Should a metal post always be replaced before a new indirect -restoration?
Before realizing a new indirect restoration on an endodontically treated tooth, present restorations and possible posts need to be assessed. In the case of a metal post, the mismatch in flexural modulus between the dentine and the post might increase the risk of a vertical root fracture. Is it therefore prudent to replace such a metal post, before the fabrication of a new indirect restoration? Two scenarios might be considered to answer this question. First, would a glass fibre post result in a lower risk of failure? Two systematic reviews of the literature comparing glass fibre and metal posts for the short term were contradictory. Second, is the occurrence of a vertical root fracture associated with the presence of a post? Such association could not be established either. On the basis of the current literature, there does not appear to be evidence to support actively replacing a metal post.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:129 |
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| Enthalten in: |
Nederlands tijdschrift voor tandheelkunde - 129(2022), 4 vom: 14. Apr., Seite 163-167 |
| Sprache: |
Niederländisch |
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| Weiterer Titel: |
Moet een metalen stift altijd worden vervangen voor plaatsing van een kroon? |
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| Beteiligte Personen: |
de Kuijper, M C F M [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 15.04.2022 Date Revised 15.04.2022 published: Print Citation Status MEDLINE |
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| doi: |
10.5177/ntvt.2022.04.21110 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 245 | 1 | 0 | |a Should a metal post always be replaced before a new indirect -restoration? |
| 246 | 3 | 3 | |a Moet een metalen stift altijd worden vervangen voor plaatsing van een kroon? |
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| 520 | |a Before realizing a new indirect restoration on an endodontically treated tooth, present restorations and possible posts need to be assessed. In the case of a metal post, the mismatch in flexural modulus between the dentine and the post might increase the risk of a vertical root fracture. Is it therefore prudent to replace such a metal post, before the fabrication of a new indirect restoration? Two scenarios might be considered to answer this question. First, would a glass fibre post result in a lower risk of failure? Two systematic reviews of the literature comparing glass fibre and metal posts for the short term were contradictory. Second, is the occurrence of a vertical root fracture associated with the presence of a post? Such association could not be established either. On the basis of the current literature, there does not appear to be evidence to support actively replacing a metal post | ||
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