Root caries lesions inhibition and repair using commercial high-fluoride toothpastes with or without tri-calcium phosphate and conventional toothpastes containing or not 1.5% arginine CaCO3: an in situ investigation

Author(s)

de Amoedo Campos Velo, Marilia Mattar ^[1] ; Silverio Agulhari, Maria Angelica ^[1] ; Rios, Daniela ^[2] ; Magalhaes, Ana Carolina ^[3] ; Honorio, Heitor Marques ^[2] ; Wang, Linda ^[1]

Affiliation

^[1] Univ Sao Paulo, Bauru Sch Dent, Dept Operat Dent Endodont & Dent Mat, Al Dr Otavio Pinheiro Brisolla 9-75 Vila Univ, Bauru, SP - Brazil

^[2] Univ Sao Paulo, Bauru Sch Dent, Dept Pediat Dent Orthodont & Publ Hlth, Al Dr Otavio Pinheiro Brisolla 9-75, Bauru, SP - Brazil

^[3] Univ Sao Paulo, Bauru Sch Dent, Dept Biol Sci, Al Dr Otavio Pinheiro Brisolla 9-75, Bauru, SP - Brazil

• Document type: Journal article
• Source: CLINICAL ORAL INVESTIGATIONS; v. 24, n. 7 NOV 2019.
• Web of Science Citations: 0

Abstract

Objectives This double-blind, crossover, and in situ study evaluated the effect of commercial high-F toothpastes with or without functionalized beta-tri-calcium phosphate (fTCP) and conventional-F toothpaste containing or not 1.5% arginine-CaCO3 in preventing and repairing root caries-like lesions. Methods Twelve volunteers wore palatal appliances containing sound (S) and pre-demineralized (PD) bovine root dentin blocks in 4 phases of 14 days/each. They used F toothpastes, 3x/day: (i) 1,450 mu g F/g (conventional-F); (ii) 1,450 mu g F/g + 1.5% arginine-CaCO3 (conventional-F + arginine/CaCO3); (iii) 5,000 mu g F/g (high-F); and (iv) 5,000 mu g F/g (high-F + fTCP). Sucrose solution (20%) was dropped 8x/day on the S blocks. The demineralization in the S blocks and the remineralization in the PD ones were estimated by % of surface hardness difference (%SH-S) and % of SH recovery (%SHR-PD), respectively. Caries lesion area (Delta S) was determined in the blocks. Statistical analyses were performed by one-way ANOVA/Kruskal-Wallis and multiple comparisons tests (p < 0.05). Results Both high-F toothpastes presented similar effect to prevent early caries lesions and it was higher than conventional-F + arginine/CaCO3. All treatments resulted in significantly lower Delta S values compared with conventional-F toothpaste (p < 0.0001). High-F + fTCP showed non-significantly higher preventive and reversible effect compared to high-F. The effect of conventional-F + arginine/CaCO3 was similar to high-F and lower than high-F + fTCP in preventing and reverting in-deep caries lesions. Conclusions Overall, high-F toothpastes seem to be more effective and interesting feasible strategy for both prevention and remineralization actions in root dentin. (AU)

• FAPESP's process: 15/00817-2 - In vitro and In situ evaluation of the effect of high-fluoride and arginine-based toothpastes on the control of root caries
• Grantee: Marilia Mattar de Amoêdo Campos Velo
• Support Opportunities: Scholarships in Brazil - Doctorate