3. Unuseable published data related to maximum mouth opening at 7 days.

Studies	Comparisons	Subgroup	Reasons
Şimşek Kaya 2019	Flap design	Modified triangular flap vs envelope	Trismus data were presented as a percentage of the differences between measurements.
Acar 2017	Suturing techniques	Horiztonal mattress vs simple interrupted suturing	Unable to calculate MD and SE from data available
Kumar 2015	Wound closure with autologous platelet concentrates	PRF vs none	Trismus data were presented as a percentage of the differences between pre‐ and postoperative measurements.
Uyanik 2015	Wound closure with autologous platelet concentrates	PRF or a combination of PRF and piezoelectric surgery vs conventional rotatory osteotomy	Trismus data were presented as a percentage of the differences between measurements.

PRF: platelet rich fibrin; vs: versus.