Flexibilis és merev üvegszál megerősítésű intraradikuláris csapok törési ellenállásának in vitro összehasonlító vizsgálata - pilot study [Fracture strength of elastic and conventional fibre-reinforced composite intraradicular posts - an in vitro pilot study]
OBJECTIVES: The purpose of this in vitro investigation was to evaluate the reinforcing effect of different fibre-reinforced composite (FRC) posts and insertion techniques in premolar teeth when using minimal invasive post space preparation. MATERIALS AND METHODS: Thirty two extracted and endodontica...
Elmentve itt :
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| Dokumentumtípus: | Cikk |
| Megjelent: |
2015
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| Sorozat: | FOGORVOSI SZEMLE
108 No. 4 |
| Tárgyszavak: | |
| mtmt: | 3174181 |
| Online Access: | http://publicatio.bibl.u-szeged.hu/12135 |
| Tartalmi kivonat: | OBJECTIVES: The purpose of this in vitro investigation was to evaluate the reinforcing effect of different fibre-reinforced composite (FRC) posts and insertion techniques in premolar teeth when using minimal invasive post space preparation. MATERIALS AND METHODS: Thirty two extracted and endodontically treated premolar teeth were used and divided into four groups (n = 8) depending on the post used (Group 1-4). 1: one single conventional post, 2: one main conventional and one collateral post, 3: one flexible post, 4: one main flexible and one collateral post. After cementation and core build-up the specimens were submitted to static fracture toughness test. Fracture thresholds and fracture patterns were recorded and evaluated. RESULTS: The multi-post techniques (group 2 and 4) showed statistically higher fracture resistance compared to group one. Regarding fracture patterns there was no statistically significant difference between the tested groups. CONCLUSION: The application of multiple posts seems to be beneficial regarding fracture resistance independent from the used FRC post. Fracture pattern was not influenced by the elasticity of the post. |
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| Terjedelem/Fizikai jellemzők: | 115-119 |
| ISSN: | 0015-5314 |