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Effect of Pulpal Pressure and Immediate or Delayed Dentin Sealing Techniqueon Microtensile Bond Strength of an Adhesive Resin Cement to Dentin: An In Vitro Study |
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| รหัสดีโอไอ | |
| Creator | Marisa Sukapattee |
| Title | Effect of Pulpal Pressure and Immediate or Delayed Dentin Sealing Techniqueon Microtensile Bond Strength of an Adhesive Resin Cement to Dentin: An In Vitro Study |
| Contributor | Teeranuch Rujirakanusorn, Sitthichai Wanachantararak, Aikaterini Kostagianni |
| Publisher | Faculty of Dentistry, Chiang Mai University |
| Publication Year | 2564 |
| Journal Title | Chiang Mai Dental Journal |
| Journal Vol. | 42 |
| Journal No. | 2 |
| Page no. | 97-103 |
| Keyword | pulpal pressure, dental adhesives, immediate dentin sealing |
| URL Website | http://www.dent.cmu.ac.th/cmdj/frontend/web/?r=site/index |
| Website title | Chiang Mai Dental Journal |
| ISSN | 2773-921X |
| Abstract | Objectives: To evaluate the effect of pulpal pressure and immediate (IDS) or delayed dentin sealing (DDS) technique on microtensile bond strength (μTBS) of an adhesive resin cement to exposed human dentin.Methods: Fifty extracted human third molars were divided into 2 groups: pulpal and non-pulpal pressure (PP, NP), which represented vital and non-vital tooth. Each group was divided into 5 subgroups: direct restoration (control), DDS technique and 3 IDS techniques, [etch-and-rinse (TE), self-etching (SE) and universal adhesive (U)]. The hydrostatic pressure of 20 cmH2O was applied prior to adhesive application in PP groups during the experiment. The self-adhesive resin cement was used to bond a composite disc onto dentin for all groups. Ten small square beams from each group were fabricated and collected for μTBS testing and mode of failure monitoring.Results: All three IDS groups yielded a significantly higher μTBS than control and DDS groups in both pulpal conditions. DDS groups yielded the lowest μTBS. The presence of pulpal pressure caused a significant reductionof μTBS in TE and DDS groups.Conclusions: The IDS technique could produce higher μTBS than the DDS and direct restoration technique in both pulpal conditions. |
