Which cement holds Kids' crowns best? new study aims to find out

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Patients with consenting parents, * Patients with carious lesions on 2 or more faces of maxillary incisors or interface caries * Those whose related teeth have not undergone pulp treatment, * Patients without periodontal-related attachment loss, without tooth loss as a result of periodontal pathology, * Those requiring treatment with general anaesthesia * Score 1 and score 2 on the Frankl behaviour scale * Those without a history of allergy (such as local anaesthesia, medication, resin-based restorative materials), * Not requiring endocarditis prophylaxis, * No hypoplasia and hypomineralisation of teeth, * Patients whose permanent teeth are more than 1 year away from eruption * Patients with vital teeth and no complaints of percussion, palpation tenderness, nocturnal waking pain and no abscess and/or fistula * Teeth with a healthy lamina dura and periapical appearance * Teeth without mobility and pathological gingival pockets * Teeth with physiological root resorption not exceeding the apical 1/3 level, * No more than 2 mm alveolar bone loss in the interproximal region on the radiograph of the tooth, * No pathological internal or external root resorption, * It has a permanent tooth underneath and its position is normal, * Patients with a flush terminal closure relationship will be included in the study. Exclusion Criteria: * Teeth with periapical infection, abscess or mobility, * In cases where the depth of the gingival pocket exceeds 3 mm, * In the presence of pathological mobility, * In the presence of congenital developmental defects (amelogenesis imperfecta, dentinogenesis imperfecta), * In teeth in infraocclusion, * Patients with abnormal bite due to dental or skeletal orthodontic anomalies, * In the presence of pathological internal or external resorption, * In cases where radiographic bone loss of more than 2 mm in the interdental region is observed * Those with active periodontal disease, * Traumatised teeth, * In cases where the overjet is more than 2 mm, * Patients with deep bite * Cases where the opposite tooth is missing, * Patients with systemic diseases (diseases of the cardiovascular system, endocrine system, urinary system, central nervous system, mental disorders, etc.), * Dangerous medical conditions or harmful oral habits, * Children with bruxism or unilateral chewing habits will not be included in the study. Those who wish to withdraw from the study at any stage will be excluded from the study.