Department of Oral Anatomy and Dental Research Institute, School of Dentistry, Seoul National University.
Center future of Dentistry, School of Dentistry, Seoul National University.
Dent Mater J. 2022 Oct 2;41(5):731-740. doi: 10.4012/dmj.2021-303. Epub 2022 Jul 6.
The relative dentin abrasivity-profilometry equivalent values were compared using non-contact profilometry with three subtypes of regular toothpaste and two subtypes of whitening toothpaste containing sodium bicarbonate and 35% hydrogen peroxide. Bovine dentin specimens were assigned to six groups: regular toothpaste (R): R1 (BAMBOO SALT GUM OINTMENT); R2 (MEDIAN TARTAR ORIGINAL); R3 (PERIOE Alpha), Reference slurry: RS (calcium pyrophosphate), whitening toothpaste (W): W1 (NET. WT); W2 (Vussen 28 WHITENING). Relative dentin abrasion-profilometry equivalent (RDA-PE) was determined by brushing 10,000 times (n=8). The pH of the toothpaste was measured (n=5) and the abrasive constituents of the toothpaste was analyzed by FE-SEM and EDS. The RDA-PE values ranged from 26 to 166, and the pH level ranges were 4.928-9.153. The RDA-PE value of the whitening toothpaste containing hydrogen peroxide was not high compared with that of the regular toothpaste. The RDA-PE values of whitening toothpaste could vary depending on the mechanism and ingredients of the whitening agents.
将三种普通牙膏和两种含有碳酸氢钠和 35%过氧化氢的美白牙膏分别与非接触式轮廓仪进行比较，得出相对牙本质磨损轮廓仪等效值。将牛牙本质标本分为六组：普通牙膏（R）：R1（竹盐牙膏）；R2（中盐 Original）；R3（牙周 Alpha），参考膏体：RS（焦磷酸钙）；美白牙膏（W）：W1（净重）；W2（Vussen 28 美白）。通过刷牙 10000 次（n=8）来确定相对牙本质磨损轮廓仪等效值（RDA-PE）。测量牙膏的 pH 值（n=5），并用 FE-SEM 和 EDS 分析牙膏的磨料成分。RDA-PE 值范围为 26 至 166，pH 值范围为 4.928-9.153。与普通牙膏相比，含过氧化氢的美白牙膏的 RDA-PE 值并不高。美白牙膏的 RDA-PE 值可能因美白剂的作用机制和成分而异。
