Retention Protocols and Factors Affecting Retainer Choice among Iraqi Orthodontists

Table 4

Fixed retainer (%).

	Gender		Work sector			Practice (years)				Total
	M	F	Private	MOH	College	<5	5–10	>10
Q15) Most common indication of a fixed retainer is after treatment of
Spacing	80	72	85	62	29	80	87	68		77
Crowding	9	6	9	3	0	14	4	7		8
Rotation	9	18	4	34	53	6	9	18		13
Open bite	3	4	2	0	18	0	0	7		8
Q16) The most preferred fixed retainer used is
Bonded to four incisors	5	7	7	3	6	12	4	4		6
Bonded to canines and incisors	86	71	84	76	47	80	78	80		80
Bonded from first premolar to first premolar	9	17	8	14	47	6	16	13		12
Bonded to canines only	0	5	1	7	0	2	2	2		2
Q17) The most frequent contraindications for fixed retainers
Poor oral hygiene, periodontal problems, and caries	77	50	72	52	35	78	71	55		65
Occlusion (deep bite)	19	33	21	48	18	18	18	33		25
Time, cost, and maintenance of fixation	3	17	7	0	47	2	11	12		9
Patient motivation	1	0	1	0	0	2	0	0		1
Q18) Method of fabrication of the fixed retainer
Directly inside the patient mouth	82	66	84	52	35	76	85		68	75
On study cast by orthodontist	17	34	15	48	65	22	15		30	24
On study cast by technician	2	0	1	0	0	2	0		1	1
Q19) Usually when do you remove fixed retainers?
Wear retainers forever	41	72	49	69	71	46	51		60	54
>2 years after debonding	29	17	26	17	12	22	27		23	24
<2 years after debonding	19	6	15	7	18	30	7		9	14
After 3rd molars have erupted or extracted	11	5	10	7	0	2	15		9	9
Q20) Most common wire used as a fixed retainer is
Dead soft multistrand wire	25	45	28	45	59	22	20		48	34
Multistrand rectangular SS wire	31	29	33	24	18	48	38		16	30
Multistrand round SS wire	37	23	32	31	24	18	40		34	31
Chain	5	1	5	0	0	8	2		2	4
Glass fiber	1	1	1	0	0	4	0		0	1
Q21) Number of checkups after placement of the fixed retainer
Once	3	0	1	3	6	4	0		2	2
Twice	8	4	5	7	12	10	5		4	6
Three times	22	11	19	7	18	30	16		11	17
More than three	29	13	26	14	0	20	31		18	22
On breakage or debond of the retainer	38	72	48	69	65	36	47		64	52
Q22) How often do you usually observe failure of a fixed retainer?
Twice during the whole retention period	37	23	34	21	18	44	36		21	31
Once during the whole retention period	38	28	38	17	24	18	42		38	34
More than twice during the whole retention period	13	37	15	48	53	10	15		35	23
Never	12	12	13	14	6	28	7		7	12
Q23) Type of bonding material used to fix the fixed retainer
Flowable composite	62	45	60	34	47	78	67		35	55
Orthodontic bonding material	13	39	18	45	41	10	5		42	24
Normal composite	25	16	23	21	12	12	27		23	21

M, male; F, female; MOH, Ministry of Health.