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2020

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Teachers’ Perspectives About Strategies To Address The Influence Of Adverse Childhood Experiences, Marie C Walker Arroyo Jan 2020

Teachers’ Perspectives About Strategies To Address The Influence Of Adverse Childhood Experiences, Marie C Walker Arroyo

Walden Dissertations and Doctoral Studies

Each year, the people of Puerto Rico prepare for hurricane season by attending to their properties and families’ needs, such as food, water, and supplies. Many educators on the island of Puerto Rico were not prepared for the adverse childhood experiences (ACEs) faced by children during and following Hurricanes Irma and Maria in September 2017. This basic qualitative interview study explored preschool teachers’ perspectives about strategies they used to address the influences of ACEs during and following the hurricanes. Resilience theory and Bronfenbrenner’s bioecological systems theory provided the conceptual framework for the study. The study sought to identify educators’ capacities …


Sexual Behavior, Contraceptive Use, And Unmet Needs Among Unmarried Teenage Women In Uganda, Lawrence Were Jan 2020

Sexual Behavior, Contraceptive Use, And Unmet Needs Among Unmarried Teenage Women In Uganda, Lawrence Were

Walden Dissertations and Doctoral Studies

At 25%, teenage pregnancy in Uganda is one of the highest in the world, and this has been mainly attributed to low contraceptive use and a high unmet need for modern contraceptives. Unmarried women aged 15 to 19 years in Uganda face unique cultural, ethical, financial, and legal barriers to the use of contraception. The purpose of this study was to investigate how sexual behavior, contraceptive use, and unmet needs among unmarried teenage women in Uganda aged 15 to 19 years are influenced by personal and environmental factors. Bandura’s social cognitive theory was used as a theoretical framework for this …


Socioeconomic Status, Benzathine Penicillin Prophylaxis, And Clinical Outcomes In Patients With Rheumatic Heart Disease, Christopher Sabo Yilgwan Jan 2020

Socioeconomic Status, Benzathine Penicillin Prophylaxis, And Clinical Outcomes In Patients With Rheumatic Heart Disease, Christopher Sabo Yilgwan

Walden Dissertations and Doctoral Studies

Rheumatic heart disease (RHD) is the major cause of acquired heart disease and death for children and young adults in developing countries. Poverty and social disadvantage are thought to influence the clinical outcomes in RHD patients. Guided by the health lifestyle theory, this study assessed the relationship between socioeconomic status and clinical outcomes (heart failure events and mortality) in patients with RHD. It also examined how adherence to penicillin prophylaxis mediates the effect of socioeconomic status (SES) on clinical outcomes. Using the Nigerian database of the REMEDY study, this study was conducted with 243 participants using Poisson regression and logistic …


Racial Purges, Robert L. Tsai Jan 2020

Racial Purges, Robert L. Tsai

Michigan Law Review

Review of Beth Lew-Williams' The Chinese Must Go: Violence, Exclusion, and the Making of the Alien in America.


Expatriate-Teacher Turnover In The International School Industry Of China, Richard Ik Ihejieto Jan 2020

Expatriate-Teacher Turnover In The International School Industry Of China, Richard Ik Ihejieto

Walden Dissertations and Doctoral Studies

Expatriate-teacher turnover disrupts the social and academic lives of students in the international school industry of China. The human resource budgets of these schools are unsustainable and expatriate-teacher turnover significantly affects globalization and international businesses. The rate of expatriate-teacher turnover in the international school industry of China, which results in financial losses and creates anxiety for the students, necessitated an examination of expatriate-teacher turnover in the international school industry of China. This qualitative descriptive phenomenological study of expatriate-teacher turnover in the international school industry of China, was framed by the concepts of the internationalized schools in China and teacher turnover …


Perceptions Of Academic Success Of English As A Second Language Nursing Students, Jean Lansang Jan 2020

Perceptions Of Academic Success Of English As A Second Language Nursing Students, Jean Lansang

Walden Dissertations and Doctoral Studies

Hispanic or Latino and Asian communities represent two of the rapid-growing ethnicities who seek healthcare in the United States. However, the U.S. nursing workforce does not reflect the ethnic or cultural makeup of the patient population. The purpose of this study was to examine the lived experiences of Asian and Hispanic or Latino English as a second language (ESL) nursing students and learn the barriers and facilitators they experienced in their nursing program. A qualitative phenomenological approach underpinned by the social-ecological model and the Cummins language acquisition model was used for the study. Face-to-face interviews were conducted with 7 Asian …


