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. Author manuscript; available in PMC: 2020 Dec 15.

Published in final edited form as: Clin Oral Investig. 2019 Mar 5;23(12):4255–4262. doi: 10.1007/s00784-019-02870-8

Table 1.

Pre- and postoperative parameters evaluated according to group

	WaveOne Gold		XP Shaper
Parameter	Mean ± SD	Median (range)	Mean ± SD	Median (range)
Preoperative
Length (mm)	15.17 ± 1.68	15.50 (12.50–17.00)	15.28 ± 1.42	16.00 (12.00–16.50)
Curvature angle	41.56 ± 13.07	43.00 (25.00–59.00)	40.78 ± 13.41	36.00 (29.00–69.00)
Curvature radius	6.58 ± 1.21	6.88 (4.37–7.93)	6.26 ± 0.97	6.17 (4.87–8.00)
Volume (mm³)	1.28 ± 0.54	1.12 (0.62–2.39)	1.76 ± 0.53	1.52 (1.32–2.53)
Postoperative
Dentine removed (mm³)	2.53 ± 0.95	2.87 (0.76–3.39)	2.85 ± 0.94	2.68 (1.83–4.61)
Debris remaining (mm³)	0.39 ± 0.51	0.12 (0.00–1.21)	0.16 ± 0.19	0.09 (0.02–0.58)
Unprepared area (%)	2.80 ± 2.98	1.29 (0.22–8.71)	2.45 ± 1.12	1.96 (0.82–4.27)

SD standard deviation

No statistically significant difference was found between groups (unpaired t test, P > 0.05)