Effect of palm oil alone or associated to stannous solution on enamel erosive-abrasive wear: A randomized in situ/ex vivo study

Author(s)

Ionta, Franciny Querobim ^[1] ; Barros de Alencar, Catarina Ribeiro ^[2] ; dos Santos, Natalia Mello ^[1] ; Portaluppe Bergantin, Bianca Tozi ^[1] ; Val, Poliana Pacifico ^[1] ; Honorio, Heitor Marques ^[1] ; de Oliveira, Thais Marchini ^[1] ; Rios, Daniela ^[1]

Affiliation

^[1] Univ Sao Paulo, Bauru Sch Dent, Dept Pediat Dent Orthodont & Publ Hlth, Bauru - Brazil

^[2] Paraiba State Univ, Dept Dent, Campina Grande - Brazil

• Document type: Journal article
• Source: ARCHIVES OF ORAL BIOLOGY; v. 95, p. 68-73, NOV 2018.
• Web of Science Citations: 0

Abstract

Objective: Palm oil has demonstrated preventive potential against initial erosive demineralization in vitro. This in situ study evaluated the effect of palm oil alone or associated with stannous-containing (Sn) solution on preventing enamel loss from an erosive/abrasive challenge. Design: This single-blind, randomized, crossover in situ/ex vivo study was developed in four phases (one per group of five days) with sixteen volunteers. Enamel blocks (n = 256) were allocated to groups according to the treatment: Palm oil; Palm oil plus Sn solution; Sn solution - positive control; and Deionized water - negative control. Half of the enamel blocks of each group was subjected to erosion and the other half to erosion + abrasion. The daily ex vivo protocol consisted of four citric acid immersions (2 min). Before the first and third acid exposure, the blocks were treated with the test solutions (1 drop/block) for 1 min followed by acid immersion and abrasive challenge (toothpaste was applied on all blocks and half were brushed for 15 s/block). Enamel loss was quantified profilometrically and data were analyzed by two-way ANOVA and Tukey's test (p < 0.05). Results: A significant difference was found for type of treatment (p < 0.001); wear condition (p = 0.38) and the treatment x condition interaction (p = 0.33) was non-significant. Palm oil associated or not to Sn solution significantly reduced enamel wear in comparison with the negative control but did not differ from the positive control (p > 0.05). Conclusions: Palm oil was able to prevent enamel loss under erosive and erosive + abrasive challenges in a similar extend to stannous-containing commercial solution. (AU)

• FAPESP's process: 14/00102-0 - Remineralizing effect of saliva on initial erosive lesion, using mandibular intraoral appliance
• Grantee: Poliana Pacifico Val
• Support Opportunities: Scholarships in Brazil - Scientific Initiation
• FAPESP's process: 15/26520-6 - Establishment of research protocols and preventive strategies for dental erosion
• Grantee: Daniela Rios Honório
• Support Opportunities: Regular Research Grants
• FAPESP's process: 15/21552-7 - Preventive measures for dental erosion
• Grantee: Franciny Querobim Ionta
• Support Opportunities: Scholarships in Brazil - Doctorate
• FAPESP's process: 16/05347-7 - In situ effect of a vegetable oil associated or not with fluoride to prevent erosive tooth wear
• Grantee: Bianca Tozi Portaluppe Bergantin Tanabe
• Support Opportunities: Scholarships in Brazil - Scientific Initiation