Clinical Research Directory

Inclusion Criteria: * Voluntary agreement to participate in the study after the research procedures have been explained. * Being between 6 and 14 years of age. * Presence of at least one posterior tooth that is either sound with an ICDAS score of 0 or exhibits a non-cavitated occlusal carious lesion classified as ICDAS scores 1 or 2. * Having an occlusal surface suitable for standardized clinical and optical evaluation using Diagnodent Pen, Diagnocam, and QLF devices. * Absence of excessive plaque accumulation on the tooth surface to allow reliable measurements. Exclusion Criteria: * Declining participation in the study. * Being younger than 6 years or older than 14 years. * Presence of cavitated carious lesions (ICDAS ≥ 3) or teeth with Class II or Class III carious involvement. * Prior restorative treatment or the presence of fissure sealants on the relevant occlusal surface, which would compromise accurate optical assessment. * Tooth surfaces with excessive plaque accumulation that would hinder proper evaluation.