Fracture Strength of Thin Monolithic Zirconia Crowns with Varying Thickness and Configuration of Finish Lines- An In Vitro Study

Kirti Singh¹, Sumit Singh Phukela¹, Puja Malhotra¹

¹ Department of Prosthodontics, Crown and Bridge & Oral Implantology, Shree Guru Gobind Singh Tricentenary University, Gurugram, Haryana 122505, India

Abstract

Aim- The current study sought to assess the fracture strength of thin monolithic zirconia crowns of varying thickness and finish line configuration. Study design- The current study was carried out to evaluate and compare the fracture strength of monolithic zirconia crowns with chamfers and radial shoulder finish lines of 0.5, 0.8, and 1.1 mm thickness. Result- Monolithic zirconia crowns with merely 0.5 mm reduction demonstrated adequate strength for use in posterior areas. On evaluation and comparison it was observed that no statistically significant difference was found in the fracture strength of monolithic zirconia crowns with different thicknesses and finish lines was investigated. Conclusion- The 0.5 mm thickness of monolithic zirconia crowns demonstrated significant fracture resistance to withstand physiological performance, regardless of finish line type.

Imprint

Kirti Singh, Sumit Singh Phukela, Puja Malhotra. Fracture Strength of Thin Monolithic Zirconia Crowns with Varying Thickness and Configuration of Finish Lines- An In Vitro Study. Cardiometry; Issue 25; December 2022; p.1311-1318; DOI: 10.18137/cardiometry.2022.25.13111318; Available from: https://www.cardiometry.net/issues/no25-december-2022/fracture-strength-monolithic

Keywords

Monolithic Zirconia Crowns, Fracture Strength, Varying Thickness, Finish Line, Minimal Tooth Preparation

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