Does the addition of cone-beam CT to panoral imaging reduce inferior dental nerve injuries resulting from third molar surgery? A systematic review

Table 3 Included studies by sample size and incidence of nerve injury by intervention group

Author (Year)	Sample size (MTMs)	Overall incidence of nerve injury	OPG		CBCT		P- value
Guerrero et al. (2012)	86		43		43
Cases of nerve injury	2	2.3%	1	2.3%	1	2.3%	1
Guerrero et al. (2014)	256		130		126
Cases of nerve injury	7	2.7%	5	3.8%	2	1.6%	0.45
Permanent nerve injury	No information
Ghaeminia et al. (2015)	320		164		156
Subjective nerve injury	20	6.3%	9	5.5%	11	7.1%	0.64
Objective nerve injury	16	5%	8	4.9%	8	5.1%	1
Permanent nerve injury	7	2.2%	2	1.3%	5	3.2%	0.27
Badawy et al. (2016)	20		10		10
Cases of nerve injury	0		0		0		1
Peterson et al. (2016)	230		116		114
Cases of nerve injury	34	14.8%	13	11.2%	21	18.4%	0.13
Permanent nerve injury	2	0.90%	1		1		1
Korkmaz et al. (2017)	139		67		72
Cases of nerve injury	14	10.1%	11	16.4%	3	4.2%	0.017*
Permanent nerve injury	0
Mabongo & Thekiso (2019)	93		55		38
Cases of nerve injury	13	14%	5	9.1%	8	21.1%	0.85
Permanent nerve injury	1	1.1%

MTM = Mandibular Third Molar, OPG = Orthopantomogram, CBCT = Cone-beam Computed Tomography, * = significant result

ISSN: 1472-6831