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Articles 1 - 5 of 5
Full-Text Articles in Analytical, Diagnostic and Therapeutic Techniques and Equipment
Is Electrical Stimulation A Predictive Tool For Autonomic Dysfunction In Males With Diabetes?, Susan Dorothy Rand
Is Electrical Stimulation A Predictive Tool For Autonomic Dysfunction In Males With Diabetes?, Susan Dorothy Rand
Loma Linda University Electronic Theses, Dissertations & Projects
The purpose of this study was to examine whether electrical stimulation can be used as a predictive tool to assess autonomic dysfunction in males with diabetes. The study was designed to better understand the extent of autonomic nervous system (ANS) dysfunction in the diabetic population.
Controls and patients with diabetes were recruited from the community at large and the Loma Linda University Diabetes Treatment Center and were managed by a physician. Twelve (12) people with diabetes and thirteen (13) control subjects participated. Mean age (years) for people with diabetes was 52.4 +/- 6.1 and 47.2 +/-11.1 for controls (p =0.05). …
Detection Of Simulated Apical Root Resorption Using Three Cone Beam Ct Machines, Marcus Paulson
Detection Of Simulated Apical Root Resorption Using Three Cone Beam Ct Machines, Marcus Paulson
Loma Linda University Electronic Theses, Dissertations & Projects
The purpose of this study was to determine orthodontists' ability to discriminate small differences of simulated apical root resorption (SARR) on extracted teeth, using the output from three cone beam computed tomography (CBCT) machines. Twenty-four unrestored maxillary anterior teeth exhibiting normal morphology, were collected. The teeth were scanned by three CBCT machines: 1) the NewTom 3G (AFP imaging, USA), 2) the iCAT (Imaging Sciences, USA) 3) and the MicroCAT II (Siemens Medical, USA). Using a sandblaster the apical portion of each tooth was reduced in 0.5 mm increments up to a total reduction of 1.5 mm. Each root modification was …
Comparison Of Laser And Phosphoric Acid Etching On Sealant Shear Bond Strength, Seth David Latimer
Comparison Of Laser And Phosphoric Acid Etching On Sealant Shear Bond Strength, Seth David Latimer
Loma Linda University Electronic Theses, Dissertations & Projects
PURPOSE: To compare the effect of traditional phosphoric acid etching with Er,Cr:YSGG laser enamel etching on the shear bond strength of sealant material.
METHODS: Extracted healthy third molars were mounted in acrylic exposing the flattest surface available. Three groups of twenty teeth were used to evaluate traditional acid etching with 37% phosphoric acid as a control group as well as two different laser settings. The sealant material was attached using specialized jigs and then subjected to shear bond strength testing utilizing the ultradent method (MTS machine). Statistical methods employed were the Kruskal-Wallis rank test and the Mann-Whitney U test.
RESULTS: …
Biochemical Characteristics Of Inconsistent Free T₄ Assays, Kristofer S. Fritz
Biochemical Characteristics Of Inconsistent Free T₄ Assays, Kristofer S. Fritz
Loma Linda University Electronic Theses, Dissertations & Projects
Serum levels of free thyroxine (T4) are helpful in the clinical evaluation of patients who are suspected of having thyroid disease, since free T4 (unbound) is known to closely relate to hyper, eu and hypothyroidism. There are documented inconsistencies among commercially available direct free thyroxine immunoassays. The biochemical basis for these inconsistencies is not understood and has not been characterized. Direct free T4 measurements have been linked to both T4-binding serum protein concentrations and protein-bound T4 concentrations. A free T4 reference method using direct equilibrium dialysis radioimmunoassay has been well characterized. New …
Reproducibility Of Two Non-Consecutive Scans Using A Newtom 3g; In Vitro Model, Hyoung Jin Park
Reproducibility Of Two Non-Consecutive Scans Using A Newtom 3g; In Vitro Model, Hyoung Jin Park
Loma Linda University Electronic Theses, Dissertations & Projects
Purpose: The aim of this study was to evaluate the reproducibility of mineral density measurement expressed in Hounsfield Units (HU) using a phantom device with known mineral densities and the NewTom 3G Cone Beam Computerized Tomography (CBCT).
Materials and Methods: A phantom device made of 21 HA cylindrical disks with known densities was fabricated. The phantom was scanned in 6, 9, and 12 inch fields of view using a NewTom 3G CBCT. The scans were repeated at non-consecutive sessions. Volumetric data in each of the scans were formatted to DICOM images. HU values of the regions of interest were retrieved …