Table 2.

Inter- and intra-individual variations of joint angle frequency during molar brushing

		Buccal			Palatal
	Angle	Estimate (SE)	Intra-individual	Inter-individual	Estimate (SE)	Intra-individual	Inter-individual
Right	ϕ s	3.93 (0.15)	0.07	0.18	4.21 (0.19)	0.03	0.31
	ψ s	3.94 (0.16)	0.08	0.20	4.18 (0.19)	0.03	0.32
	θ e	3.96 (0.16)	0.06	0.20	4.22 (0.18)	0.03	0.30
	α w	3.98 (0.15)	0.04	0.18	4.21 (0.19)	0.03	0.30
	β w	3.98 (0.16)	0.08	0.20	4.24 (0.20)	0.05	0.34
Left	ϕ s	4.36 (0.20)	0.02	0.35	4.33 (0.18)	0.02	0.27
	ψ s	4.33 (0.20)	0.02	0.33	4.36 (0.17)	0.02	0.26
	θ e	4.35 (0.20)	0.02	0.35	4.37 (0.18)	0.03	0.28
	α w	4.37 (0.19)	0.02	0.32	4.38 (0.19)	0.03	0.31
	β w	4.35 (0.18)	0.08	0.27	4.43 (0.17)	0.02	0.25