Changes in lips, cheeks and tongue pressures after upper incisor protrusion in Class II division 2 malocclusion: a prospective study

Progress in Orthodontics

Table 3 Two-way ANOVA results for the pressure measurements

	p
	Malocclusion	Treatment	Malocclusion treatment
Upper lip pressure (kPa)	0.271	0.000**	0.414
Lower lip pressure (kPa)	1.000	0.005*	0.001*
Vertical lip pressure (kPa)	0.149	0.000**	0.002*
Left buccal pressure (kPa)	0.578	0.065	0.002*
Right buccal pressure (kPa)	0.864	0.725	0.224
Swallowing tongue pressure (kPa)	0.751	0.198	0.291
Maximum tongue pressure (kPa)	0.108	0.826	0.503