A bioactive-borate temporary filling remineralizes dentin cavity walls

• Published in: International dental journal 2023-09, Vol.73, p.S12-S12
• Main Authors: Bakry, Clin Prof Ahmed, Hassan, Professor Ali Habib, Abbassy, Clin Prof Mona Aly
• Format: Article
• Language: English
• ISSN: 0020-6539; 1875-595X
• DOI: 10.1016/j.identj.2023.07.212

This study evaluated the capability of a patented bioactive temporary filling material (US Patent 11,602,491) to remineralize demineralized dentin class V cavity walls prior to composite restorative phase. Class V cavities were prepared on the buccal and lingual surfaces of 20 lower freshly extracted third molars. The occlusal margins of the prepared cavities were in enamel and the gingival margins located at the cemento-enamel junction dimensions were; 4.0 mm in width, 3.0 mm in height, and 2 mm in depth. The cavities were challenged with buffered demineralization solution (2.2mM CaCl2, 10mM NaH2PO4, 50mM acetic acid, 100mM NaCl, 1 ppm NaF, 5mM NaN3; pH 4.5). The buccal cavities received a ready-made temporary filling (Caviton; GC, Tokyo, Japan) while the lingual cavities received the borate temporary filling followed by light curing for 30 seconds. The specimens were stored in a remineralizing solution (pH 7.0) For 24 hours. The cavities were embedded in resin and cut into sections 100–120 microns. Trans-microradiograph images were taken by x-ray generator (CMR 2; Softex, Tokyo, Japan). Mean mineral profiles and lesion depth were calculated using a special software and compared statistically using analysis of variance (ANOVA) p=0.05. ANOVA showed that The temporary borate filling increased the mineral content at the cervical, pulpal and occlusal walls p