Ccahuana‐Vasquez, R. A., Adam, R., Conde, E., Grender, J. M., Cunningham, P., Goyal, C. R., & Qaqish, J. (2018). A 5‐week randomized clinical evaluation of a novel electric toothbrush head with regular and tapered bristles versus a manual toothbrush for reduction of gingivitis and plaque. Int J Dent Hyg.

Ccahuana‐Vasquez, Renzo Alberto, Ralf Adam, Erinn Conde, Julie M. Grender, Pamela Cunningham, C. Ram Goyal, và Jimmy Qaqish. "A 5‐week Randomized Clinical Evaluation of a Novel Electric Toothbrush Head With Regular and Tapered Bristles Versus a Manual Toothbrush for Reduction of Gingivitis and Plaque." Int J Dent Hyg 2018.

Ccahuana‐Vasquez, Renzo Alberto, et al. "A 5‐week Randomized Clinical Evaluation of a Novel Electric Toothbrush Head With Regular and Tapered Bristles Versus a Manual Toothbrush for Reduction of Gingivitis and Plaque." Int J Dent Hyg 2018.