A facile method for rejuvenating the bonding efficacy of root canal sealer-smeared dentine
Published by Elsevier Ltd..
OBJECTIVES: To examine the efficacy of glycine powder air-polishing on cleaning root canal sealer-smeared dentine.
METHODS: Dentine surfaces were contaminated with a smear of epoxy resin-based sealer or tricalcium silicate-based sealer. The contaminated surfaces were cleaned with saline, 75% ethanol, or air-polishing with glycine powder. Uncontaminated dentine was used as the control. The cleanliness of pulpal floor dentine was examined using scanning electron microscopy and energy dispersive X-ray analysis. The effectiveness of the three cleaning protocols was examined by testing the tensile bond strength of a self-etching adhesive to the decontaminated dentine. Resin infiltration into the dentinal tubules was identified using confocal laser scanning microscopy (CLSM).
RESULTS: Morphological examination and elemental analysis indicated that glycine powder air-polishing was more effective in removing the two sealers. Tensile bond strength of adhesive-bonded dentine was significantly reduced when either sealer was cleaned with saline or ethanol. Conversely, air-polishing restored the adhesive strength of the sealer-smeared dentine to the level of the control. Longer and denser resin tags were identified with CLSM when sealers were removed with air-polishing.
CONCLUSIONS: Air-polishing with glycine powder was effective in cleaning sealer-smeared dentine, as demonstrated by the rejuvenation of the tensile bond strength of a self-etching adhesive to the decontaminated dentine.
CLINICAL SIGNIFICANCE: Glycine powder air-polishing improves the cleanliness of root canal sealer-smeared dentine and rejuvenates adhesive bonding effectiveness.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:136 |
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| Enthalten in: |
Journal of dentistry - 136(2023) vom: 01. Sept., Seite 104591 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Lin, Wenqing [VerfasserIn] |
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| Links: |
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| Themen: |
3K9958V90M |
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| Anmerkungen: |
Date Completed 22.08.2023 Date Revised 22.08.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.jdent.2023.104591 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM358579244 |
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| 041 | |a eng | ||
| 100 | 1 | |a Lin, Wenqing |e verfasserin |4 aut | |
| 245 | 1 | 2 | |a A facile method for rejuvenating the bonding efficacy of root canal sealer-smeared dentine |
| 264 | 1 | |c 2023 | |
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| 500 | |a Date Completed 22.08.2023 | ||
| 500 | |a Date Revised 22.08.2023 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Published by Elsevier Ltd. | ||
| 520 | |a OBJECTIVES: To examine the efficacy of glycine powder air-polishing on cleaning root canal sealer-smeared dentine | ||
| 520 | |a METHODS: Dentine surfaces were contaminated with a smear of epoxy resin-based sealer or tricalcium silicate-based sealer. The contaminated surfaces were cleaned with saline, 75% ethanol, or air-polishing with glycine powder. Uncontaminated dentine was used as the control. The cleanliness of pulpal floor dentine was examined using scanning electron microscopy and energy dispersive X-ray analysis. The effectiveness of the three cleaning protocols was examined by testing the tensile bond strength of a self-etching adhesive to the decontaminated dentine. Resin infiltration into the dentinal tubules was identified using confocal laser scanning microscopy (CLSM) | ||
| 520 | |a RESULTS: Morphological examination and elemental analysis indicated that glycine powder air-polishing was more effective in removing the two sealers. Tensile bond strength of adhesive-bonded dentine was significantly reduced when either sealer was cleaned with saline or ethanol. Conversely, air-polishing restored the adhesive strength of the sealer-smeared dentine to the level of the control. Longer and denser resin tags were identified with CLSM when sealers were removed with air-polishing | ||
| 520 | |a CONCLUSIONS: Air-polishing with glycine powder was effective in cleaning sealer-smeared dentine, as demonstrated by the rejuvenation of the tensile bond strength of a self-etching adhesive to the decontaminated dentine | ||
| 520 | |a CLINICAL SIGNIFICANCE: Glycine powder air-polishing improves the cleanliness of root canal sealer-smeared dentine and rejuvenates adhesive bonding effectiveness | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a Decontamination | |
| 650 | 4 | |a Glycine powder | |
| 650 | 4 | |a Root canal sealer | |
| 650 | 4 | |a Self-etching adhesive | |
| 650 | 7 | |a Root Canal Filling Materials |2 NLM | |
| 650 | 7 | |a Powders |2 NLM | |
| 650 | 7 | |a Epoxy Resins |2 NLM | |
| 650 | 7 | |a Ethanol |2 NLM | |
| 650 | 7 | |a 3K9958V90M |2 NLM | |
| 700 | 1 | |a Gao, Yuan |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Surong |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Yan |e verfasserin |4 aut | |
| 700 | 1 | |a Ye, Weihu |e verfasserin |4 aut | |
| 700 | 1 | |a Tran, Diana |e verfasserin |4 aut | |
| 700 | 1 | |a Bergeron, Brian E |e verfasserin |4 aut | |
| 700 | 1 | |a Tay, Franklin R |e verfasserin |4 aut | |
| 700 | 1 | |a Ma, Jingzhi |e verfasserin |4 aut | |
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