Background: Methodology: To investigate impact of novel inner ferrule preparation around cervical part of root canal. A case report featuring endodontically treated tooth restored with newly designed zirconia ceramic post. Special drills were used for horizontal root canal preparation around cervical part and post spaces in canal, leaving at least 3 mm gutta-percha apical seal. Zirconia ceramic posts were cemented with Multilink Automix, upgraded with Multi-Core and zirconia crowns. IF preparation design and new post-core desi Results: gn with retentive rings in the coronal part showed stronger retentive coronal design. IF preparation and retentive rings of the zir Conclusion: conia post contribute to increased fracture strength. Rehabilitation signicantly reduced the severity of root fracture for excellent function and aesthetics.
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Jovanovski et al. (2024) studied this question.
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