Access To Health Insurance And Health-Seeking Behavior In A Nigerian Suburban Community, Charles Olalekan Mensah Jan 2020

Access To Health Insurance And Health-Seeking Behavior In A Nigerian Suburban Community, Charles Olalekan Mensah

Walden Dissertations and Doctoral Studies

The purpose of this study was to understand the effects of access to health insurance on the healthcare-seeking behavior of the population in four suburban communities in Rivers State, Nigeria. The conceptual framework of the study is based on Anderson's behavioral model of health services use. The study looked at how access to health insurance affects the healthcare seeking behavior and the preventive care seeking behavior of the study population. Two-hundred and seventy participants were surveyed using the Health Care Access and Utilization Survey (HCAUS) questionnaire. Data were analyzed using descriptive statistics (frequencies and percentages) and bivariate logistic regression. Respondents …


Federalism Complicates The Response To The Covid-19 Health And Economic Crisis: What Can Be Done?, Nicole Huberfeld, Sarah H. Gordon, David K. Jones Jan 2020

Federalism Complicates The Response To The Covid-19 Health And Economic Crisis: What Can Be Done?, Nicole Huberfeld, Sarah H. Gordon, David K. Jones

Faculty Scholarship

Federalism has complicated the US response to the novel coronavirus. States’ actions to address the pandemic have varied widely, and federal and state officials have provided conflicting messages. This fragmented approach has cost time and lives. Federalism will shape the long-term health and economic impacts of COVID-19, including plans for the future, for at least two reasons: First, federalism exacerbates inequities, as some states have a history of underinvesting in social programs, especially in certain communities. Second, many of the states with the deepest needs are poorly equipped to respond to emergencies due to low taxes and distrust of government, …


Accuracy Of Blx And Blt Guided Implants In The Edentulous Maxilla: An In Vivo Study, Benjamin Andrew Kordusky Jan 2020

Accuracy Of Blx And Blt Guided Implants In The Edentulous Maxilla: An In Vivo Study, Benjamin Andrew Kordusky

Graduate Theses, Dissertations, and Problem Reports (ETD)

Objectives: To determine the accuracy of dental implants placed using a dual scan CBCT protocol with a SLA 3D printed mucosa supported surgical guide using a flapless surgical approach with regard to sleeve position, type of implant, and regional location in the maxillary arch.

Methods: Nine patients received 4 dental implants utilizing a fully guided, flapless approach with a mucosa supported SLA surgical guide with 3 fixation pins. Implants were immediately loaded using an attachment placed in an existing Maxillary complete denture. Accuracy of implant positions were evaluated by the Treatment Evaluation module of coDiagnostiX (DentalWings, Montreal, Canada). Statistical analysis …


A Contemporary Tale Of Two Countries - State Of Children In India And Pakistan, Arijit Ray Jan 2020

A Contemporary Tale Of Two Countries - State Of Children In India And Pakistan, Arijit Ray

Graduate Theses, Dissertations, and Problem Reports (ETD)

Some common economic problems of the Indian subcontinent are its low per-capita income, major dependence on agriculture, heavy population pressure, chronic unemployment, slow capital formation, limited opportunity for human capital development, rising pollution, and heavy inequality in the wealth distribution. Each of these problems affects its children in its unique way, both directly and indirectly. However, some problems are human-made which directly affect its own existence. I focus on two countries in the Indian subcontinent: India and Pakistan, where such problems exist. In both societies, female children are valued less than male children, a common theme across many other countries …


Creating Positive, Negative, And Neutral Primes And Testing Their Impact On Scrupulosity Relevant Tasks And Symptoms, Kelsey Jean Evey Jan 2020

Creating Positive, Negative, And Neutral Primes And Testing Their Impact On Scrupulosity Relevant Tasks And Symptoms, Kelsey Jean Evey

Graduate Theses, Dissertations, and Problem Reports (ETD)

A series of three studies was conducted to develop and validate primes to activate negative, positive, or neutral beliefs about God and to determine how these activated beliefs impact scrupulosity signs and symptoms. Scrupulosity is a specific presentation of obsessive-compulsive disorder (OCD) in which individuals become preoccupied and distressed by intrusive thoughts and images related to religious issues. Individuals with more severe scrupulosity often have more negative beliefs about God. Christianity conceptualizes God in both positive (e.g., loving, caring, and helpful) and negative (e.g., angry, judgmental, and wrathful) terms. It is therefore important to determine how more positive, negative, or …


