Table 3.

Medline Ovid search strategy

1	exp “cone-beam computed tomography”/
2	(“cone-beam computed tomography” or “cone-beam CAT scan$” or “conebeam CT scan$” or “cone-beam CT” or “cone-beam computer-assisted tomography” or “cone-beam computeried tomography” or “cone-beam computed tomography”).mp.
3	(“volume CT” or “volume computed tomography” or “volumetric CT” or “volumetric computed tomography”).mp.
4	(“digital volumetric tomography” or “digital volume tomography”).mp.
5	(cbct or qcbct).mp.
6	or/1–5
7	exp dentistry/
8	exp tooth diseases/di, dg
9	(oral or dental or intra-oral or intraoral or dentist$).mp.
10	(caries or carious or (tooth adj3 decay) or (teeth adj3 decay)).mp.
11	((tooth or teeth or dental) adj5 (infect$ or diseas$ or trauma$ or injur$ or luxat$ or avuls$)).mp.
12	exp Mouth abnormalities/
13	(orthodontic$ or malocclusion or cleft$ or “open bite” or “deep bite” or ((tooth or teeth) adj crowd$) or “cross bite” or crossbite).mp.
14	or/7–13
15	exp Child/
16	adolescent/
17	(minors or minor or boy or boys or boyhood or girl$ or kid or kids or child or child$ or children$ or schoolchild$ or “school child$” or adolescen$ or juvenil$ or youth$ or teen$ or underage$ or pubescen$ or pediatric$ or paediatric$ or peadiatric$ or school).mp.
18	tooth, deciduous/
19	((tooth or teeth or dentition) adj3 (primary or milk or deciduous or baby)).mp.
20	or/15–19
21	6 and 14
22	20 and 21

Lines 15–20 of the search strategy were adapted from Leclercq et al. (2013). The Embase Ovid search strategy is not presented as it was essentially the same, with only minor differences in terms, e.g. for Embase Ovid, line 12 was “Mouth malformation/di” and line 18 was “Deciduous tooth/”