Table 4 Search results from international databases: Ovid-Embase

P

1

‘tooth implant’/exp. OR ‘(tooth or teeth or dental) implant*’:ab,ti

8382

C

2

“cone-beam computed tomography”/exp. OR CBCT:ab,ti

15,233

3

“tooth radiography”/exp. OR (“intraoral radiogra*” OR “dental radiogra*”):ab,ti

18,639

4

(imaging or radiolog* or radiograp*):ab,ti

528,111

5

OR/2–4

550,071

P&C

6

1 AND 5

1761

Guideline filter

7

guideline*:ti OR–recommendation*:ti

125,695

Generalization

8

6 AND 7

5