Integrating Care: Evaluation Of A Hepatitis C Clinic Co-Located With Harm Reduction And Addiction Treatment Programs In A Rural Clinic, Susan Ruth Mckenrick Jan 2020

Integrating Care: Evaluation Of A Hepatitis C Clinic Co-Located With Harm Reduction And Addiction Treatment Programs In A Rural Clinic, Susan Ruth Mckenrick

Graduate Theses, Dissertations, and Problem Reports (ETD)

Background: West Virginia (WV) is second in the nation for cases of Hepatitis C Virus (HCV) per capita – meaning more than 24,000 residents are living with HCV. Most new cases are in young persons who inject drugs (PWID). However, the no-call, no-show rate for HCV patients coming to clinics in Morgantown is about 50%, indicating the need to do a better job engaging them in care. Literature suggests that integrating HCV clinics with harm reduction and addiction treatment programs increases uptake of HCV treatment.

Objective: The overall objective was to establish an integrated HCV clinic where harm reduction …


Evaluation Of The Impact Of An Educational Intervention Focused On Adolescent Vaping Among Rural Middle School Students, Holly F. Fitzwater Jan 2020

Evaluation Of The Impact Of An Educational Intervention Focused On Adolescent Vaping Among Rural Middle School Students, Holly F. Fitzwater

Graduate Theses, Dissertations, and Problem Reports (ETD)

According to the Centers for Disease Control (CDC), sixty deaths due to the use of electronic cigarettes or other vaping products have been reported to date. Vaping has become viewed as a safe alternative to traditional cigarette smoking, particularly in the adolescent population. The U.S. Preventive Services Task Force (USPSTF) recommends education by primary care clinicians to prevent initiation of tobacco products among adolescents. In order to combat this health disparity in America’s youth, intervention by the nursing profession is necessary. An educational session and interactive game were implemented by a school-based family nurse practitioner in order to change the …


On Body Mass Index Analysis From Human Visual Appearance, Min Jiang Jan 2020

On Body Mass Index Analysis From Human Visual Appearance, Min Jiang

Graduate Theses, Dissertations, and Problem Reports (ETD)

In the past few decades, overweight and obesity are spreading widely like an epidemic. Generally, a person is considered overweight by body mass index (BMI). In addition to a body fat measurement, BMI is also a risk factor for many diseases, such as cardiovascular diseases, cancers and diabetes, etc. Therefore, BMI is important for personal health monitoring and medical research. Currently, BMI is measured in person with special devices. It is an urgent demand to explore conveniently preventive tools. This work investigates the feasibility of analyzing BMI from human visual appearances, including 2-dimensional (2D)/3-dimensional (3D) body and face data.

Motivated …


An Interactive Mobile Equipment Task-Training With Virtual Reality, Lazar Zujovic Jan 2020

An Interactive Mobile Equipment Task-Training With Virtual Reality, Lazar Zujovic

Graduate Theses, Dissertations, and Problem Reports (ETD)

Improving the quality of equipment training for the Heavy Equipment Operators (HEO) is a critical task in the ever-lasting effort to improve safety and eliminate equipment-related injuries in mining environments. Traditional miner training includes the use of hardcopy documents and video instructions. However, modern mobile and computer technology offers tremendous potential to improve the training process. One major responsibility for the heavy-machine operators is proper machine inspection. Establishing new training methods that utilize modern technologies—such as 360-degree images, videos, and Virtual Reality—and implementing computers for training purposes have a potential to help new operators learn how to conduct proper machine …


Women Veterans’ Descriptions Of The Patient-Provider Interaction With Civilian Providers, Billie S. Vance Jan 2020

Women Veterans’ Descriptions Of The Patient-Provider Interaction With Civilian Providers, Billie S. Vance

Graduate Theses, Dissertations, and Problem Reports (ETD)

BACKGROUND: Women veterans require care for unique gender, and war-related health issues. Concerns exist regarding non-Veterans Health Administration (VHA), civilian healthcare providers’ preparedness to deliver care to the veteran population. Health outcomes are influenced by the quality of care provided to patients. There is a significant gap in the literature with regard to woman veterans’ perspectives about the quality of the patient-provider interaction between women veterans and non-VHA, civilian providers.

