Methods and Materials: Fourteen patients with at least one or two pairs of non-carious lesions under occlusion and a mean age of 50 were enrolled in this study. A total of 56 restorations (14 with each material) were placed by three experienced, calibrated dental practitioners. Two other experienced and calibrated practitioners, under single-blind conditions, followed up on all restorations for...

In a mathematical approach to hypothesis tests, we start with a clearly defined set of hypotheses and choose the test with the best properties for those hypotheses. In practice, we often start with less precise hypotheses. For example, often a researcher wants to know which of two groups generally has the larger responses, and either a t-test or a Wilcoxon-Mann-Whitney (WMW) test could be accep...

To investigate the effect of basic Fibroblast Growth Factor (bFGF) on fibrovascular ingrowth into porous polyethylene orbital implants (Medpor) and to investigate any differences according to the method of administration. For the treated groups, after evisceration and Medpor implantation, bFGF was administered by soaking Medpor in the bFGF solution, and/or by injecting bFGF into the Medpor 1 we...

In this research, it is aimed to determine whether problem solving skills of 60-72month-old children attending a nursery school change as regards gender, birth order, the duration of nursery school attendance and the number of children in the family. The sample of 204 children consisting of 60-72 month-old children attending a nursery school are interviewed. Data is collected by means of the Pe...

PURPOSE The objective of this study was to evaluate morphological changes of the mandible in edentulous and dentate subjects using panoramic radiographs. MATERIALS AND METHODS Panoramic radiographs were divided into the following three groups: Group I (completely edentulous group), Group II (old dentate group) and Group III (young dentate group). The research parameters of gonial angle, condy...

PURPOSE To study, through endoscopy, the postoperative structural changes of the intranasal ostium following external dacryocystorhinostomy and to evaluate the influence of saline solution and 5-fluorouracil. METHODS Fifty patients were distributed into the following groups: Group SS-dacryocystorhinostomy and an injection of saline solution during surgery (13 patients); Group 5--FU1-dacryocys...

This study investigated the relationship between clinical personality patterns and cognitive appraisal as well as their repercussions on adjustment to chronic pain in a sample of 91 patients. It was predicted that clinical personality patterns would be related to adjustment and cognitive appraisal processes, whereas cognitive appraisals would be related to anxiety, depression and levels of perc...

The goal of this study was to determine school counselors’ opinions concerning the use of information and communication technology (ICT) in school counseling practices. The participants were 61 school counselors (54 female, 7 male) who worked in middle (17), high (23), middle/high (19), and primary (2) schools. The mean age was 33.4 years. The Internet Usage Questionnaire was used to collect pa...