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Dental Dimensions In Non-Syndromic Patients With Unilateral Cleft Palate, Blake Boleware
Dental Dimensions In Non-Syndromic Patients With Unilateral Cleft Palate, Blake Boleware
All ETDs from UAB
Objective: The main objective of this study is to determine if any difference in tooth size exists between the maxillary quadrants in non-syndromic patients with unilateral cleft palate using cone beam computed tomography. By understanding the effects of cleft palate on tooth morphology, the multidisciplinary team of specialists involved with the care and treatment of a patient with cleft lip/palate can better understand the intricacies of necessary therapy. This understanding can, in turn, be used for proper planning of desired treatments which can increase the chance of successful achievement of desired outcomes. Materials and Methods: CBCT volumes for 18 patients …
Temporomandibular Joint Function After Orthognathic Surgery, Aikaterini Kleopatra Aslanidou
Temporomandibular Joint Function After Orthognathic Surgery, Aikaterini Kleopatra Aslanidou
All ETDs from UAB
Orthognathic surgery has 3 basic goals: function, esthetics and stability. The relationship between orthognathic surgery and temporomandibular joint function remains highly controversial. Regarding the functional changes and range of mandibular movements after surgery, mandibular hypomobility and other signs and symptoms of joint dysfunction are associated with orthognathic surgery in the literature. The aim of this study is to evaluate the function of the temporomandibular joints at lest 6 months after orthognathic surgery and compare them with non-surgical subjects. The null hypothesis is that there is no difference in subjective symptoms reported by the subjects and clinical evaluation of the range …
Wear Of Orthodontic Bite Turbos And Opposing Enamel, Kyle Feagin
Wear Of Orthodontic Bite Turbos And Opposing Enamel, Kyle Feagin
All ETDs from UAB
Orthodontic bite turbos are used to separate the maxillary and mandibular arches when disocclusion is needed for facial placement of orthodontic brackets or extrusion of teeth. The bite turbo should have adequate wear resistance to maintain the disocclusion but also avoid abrasion of the opposing enamel. The objective of this study was to measure the wear and opposing enamel wear of three materials used as bite turbos. 8 specimens (10x8x4 mm) each of Transbond LR (3M), Transbond Plus (3M) and Triad gel (Dentsply) were prepared in silicone molds and light cured for 30 seconds using an Acteon Satelec Blue Ray …
Nursing Staff Approaches To Providing Oral Hygiene In Stroke Survivors With Dysphagia: A Grounded Theory Study, Willard Edward Brewer
Nursing Staff Approaches To Providing Oral Hygiene In Stroke Survivors With Dysphagia: A Grounded Theory Study, Willard Edward Brewer
All ETDs from UAB
The purpose of this qualitative grounded theory study was to explore how the nursing staff approaches oral hygiene in stroke survivors with dysphagia during the rehabilitation phase of recovery and what guides their decisions. Oral hygiene is a proven effective task known to prevent systemic health disparities (i.e. aspiration pneumonia, diabetes, gastrointestinal disparities, and even stroke). However, there are no current evidenced-based guidelines that provide instruction on how to execute oral hygiene to stroke survivors with dysphagia. Little is known about how nurses make decisions to implement oral hygiene in stroke survivors with dysphagia. Using a theoretical sampling strategy, data …
Surface Treatment Effects On Shear Bond Strength And Biaxial Flexural Strength Of Three Generations Of Zirconia, Yasko A. Darkoue
Surface Treatment Effects On Shear Bond Strength And Biaxial Flexural Strength Of Three Generations Of Zirconia, Yasko A. Darkoue
All ETDs from UAB
SURFACE TREATMENT EFFECTS ON SHEAR BOND STRENGTH AND BIAXIAL FLEXURAL STRENGTH OF THREE GENERATIONS OF ZIRCONIA YASKO A. DARKOUE MASTER OF SCIENCE IN DENTISTRY ABSTRACT Objectives: Mechanical and chemical surface treatments are required to achieve a durable bond to zirconia. The objective of this study is to compare the effects of particle abrasion and pressure on shear bond strength and biaxial flexural strength of Lava (Frame, Plus and Esthetic) zirconia to obtain a favorable combination of pressure and particle type to produce optimum strength and optimize the bond produced. A protocol for mechanical treatment balancing strength of the type zirconia …
