Effects of three drying methods of post space dentin bonding used in a direct resin composite core build-up method
Copyright © 2018 Japan Prosthodontic Society. Published by Elsevier Ltd. All rights reserved..
PURPOSE: The purpose of this study was to evaluate drying methods for post space dentin bonding in a direct resin composite core build-up method.
METHODS: Experiment 1: Four root canal plastic models, having diameters of 1.0 or 1.8mm and parallel or tapered shapes, were prepared. After drying each post space using three drying methods (air drying, paper-point drying, or ethanol drying, which involves filling the space with 99.5 vol% ethanol followed by air drying), the residual liquid in the models was weighed. Experiment 2: Thirty endodontically treated single-root teeth were dried using the above-described drying methods and filled with dual-cure resin composite. The bonded specimens were sectioned into square beams of approximately 1mm2 for microtensile bond strength (μTBS) testing. Nine teeth were observed through transmission electron microscopy (TEM) and micro computed tomography (μCT). The weight of residual liquid and μTBS were analyzed using Scheffé multiple comparison.
RESULTS: Experiment 1: The results of air drying were significantly different from those of paper-point drying (p<0.001) and ethanol drying (p<0.001), and no significant difference was observed between paper-point drying and ethanol drying. Experiment 2: The μTBS significantly decreased in the order of ethanol drying, paper-point drying, and air drying (air drying/ethanol drying: p<0.001, air drying/paper-point drying: p=0.048, ethanol drying/paper-point drying: p=0.032). TEM and μCT observation revealed a sufficient dentin/adhesive interface in the ethanol drying group.
CONCLUSIONS: Ethanol drying was found to be more effective for post space dentin bonding, as compared with air drying and paper-point drying.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2018 |
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| Erschienen: |
2018 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:62 |
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| Enthalten in: |
Journal of prosthodontic research - 62(2018), 4 vom: 11. Okt., Seite 449-455 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Iwashita, Taichi [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 09.11.2018 Date Revised 10.08.2020 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.jpor.2018.04.006 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM285542060 |
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| 100 | 1 | |a Iwashita, Taichi |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Effects of three drying methods of post space dentin bonding used in a direct resin composite core build-up method |
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| 500 | |a Date Revised 10.08.2020 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2018 Japan Prosthodontic Society. Published by Elsevier Ltd. All rights reserved. | ||
| 520 | |a PURPOSE: The purpose of this study was to evaluate drying methods for post space dentin bonding in a direct resin composite core build-up method | ||
| 520 | |a METHODS: Experiment 1: Four root canal plastic models, having diameters of 1.0 or 1.8mm and parallel or tapered shapes, were prepared. After drying each post space using three drying methods (air drying, paper-point drying, or ethanol drying, which involves filling the space with 99.5 vol% ethanol followed by air drying), the residual liquid in the models was weighed. Experiment 2: Thirty endodontically treated single-root teeth were dried using the above-described drying methods and filled with dual-cure resin composite. The bonded specimens were sectioned into square beams of approximately 1mm2 for microtensile bond strength (μTBS) testing. Nine teeth were observed through transmission electron microscopy (TEM) and micro computed tomography (μCT). The weight of residual liquid and μTBS were analyzed using Scheffé multiple comparison | ||
| 520 | |a RESULTS: Experiment 1: The results of air drying were significantly different from those of paper-point drying (p<0.001) and ethanol drying (p<0.001), and no significant difference was observed between paper-point drying and ethanol drying. Experiment 2: The μTBS significantly decreased in the order of ethanol drying, paper-point drying, and air drying (air drying/ethanol drying: p<0.001, air drying/paper-point drying: p=0.048, ethanol drying/paper-point drying: p=0.032). TEM and μCT observation revealed a sufficient dentin/adhesive interface in the ethanol drying group | ||
| 520 | |a CONCLUSIONS: Ethanol drying was found to be more effective for post space dentin bonding, as compared with air drying and paper-point drying | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Adhesion | |
| 650 | 4 | |a Adhesive dentistry | |
| 650 | 4 | |a Bonding effectiveness | |
| 650 | 4 | |a Residual liquid | |
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| 650 | 7 | |a Bond Force dental cement |2 NLM | |
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| 650 | 7 | |a Composite Resins |2 NLM | |
| 650 | 7 | |a Polyurethanes |2 NLM | |
| 650 | 7 | |a Ethanol |2 NLM | |
| 650 | 7 | |a 3K9958V90M |2 NLM | |
| 700 | 1 | |a Mine, Atsushi |e verfasserin |4 aut | |
| 700 | 1 | |a Matsumoto, Mariko |e verfasserin |4 aut | |
| 700 | 1 | |a Nakatani, Hayaki |e verfasserin |4 aut | |
| 700 | 1 | |a Higashi, Mami |e verfasserin |4 aut | |
| 700 | 1 | |a Kawaguchi-Uemura, Asuka |e verfasserin |4 aut | |
| 700 | 1 | |a Kabetani, Tomoshige |e verfasserin |4 aut | |
| 700 | 1 | |a Tajiri, Yuko |e verfasserin |4 aut | |
| 700 | 1 | |a Imai, Dai |e verfasserin |4 aut | |
| 700 | 1 | |a Hagino, Ryosuke |e verfasserin |4 aut | |
| 700 | 1 | |a Miura, Jiro |e verfasserin |4 aut | |
| 700 | 1 | |a Minamino, Takuya |e verfasserin |4 aut | |
| 700 | 1 | |a Yatani, Hirofumi |e verfasserin |4 aut | |
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