PURPOSE Extensive tunnel expansion in hamstring anterior cruciate ligament (ACL) reconstruction can complicate revision surgery. The purpose of this study was to examine our hypothesis that compaction of a bone dowel into the tibial tunnel reduces the cross-sectional area of the tunnel on the day of surgery and limits tunnel expansion to that of the cross-sectional area of the reamer at 4 month...

nowadays cmm machines are widely used in surface measurement and inspection. as inspection results from cmm machine are obtained by the means of measuring surfaces with direct contact, they are more precise than non-contact method (like optical measurement). however, cmm machines give more reliable and accurate results rather than non-contact methods but also these results come with error when ...

STATEMENT OF PROBLEM Success rates for making fixed prosthodontic impressions based on material and tray selection are not known. PURPOSE The purpose of this clinical study was to compare first impression success rates for 2 types of impression material and 2 impression tray systems. MATERIAL AND METHODS Dual-viscosity impressions were made with a vinyl polysiloxane (VPS) (Aquasil Ultra Mon...

One way to increase the heat transfer is to use perforated twisted tapes with different hole diameters, which largely improve heat transfer with an increase in the heat transfer area at the constant volume and more mixed flow. In the previous studies, the effect of nanofluids with perforated twisted tapes is less studied. In this work, the performance of water / iron oxide nanofluid in a double...

Low-frequency noise pollution in substations has a significant impact on the physical and mental health of workers. Reduction low-frequency is an urgent problem to solve for researchers. In this paper, different structures Al 2 O 3 -polyurethane composites micro-perforated plate were constructed, effects cavity depth, perforated plate, foam position sound absorption properties comprehensively i...

OBJECTIVE To determine the role of laparoscopy in diagnosis and surgical treatment of perforated Meckel's diverticulum (MD) in adults. METHODS Between July 2003 and July 2011, fifteen patients were seen with perforated MD. Eleven were male and four were female. The median age was 38 years (range, 21-68). All patients presented with a sudden onset of pain. Among them 9 had a past medical histo...

The similar material plays an important role in Geo-mechanical model test, and the proportion influences the test results directly. According to the physical and mechanical properties of the prototype, the cementitious material with good elastic-plastic for iron crystal sand (ISBM) was chosen as the similar material for the research on failure mechanism of surrounding rock under the environment...

Rodents from the Eocene locality of Cos (Tarn-et-Garonne, Quercy, France). Comparison with rodents localities transition lower Eocene/middle Eocene. This article describes new fauna Quercy) whose primates were first studied and published (Godinot et al. 2021) Among these poorly diversified rodent assemblage, smallest species is assigned to Eogliravus wildi. All Hartenberger, 1971 are redescribe...

BACKGROUND To develop an evidence-based protocol for the management of perforated sigmoid diverticular disease. METHODS A search of the literature was undertaken. All publications pertaining to perforated sigmoid diverticular disease were analyzed and then categorized according to their level of evidence. Recommendations were then made on the basis of this. RESULTS Multiple case reports sug...

We report an unusual case of association of plastic bronchitis (PB) to protein-losing enteropathy (PLE) in a girl of 4 years and 9 months of age with double inlet single left ventricle and ventriculoarterial concordance. submitted to total cavopulmonary surgery. with an intracardiac lateral tunnel at the age of three. The elimination of the 10 cm fibrin bronchial mold (PB) and the alpha-1-antit...