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Table 2 Treatment failures by type and arm at 36-month follow-up (n = 131)

From: Atraumatic restorative treatment compared to the Hall Technique for occluso-proximal carious lesions in primary molars; 36-month follow-up of a randomised control trial in a school setting

 

Outcome criteria

Success

Minor failure

Major failure

Lost to follow-up

ART

23 (35%)

28 (43%)a,b

5 (8%)d

9 (14%)

HT

54 (82%)

1 (1.5%)c

1 (1.5%)d

10 (15%)

  1. aRestoration fracture/wear ≥ 0.5 mm—intervention required = 4 (6%)
  2. bRestoration loss—tooth can be re-restored = 24 (37%)
  3. cCrown loss—tooth can be re-restored
  4. dIrreversible pulpitis, dental abscess or fistula—requires pulpotomy or extraction