AI Article Synopsis
- - This study examined how well two types of dental materials bond to dentin surfaces using different resin cements, with and without a technique called resin-coating (RC).
- - Three non-RC groups were tested using two types of self-adhesive resin cements, and no major differences in bonding strength were found among them.
- - The results showed that when using the resin-coating method, coronal dentin disks had a significantly stronger bond than CAD/CAM resin composite disks, and aging from thermocycles didn't impact bonding strength for most methods, except in the self-adhesive mode.
Article Abstract
This study evaluated the bonding performance of coronal dentin disks, designed for biological restoration, and CAD/CAM resin composite disks when bonded to flat dentin surfaces using dual-cure resin cements, with and without a resin-coating (RC) technique. Three distinct groups were established within the non-RC group, each using one of the two types of resin cements in a self-adhesive mode: one-step self-etch adhesive (1-SEA) without light-cure, 1-SEA with light-cure, and a separate group using an alternate cement. Within the RC group, a subgroup was established for each cement. The microtensile bond strength (μTBS) of the disk-dentin beam was tested after 0 and 10,000 thermocycles in a 5°C/55°C. No significant μTBS difference was observed among the non-RC groups. However, when using RC, the μTBSs of coronal dentin disks significantly exceeded those of CAD/CAM resin composite disks. Thermocycle aging did not affect μTBS in any of the bonding methods, except in self-adhesive mode.
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| http://dx.doi.org/10.4012/dmj.2023-229 | DOI Listing |
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