Ayub 2012.

Methods	RCT, split‐mouth design, 2 treatment groups, 6 months' duration
Participants	15 individuals, number of females not reported, aged 20 to 56 years, with 2 bilateral Miller Class I or II buccal gingival recessions of at least 3 mm
Interventions	1. ADMG (positioned 1 mm apical to the cemento‐enamel junction) + CAF (extended flap) 2. ADMG + CAF (extended flap)
Outcomes	GRC*(1) CALC*(1) KTC SCRC PCRC MRC (Automated controlled force probe and manual probe)
Notes	University/hospital‐based and supported by the State of São Paulo Research Foundation and BioHorizons Inc
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Low risk	Computer‐generated randomly permuted block
Allocation concealment (selection bias)	Low risk	Adequate ‐ sealed envelope
Blinding of participants and personnel (performance bias) All outcomes	Unclear risk	Information not reported
Blinding of outcome assessment (detection bias) All outcomes	Unclear risk	Information not reported
Incomplete outcome data (attrition bias) All outcomes	Low risk	All patients completed the follow‐up period
Selective reporting (reporting bias)	Low risk	Evidence of selective reporting of outcomes was not detected
Other bias	Low risk	Evidence of other bias was not detected