Table 1.
Distribution of 345 patients according to ideal treatment category, prior orthodontic treatment, or missing teeth
| Missing teeth | ||||||||
|---|---|---|---|---|---|---|---|---|
| Overall | Prior orthodontic treatment |
Any | Any tooth other than 3rd molar |
|||||
| N | % | N | Row % | N | Row % | N | Row % | |
| ALL: | 134 | 201 | 74 | |||||
| Treatment category1 | ||||||||
| Aligners | 35 | 10% | 18 | 51% | 23 | 66% | 6 | 17% |
| Fixed appliances (includes 4 aligners) | 146 | 42% | 45 | 31% | 72 | 49% | 34 | 23% |
| Temporary Anchorage Devices (includes 6
aligners without fixed; 33 were mini-screws and 2 were mini-plates) |
35 | 10% | 20 | 57% | 23 | 66% | 9 | 26% |
| Orthognathic surgery (includes 7 aligners,
no fixed, 2 aligners and fixed, 118 only fixed, and 2 fixed and TADs (mini-screws) |
129 | 37% | 51 | 40% | 83 | 64% | 25 | 19% |
| cluster adjusted p-values | p=0.02 | p=0.03 | p=0.7 | |||||
| Prior orthodontic treatment | ||||||||
| No | 210 | 61% | 112 | 53% | 45 | 21% | ||
| Yes | 134 | 39% | 88 | 66% | 29 | 22% | ||
| cluster adjusted p-values | p=0.12 | p=0.99 | ||||||
1
Two patients were not recommended any of the 4 primary treatments of interest, and were thus excluded from analysis
P-values adjusted for patient clustering within practitioner using generalized estimating equations