Results 121 to 130 of about 11,980 (262)

Marginal gap of printed, milled, and heat‐pressed two‐piece polyetheretherketone abutments before and after thermal cycling, and their pull‐off bond strength after thermal cycling

Journal of Prosthodontics, EarlyView.
Abstract Purpose To evaluate the marginal gap of two‐piece polyetheretherketone (PEEK) abutments fabricated with different methods, before and after thermal cycling, while also focusing on their pull‐off bond strength. Materials and Methods A two‐piece abutment was virtually designed after digitizing a titanium‐base (Ti‐base) abutment.
Almira Ada Diken Türksayar, Burcu Kanpalta, Naime Bilinç Bulucu, Sandra Schulnig, Sebastian Spintzyk, Münir Demirel, Mustafa Borga Donmez   +6 more
wiley   +1 more source

Assessment of impact of a control die on marginal fidelity of milled zirconia crown copings for finishing and polishing

Journal of Prosthodontics, EarlyView.
Abstract Purpose This study evaluated and compared the marginal fidelity of milled zirconia copings before and after finishing and polishing with and without a control die. Materials and Methods This prospective multicenter in vitro trial involved two methods regularly used in two clinics for hybrid and full‐digital workflows.
Marwan Al Akkad, John Sorensen, Omar Hamadah, Iva Voborna, Marek Matoušek, Radek Mounajjed   +5 more
wiley   +1 more source

Biomechanics of the implant‐supported full arch fixed complete denture manufactured by milling and injection techniques: An experimental and FEA study

Journal of Prosthodontics, EarlyView.
Abstract Purpose This study aims to characterize the mechanical properties of implant‐supported full arch fixed complete dentures manufactured by milling and injection techniques. Materials and Methods Twenty‐two samples with milling and injection manufacturing techniques were fabricated.
Mustafa Gürkan, Ovul Kumbuloglu, Makbule Heval Şahan, Mert Narin, Halis Kandaş, Yusuf Arman, Hasan Yildiz, Mahmut Pekedis   +7 more
wiley   +1 more source

Evaluating Fracture Resistance of Implant-Supported Crowns Using Lithium Disilicate vs. Zirconia Restorations

Pakistan Journal of Medicine and Dentistry
Background: Implant-supported crowns are required to withstand larger occlusal forces, especially in posterior areas. Restorative ceramics, such as lithium disilicate and monolithic zirconia, are popular; however, their mechanical properties differ ...
Anum Kamran, Muhammad Haseeb Rana, Amira Shahid, Samena Memon, Muhammad Akram Ramzan   +4 more
doaj   +1 more source

Influence of manufacturing methods and use of CoCr-based abutments on vertical and horizontal marginal fit and torque loss in implant-supported prostheses [PDF]

Journal of Applied Oral Science
Objectives This in vitro study evaluated implant-supported single crowns with external connections fabricated using different techniques (cast and CAD/CAM) and materials (metal-ceramic and translucent zirconia) regarding vertical and horizontal marginal
João Pedro Justino DE OLIVEIRA LIMIRIO, Jéssica Marcela de Luna GOMES, Joel Ferreira SANTIAGO-JUNIOR, Cleidiel Aparecido Araújo LEMOS, Maria Cristina Rosifini Alves REZENDE, Eduardo Piza PELLIZZER   +5 more
doaj   +1 more source

Assessment of fit accuracy and retentive strength of additively manufactured zirconia crowns luted to Ti‐base abutments with different resin cements: An in vitro study

Journal of Prosthodontics, EarlyView.
Abstract Purpose This study investigated the influence of cement gap size on the marginal and internal fit, and cement gap size and type on retention of additively manufactured zirconia (AM‐Z) crowns on titanium bases (Ti‐base). Materials and Methods A total of 135 zirconia crowns were designed with three different cement gap sizes: 20 µm, 30 µm, and ...
Rafat Sasany, Sultan Merve Uçar, Burak Yilmaz   +2 more
wiley   +1 more source

Advantages and feasibility of prefabricated PEEK crowns for aesthetic restoration in primary teeth

Scientific Reports
Objectives The main purpose of this study is to evaluate the efficacy of polyetheretherketone (PEEK) as a material for prefabricated crown restorations in pediatric dentistry, particularly for restoring primary tooth structure defects.
Yujiang Chen, Wenlin Liu, Zhenzhen Wu, Siyun Wang, Yichen Li, Bo Su, Shibao Li   +6 more
doaj   +1 more source

Evaluation of Diagnostic Visibility in CBCT Images with Prosthodontic Crown-Induced Artifacts: Retrospective CBCT Analysis

Journal of Pharmacy and Bioallied Sciences
Background: CBCT is widely used in dental diagnostics, but image artifacts from prosthodontic crowns can reduce diagnostic clarity. This study evaluated the effect of crown materials—metal, PFM, and zirconia—on CBCT visibility.
V Amalorpavam, V D Ponjayanthi, S Ramesh Raja, Giri Chandramohan, Mary Sheloni Missier, Allen Jim Hines   +5 more
doaj   +1 more source

RETRACTED: Surface gloss and micro‐CT analysis of additively and subtractively manufactured resin composites and zirconia after simulated tooth brushing with different bristle types and toothpaste formulations: An in vitro study

Journal of Prosthodontics, EarlyView.
Abstract Purpose This study aimed to evaluate the effects of simulated tooth brushing with different bristle types and two toothpaste formulations on the surface gloss and structural integrity of additively (AM) and subtractively (SM) manufactured resin composites and zirconia.
Ahmet Faruk Ertürk, Rafat Sasany, Seyed Ali Mosaddad, Merve Yelken Kendirci   +3 more
wiley   +1 more source

Effect of margin thickness and cement gap on the fabrication and fit accuracy of additively manufactured crowns in definitive resins with different filler content

Journal of Prosthodontics, EarlyView.
Abstract Purpose To evaluate how commercially available composite resins in varying filler content affect the fabrication and fit accuracy (trueness and precision) of additively manufactured (AM) definitive crowns with different margin thickness and cement gaps by comparing them to subtractively manufactured (SM) polymer‐infiltrated ceramic crowns ...
Mustafa Borga Dönmez, Gülce Çakmak, Çiğdem Kahveci, Amir H. Nejat, Burak Yilmaz, Pinar Altinci   +5 more
wiley   +1 more source