additional_studies_date:
May 2008
| Frequency | Percent | |
| Esthetics | 39 | 92.9% |
| Ease | 22 | 52.4% |
| Ease of oral hygiene | 21 | 50.0% |
| Less irritability in mouth | 17 | 40.5% |
| New / Cutting edge | 14 | 33.3% |
| Lenth of tmt | 10 | 23.8% |
| Pricing | 5 | 11.9% |
| Other | 6 | 14.3% |
| Frequency | Percent | |
| Esthetics | 39 | 92.9% |
| Ease | 22 | 52.4% |
| Ease of oral hygiene | 21 | 50.0% |
| Less irritability in mouth | 17 | 40.5% |
| New / Cutting edge | 14 | 33.3% |
| Lenth of tmt | 10 | 23.8% |
| Pricing | 5 | 11.9% |
| Other | 6 | 14.3% |
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