Table 2.

Inclusion and exclusion criteria for this study.

	Inclusion criteria	Exclusion criteria
Study type	Randomized or nonrandomized controlled clinical trials; cohort studies; case-control studies; and preclinical, in vitro, and ex vivo studies	Letters to the editor, author or editorial opinion articles, epidemiological studies, gray literature, and unpublished data
Study subject	Dental implants, implant pins, implant drilling channels placed on humans or animals, and clinical simulated models	Implants that are not for dental use
Interventions	Implant surgery guided by ARa implant navigation, freehand method, template-based static guidance, and conventional navigation	Studies without implant placement guided by AR implant navigation
Measurements for evaluating the accuracy of the implant placement method	Positional deviations between the planned and actual placed implants that are expressed in numeric measurements	Studies without metric measurements
Outcomes	Lateral coronal deviation (mm), lateral apical deviation (mm), global coronal deviation (mm), global apical deviation (mm), depth deviation (mm), and angular deviation (°)	Studies where the positions of the placed implants could not be determined

^aAR: augmented reality.