In vitro efficacy of commercial and experimental proteolytic enzyme‐based whitening dentifrices on enamel whitening and superficial roughness

Objective To evaluate the whiteness index (WID) and surface roughness (Ra) of bovine enamel after simulated tooth brushing with different commercial and experimental whitening dentifrices. Materials and Methods Cylindrical enamel bovine specimens were acid etched, stained, and divided in nine groups...

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Bibliographic Details
Published in:Journal of esthetic and restorative dentistry 2021-09, Vol.33 (6), p.849-855
Main Authors: Schwarzbold, Christian Gonçalves, Cuevas‐Suárez, Carlos Enrique, Pacheco, Rafael Rocha, Ribeiro, Juliana Silva, Carreño, Neftali Lenin Villarreal, Lund, Rafael Guerra, Piva, Evandro
Format: Article
Language:English
Subjects:
Bleaching
color science
Dental enamel
dental materials
Dentifrices
Dentistry
Enamel
erosion
laboratory technology
Papain
Peroxide
Proteolysis
Sodium bicarbonate
Statistical analysis
Teeth
Toothbrushing
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Summary:Objective To evaluate the whiteness index (WID) and surface roughness (Ra) of bovine enamel after simulated tooth brushing with different commercial and experimental whitening dentifrices. Materials and Methods Cylindrical enamel bovine specimens were acid etched, stained, and divided in nine groups (n = 8): Colgate® Optic White®, Crest® Baking Soda and Peroxide, Arm and Hammer® Advanced White™ Extreme Whitening, Rembrandt® Deeply White® + Peroxide, Close up® White Attraction Natural Glow, Hinode Prowhite, and experimental dentifrice containing papain (PP), bromelain (PB), or papain and bromelain (PPB). Ra and WID were obtained initially and after 600, 1200, and 3,600 cycles of simulated tooth brushing. Data were analyzed using two‐way analysis of variance test (α = 0.05). Results Ra was significantly influenced by both dentifrice (p = 0.043) and period of tooth‐brushing simulation (p 
ISSN:1496-4155
1708-8240
DOI:10.1111/jerd.12690