Table 6. Results of questionnaire applied to volunteers.
| Conventional retainer | Ortho-FlexTech retainer | |
| Comfort in use | 60% | 40% |
| Better cleaning | 100% | 0% |
| Need to use dental floss | 0% | 100% |
| Preference for type of retainer | 100% | 0% |
| Conventional retainer | Ortho-FlexTech retainer | |
| Comfort in use | 60% | 40% |
| Better cleaning | 100% | 0% |
| Need to use dental floss | 0% | 100% |
| Preference for type of retainer | 100% | 0% |