PURPOSE: The purpose of this study was to describe women veterans’ perspectives about interactions between themselves and civilian providers and to critically analyze the veterans’ data to further inform the …


Evaluation Of The Impact Of An Educational Intervention Aimed At Improving Tuberculosis Infection Control Knowledge Among Health Care Workers In A Military Treatment Facility: A Quality Improvement Project, Allen C. Potter Jan 2020

Evaluation Of The Impact Of An Educational Intervention Aimed At Improving Tuberculosis Infection Control Knowledge Among Health Care Workers In A Military Treatment Facility: A Quality Improvement Project, Allen C. Potter

Graduate Theses, Dissertations, and Problem Reports (ETD)

Background: Florida (FL) is one of the top five states in the nation for Tuberculosis (TB) infections. A majority of new infections can be found in the minority populations which represents 78% of all TB infections in the state. A combination of TB rates in FL, Orlando located 60 miles away and a transient population who frequently deploys worldwide to austere locations may result in an increased risk of acquiring TB. Literature suggests Health Care Providers (HCPs) obtain training regarding TB Infection Control (TB-IC). The Patrick AFB Military Treatment Facility (MTF) lacked a TB Infection Control (TB-IC) plan. Objective: The …


Development Of An Activity-Based Windowing Approach To Evaluate Real-World Nox Emissions From Modern Medium And Heavy-Duty Diesel Trucks, Rasik Pondicherry Jan 2020

Development Of An Activity-Based Windowing Approach To Evaluate Real-World Nox Emissions From Modern Medium And Heavy-Duty Diesel Trucks, Rasik Pondicherry

Graduate Theses, Dissertations, and Problem Reports (ETD)

The introduction of in-use emissions regulations by the United States Environmental Protection Agency (U.S.EPA) requires medium-duty (MD) and heavy-duty (HD) engine manufacturers to demonstrate emissions compliance during in-fleet operation. In the United States (U.S.), the Not-to-Exceed (NTE) method is used to evaluate real-world emissions compliance from on-highway MD and HD trucks. Regulatory agencies, engine manufacturers and research entities have identified that the NTE method incorporates numerous exclusions and evaluates emissions compliance only under selective operating conditions that are favorable for the selective catalytic reduction (SCR) system to reduce oxides of nitrogen (NOx) emissions efficiently. Such operation is typically encountered only …


The Influence Of Spatial Variance On Rock Strength And Mechanism Of Failure, Danqing Gao Jan 2020

The Influence Of Spatial Variance On Rock Strength And Mechanism Of Failure, Danqing Gao

Graduate Theses, Dissertations, and Problem Reports (ETD)

The heterogeneity in the rock formation affects both rock behavior and the strength. The effect of heterogeneity is observed both at the laboratory scale and at the rockmass level. The mechanical properties of intact rock vary considerably at laboratory scale and often an average value is used for design purposes. Similarly, the values are arbitrarily scaled when used at rockmass level. In underground coal mines, the effect of variability of properties is often observed with the erratic roof failure events that occur throughout the mine. The approach often was to use the deterministic values from limited site data to estimate …


The “Other” Teacher: Understanding The Experience Of Graduate Teaching Assistants In Neoliberal Teacher Education Settings, Jing Zhang Jan 2020

The “Other” Teacher: Understanding The Experience Of Graduate Teaching Assistants In Neoliberal Teacher Education Settings, Jing Zhang

Graduate Theses, Dissertations, and Problem Reports (ETD)

In this study, I critically examine how graduate teaching assistants’ (GTAs’) experiences are discursively shaped by the exercise of power in neoliberal higher education contexts and hence, to reveal the hidden aspects of educational institutions, which are central to our understandings about the meaning of truth, fairness, and equity embedded in neoliberal academic settings. To understand the experiences of graduate teaching assistants in this neoliberal teacher education setting, the major research questions of this study explore how the different identities that GTAs possess influence their interactions with the neoliberal higher education context and how they navigate as well as resist …


Barriers And Facilitators Of Seeking Psychological Help For Muslims In The United States, Sarah R. B. Milam Jan 2020

Barriers And Facilitators Of Seeking Psychological Help For Muslims In The United States, Sarah R. B. Milam

Graduate Theses, Dissertations, and Problem Reports (ETD)

