Accuracy assessment of implant placement with versus without a CAD/CAM surgical guide by novices versus specialists via the digital registration method: an in vitro randomized crossover study

Table 5 The Comparison results between two groups of practitioners’ experience (Group S vs. I)

Method	Measurement	Mean ± SD		Difference	Statistical method	P
Method	Measurement	Group S	Group I
SG	Coronal distance deviation	0.64 ± 0.35	0.52 ± 0.32	0.12	Mann–Whitney U test	0.383
	Apical distance deviation	1.09 ± 0.55	0.88 ± 0.42	0.21		0.347
	Angular deviation	2.89 ± 1.68	2.38 ± 1.48	0.51		0.460
FH	Coronal distance deviation	1.05 ± 0.52	0.60 ± 0.22	0.45	Mann–Whitney U test	0.006^**
	Apical distance deviation	1.63 ± 0.67	0.78 ± 0.31	0.86		< 0.001^***
	Angular deviation	5.58 ± 2.66	2.44 ± 1.15	3.14		< 0.001^***

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