*2.2. PICO Question*

Bulleted lists look like this:


#### *2.3. Eligibility Criteria*

Inclusion criteria: (i) Studies in which a bone regeneration was performed using particulate bone graft (autologous and/or heterologous) and the use of titanium meshes; (ii) Clinical trials, cohort studies, and case series; (iii) Published in English or Spanish; (iv) Minimum 6 months follow-up period.

Exclusion criteria: (i) Studies performed in vitro or on animals; (ii) Systematic reviews, case reports, and expert opinions; (iii) Studies published before January 2000.
