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Year : 2019  |  Volume : 19  |  Issue : 2  |  Page : 166-172

An in vitro study to compare the influence of newer luting cements on retention of cement-retained implant-supported prosthesis

Department of Prosthodontics, Yenepoya Dental College, Yenepoya Deemed to be University, Deralakatte, Mangalore, Karnataka, India

Correspondence Address:
Dr. Arifa Hassan
Niema-3, Kalpaka Nagar, Marappalam, Pattom Post, Trivandrum - 695 004, Kerala
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jips.jips_235_18

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Purpose: The study was conducted to evaluate the retentiveness of specifically formulated implant cements and compare its retentiveness with a commonly used noneugenol zinc oxide luting cement and also to assess the influence of abutment height on the retentiveness of these cements. Materials and Methods: A master stainless steel mold was used to mount snappy abutment-implant analog complex in acrylic resin. A total of six snappy abutments (Nobel Biocare®) of 4 mm and 5.5 mm height with their analogs were used. A total of 66 ceramill® Sintron metal copings fabricated using computer-aided design/computer-aided manufacturing system and divided into six groups (n = 11) according to the height (three 4 mm abutment and three 5.5 mm abutment). The cements that were compared were a Noneugenol zinc oxide provisional cement (Temp-BondTM NE), a Noneugenol temporary resin cement (Premier® Implant Cement) and a resin based acrylic urethane cement (Implalute® Implant Cement). After cementation samples were immersed in artificial saliva for 7 days and subjected to a pull-out test using a universal testing machine at a crosshead speed of 1 mm/min. The load required to de-cement each coping was recorded and analyzed using one-way ANOVA, post hoc multiple comparison, and independent t-test. Results: Noneugenol temporary resin cement had the highest tensile strength followed by noneugenol zinc oxide cement and the least retentive strength was observed in resin-based acrylic urethane cement. Conclusion: The results suggest that noneugenol temporary resin cement may be considered as a better choice for cementation of implant prosthesis, as it has shown to have better mechanical properties.

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