Review Article
The Efficacy of Selected Desensitizing OTC Products: A Systematic Review
Table 7
Comparison of the duration of the included studies.
| Study | Duration |
| Pradeep et al. [64] | 6 weeks |
| Pradeep and Sharma [65] | 6 weeks |
| Litkowski and Greenspan [66] | 8 weeks |
|
Ghassemi et al. [67] | Phase I: 8 weeks | Phase II: 8 weeks |
| Kaufman et al. [68] | 8 weeks |
|
|