A Retrospective Clinical Audit of Bracket Failure among Patients Undergoing Orthodontic Therapy

Table 1

Sample characteristics.

	Category	Number	%
Total patients		122
Patients with bond failure		39	32
Patients by gender	Male	35	28.7
	Female	87	71.3
Distribution by malocclusion type	Class I	68	55.7
	Class II	50	41
	Class III	4	3.3
Mean age		19.9 ± 4.64
Distribution of malocclusion by age	Below 12	2
	12–16	25
	17–20	43
	Above 20	52
Distribution of malocclusion by gender
Class I	Male	17
	Female	51
Class II	Male	15
	Female	35
Class III	Male	3
	Female	1
Number of teeth	Before starting treatment	2440
	Therapeutic extraction	200
Number of brackets		2240
Number of bracket failures		75	3.34
Patients by operator	Operator 1	57
	Operator 2	65
Site of failure	Maxillary right	6	17.6%
	Maxillary left	13	38.2%
	Mandibular left	5	14.7%
	Mandibular right	10	29.4%