Various types of abrasive particles present in toothpastes may harm resin-composite restorations
Various types of abrasive particles present in toothpastes may harm resin-composite restorations suggests a new study published in the American Journal of Dentistry
A study was conducted to evaluate the effect of diamond toothpastes on the gloss surface of five resin composites.
30 discs of each resin composite in A2 shade [Filtek Supreme Ultra (FS), Tetric EvoCeram (TE), IPS Empress Direct (ED), Charisma (CC), Venus Diamond (VD)] were made. The samples were divided into three groups according to the toothpaste: Colgate Total Clean Mint (control) (CTC), Candida White Diamond (CWD) and Emoform-F Diamond (EFD). After standardized polishing, the samples were brushed using a toothbrushing simulator, and gloss measurements were assessed at baseline and 15, 30, 45, 60, 75, 90, 105 and 120 minutes.
Results: Diamond toothpastes behaved dif-ferently from each other: the CWD and CTC groups presented the lowest values compared to EFD (P< 0.05).
Nanofilled composites presented higher gloss values than other composites when brushed with various toothpastes (P< 0.05).
The addition of diamond particles as abrasives in toothpastes can affect resin composites’ surface gloss.
Thus the study concluded that the various types of abrasive particles present in toothpastes may harm resin-composite restorations.
Reference:
Mathias-Santamaria IF, Roulet JF. The effect of diamond toothpastes on surface gloss of resin composites. Am J Dent. 2019 Aug;32(4):169-173. PMID: 31436936.
Keywords:
Mathias-Santamaria IF, Roulet JF, effect, diamond, toothpastes, surface gloss, resin composites, Am J Dent, American Journal of Dentistry.
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