Table 3 Search results from international databases: Ovid-Medline

P (Population)

1

exp Dental Implants/ OR ((tooth or teeth or dental) AND implant$).mp

40,053

I (Intervention)

2

exp Cone-Beam Computed Tomography/ OR CBCT.mp

7951

3

exp Radiography, Dental/ OR (intraoral radiogra$ OR dental radiogra$).tw

20,874

4

(imaging or radiolog$ or radiograp$).tw

843,422

5

OR/2–4

856,832

P&C (Comparators)

6

1 AND 5

6156

Guideline filter

7

(guideline$ or recommendation$).ti. or (practice guideline or guideline).pt

99,097

Generalization

8

6 AND 7

18