Due to increased social, cultural, and political struggles for Muslims in the United States (MUS), affordable, accessible, and culturally appropriate mental health care is important for these individuals (Aloud & Rathur, 2009). MUS are an underrepresented group that use mental health services at low rates (Ciftci, Jones, & Corrigan, 2013; Khan, 2006). MUS, especially those with mental health concerns, hold a number of stigmatized identities, often including their race and ethnicity, religion, and mental health status that can result in discrimination (Ciftci et al., 2013). The purpose of this study was to examine factors related to self-stigma for seeking psychological …


Advancing Quantitative Understanding Of Escherichia Coli Concentrations In A Contemporary Mixed Land-Use Watershed, In West Virginia, Usa, Fritz Petersen Jan 2020

Advancing Quantitative Understanding Of Escherichia Coli Concentrations In A Contemporary Mixed Land-Use Watershed, In West Virginia, Usa, Fritz Petersen

Graduate Theses, Dissertations, and Problem Reports (ETD)

A scarcity of field-based research investigating the relationships between E. coli (fecal matter) concentration, suspended particulate matter (SPM; including size distribution), physicochemical parameters (water temperature, pH, SPC, DO, chloride) and land use practices and the importance of these relationships, particularly for human health, policy makers, and water resource managers, provided the impetus for this research. A 22-site, nested-scale, experimental watershed study design was implemented to investigate E. coli concentrations and the aforementioned relationships in a contemporary mixed land use watershed in the Appalachian region of the eastern United States. Results from a reduced (n=4 sites) study showed SPM in the …


The Role Of High-Fat Diets In Exacerbating Cognitive Deficits After Traumatic Brain Injury, Michelle A. Frankot Jan 2020

The Role Of High-Fat Diets In Exacerbating Cognitive Deficits After Traumatic Brain Injury, Michelle A. Frankot

Graduate Theses, Dissertations, and Problem Reports (ETD)

Traumatic brain injury (TBI) can cause chronic psychiatric-like impairments that may be driven by inflammation in the brain. In the current study, inflammation was upregulated using a high-fat diet (HFD) to assess the role of inflammation in TBI-induced deficits. Rats were randomly assigned to receive an HFD or calorie-matched low-fat diet (LFD) for the duration of the experiment. After two weeks of free access to their respective diets, rats began behavioral training on the Rodent Gambling Task (RGT), during which they were allowed to freely choose to nosepoke in one of four holes in a standard operant chamber. Responses in …


Evidence Of Y Chromosome Long Non-Coding Rnas Involved In The Radiation Response Of Male Non-Small Cell Lung Cancer Cells, Tayvia Brownmiller Jan 2020

Evidence Of Y Chromosome Long Non-Coding Rnas Involved In The Radiation Response Of Male Non-Small Cell Lung Cancer Cells, Tayvia Brownmiller

Graduate Theses, Dissertations, and Problem Reports (ETD)

Non-small cell lung cancer (NSCLC) is the number one cause of cancer related mortality in the United States and worldwide. Advanced and therapeutically resistant lung tumors contribute to the high rate of mortality from NSCLC, therefore there is a need for new methods of diagnosing and treating this disease. Long non-coding RNAs (lncRNAs) have been shown to be a crucial component of human molecular biology, regulating nearly every cellular pathway from chromatin condensation to transcription and translation. Furthermore, many lncRNAs have been classified as oncogenes or tumor suppressors, highlighting the various molecular mechanisms they are involved in regarding the formation …


The Impact Of The Global Financial Crisis On Visitation To The Monongahela National Forest: An Activity-Based Segmentation Approach, Connor Braxton Akers Jan 2020

The Impact Of The Global Financial Crisis On Visitation To The Monongahela National Forest: An Activity-Based Segmentation Approach, Connor Braxton Akers

Graduate Theses, Dissertations, and Problem Reports (ETD)

Research on recreational use market segments and trends are essential for determining how tourism businesses can better meet the needs of their customers and find new target markets especially during challenging times. The purpose of this study is to determine how recreation participation has changed over five years on the Monongahela National Forest following the world financial crisis in 2008. Data used for this research were collected with the National Visitor Use Monitoring (NVUM) surveys in fiscal years 2009 and 2014. NVUM surveys are onsite interviews conducted at the end of a visit. The surveys produce descriptive information about visitors. …


Morally Injurious Experiences Of Combat Exposed Veterans Of Iraq And Afghanistan: Moderating Effects Of Self-Forgiveness On Feelings Of Shame And Guilt, Timothy Swiger Jan 2020

