Intraoral scanners in dentistry: a review of the current literature

BMC Oral Health

Table 3 Clinical indications and contraindications of IOS

Field	Indication	Contraindication
Prosthodontics	Resin inlays/onlays [65, 66]	Long-span fixed partial dentures and/or fixed full arches (6–8 elements) [7, 8, 35, 37, 39]
	Zirconia copings [67, 68]	Long-span implant-supported fixed partial dentures and/or fixed full arches (6–8 implants) [39, 117, 118]
	Single-tooth restorations in lithium disilicate [69,70,71,72,73,74], zirconia [19, 75,76,77], all ceramic [79,80,81]	Complete removable prostheses [57, 121]
	Frameworks and fixed partial dentures in zirconia (4–5 elements) [82,83,84,85,86,87]
	Single-implant crowns [21, 22, 89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104]
	Implant bridges (4–5 implants) [104,105,106,107,108,109,110,111,112,113]
	Implant-supported bars (≤4 implants) [114,115,116]
	Posts and cores [123]
	Partial removable dentures [119, 120]
	Digital smile design [122]
	Obturators [124, 125]
Implantology	Guided implant surgery [126,127,128,129,130]
Orthodontics	Diagnosis and treatment planning [3, 5, 6, 12, 15, 16, 25, 27, 131, 132]
	Aligners [3, 132]
	Custom-made devices [3, 132]
	The virtual patient [130]

ISSN: 1472-6831