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. 2020 Oct 23;2020:8810641. doi: 10.1155/2020/8810641

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.