Identification And Application Of Gingival Mesenchymal Stem Cells For Dental Tissue Regenration, Yousuf Al-Aboosi
Identification And Application Of Gingival Mesenchymal Stem Cells For Dental Tissue Regenration, Yousuf Al-Aboosi
All ETDs from UAB
Mesenchymal stem cells have been very attractive treatment modality in regenerative medicine, but not so much in regenerative dentistry. This can be attributed to the difficulty in obtaining dental origin stem cells without extracting a tooth or other invasive procedures. Autogenous gingival graft harvested from palatal tissue is used as the gold standard for treating single tooth recession. The healing of the gingival graft has been shown to be mostly depended on the recipient side more than the graft itself. This study is aiming to find if the palatal tissue has cells with mesenchymal characteristics that are helping in the …
Non-Surgical Correction Of Anterior Open Bites Using Temporary Anchorage Devices, Kimberly Spencer Butts
Non-Surgical Correction Of Anterior Open Bites Using Temporary Anchorage Devices, Kimberly Spencer Butts
All ETDs from UAB
Objective: The purpose of this study is to determine the skeletal, dental and soft tissue effects that occur as a result of maxillary posterior TAD intrusion; to compare treatment outcomes of growing patients to a growing matched control group; and to present a simplified TAD intrusion technique. Methods: This is a retrospective cohort study using lateral cephalometric radiographs of 16 (5 male, 11 female, average age 38y 4m) non-growing patients and 16 (5 male, 11 female, average age 13y 11m) growing patients with anterior open bite malocclusions treated with temporary anchorage devices (TADs) to intrude the maxillary posterior segments. Growing …
Ventral Hippocampal Input To The Medial Prefrontal Cortex Regulates Social Memory, Mary Leann Phillips
Ventral Hippocampal Input To The Medial Prefrontal Cortex Regulates Social Memory, Mary Leann Phillips
All ETDs from UAB
Both the ventral hippocampus (vHIP) and medial prefrontal cortex (mPFC) are active participants in the neural circuitry activated by social interaction, and are both necessary for certain aspects of social behavior. Additionally, synaptic projections from the ventral hippocampus (vHIP) to the medial prefrontal cortex (mPFC) are implicated in several neuropsychiatric disorders. Using the Mecp2 knockout (KO) mouse model of Rett syndrome, an autism-associated disorder with network level deficits in the vHIP and mPFC as well as aberrant social behavior, we strove to determine the role of vHIP-mPFC in social behavior. Here, we show that the vHIP-mPFC projection is hyperactive in …
The Strategy Of Federally Qualified Health Centers: The Influence Of Context And Performance Implications, Seongwon Choi
The Strategy Of Federally Qualified Health Centers: The Influence Of Context And Performance Implications, Seongwon Choi
All ETDs from UAB
The three papers included in this dissertation attempt to provide empirical evidence on the relationship among strategies employed by Federally Qualified Health Centers (FQHCs), the contextual factors and consequent performance. The findings of these studies contribute to the existing body of literature on FQHC strategies and performance. In addition, the findings also provide key practical implications to FQHC managers as well as policymakers. Overall, the results of this dissertation suggest that the FQHC strategy on spatial differentiation is associated with a set of organizational and environmental factors. However, there was little support for the relationship between Medicaid expansion and FQHC …
Light Transmission And Wear Of Translucent Zirconia After Conventional And Fast Sintering Cycle, Anvita Maharishi
Light Transmission And Wear Of Translucent Zirconia After Conventional And Fast Sintering Cycle, Anvita Maharishi
All ETDs from UAB
