This study evaluates the effect of resin infiltration on dental sensitivity, quality of life, and satisfaction in children aged 7-14 with enamel defects in their front teeth. Forty children received treatment, and outcomes were measured through sensitivity tests and questionnaires for both children and parents.

Developmental enamel defects can negatively impact oral health-related quality of life by causing esthetic concerns and dental hypersensitivity in children. This prospective clinical study included 40 children aged 7-14 years diagnosed with hypomineralization or hypoplasia in their anterior teeth. All participants received resin infiltration treatment. Dental hypersensitivity was evaluated pre- and post-treatment using the Schiff Cold Air Sensitivity Scale (SCASS). Oral health-related quality of life was assessed using the Pediatric Oral Health-Related Quality of Life (POQL) scale through both child and parent forms. Post-treatment esthetic satisfaction levels were recorded based on reports from both children and their parents. The study aimed to determine the impact of resin infiltration on improving sensitivity, quality of life, and satisfaction in this population.

Inclusion Criteria:

• Children aged between 7 and 14 years.
• Children in good general health without any systemic disease.
• Presence of at least one anterior permanent tooth with hypomineralization or hypoplasia.
• Teeth with lesions larger than 1 mm that are suitable for resin infiltration treatment.
• Voluntary participation of both the child and their parent/guardian in the study, with signed informed consent.

Exclusion Criteria:

• Children with systemic diseases or undergoing medical treatment.
• Cases with active caries, trauma, restorations, or endodontic treatment applied or required on anterior teeth.
• Individuals who have previously received resin infiltration or similar treatment on the same tooth.
• Children with a history of allergies or sensitivity to the materials used in the procedure.
• Individuals who have received interventions such as fluoride varnish, fissure sealants, or tooth whitening on their teeth.
• Children who do not possess the cognitive ability to understand and respond to the questionnaire or sensitivity assessment.

The individual participant data (IPD) will not be shared due to patient confidentiality concerns and restrictions imposed by the informed consent forms. Additionally, the data contain sensitive personal health information, and sharing is limited to protect participant privacy in accordance with ethical guidelines and institutional policies.