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. 2018 Oct 2;2018(10):CD007161. doi: 10.1002/14651858.CD007161.pub3

Summary of findings 3. Enamel matrix protein (EMP) + coronally advanced flap (CAF) compared to CAF for treating adult patients with single recession‐type defects (short term).

EMP + CAF compared to CAF for adult patients with single recession‐type defects (short term)
Patient or population: adult patients with single recession‐type defects
 Setting: university/dental hospital
 Intervention: EMP + CAF
 Comparison: CAF
Outcomes Anticipated absolute effects* (95% CI) Relative effect
 (95% CI) Number of participants
 (studies) Certainty of the evidence
 (GRADE) Comments
Risk with CAF Risk with EMP + CAF
Aesthetic condition change related to patient's opinion Not reported
Gingival recession depth change
 Follow‐up: range 6 months to 12 months The mean gingival recession depth change ranged from 2.16 to 3.80 mm MD 0.07 mm higher
 (0.25 lower to 0.40 higher) 136
 (3 RCTs) ⊕⊕⊝⊝
 LOW1 1 parallel‐design and 2 split‐mouth studies were included
Clinical attachment level change
 Follow‐up: range 6 months to 12 months The mean clinical attachment level change ranged from 2.18 to 3.80 mm MD 0.22 mm higher
 (0.02 lower to 0.45 higher) 136
 (3 RCTs) ⊕⊕⊝⊝
 LOW1 1 parallel‐design and 2 split‐mouth studies were included
Keratinized tissue width change
 Follow‐up: range 6 months to 12 months The mean keratinized tissue width change ranged from ‐0.30 to ‐0.53 mm MD 0.35 mm higher
 (0.13 higher to 0.56 higher) 136
 (3 RCTs) ⊕⊕⊝⊝
 LOW1 1 parallel‐design and 2 split‐mouth studies were included
*The risk in the intervention group (and its 95% CI) is based on the assumed risk in the comparison group and the relative effect of the intervention (and its 95% CI).
 
 CAF: coronally advanced flap; CI: confidence interval; EMP: enamel matrix protein; MD: mean difference; RCT: randomised controlled trial.
GRADE Working Group grades of evidenceHigh certainty: we are very confident that the true effect lies close to that of the estimate of the effect.
 Moderate certainty: we are moderately confident in the effect estimate: the true effect is likely to be close to the estimate of the effect, but there is a possibility that it is substantially different.
 Low certainty: our confidence in the effect estimate is limited: the true effect may be substantially different from the estimate of the effect.
 Very low certainty: we have very little confidence in the effect estimate: the true effect is likely to be substantially different from the estimate of effect.
1Downgraded 1 level for inconsistency and 1 level for imprecision.