Influence of ceramic thickness and polymerization mode of a resin luting agent on early bond strength and durability with a lithium disilicate-based ceramic system.

Statement Of Problem: Attenuation of polymerization light energy by translucent all-ceramic materials may result in insufficient polymerization of underlying resin luting agents and inadequate early bond strength and durability. There is little information regarding the selection of an appropriate polymerization mode for cementing translucent all-ceramic restorations.

Purpose: The purpose of this study was to evaluate the influence of ceramic thickness and polymerization mode on the early bond strength and bond durability of a lithium disilicate-based ceramic system.

[Quantification of hepatic arterial and portal venous flow using ultrasound contrast agents for early detection of liver metastases of colorectal cancers].

Purpose: To quantify liver blood flow using US contrast agents and to evaluate arterial and portal changes in control patients and patients with liver metastases.

Materials And Methods: Twenty eight patients were included in this study, 8 controls (M0) and 20 patients with liver metastases from colon carcinoma (M+). Hepatic blood flow from hepatic artery and portal vein were determined using quantification of enhancement after contrast injection using Power Doppler US.

[Value of sonography in the diagnosis and follow-up of patients with cryptogenic inflammatory bowel diseases in current practice: review of a 10-year experience in a community hospital].

Inflammatory bowel diseases (IBD) are chronic inflammatory diseases of the bowel that are of unknown etiology. These diseases either progress with intermittent flare-ups interrupted by periods of remission or on a chronic active progressive mode. IBDs include Crohn disease (CD) and ulcerative colitis (UC).

A multi-centre study of Osseotite implants supporting mandibular restorations: a 3-year report.

This multi-centre study evaluated the performance of the Osseotite implant in the mandibular arch. Osseotite implants (n = 688) were placed in 172 patients; 43.5% were placed in the anterior mandible and 66.

[Computed tomography study of the sigmoid colon: discriminating diagnostic criteria and interobserver correlations].

Purpose: To assess the value of pericolonic findings at CT in the evaluation of the sigmoid colon.

Materials And Methods: A total of 210 CT examinations were retrospectively reviewed by 3 blinded radiologists. Data was analyzed to determine the interobserver correlation and the value of pericolonic and colonic wall findings in diagnosis of sigmoid colon pathology.

Complications of lumbar puncture with injection of hydrosoluble material.

We report two cases of severe disorders after spinal puncture with injection of hydrosoluble material. The first case concerned a 36-year-old woman with intrathecal injection of 125 ml of hydrocortisone acetate. An intracranial occipital hematoma developed.

[Single shot fast spin echo sequence MRI cholangiopancreatography].

Purpose: To assess the value of single shot fast spin echo MR sequence (SS-FSE) in the morphological analysis of the biliary tree and pancreatic ducts and to compare its accuracy with other imaging methods.

Material And Methods: 95 consecutive patients referred for clinical and/or biological suspicion of biliary obstruction were explored with MR cholangiopancreatography (MRCP). All patients were explored with a Signa 1.

[Pediatric joint ultrasonography. Aspects of synovial pathology].

Until recently, few articular indications for sonographic imaging have been widely accepted. However, concerns about imaging costs are expanding its role in musculo-skeletal pathology. Valuable diagnosis insight are readily obtained with recently available high frequency transducers.

Assessment of articular cartilage and subchondral bone: subtle and progressive changes in experimental osteoarthritis using 50 MHz echography in vitro.

The main objectives of this work were to demonstrate the potential of 50 MHz echography for assessing initial and progressive morphological and structural changes of articular cartilage and bone developed in an experimental model of osteoarthritis (OA). Degenerative lesions were induced in rat knees by the unilateral intra-articular injection of a 3 mg dose of mono-iodo-acetic acid. To assess the lesion progression, the animals (n = 30) were sacrificed at different time intervals up to 8 weeks after the injection.

Painful scoliosis.

In case of painful scoliosis, a search for etiologic factors in the vertebral spinal canal and adjacent structures should be made. MRI with Gadolinium is useful to look for various pathology in and around the spine in particular of spinal cord. CT scanning is indispensible for bony details.

Non-ossifying fibroma of the spine.

Non-ossifying fibroma of the spine is a rare disease: three cases have been reported in adults. We report a 17-year-old boy who had an asymptomatic osteolytic lesion of the body of the 1st lumbar vertebra. There were several radiolucent areas with sclerotic margins.

[Eosinophilic granuloma of bones in children].

Eosinophilic granuloma of bone or Langerhans cell histiocytosis is mostly unifocal. It appears on plain X Ray as a solitary destructive lesion of long bones or flat bones. CT is useful to define the extension to the cortical bone and also to precisely localize the lesion when the anatomy is complex (hip, spine, base of the skull).

[Imaging of bronchogenic cysts in children].

The authors report a retrospective series of 22 cases of bronchogenic cysts in children. The development of antenatal ultrasonography allowed the diagnosis in 3 cases. When the diagnosis is suggested for the time first postnatally, chest x-ray and oesophagography remain the essential initial investigations.