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Table 3 Evaluation criteria for the assessment of treatments (modified from Innes et al. [21])

From: Atraumatic Restorative Treatment compared to the Hall Technique for occluso-proximal cavities in primary molars: study protocol for a randomized controlled trial

Success

• satisfactory restoration/crown, no intervention required

• no clinical signs or symptoms of pulp pathology

• tooth exfoliated

Minor Failures

• secondary caries, or new lesions detected clinically

• crown presents perforation

• restoration fracture or wear - intervention required

• loss of restoration - tooth that can be re-restored

• crown loss - tooth able to be re-treated

• reversible pulpitis, which could be treated without the need for extraction or pulpotomy

Major Failures

• irreversible pulpitis or dental fistula/abscess, requiring pulpotomy or extraction

• loss of restoration/crown - tooth does not capable of being re-restored