Results 1 to 10 of about 26,749 (303)

Cone-beam computed tomography analysis of maxillary premolar canal anatomy: Ahmed’s versus Vertucci’s classifications in a Jordanian cohort [PDF]

open access: yesRestorative Dentistry & Endodontics
Objectives This study analyzed the root and canal configurations of maxillary premolars in a Jordanian subpopulation using cone-beam computed tomography (CBCT) and classified them based on Vertucci’s and Ahmed’s systems. Methods Two hundred CBCT scans of
Raidan Ba-Hattab   +3 more
doaj   +1 more source

Fracture resistance of polyetheretherketone, Ni-Cr, and fiberglass postcore systems: An in vitro study

open access: yesDental Research Journal, 2022
Background: It is unclear which the material is a better choice for post and core rehabilitation systems in endodontically treated teeth. This study aimed to compare the fracture resistance of three different postcore systems.
Hossein Pourkhalili, Donya Maleki
doaj   +1 more source

Endodontic characteristics of mandibular premolar with dens evaginatus: a retrospective study [PDF]

open access: yesRestorative Dentistry & Endodontics
ObjectivesThis study aimed to investigate the endodontic characteristics of mandibular premolars with dens evaginatus (DE) that require endodontic treatment.Materials and MethodsPatients who underwent endodontic treatment were enrolled.
Minjin Kim, Sujin Jeon, Min-Seock Seo
doaj   +1 more source

Evaluation of effort zones between custom implant sinterized and the prefabricated implant though photoelasticity

open access: yesRevista Facultad de Odontología Universidad de Antioquia, 2022
Introduction: the use of custom implants is a very common treatment; we assess and compare their behavior against that of conventional implants. This study aimed to make sure that the stress zones of the custom implant are different from those presented ...
Byron Vinicio Velasquez-Ron   +3 more
doaj   +1 more source

Fracture resistance of five intra-orifice barriers in endodontically treated mandibular premolars: An in vitro study [PDF]

open access: yesVojnosanitetski Pregled
Background/Aim. Endodontically treated teeth (ETT) are more prone to fractures than vital teeth, and insertion of an intra-orifice barrier (IOB) can increase their fracture resistance (FR).
Yüksekkaya İrfan   +3 more
doaj   +1 more source

Correction of Tetralogy of Fallot with Absent Pulmonary Valve Syndrome in a Young Infant Using a Bicuspid Equine Pericardial Tube

open access: yesJournal of the Formosan Medical Association, 2006
Absent pulmonary valve syndrome (APVS) is an uncommon variant of tetralogy of Fallot (TOF), which manifests morphologically as vestigial pulmonary valve cusps at the right ventricle-pulmonary trunk junction.
Jun-Neng Roan   +5 more
doaj   +1 more source

Evaluation of possible vertical fractures and therapeutic possibilities: A case report.

open access: yesJournal of Oral Research, 2012
Restorative treatment of endontic teeth supossed certain complications, especially when the restoration is not adequate. Indications for treatment vary according to the remaining tooth .
Luis Espinoza, Carlos González
doaj   +1 more source

The Hammock Sign in Computed Tomography as a Detection Aid for Bicuspid Aortic Valves

open access: yesJournal of the Belgian Society of Radiology, 2023
Introduction: Bicuspid aortic valve is difficult to detect on standard transverse images. Purpose: We aimed to investigate the usefulness of the hammock sign for detection of bicuspid aortic valve.
Daniel Devos   +2 more
doaj   +1 more source

Pulmonary artery and right ventricle function in patients with bicuspid aortic valve

open access: yesTürk Kardiyoloji Derneği Arşivi, 2017
Objective: Bicuspid aortic valve (BAV) is a complex developmental anomaly caused by abnormal aortic leaflet formation during valvulogenesis. The present study is an assessment of the effects of BAV disease on the ascending aorta and pulmonary artery (PA),
Çetin Geçmen   +12 more
doaj   +1 more source

Combined simulation and ex vivo assessment of free-edge length in bicuspidization repair for congenital aortic valve diseaseCentral MessagePerspective

open access: yesJTCVS Open
Objective: The study objective was to investigate the effect of free-edge length on valve performance in bicuspidization repair of congenitally diseased aortic valves.
Perry S. Choi, MD   +7 more
doaj   +1 more source

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