Effect of Different Resin Cements on the Bond Strength of Custom-made Reinforced Glass Fiber Posts-A Push-out Study
AIM AND OBJECTIVE: This study aims to evaluate the effect of different resin cements on the bond strength (BS) of custom-made glass fiber posts (GFPs) using the push-out test.
MATERIALS AND METHODS: Twenty-four uniradicular bovine teeth were selected. The crowns were sectioned at the cementoenamel junction, and the root canals were treated. The post spaces of the teeth were prepared to a length of 12 mm to receive a GFP. The specimens were randomly assigned to three experimental groups (n = 8), according to the resin cement used to fix the GFPs: RelyX U200 (U200), Allcem Core (ACC), and Allcem Dual (ACD). Each specimen was sectioned into six slices per root third (cervical, middle, and apical), which were subjected to the push-out test. BS values were calculated and compared using the Kruskal-Wallis and Friedman tests.
RESULTS: There were significant differences in the middle third, according to the resin cement type used (p < 0.05). ACD showed lower BS values (p < 0.05). Significant differences were observed for ACD among the thirds of the slices, with the lowest values also observed for the middle third (p < 0.05).
CONCLUSION: The present study shows that ACC and U200 showed higher BS values compared with ACD, and were also less influenced by the depth of the root dentin.
CLINICAL SIGNIFICANCE: The restoration of endodontically treated teeth is a challenge in dentistry, and, in most cases, will require installation of fiberglass pins. In this respect, several types of resin cements are indicated for cementation of these pins; for this reason, their adhesiveness must be adequately investigated. Conventional cements and self-adhesive cements have shown satisfactory performance in cementing the custom-made GFPs, thereby making these cements satisfactory clinical choices. The present study suggests that ACD had lower performance than the other two cements evaluated.
| Medienart: |
E-Artikel |
|---|
| Erscheinungsjahr: |
2021 |
|---|---|
| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:22 |
|---|---|
| Enthalten in: |
The journal of contemporary dental practice - 22(2021), 3 vom: 01. März, Seite 219-223 |
| Sprache: |
Englisch |
|---|
| Beteiligte Personen: |
Soares, Patrícia Mc [VerfasserIn] |
|---|
| Themen: |
Bond strength |
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| Anmerkungen: |
Date Completed 05.07.2021 Date Revised 05.07.2021 published: Electronic Citation Status MEDLINE |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM327576332 |
|---|
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| 041 | |a eng | ||
| 100 | 1 | |a Soares, Patrícia Mc |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Effect of Different Resin Cements on the Bond Strength of Custom-made Reinforced Glass Fiber Posts-A Push-out Study |
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| 500 | |a Date Revised 05.07.2021 | ||
| 500 | |a published: Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a AIM AND OBJECTIVE: This study aims to evaluate the effect of different resin cements on the bond strength (BS) of custom-made glass fiber posts (GFPs) using the push-out test | ||
| 520 | |a MATERIALS AND METHODS: Twenty-four uniradicular bovine teeth were selected. The crowns were sectioned at the cementoenamel junction, and the root canals were treated. The post spaces of the teeth were prepared to a length of 12 mm to receive a GFP. The specimens were randomly assigned to three experimental groups (n = 8), according to the resin cement used to fix the GFPs: RelyX U200 (U200), Allcem Core (ACC), and Allcem Dual (ACD). Each specimen was sectioned into six slices per root third (cervical, middle, and apical), which were subjected to the push-out test. BS values were calculated and compared using the Kruskal-Wallis and Friedman tests | ||
| 520 | |a RESULTS: There were significant differences in the middle third, according to the resin cement type used (p < 0.05). ACD showed lower BS values (p < 0.05). Significant differences were observed for ACD among the thirds of the slices, with the lowest values also observed for the middle third (p < 0.05) | ||
| 520 | |a CONCLUSION: The present study shows that ACC and U200 showed higher BS values compared with ACD, and were also less influenced by the depth of the root dentin | ||
| 520 | |a CLINICAL SIGNIFICANCE: The restoration of endodontically treated teeth is a challenge in dentistry, and, in most cases, will require installation of fiberglass pins. In this respect, several types of resin cements are indicated for cementation of these pins; for this reason, their adhesiveness must be adequately investigated. Conventional cements and self-adhesive cements have shown satisfactory performance in cementing the custom-made GFPs, thereby making these cements satisfactory clinical choices. The present study suggests that ACD had lower performance than the other two cements evaluated | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Bond strength | |
| 650 | 4 | |a Endodontically treated teeth | |
| 650 | 4 | |a Glass fiber post | |
| 650 | 4 | |a Push-out Resin cements. | |
| 650 | 7 | |a Resin Cements |2 NLM | |
| 650 | 7 | |a fiberglass |2 NLM | |
| 700 | 1 | |a Morgan, Luis Fsa |e verfasserin |4 aut | |
| 700 | 1 | |a Tonelli, Stéphanie Q |e verfasserin |4 aut | |
| 700 | 1 | |a Limeira, Francisco Ir |e verfasserin |4 aut | |
| 700 | 1 | |a Bruzinga, Fábio Fb |e verfasserin |4 aut | |
| 700 | 1 | |a Seraidarian, Paulo I |e verfasserin |4 aut | |
| 700 | 1 | |a Albuquerque, Rodrigo C |e verfasserin |4 aut | |
| 700 | 1 | |a Silveira, Frank F |e verfasserin |4 aut | |
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