Orthodontic Treatment Characteristics and Outcomes in an Educational Setting

Table 2

Sample characteristics (N = 287).

Variable		N	Percent
Age	18 and under: ≤18 yrs	244	85.0
	older than 18: >18 yrs	43	15.0
Sex	Male	122	42.5
	Female	165	57.5
Ethnicity	White	238	82.9
	Hispanic	7	2.4
	Asian	9	3.1
	Black	30	10.5
	Other	3	1.0
ABO DI score	<10	79	27.5
	10 to 20	134	46.7
	>20	74	25.8
Malocclusion	Class I	129	44.9
	Class II div 1	93	32.4
	Class II div 2	42	14.6
	Class III	23	8.0
Missing teeth	No	258	89.9
	Yes	29	10.1
Impacted teeth	No	252	87.8
	Yes	35	12.2
Extraction treatment	No	214	74.6
	Yes	73	25.4
Interceptive phase	No	262	91.3
	Yes	25	8.7
Year debonded	2013	19	6.6
	2014	110	38.3
	2015	93	32.4
	2016	65	22.6
Early debond	No	233	81.2
	Yes	54	18.8
Treatment duration	Less than 36 m	181	63.1
	More than 36 m	106	36.9