Morally Injurious Experiences Of Combat Exposed Veterans Of Iraq And Afghanistan: Moderating Effects Of Self-Forgiveness On Feelings Of Shame And Guilt, Timothy Swiger

Graduate Theses, Dissertations, and Problem Reports (ETD)

Moral injury is a construct developed to explain a unique symptom profile of individuals who may have perpetrated, witnessed, or learned about events that transgress their held moral beliefs. Among combat exposed Veterans, particular attention has been focused on the ambiguous nature of recent military conflicts and the increased moral conflicts associated with more recent, unconventional combat tactics and strategies. This study examined the relationship between moral injury and feelings of shame and guilt among a large sample (n=198) of Veterans who deployed in support of conflicts in Iraq and/or Afghanistan. Additionally, this study sought to examine self-forgiveness …


Multimorbidity, Immune Checkpoint Inhibitor Use, And Healthcare Expenditures Among Older Patients With Late-Stage Melanoma, Pragya Rai Jan 2020

Multimorbidity, Immune Checkpoint Inhibitor Use, And Healthcare Expenditures Among Older Patients With Late-Stage Melanoma, Pragya Rai

Graduate Theses, Dissertations, and Problem Reports (ETD)

With decades of unchanged cancer care with no added survival benefit, immune checkpoint inhibitors (ICI) changed the treatment landscape of late-stage melanoma in 2011. A key factor in determining the use of ICIs is the presence of pre-existing chronic conditions, which can influence the outcome. However, the prevalence of multimorbidity (defined as presence of two or more chronic conditions) among older patients with late-stage melanoma remains unknown. It also remains unknown if the presence of multimorbidity factors into the use of ICIs. Hospital-related factors associated with ICI use have been studied. Yet, patient-level factors, such as age, sex, marital status, …


Examining Provider-Patient Communication And Family Knowledge Of Treatment In Pediatric Asthma Care, Thomas W. Ewell Jan 2020

Examining Provider-Patient Communication And Family Knowledge Of Treatment In Pediatric Asthma Care, Thomas W. Ewell

Graduate Theses, Dissertations, and Problem Reports (ETD)

Asthma knowledge is an essential factor in being able to consistently and effectively manage asthma symptoms over time, which in turn reduces asthma morbidity and improves quality of life. The way in which certain provider factors, such as communication strategies or techniques, may differentially impact pediatric patients and their caregivers has little in the way of prior investigation. The current study involves a secondary analysis from a larger project. This larger study included 45 pediatric asthma patients (ages 8-17 years; M = 11.79) and their primary caregiver recruited from pediatric asthma and allergy clinics within the WVU Medicine system to …


Performance Study Of Five Different Cabin Air Filters In The Laboratory And On-Road Drive, Fahad Alqahtani Jan 2020

Performance Study Of Five Different Cabin Air Filters In The Laboratory And On-Road Drive, Fahad Alqahtani

Graduate Theses, Dissertations, and Problem Reports (ETD)

One of the aims of installing ventilation filters in a car is to prevent vehicle occupants from inhaling potentially harmful aerosols emanating from the environment. Vehicle cabin filters are essential in ensuring that a vehicle's air conditioning system provides clean air to its occupants. The purpose of the cabin filter is to improve air quality inside the car to provide better comfort and better protect occupants from experiencing unwanted respiratory problems. Using cabin filters in air conditioning systems is a common practice in modern vehicle manufacturing. Scientists and engineers are continually seeking new ways of improving the efficiency and effectiveness …


Fracture Resistance Of Simulated External Cervical Resorption In Anterior Teeth Restored With And Without A Fiber Post., Michelle M. Romeo Jan 2020

Fracture Resistance Of Simulated External Cervical Resorption In Anterior Teeth Restored With And Without A Fiber Post., Michelle M. Romeo

Graduate Theses, Dissertations, and Problem Reports (ETD)

Introduction: External cervical resorption (ECR) is a destructive type of external resorption that can be difficult to treat. ECR usually begins subgingival at the cementoenamel junction of teeth and continues apically and circumferentially. This substantial loss of tooth structure may make these teeth more prone to fracture and should be addressed when treatment planning teeth with ECR. The aim of this in vitro study was to evaluate the fracture resistance of treated and non-treated teeth with simulated ECR using two different treatment modalities.

Materials and Methods: Forty-eight extracted human permanent mandibular central incisors were selected. Teeth were randomly divided into …