Role of desensitizing/whitening dentifrices in enamel wear.

Lima, Leonardo Custódio de; Viana, Ítallo Emídio Lira; Paz, Sara Laís Pereira da; Bezerra, Sávio José Cardoso; João-Souza, Samira Helena; Saads Carvalho, Thiago; Scaramucci, Taís (2020). Role of desensitizing/whitening dentifrices in enamel wear. Journal of dentistry, 99(103390), p. 103390. Elsevier Science 10.1016/j.jdent.2020.103390

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OBJECTIVES

To analyze the impact of desensitizing (D) and/or whitening (W) dentifrices on erosion and erosion-abrasion.

METHODS

Enamel specimens were allocated into 10 groups (n = 20): 1. Artificial saliva (control); 2. Sensodyne Repair&Protect (SRP-D); 3. Sensodyne Repair&Protect Whitening (SRP-W); 4. Colgate Sensitive Pro-Relief (CSPR-D); 5. Colgate Sensitive Pro-Relief Real White (CSPRR-W); 6. Colgate Total 12 (CT); 7. Colgate Total 12 Professional Whitening (CTP-W); 8. Sensodyne True White (ST-W); 9. Curaprox Black is White (CB-W); 10. Oral-B 3D White Perfection (OB3D-W). For abrasion (n = 10), 30,000 brushing strokes were performed and surface roughness (SR) was evaluated. Erosion-abrasion (n = 10) consisted of 1 % citric acid (2 min), artificial saliva (60 min); 6×/day; 5 days. Toothbrushing was carried out 2×/day (45 strokes). Surface loss (SL) was determined with an optical profilometer. Data were statistically analyzed (α = 0.05).

RESULTS

Relative to SR, only OB3D-W had a significantly rougher surface than the control (p = 0.014). SRP-D, CSPR-D and ST-W showed no difference from the baseline. High SL was observed for ST-W, OB3D-W and CTP-W, without significant differences from the control. CT showed the lowest SL, not differing from SRP-D and SRP-W. There was a weak negative correlation between SL and concentration of free fluoride in the slurries, SL and SR, and SL and pH, all p > 0.05.

CONCLUSIONS

Only one dentifrice increased surface roughness of enamel to a higher degree than brushing with saliva. Brushing with the test dentifrices did not cause higher enamel erosive wear than brushing with saliva.

CLINICAL SIGNIFICANCE

This study enhances our knowledge on the effect of desensitizing and whitening dentifrices, indicating that they do not worsen enamel loss due to abrasion and they might be a safe option for individuals with erosive tooth wear.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > School of Dental Medicine > Department of Preventive, Restorative and Pediatric Dentistry

UniBE Contributor:

Niemeyer, Samira Helena and Saads Carvalho, Thiago

Subjects:

600 Technology > 610 Medicine & health

ISSN:

0300-5712

Publisher:

Elsevier Science

Language:

English

Submitter:

Daniela Zesiger

Date Deposited:

23 Dec 2020 09:51

Last Modified:

27 Dec 2020 02:50

Publisher DOI:

10.1016/j.jdent.2020.103390

PubMed ID:

32492504

Uncontrolled Keywords:

Desensitizing toothpastes Erosive tooth wear Tooth abrasion Whitening toothpastes

BORIS DOI:

10.48350/148638

URI:

https://boris.unibe.ch/id/eprint/148638

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