- 26 Apr 2016
- Brazil
- State University of Campinas
- Herrera, D. et al
- In vitro trial
- 48 human premolars
- 2 weeks
- 01 Jan 2001
- Sweden
- University of Lund
- Lamm, S. et al
- Clinical trial
- 23 men
- 2 months
- 01 Sep 2001
- Peru
- National University of San Marcos
- Piscoya, J. et al
- Clinical trial
- 45 adults
- 4 weeks