Research Article
Success Rate of Microimplants in a University Orthodontic Clinic
Table 2
Univariate analysis of factors associated with microimplant success.
| Clinical variable | Success rate (%) | Success rate () | Significance ( value) |
| Overall success | 87.8 | 122/139 | | Gender | | | | āMale | 95.5 | 42/44 | .06 | āFemale | 84.2 | 80/95 | Oral hygiene | | | | āGood | 92 | 69/75 | .01 | āFair | 96 | 48/50 | āPoor | 35.7 | 5/14 | Jaw | | | | āMaxilla | 87.6 | 85/97 | .93 | āMandible | 88 | 35/42 | Side | | | | āRight | 86.3 | 57/66 | .63 | āLeft | 89 | 65/73 | Site | | | | āAnt. to premolars | 94.4 | 17/18 | .59 | āPost. to premolars | 86 | 99/115 | āRetromolar area | 100 | 5/5 | āPalatal area | 100 | 1/1 | Skeletal Relation | | | | āClass I | 92.8 | 78/84 | .07 | āClass II | 80 | 36/45 | āClass III | 80 | 8/10 | Dental Relation | | | | āClass I | 89.1 | 66/74 | .86 | āClass II | 86.2 | 44/51 | āClass III | 85.7 | 12/14 | Mandibular angle | | | | āHigh (>28Ā°) | 72.5 | 29/40 | .006 | āAverage (17ā28Ā°) | 93.2 | 82/88 | āLow (<17Ā°) | 81.8 | 9/11 | Overbite | | | | āOpen (<1āmm) | 87.5 | 14/16 | .47 | āNormal (1ā4āmm) | 90 | 81/90 | āDeep (>4āmm) | 81.81 | 27/33 | Implant type | | | | āA (Indian) | 89.5 | 86/96 | .33 | āB (Absoanchor) | 83.7 | 36/43 | Type of insertion | | | | āSelf drilling | 83.7 | 31/37 | .39 | āSelf tapping | 89.2 | 91/102 | Vertical position | | | | āAttached gingiva | 91 | 112/123 | .001 | āMoveable gingiva | 62.5 | 10/16 | Time of loading | | | | āImmediate | 89.79 | 88/98 | .26 | āAfter 1 week | 82.92 | 34/41 | Purpose | | | | āMol. protraction | 94.4 | 17/18 | .25 | āMol. distalisation | 100 | 13/13 | āIntrusion | 92.8 | 13/14 | āAnt retraction | 84 | 79/94 | Mode of loading | | | | āNi Ti coil | 100 | 12/12 | .49 | āStain. steel coil | 81.8 | 18/22 | āE-chain | 87.5 | 77/88 | āLoop mechanics | 88.2 | 15/17 | Force direction | | | | āHorizontal | 88.9 | 105/118 | .26 | āVertical | 86.6 | 13/15 | āBoth | 66.6 | 4/6 | Anchorage | | | | āDirect | 87.5 | 98/112 | .84 | āIndirect | 88.8 | 24/27 | Inflammation | | | | āYes | 50 | 113/121 | .01 | āNo | 93.3 | 9/18 |
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