with error bars of 2 SD, the results may be seen in perspective (fig. 1, lower panel). The investigators described repeat testing for differences between the groups by Student's unpaired t test or by Mann— Whitney U test, and stated that they then confirmed the differences by analysis of variance or by Kruskal-Wallis. However, it is invalid to test repeatedly by Student's or by Mann-Whitney unl...

Polyetheretherketone (PEEK) is a material suitable for frameworks of fixed dental prostheses. The effect of different surface treatments on the bond strength of PEEK bonded to human dentin was evaluated. One hundred PEEK cylinders (3 mm×3 mm) were divided into five groups according to surface treatment: silica coating, sandblasting with 45 μm Al2O3 particles, etching with 98% sulfuric acid for ...

This thesis proposes a non-parametri te hnique for boundary dete tion in spe kled imagery. Syntheti Aperture Radar (SAR), sonar, B-ultrasound and laser imagery is orrupted by a signal-dependent non-additive noise alled spe kle. Several statisti al models have been proposed to des ribe su h a noise, thus of spe ialized te hniques for image improvement and analysis. The G distribution is a statis...

Regression equations, based on scutal index (body length/scutal width), were developed to determine the duration of attachment for nymphal and adult female lxodes scapularis ticks. Feeding times were calculated for 444 nymphal and 300 female ticks submitted by bite victims between 1985 and 1989 in Westchester County, New York, an area where Lyme disease is highly endemic. Nymphs were attached f...

Objectives: The study’s primary aim was to investigate whether participants who have received more communication skills training see patients as less similar to one another. The study’s secondary aim was to explore differences in perceived patient similarity between male and female doctors, hospital doctors and general practitioners and medical students and doctors. Methods: This study used a c...

PURPOSE To determine prevalence of heel strike in a midsize city marathon, if there is an association between foot-strike classification and race performance, and if there is an association between foot-strike classification and gender. METHODS Foot-strike classification (forefoot, midfoot, heel, or split strike), gender, and rank (position in race) were recorded at the 8.1-km mark for 2112 r...

The reproductive phenology of seven species of Rubiaceae from the Brazilian Atlantic rain forest was compared to evaluate the occurrence of phylogenetic constraints on flowering and fruiting phenologies. Since phenological patterns can be affected by phylogenetic constraints, we expected that reproductive phenology would be similar among plants within a family or genus, occurring during the sam...

OBJECTIVES This study was aimed to describe lecturers' perspective concerning the suitable Conscientiousness Index (CI) components and implementations, as well as to compare the CI scores in year 1-4 student batches. METHODS Components were formulated from objective measurements based on interviews with 12 faculty members. The components include: attendance, adherence to rules, evaluative fee...

While the mortality rates for cervical cancer have been drastically reduced after the introduction of the Pap smear test, it still is one of the leading causes of death in women worldwide. Additionally, studies that appropriately evaluate the risk of developing cervical lesions are needed. Therefore, we investigated whether intracellular signaling entropy, which is measured with microarray data...

OBJECTIVES The aim of this study was to determine the apical surface characteristics and presence of dental cracks in single-rooted premolars, resected 3.0 mm from the root apex, using the Er: YAG laser, tungsten carbide bur, and diamond-coated tip, by scanning electron microscopy (SEM). EXPERIMENTAL DESIGN Thirty single-rooted premolar teeth were collected. The instrumented and obturated tee...