PURPOSE To compare the fracture resistance before and after cyclic fatigue assays of ceramic crowns with customized zirconia abutments when screw retained and cemented onto implants. MATERIALS AND METHODS The sample of this study consisted of 40 ceramic crowns with zirconia infrastructure fixed onto external hexagonal implants. The crowns were distributed into two groups (n = 20): Screw-retai...

Endodontic treatment makes the tooth brittle due to loss of bulk of tooth structure, decrease in the moisture content of dentin and dentin elasticity. The following study was carried out to evaluate the effect of endodontic treatment on the fracture resistance of the tooth and reinforcing ability of three different core materials. The following study comprised of sample size of 30 deciduous sec...

Objective: To evaluate the results of fracture union in closed reamed interlocking nail in fractures of femur. Methodology: A descriptive study conducted at Department of Orthopaedic surgery Ittefaq Hospital Lahore from March 2003 to July 2004. Fifty patients were recruited from Accident & Emergency and out patient department having close fracture of femoral shaft. All patients were operated un...

BACKGROUND Recently a Fracture and Osteoporosis outpatient clinic (FO clinic) was set up at the University Medical Centre groningen (UMCG) with the aim to optimise case-finding of osteoporosis in older patients with a low-energy fracture. To provide a diagnostic setting before the start of our fo clinic, case-finding was carried out in patients who suffered an 'osteoporotic' fracture in the yea...

Fractures of the caudal portion of the mandible and temporomandibular joint (TMJ) fracture-luxation can be challenging to treat with direct fixation methods. This paper describes a simple technique for the indirect treatment of caudal mandibular fracture and TMJ fracture-luxation using a subcutaneous loop of nylon leader line tunnelled around the maxilla, incisive and nasal bones, and under the...

The present prospective study seeks to evaluate the incidence of tripod fracture, etiology and treatment options. All patients with faciomaxillary fractures following road traffic accidents admitted in the Deptt. Of otorhinolayngology, silchar medical college & hospital, Assam during the period of one year from Aug 2011 to Aug 2012, were scrutinized for tripod fracture, both clinically and radi...

Background. In this study, the cut-out risk of Dynamic Hip Screw (DHS) was investigated in nine different positions of the lag screw for two fracture types by using Finite Element Analysis (FEA). Methods. Two types of fractures (31-A1.1 and A2.1 in AO classification) were generated in the femur model obtained from Computerized Tomography images. The DHS model was placed into the fractured femur...

Head injuries are the most serious injuries in the term of morbidity and mortality. This study was conducted in Government Medical College mortuary among the 200 post mortem cases of road traffic accident victims over the period of one year from 1st October 2014 to 30th September 2015. All the cases coming during the study period were included in the study. The objective is to find out pattern ...

Computed tomographic (CT) findings in four patients with isolated blow-out fracture of the medial orbital wall are reported. CT delineated the fracture site and its extent in each case, and clearly demonstrated medial rectus muscle entrapement in two. This was confirmed by surgery. CT was found superior to poly tomography and proved to be the best radiologic means for the diagnosis of medial or...

Bin Zhou, M. D. Thouless, and S. M. Ward Department of Mechanical Engineering Department of Material Science and Engineering University of Michigan Ann Arbor, MI, 48109 Scientific Research Laboratory Ford Motor Company Dearborn, MI, 48124 Abstract A methodology for determining the cohesive facture parameters associated with pull-out of spot welds is presented. Since failure of a spot weld by pu...