Hall Technique or Modified Hall Technique of Deep Carious Lesions in Primary Molars

Inclusion Criteria: * Medically healthy children * Participants attending follow-up appointments * Children having at least one primary molar tooth with deep dentin caries involving occluso proximal surfaces. Tooth inclusion criteria: * Vital pulp with symptom-free or reversible pulpitis * Presence of marginal ridge breakdown and accessible cavity with hand instruments, * Presence of active cavitated carious lesion (Code 3 with Nyvad criteria for caries lesion activity and severity assessment- Nyvad et al., 1999) * Absence of spontaneous or prolonged pain related with irreversible pulpitis * Absence of fistula or abscess near the tooth * Absence of pathological mobility * Absence of pain on percussion * Absence of pulp exposure * Caries lesion located in ½ inner part of dentin radiographically * Presence of sound dentin layer between the deepest part of the carious lesion and the pulp radiographically * Absence of periapical or furcation pathologies on radiographs * Absence of internal and external root resorption on radiographs * More than ½ of root remaining Exclusion Criteria: * Any systemic disease, physical or mental disorder * Children or parents who doesn't accept to participate and sign the informed consent * Clinical or radiographic signs of pulpal or peri-radicular pathology * Caries cavity which cannot be accessible to hand instruments * Physiological root resorption more than 1/2 of the root in primary molars