Volkmar Henschel

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The aim of this in vitro study was to investigate the intra- and interdevice reproducibility of the DIAGNOdent 2095 (DD2095) and the new DIAGNOdent Pen (DDPen) on non-cavitated occlusal caries sites. Altogether, 241 sites on 90 molars were inspected twice with both devices and by four examiners. The intra/interdevice reproducibilities were assessed by means(More)
The goal of this pilot study was to evaluate the effect of a trigger point-specific physiotherapy on headache frequency, intensity, and duration in children with episodic or chronic tension-type headache. Patients were recruited from the special headache outpatient clinic. A total of 9 girls (mean age 13.1 years; range, 5-15 years) with the diagnosis of(More)
AIMS Our pre-clinical studies demonstrated that G-CSF based stem cell mobilization in combination with genetic or pharmaceutical CD26/DPP-IV inhibition after acute myocardial infarction leads to improved cardiac homing of stem cells, enhanced heart function and increased survival. Thereupon, we initiated a phase III, multi-centre, randomised,(More)
INTRODUCTION Inflammatory stimuli are causative for insulin resistance in obesity as well as in acute inflammatory reactions. Ongoing research has identified a variety of secreted proteins that are released from immune cells and adipocytes as mediators of insulin resistance; however, knowledge about their relevance for acute inflammatory insulin resistance(More)
AIMS The aims of this trial were to investigate the effect of granulocyte colony-stimulating factor (G-CSF) on left-ventricular ejection fraction and event-free survival in patients suffering from sub-acute myocardial infarction (STEMI). METHODS We enrolled 44 patients suffering from sub-acute STEMI with late revascularization achieved by percutaneous(More)
INTRODUCTION Screening colonoscopy is an effective means for early detection of colorectal carcinoma. Any exhaustive evaluation of the method must take further factors into account: epidemiology of colorectal adenomas and carcinomas in the target population, acceptance by the patients, structure, process, and outcome quality, and health economics. METHODS(More)
Aim of this investigation was to evaluate the validity and reproducibility of the universal visual scoring systems (UniViSS) on occlusal surfaces in vitro. The validity study included 65 third molars. Following to reach a UniViSS consensus diagnosis for each surface, all teeth were histologically prepared and evaluated according to the newly developed(More)
This study assessed the apical leakage of ultrasonically condensed root fillings in extremely large canals, compared to cold lateral condensation and thermoplastic compaction. Ninety single-rooted teeth were used. In 45 teeth canals were enlarged to size 70 (large). The remaining 45 canals were enlarged to size 140 (extremely large). Each set of teeth was(More)
Software that fits a multivariate proportional hazards model to interval censored event data is urgently needed in medical research. Pan describes the use of the iterative convex minorant algorithm (ICM) to achieve this purpose. The implementation of the ICM is presented as well as a bootstrap procedure to derive information for statistical inference on the(More)
BACKGROUND Multivariate analysis of interval censored event data based on classical likelihood methods is notoriously cumbersome. Likelihood inference for models which additionally include random effects are not available at all. Developed algorithms bear problems for practical users like: matrix inversion, slow convergence, no assessment of statistical(More)