Clinic for Preventive Dentistry, Periodontology and Cariology, University of Zürich, Zürich, Switzerland.
Oral Dis. 2011 Jul;17(5):508-14. doi: 10.1111/j.1601-0825.2011.01797.x. Epub 2011 Feb 18.
The aim of this study was to evaluate the erosive/abrasive enamel wear after contact with orange juices modified with different dietary supplements.
A total of 96 bovine enamel samples were prepared and allocated to eight groups (1-8; n = 12). Samples were eroded (120 s) in 200 ml of the following eight solutions: 1: water (control), 2: orange juice, 3: water + calcium effervescent tablet, 4: orange juice + calcium effervescent tablet, 5: water + 0.75 g acid/base regulating powder (Probase), 6: water + 0.375 g Probase, 7: orange juice + 0.75 g Probase and 8: orange juice + 0.375 g Probase. After erosion, the samples were brushed with 40 brushing strokes (load 2.5 N). Enamel wear was measured using surface profilometry after 20 and 40 cycles of erosion/abrasion respectively.
Highest mean enamel wear (± SD) after 20 and 40 cycles of erosion/abrasion was observed for the unmodified orange juice (group 2) (0.605 ± 0.240 μm; 1.375 ± 0.496 μm respectively). The enamel wear in all other groups (3-8) was significantly lower (P < 0.0001 respectively) with no significant difference within these groups and compared with water (control).
Erosive/abrasive enamel wear induces by orange juice and tooth brushing could be reduced significantly by modification with free available dietary supplements.
本研究旨在评估接触经不同膳食补充剂改性的橙汁后牙釉质的腐蚀性/磨蚀性磨损。
共制备 96 个牛牙釉质样本并分为 8 组（1-8；n=12）。用以下 8 种溶液中的一种对样本进行侵蚀（120 秒）：1：水（对照）、2：橙汁、3：水+钙泡腾片、4：橙汁+钙泡腾片、5：水+0.75g 酸碱调节粉（Probase）、6：水+0.375g Probase、7：橙汁+0.75g Probase 和 8：橙汁+0.375g Probase。侵蚀后，用 40 次刷拭（负荷 2.5N）对样本进行刷洗。侵蚀/磨损 20 次和 40 次后，分别用表面轮廓仪测量牙釉质磨损。
侵蚀/磨损 20 次和 40 次后，未经改性橙汁（组 2）的牙釉质磨损平均值（±SD）最高（分别为 0.605±0.240μm 和 1.375±0.496μm）。所有其他组（3-8）的牙釉质磨损明显较低（分别为 P<0.0001），且这些组之间以及与水（对照）之间无显著性差异。
通过添加游离膳食补充剂对橙汁和牙刷引起的腐蚀性/磨蚀性牙釉质磨损进行改性可显著降低。
