IADR Abstract Archives
Effect of Toothpaste with NovaMin® Technology on Dentin Hypersensitivity
Objectives: OBJECTIVES: To evaluate effectiveness of toothpaste with NovaMin® technology in decreasing of dentin hypersensitivity.Effect of Toothpaste with NovaMin® Technology on Dentin Hypersensitivity
Methods: METHODS: Fifty volunteers aged 18-50 years old with tooth hypersensitivity took part in the clinical study. Participants were required to brush their teeth twice a day with a soft toothbrush and toothpaste containing 5% NovaMin® and 1450 ppm fluoride (Sensodyne Repair&Protect). Temperature and tactile tooth sensitivity were evaluated on a 3-score scale (Schiff, 1994). Oral examinations were performed at baseline, after three and six weeks. In vitro study has been performed. The specimens were prepared from four extracted human molars and sectioned on a longitudinal axis (buccal surface – test, lingual surface – control). Each sample in the cervical area and top third of root was smoothened, polished and etched with 35% orthophosphoric acid over 40 seconds. Test samples have been immersed in a mix of saliva and toothpaste with 5% NovaMin® and 1450 ppm fluoride over five days and then washed out with water. All samples were observed under a scanning electron microscope (SEM). The T-test was used to compare differences in mean scores.
Results: RESULTS: After three and six weeks of daily toothbrushing with toothpaste containing 5% NovaMin® and 1450 ppm fluoride significant (p < 0.001) decrease of tooth hypersensitivity was observed. Reduction of temperature and tactile sensitivity values was 93.1% and 95.6%, respectively, after six weeks compared to baseline. According to the SEM analysis, NovaMin® creates a hydroxyapatite-like layer that remains after washing with water. It consists of small particles, which cover the dentin surface and obturate dentinal tubules.
Conclusions: CONCLUSION: Toothpaste with NovaMin® technology promoted significant reduction of dentin hypersensitivity due to its ability to obturate dentinal tubules.
Methods: METHODS: Fifty volunteers aged 18-50 years old with tooth hypersensitivity took part in the clinical study. Participants were required to brush their teeth twice a day with a soft toothbrush and toothpaste containing 5% NovaMin® and 1450 ppm fluoride (Sensodyne Repair&Protect). Temperature and tactile tooth sensitivity were evaluated on a 3-score scale (Schiff, 1994). Oral examinations were performed at baseline, after three and six weeks. In vitro study has been performed. The specimens were prepared from four extracted human molars and sectioned on a longitudinal axis (buccal surface – test, lingual surface – control). Each sample in the cervical area and top third of root was smoothened, polished and etched with 35% orthophosphoric acid over 40 seconds. Test samples have been immersed in a mix of saliva and toothpaste with 5% NovaMin® and 1450 ppm fluoride over five days and then washed out with water. All samples were observed under a scanning electron microscope (SEM). The T-test was used to compare differences in mean scores.
Results: RESULTS: After three and six weeks of daily toothbrushing with toothpaste containing 5% NovaMin® and 1450 ppm fluoride significant (p < 0.001) decrease of tooth hypersensitivity was observed. Reduction of temperature and tactile sensitivity values was 93.1% and 95.6%, respectively, after six weeks compared to baseline. According to the SEM analysis, NovaMin® creates a hydroxyapatite-like layer that remains after washing with water. It consists of small particles, which cover the dentin surface and obturate dentinal tubules.
Conclusions: CONCLUSION: Toothpaste with NovaMin® technology promoted significant reduction of dentin hypersensitivity due to its ability to obturate dentinal tubules.