Fatigue Resistance and Mode of Failure of Occlusal Veneers Restoring Worn Molars
Amr Nabil Ismail Rizk;
Abstract
Several conditions may be attributed to erosive wear and destruction of the occlusal enamel and even exposure of the underlying dentin. As a result, over eruption occurs to allow for occlusal contact and compensate for such loss.
In such clinical situations a minimally invasive treatment should be adopted to conserve the remaining intact tooth structure and preserve tooth vitality.
With the advent of CAD/CAM, restorative materials and bondodontics in dentistry, stronger restorative materials were introduced that enable the use of high strength restorations in a very thin thickness that could be truly bonded to the underlying tooth structure encouraging the use of minimally invasive preparation designs in the posterior area rather than onlays or complete coverage
Therefore in our present study, the use of occlusal veneers as a new treatment modality utilizing various CAD/CAM materials and various preparation designs restoring worn molars teeth was investigated by applying cyclic loading then fracture resistance testing to all survived restorations under laboratory conditions.
Three different CAD/CAM materials with three different preparation designs were utilized in the present study.
Forty five intact caries free archived extracted human
In such clinical situations a minimally invasive treatment should be adopted to conserve the remaining intact tooth structure and preserve tooth vitality.
With the advent of CAD/CAM, restorative materials and bondodontics in dentistry, stronger restorative materials were introduced that enable the use of high strength restorations in a very thin thickness that could be truly bonded to the underlying tooth structure encouraging the use of minimally invasive preparation designs in the posterior area rather than onlays or complete coverage
Therefore in our present study, the use of occlusal veneers as a new treatment modality utilizing various CAD/CAM materials and various preparation designs restoring worn molars teeth was investigated by applying cyclic loading then fracture resistance testing to all survived restorations under laboratory conditions.
Three different CAD/CAM materials with three different preparation designs were utilized in the present study.
Forty five intact caries free archived extracted human
Other data
| Title | Fatigue Resistance and Mode of Failure of Occlusal Veneers Restoring Worn Molars | Other Titles | مقاومة الإجهاد و وضع الفشل لقشرة الإطباق المستخدمة في إستعاضة الأضراس البالية | Authors | Amr Nabil Ismail Rizk | Issue Date | 2018 |
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