Table 2.

Inclusion and exclusion criteria.

Selection Criteria	Inclusion Criteria	Exclusion Criteria
Language type	English	Non-English
Study type	Empirical studies including randomised controlled trials, nonrandomised clinical trials, cohort studies, case series	Review studies including narrative reviews, systematic reviews, literature reviews
Study Features	Flapless placement of implants Implant diameter up to and including 2.4 mm Mini implant-retained overdentures Maxillary cases Partial and complete edentulism	Adjunct surgical procedures used for implant placement Implant diameter of 2.4 mm and more Overdentures retained via other means Fixed partial dentures Mandibular cases
Analysis of clinical outcomes	At least one of the following parameters: Patient satisfaction and perception in regard to treatment Success and survival rate	Studies focusing on participants pre-treatment characteristics
Publication date	Publications from 2010 to present	Publications prior to 2010
Population	Human studies (all ages)	In vitro studies Animal studies
Selection criteria	Inclusion Criteria	Exclusion Criteria