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Medicine and Health Sciences Commons

Open Access. Powered by Scholars. Published by Universities.®

2013

University of Nevada, Las Vegas

UNLV Theses, Dissertations, Professional Papers, and Capstones

Articles 1 - 8 of 8

Full-Text Articles in Medicine and Health Sciences

New Mouthguard Design With Intermediate Nickel-Titanium And Foam Layer, Freddie Martinez Dec 2013

New Mouthguard Design With Intermediate Nickel-Titanium And Foam Layer, Freddie Martinez

UNLV Theses, Dissertations, Professional Papers, and Capstones

Mouthguards help prevent orofacial injuries in many physical activities, commonly to the maxillary incisors. Mouthguards have many different properties which can be idealized. One property involves the amount of impact force the mouthguard can dissipate, commonly referred to as shock absorption. The aim of this study was to improve shock absorption capabilities beyond the protection that a mouthguard made of Ethylene Vinyl Acetate (EVA) can offer. A Nickel-Titanium (NiTi) and/or foam intermediate layer was placed between EVA. Seven configurations were fabricated at 3 different thicknesses. The configurations consisted of an intermediate layer composed of NiTi, foam, or NiTi/foam. The NiTi …


3-D Oropharyngeal Airway Analysis Of Different Antero-Posterior And Vertical Craniofacial Skeletal Patterns In Children And Adolescents, Chi Kim Huynh Dec 2013

3-D Oropharyngeal Airway Analysis Of Different Antero-Posterior And Vertical Craniofacial Skeletal Patterns In Children And Adolescents, Chi Kim Huynh

UNLV Theses, Dissertations, Professional Papers, and Capstones

Sleep apnea disorder has recently emerged as a significant public health issue. While the prevalence of obesity is on the rise among children, it is one of the main risk factors associated with apnea. Upper airway dimensions and morphology seem to be major components of obstructive sleep apnea (OSA) and can be affected by different craniofacial patterns. The purpose of this retrospective, cross-sectional pilot study is to correlate gender, Body Mass Index, risk for OSA, neck circumference, and 3-D oropharyngeal airway dimensions in children and adolescents with different antero-posterior (AP) and vertical craniofacial skeletal patterns. A total of 86 pre-orthodontic …


Sex Determination Using Discriminant Function Analysis In Hispanic Children And Adolescents: A Lateral Cephalometric Study, Alyssa E. Sprowl Dec 2013

Sex Determination Using Discriminant Function Analysis In Hispanic Children And Adolescents: A Lateral Cephalometric Study, Alyssa E. Sprowl

UNLV Theses, Dissertations, Professional Papers, and Capstones

Lateral cephalometric radiographs have been used for years to help diagnose skeletal and dental patterns in Orthodontics. Within the last decade, these radiographs have caught the interest of the department of Anthropology for the identification of gender within the adult and adolescent population. Numerous publications have been made but failed to identify sexual dimorphism in the pre-adolescent population. 303 lateral cephalograms of pre and post Latino adolescence age ranging from 6.5 to 17.9 years old were obtained from University of Nevada, Las Vegas (UNLV) digital database. 25 variables were identified and plotted with all linear and angular measurements transferred into …


Adult Permanent (Extracted) Teeth As A Source Of Dental Pulp-Derived Mesenchymal Stem Cells (Dpsc): A Pilot Study, Charles Hill Aug 2013

Adult Permanent (Extracted) Teeth As A Source Of Dental Pulp-Derived Mesenchymal Stem Cells (Dpsc): A Pilot Study, Charles Hill

UNLV Theses, Dissertations, Professional Papers, and Capstones

Mesenchymal stem cells (MSC) may be derived from a variety of adult human tissues, including dental pulp from extracted or exfoliated teeth. Evidence suggests differences in both the quality and quantity of the dental pulp-derived mesenchymal stem cells (DPSC) obtained from different sources, such as primary or "baby teeth" and adult, permanent teeth. This study aimed to evaluate the potential to obtain DPSC from intact, vital permanent teeth, and characterize the potential isolates using a randomized selection of active dental patients from the University of Nevada, Las Vegas School of Dental Medicine (UNLVSODM). DPSC were extracted, isolated, cultured and characterized …


The Meaning Of Visual Thinking Strategies For Nursing Students, Margaret M. Moorman Aug 2013

The Meaning Of Visual Thinking Strategies For Nursing Students, Margaret M. Moorman

UNLV Theses, Dissertations, Professional Papers, and Capstones

Nurse educators are called upon to provide creative, innovative experiences for students in order to prepare nurses to work in complex healthcare settings. As part of this preparation, teaching observational and communication skills is critical for nurses and can directly affect patient outcomes. Visual thinking strategies (VTS) are a teaching method that has been studied in primary education to develop communication and observational skills. VTS holds the possibility to improve these same skills in nursing students, but it has only been studied once with nursing students in a quantitative study. Therefore, this qualitative research study sought to explore how nursing …


The Effect Of Balance Training With An Innovative Approach Compared To Traditional Balance Exercises, Brian Curtis Waite Aug 2013

The Effect Of Balance Training With An Innovative Approach Compared To Traditional Balance Exercises, Brian Curtis Waite

UNLV Theses, Dissertations, Professional Papers, and Capstones

The purpose of this study was to evaluate the use of an X Box 360 KinectTM game as a modality for improving balance. Specifically, this study explores the use of the Target Kick mini game on Kinect SportsTM as a tool for VR rehabilitation. Subjects (N=18, age 23.3 ±2.87 yrs, mass 71.83 ±15.25 kg, height 168.4 ±7.79 cm) with no lower extremity injury were randomly placed into three groups (X Box n = 6, Traditional n = 6, and Control n = 6). The X Box (XBOX) group performed ten minutes of balance training by playing an X Box game …


Design And Testing Of Novel Mouthguard With Intermediate Nitinol And Foam Layers, Adam Kessler May 2013

Design And Testing Of Novel Mouthguard With Intermediate Nitinol And Foam Layers, Adam Kessler

UNLV Theses, Dissertations, Professional Papers, and Capstones

It is the aim of this study to investigate a novel mouthguard design that incorporates the use of a nickel-titanium (Nitinol) layer and thin foam layer in addition to EVA layers. It is thought that the Nitinol layer can distribute the force of an impact and that the thin foam layer may absorb this distributed force better than a solid EVA mouthguard of the same thickness. Rectangular, flat coupons representative of several mouthguard configurations were constructed for testing using an instrumented drop-weight impact tower. The coupon configurations include a control made of laminated EVA, a group of laminated EVA and …


A Comparison Of Nursing Service Demand In Title 1 Schools And Non-Title 1 Schools, Karen Ray Stratford May 2013

A Comparison Of Nursing Service Demand In Title 1 Schools And Non-Title 1 Schools, Karen Ray Stratford

UNLV Theses, Dissertations, Professional Papers, and Capstones

Children from low-income families are known to struggle academically, but lack of health services may also impact their education. School nurses must identify and manage health problems in the school-age child to improve academic success. Unfortunately, the school nurse-to-student ratio may limit the amount of time nurses can give to the recognition of health problems and appropriate follow-up. The Elementary and Secondary Education Act of 1965 provides Title 1 funding to schools whose enrollment includes at least 40% of low-income families. These federal funds are intended to be used to bridge the achievement gap between low-income students and other students. …