Evaluation of the effects of avatar on learning temporomandibular joint in a metaverse-based training.

Purpose: Avatars, representing users in the digital world, can influence users' behavior and attitudes. This study evaluates the impact of representing dental students receiving temporomandibular joint (TMJ) education in the metaverse via an anonymous or identified avatar.

Methods: Participants included 80 dental students in their fourth and fifth years of study.

Effect of preparation design on the fracture resistance and fracture patterns of 3D printed one-piece endodontic crowns.

Statement Of Problem: The impact of various preparation designs on the fracture resistance and fracture type of mandibular premolars restored with 3 dimensionally (3D) printed, 1-piece endodontic crowns remains unclear.

Purpose: The purpose of this study was to investigate the effect of different preparation designs on the fracture resistance and fracture patterns of mandibular premolars restored with 3D printed 1-piece endodontic crowns after thermal aging.

Material And Methods: Forty-five freshly extracted mandibular premolars received 3 different preparation designs: with at least 2 intact cuspal walls (2CW), with only 1 intact cuspal wall (1CW), and no cuspal wall present (NoCW).

Evaluation of the Effect of Different Abutment Materials on the Final Color of the Restoration After Aging: An In Vitro Study.

Purpose: To compare the effect of thermomechanical aging on implant abutment color change when using different abutment backgrounds.

Materials And Methods: In this study, three separate experimental groups (n = 10) with different implant abutment materials were used: zirconia, modified polyether ether ketone (MPEEK), and polyether ketone ketone (PEKK). Equal-sized glass-ceramic incisor crowns were cemented to the abutments using transparent dual-curing resin cement.

Occlusal Thickness and Cement-Type Effects on Fracture Resistance of Implant-Supported Posterior Monolithic Zirconia Crowns.

Purpose: To evaluate the factors that could influence the fracture resistance of implant-supported posterior monolithic zirconia crowns.

Materials And Methods: Sixty zirconia molar crowns with three different occlusal thicknesses of 0.5, 1.

The effect of nanocoatings of SiO, TiO, and ZrO on titanium-porcelain bonding.

Statement Of Problem: Durable titanium-porcelain bonding is challenging because of the formation of a thick oxide layer on the surface during porcelain firing.

Purpose: The purpose of this in vitro study was to evaluate how atomic layer deposition (ALD) of different oxide coatings affected titanium-porcelain bonding and failure types.

Material And Methods: Forty-four airborne-particle abraded Type-2 titanium specimens were coated by ALD with either SiO, TiO, or ZrO (n=11) at a thickness of 30 nm, whereas control specimens were left uncoated (n=11) (airborne-particle abraded only).

Endodontic management of a patient with dystrophic epidermolysis bullosa: A case report.

Epidermolysis bullosa is a congenital genetic disease that causes blistering and erosion of the skin and mucosa. The main known forms include simple, junction, dystrophic and mixed subtypes. This case report presents the endodontic management and 1-year follow-up of a 27-year-old female patient with epidermolysis bullosa who was referred to the Faculty of Dentistry, Kırıkkale University, Turkey.

Oral parafunctions, personality traits, anxiety and their association with signs and symptoms of temporomandibular disorders in the adolescents.

Objectives: To investigate the association between oral parafunctions, personality traits, anxiety and signs and symptoms of temporomandibular disorders in the adolescents.

Methods: Two hundred and seventy adolescents were examined clinically for the signs and symptoms of temporomandibular disorders. Participants completed questionnaires about demographic variables, medical history, symptoms of temporomandibular disorders, parafunctional oral habits, Minnesota Multibasic Personality Inventory, and Spielberger State-Trait Anxiety Inventory.

Fracture Resistance of Titanium, Zirconia, and Ceramic-Reinforced Polyetheretherketone Implant Abutments Supporting CAD/CAM Monolithic Lithium Disilicate Ceramic Crowns After Aging.

Purpose: The purpose of this study was to compare the fracture resistances and the fracture types of titanium, zirconia, and ceramic-reinforced polyetheretherketone (PEEK) implant abutments supporting CAD/CAM monolithic lithium disilicate ceramic crowns after in vitro dynamic loading and thermocycling aging.

Materials And Methods: Three implant abutment (SKY Implant) groups-titanium (group Ti, control); zirconia with titanium base (group Zr); and ceramic-reinforced PEEK (BioHPP) with titanium base (group RPEEK); n = 12 each-were used. Thirty-six CAD/CAM monolithic lithium disilicate crowns (IPS e.

The effect of repeated bonding on the shear bond strength of different resin cements to enamel and dentin.

Purpose: Cementation failures of restorations are frequently observed in clinical practice. The purpose of this study is to compare the effect of initial and repeated bonding on the bond strengths of different resin cements to enamel and dentin.

Materials And Methods: Ninety human maxillary central incisors were bisected longitudinally.