Anatomical Evaluation of Root and Root Canal Configuration of Permanent Maxillary Dentition in the Population of the Kingdom of Saudi Arabia

Table 1

General characteristics of the included studies.

Study	Year	Region	Method	Investigation	No. subjects	Gender	Age	Type of teeth	No. of teeth
Agwan et al.	2015	Northern	In vivo; PA	MB roots	100	53M, 47F		First molars	100
Alfouzan et al.	2019	Central	In vitro; micro-CT	MB roots	NR	NR	NR	First molars	35
								Second molars	30
Al-Fouzan et al.	2013	Central	In vivo; PA	MB roots	NR	NR	NR	First molars	308
								Second molars	162
Al-Habib et al.	2021	Western	In vivo; CBCT	MB roots	106	44M, 62F	20–65	First molars	106
Almohaimede et al.	2021	Central	In vivo; CBCT	#roots; #canals; Vertucci	1328	565M, 763F	18–74	Canines	634
Al-Nazhan et al.	2012	Central	In vivo; CBCT	#canals	628	268M, 360F	NR	First premolars	463
								Second premolars	431
Al-Nazhan et al.	2005	Central	In vivo; PA	MB roots	332	171M, 181F	NR	First molars	352
Alqedairi et al.	2018	Central	In vivo; CBCT	#roots; Vertucci	NR	NR	16–71	First premolars	334
								Second premolars	318
Alrahabi et al.	2015	Western	In vitro; CBCT	#roots; #canals; Vertucci	NR	NR	20–60	First molars	100
Al-Shehri et al.	2017	Central	In vivo; CBCT	#roots; #canals; Vertucci	207	103M, 104F	16–75	First molars	351
Al-Swilem et al.	2018	Northern	In vivo; CBCT	MB roots	110	NR	NR	First molars	110
Al-Zubaidi et al.	2021	Northern	In vivo; CBCT	#roots; #canals; Vertucci	500	250M, 250F	18–60	First premolars	500
								Second premolars	500
Atieh et al.	2008	Eastern	In vitro; CBCT	#roots; #canals	NR	NR	NR	First premolars	246
Elhejazi et al.	2021	Central	In vivo; CBCT	#roots; #canals	100	55M, 45F	NR	First premolars	200
								Second premolars	200
								First molars	200
								Second molars	200
Elkady et al.	2013	Western	In vivo; CBCT	#roots; Vertucci	64	NR	NR	First premolars	120
								Second premolars	110
Elnour et al.	2016	Eastern	In vitro; micro-CT	#roots; #canals; Vertucci	NR	NR	NR	Second premolars	100
Maghfuri et al.	2019	Southern	In vitro; CBCT	#roots; #canals; Vertucci	NR	NR	NR	First molars	100
Mashyakhy et al.	2019	Southern	In vivo; CBCT	#roots; #canals; Vertucci	208	100M, 108F	17–62	Canines	384
Mashyakhy et al.	2021	Southern	In vivo; CBCT	#roots; #canals; Vertucci	208	100M, 108F	17–59	First premolars	351
								Second premolars	359

NR: not reported.