Results 231 to 240 of about 20,304 (254)

Early Failure of Class II Resin Composite Versus Class II Amalgam Restorations Placed by Dental Students

Journal of Dental Education, 2012
Using the information from remake request slips in a dental school's predoctoral clinic, we examined the short‐term survival of Class II resin composite restorations versus Class II dental amalgam restorations. In the student clinic, resin composite is used in approximately 58 percent of Class II restorations placed, and dental amalgam is used in the ...
J.D. Overton, Diane J. Sullivan
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Effect of microthread presence and restoration design (screw versus cemented) in dental implant reliability and failure modes

Clinical Oral Implants Research, 2012
AbstractObjectivesThis study evaluated the reliability and failure modes of implants with a microthreaded or smooth design at the crestal region, restored with screwed or cemented crowns. The postulated null hypothesis was that the presence of microthreads in the implant cervical region would not result in different reliability and strength to failure ...
Érika Oliveira de Almeida, Amílcar Chagas Freitas Júnior, Estevam A. Bonfante, Eduardo Passos Rocha, Nelson R.F.A. Silva, Paulo G. Coelho   +5 more
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Validation of Model Dental Restoration for Failure Prediction

Dental Materials, 2022
Wondwosen Aregawi, A. Zhang, R. Chen, Bruno P. Lima, Conrado Aparicio, Joel Rudney, Alex Fok   +6 more
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Risk factors for failure of class V restorations of carious cervical lesions in general dental practices

Journal of Dentistry, 2018
The aim of this retrospective, non-interventional, multi-center, practice-based study was to analyze factors influencing the survival of restorative treatments of one- and two-surface active cervical (root) caries lesions (CCLs).Records from patients who visited five private practices regularly were searched for the presence of active one- and two ...
Richard Johannes Wierichs, Enno J. Kramer, H. Meyer‐Lueckel   +2 more
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Dental Zirconia Implants up to Three Years in Function: A Retrospective Clinical Study and Evaluation of Prosthetic Restorations and Failures

The International Journal of Oral & Maxillofacial Implants, 2013
The clinical evaluation of one-piece zirconia dental implants with different diameters to determine survival rate and type of implant failure.Information concerning implant surgery (number, diameter, length, and position of inserted implants; patient age, sex, risk factors, and bone quality) was extracted from the clinical records. All treated patients
Michael Gahlert, Doris Burtscher, George Pfundstein, Ingrid Grunert, Heinz Kniha, Stefan Roehling   +5 more
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Influence of the mechanical properties of composites for indirect dental restorations on pattern failure.

Stomatologija, 2007
This study evaluated the fracture pattern of four composites for indirect dental restoration relating to three-point flexural strength, compressive strength and modulus of elasticity (Solidex, Artglass, belleGlass, and Targis). Ten specimens of each composite were tested in a universal testing machine at 0.5 mm/min crosshead speed for flexural strength
Michel Espinosa Klymus, Rosemary Sadami Arai Shinkai, Eduardo Gonçalves Mota, Hugo Mitsuo Silva Oshima, Ana Maria Spohr, Luiz Henrique Burnett   +5 more
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Failure mode of dental restorative materials under Hertzian indentation

Dental Materials, 2007
To explore the application of Hertzian indentation testing to amalgam and GIC; study the failure behavior of the bi-layer structure of each material on a relatively soft substrate; and investigate the effect of thickness.Amalgam (Lojic+, SDI, Bayswater, Australia) and ceramic-reinforced GIC (Advanced Healthcare, Tonbridge, UK) discs, 10 mm diameter ...
Yan, Wang, B W, Darvell
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[Failure in dental restorations in dental students in Bahia].

Revista gaucha de odontologia, 1974
G Tabacof
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[Cavity lining as a cause of failure in dental restorations].

Swiss dent, 1982
B Lüdin
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Application of Optical Coherence Tomography to detect failures at the enamel dental restoration interface— an in vivo study

CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference, 2009
Cláudia Cristina Brainer de Oliveira Mota, H. U. K. S. Kashyap, Bernardo B. C. Kyotoku, Anderson S. L. Gomes   +3 more
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