral/bite wing radiography (BW), near infrared light transillumination (NIR-LT), and laser fluorescence (LF), in comparison to microcomputed tomography (micro-CT) for the detection of non-cavitated occlusal enamel and dentin caries in third molar teeth. Potential participants will be consecutively recruited.

Clinical Trial Description

Studies regarding comparison of diagnostic techniques for caries detection are generally conducted under in vitro conditions due to ethical concerns. Considering the many recently published in vitro studies which attempted to assess the diagnostic ability of different caries diagnosis systems, it is not possible to know at what rate in vitro findings are applicable to the clinical situation.The investigators would like to assess initial occlusal caries lesions by using different diagnostic methods under in vivo conditions. In the present study, the investigators will assess diagnostic accuracy of clinical visual examination (ICDAS II), digital intraoral radiography, near infrared light transillumination (NIR-LT), and laser fluorescence (LF), by examining third molar teeth in comparison to gold standard micro-CT images. The null hypothesis of the study is that no significant difference exists for the clinical performance of the evaluated methods in detecting non-cavitated occlusal caries in either the enamel or the dentin. This prospective study will include 101 third molars of 101 patients with non-cavitated occlusal caries requiring extraction. ICDAS II, BW, NIR-LT and LF examinations will be carried out by two examiners. Gold standard will be determined by micro-CT imaging after extraction. Intraclass correlation coefficient (ICC) value will be calculated for examiner agreement. Accuracy rate, sensitivity, specificity, predictive values and areas under receiver operating characteristic curves (Az) will be calculated. Clinical application time and patient comfort/pain analysis will be compared. Nonparametric variables will be assessed by Kruskal Wallis Test. Significance level will be set at p<0.05. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05064566
Study type	Observational
Source	Mersin University
Contact	Nazan Koçak Topbas, PhD
Phone	+905458297898
Email	nazankocak@mersin.edu.tr
Status	Not yet recruiting
Phase
Start date	October 20, 2021
Completion date	December 20, 2022

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.