Results: 104

Current options concerning the endodontically-treated teeth restoration with the adhesive approach

Braz. oral res. (Online); 32 (supl.1), 2018
Abstract: Adhesive procedures have changed the way to restore endodontically treated teeth (ETT). It started with the shift from cast post-and-core to fiber post. The original focus on strength also shifted towards failure modes, revealing that catastrophic failures are still a concern when restoring end...

Pulp canal obliteration after traumatic injuries in permanent teeth - scientific fact or fiction?

Braz. oral res. (Online); 32 (supl.1), 2018
Abstract: Pulp canal obliteration (PCO) is a frequent finding associated with pulpal revascularization after luxation injuries of young permanent teeth. The underlying mechanisms of PCO are still unclear, and no experimental scientific evidence is available, except the results of a single histopathologic...

Prevalence of and factors associated with enamel fracture and other traumas in Brazilian children 8-10 years old

Abstract The aim of this study was to assess the prevalence and discriminate the associated factors between enamel fractures and other trauma/trauma sequelae in 8 to 10-year-old Brazilian schoolchildren. A representative sample of 1,201 children from public and private schools were enrolled in this cross...

Influence of remaining coronal thickness and height on biomechanical behavior of endodontically treated teeth: survival rates, load to fracture and finite element analysis

J. appl. oral sci; 26 (), 2018
Abstract Objective To evaluate the effect of restorative strategy (fiber post vs cast post and core), coronal height (0 mm vs 2 mm) and thickness (higher than 1 mm vs lower than 1 mm) on survival rate, fracture resistance and stress distribution. Material and Methods Seventy-two bovine teeth were clean...

Effect of cavity preparation design and ceramic type on the stress distribution, strain and fracture resistance of CAD/CAM onlays in molars

J. appl. oral sci; 26 (), 2018
Abstract Objective This study aimed to evaluate the effect of the cavity preparation and ceramic type on the stress distribution, tooth strain, fracture resistance and fracture mode of human molar teeth restored with onlays. Material and Methods Forty-eight molars were divided into four groups (n=12)...

Retrospective Study of Traumatic Dental Injuries of Patients Treated at a Dental Trauma Clinic in Santiago, Chile

ABSTRACT: The aim of this study was to carry out a retrospective study of cases seen at the Child and Adult Dental Traumatology Clinic, Faculty of Dentistry, Universidad de Chile, Santiago. A retrospective study was carried out analysing the records of patients seen at the Dental Traumatology Clinic, Fac...

Estabilizador Endodóntico en Fractura Complicada de Raíz en visita única
Endodontic Stabilizer in Complicated Root Fracture in a single visit

Introducción: La fractura complicada de raíz del tercio medio es una entidad compleja de pronóstico mayormente desfavorable y curso sintomático, donde el éxito clínico en no pocas oportunidades se convierte en una utopía, dado que la estabilidad en el afrontamiento de los bordes libres de los frag...

Tooth fragment re-attachment in fracture with biological width violation: case

ABSTRACT: Dento-alveolar traumas are one of the most frequent injuries to teeth, mainly affecting the upper incisors due to their exposed position in the dental arch. In such cases, esthetics, function and phonetics of anterior teeth may be compromised. Furthermore, when there is involvement of the biolo...

Misfit and fracture load of implant-supported monolithic crowns in zirconia-reinforced lithium silicate

J. appl. oral sci; 25 (3), 2017
Abstract Zirconia-reinforced lithium silicate (ZLS) is a ceramic that promises to have better mechanical properties than other materials with the same indications as well as improved adaptation and fracture strength. Objective In this study, marginal and internal misfit and fracture load with and witho...

Diagnosis of alveolar and root fractures: an in vitro study comparing CBCT imaging with periapical radiographs

J. appl. oral sci; 25 (2), 2017
Abstract Objective To compare periapical radiograph (PR) and cone-beam computed tomography (CBCT) in the diagnosis of alveolar and root fractures. Material and Methods Sixty incisor teeth (20 higid and 40 with root fracture) from dogs were inserted in 60 anterior alveolar sockets (40 higid and 20 wit...