Table 4.

A: Comparison on overall performance of cavity preparation (scale range 5 to 15) (n = 138, Study 1). B: Re-coded comparison on overall performance of cavity preparation (scale range 5 to 15) (n = 138, Study 1).

A
Scores	Haptics (n = 47)	Phantom (n = 79)
10	3 (6%)	1 (1%)
11	4 (9%)	4 (5%)
12	9 (19%)	8 (10%)
13	19 (40%)	21 (27%)
14	8 (17%)	35 (44%)
15	4 (9%)	10 (13%)
Mean	13.46	12.79
	chi2 = 13.42	(p = 0.02)
B
Score	Haptic	Phantom
<=13	35 (74%)	34 (43%)
>=14	12 (26%)	45 (57%)
Fisher Exact Test (p = 0.0)