The Relationship between Personality Profiles and the Esthetic Perception of Orthodontic Appliances

Table 7

Differences in the personality traits of the laypeople group, according to the type of orthodontic treatment chosen.

Personality traits	Orthodontic treatment	N	Mean	Standard deviation	t	df	p	d
Neuroticism	Aligners	216	23.89	8.38	−2.176	320	0.030	−0.258
	Brackets	106	26.08	8.77
Extraversion	Aligners	216	30.25	5.88	0.885	320	0.377	0.105
	Brackets	106	29.64	5.62
Openness	Aligners	216	29.57	5.12	2.160	320	0.032	0.256
	Brackets	106	28.27	4.94
Agreeableness	Aligners	216	33.89	4.60	3.143	320	0.002	0.373
	Brackets	106	32.16	4.74
Conscientiousness	Aligners	216	35.06	6.09	0.393	320	0.695	0.047
	Brackets	106	34.78	5.67

N = frequencies; t = t-test; df = degrees of freedom; p = significance; d = Cohen test, effect size.