ABSTRACT Introduction: Zirconia is classified by the mole percentage of yttria contained in the zirconia. The most strong and opaque material contains 3 mol % yttria, intermediate strength and opacity contain 4 mol %, and whereas 5 mol % is the weakest but most translucent zirconia. Refined zirconia powder is pressed into a mold to form a disc which is then milled to form a restoration. Post milling of sintered zirconia restorations is necessary to obtain final mechanical and physical properties of the restoration. Traditionally conventional sintering cycles required 6-8 hours to sinter. Whereas, fast sintering cycles have been have …
Smile Outcome Comparison Of Orthodontic Cases Treated With Different Extraction Patterns, Gregory Long
Smile Outcome Comparison Of Orthodontic Cases Treated With Different Extraction Patterns, Gregory Long
All ETDs from UAB
Extraction of premolar teeth for orthodontic purposes is a common treatment approach. The effects of premolar extraction on the occlusion and the face have been studied extensively in the past. To date, however, the effects of premolar extractions on the smile have not been comprehensively quantified in the literature. The purpose of this study was to compare the smile outcome of patients treated with premolar extractions. Methods: This retrospective case-control study established 4 groups of 33 patients each for comparison. Three groups of patients with the same malocclusion were treated with different premolar extraction patterns. The remaining group of patients …
Effect Of Antidepressants On Cytokines Profiles Seen In Inflamed Tissue And Serum Samples In Patients With Moderate Chronic Periodontitis, Silvia M. Villalobos
Effect Of Antidepressants On Cytokines Profiles Seen In Inflamed Tissue And Serum Samples In Patients With Moderate Chronic Periodontitis, Silvia M. Villalobos
All ETDs from UAB
This study evaluated whether depression with or without the use of antidepressant was associated with changes in inflammatory markers, intraorally and systemically, GCF volume, serum biomarker levels. Cross-sectional data were collected from individuals with moderate periodontitis who were assigned to one of three groups based upon their medical history, medication usage, and answers to a validated survey instrument that assessed their level of clinical depression. Three groups of patients were compared: 1) patients with clinically diagnosed depression taking antidepressant medications [selective serotonin reuptake inhibitors (SSRIs), norepinephrine-dopamine reuptake inhibitor (NDRIs), or serotonin and norepinephrine reuptake inhibitors (SNRIs)]. 2) patients with clinically …
A Microfocal Effect In Photoreceptor Light Capture, Vasantha Kumari Kanukuntla
A Microfocal Effect In Photoreceptor Light Capture, Vasantha Kumari Kanukuntla
All ETDs from UAB
In human eyes, accomodation brings light rays into focus on the retina in order to achieve a clear images. The plane of best focus within the depth of the retina is thought to be within the photoreceptor layer, but pinpointing the exact focal position axially has not been determined. With help of adaptive optics aberration correction and its ability to have microscopic control of a retinal stimulus, we explored how sensitive human subjects are to defocus on the micron scale. We found that focal position can be reliably judged within 0.02 D, which is equivalent to about 6 microns in …
Therapeutic Mechanisms In Sickle Cell Nephropathy, Crystal Taylor
Therapeutic Mechanisms In Sickle Cell Nephropathy, Crystal Taylor
All ETDs from UAB
Sickle cell disease (SCD) is a commonly inherited genetic blood disorder that causes hypoxia-induced polymerization of mutant hemoglobin resulting in erythrocyte sickling, transient microvascular occlusion, ischemic injury, and end-organ damage. Systemic endothelial dysfunction and vaso-occlusive episodes observed in SCD are particularly deleterious to the kidney, where the hypoxic, hyperosmotic environment of the medulla makes it particularly susceptible to ischemic injury. Over recent decades, chronic kidney disease has emerged as a significant contributor to mortality and morbidity in SCD patients. Despite a growing interest in the importance of sickle cell nephropathy (SCN), therapeutic options are limited and much remains undiscovered regarding …
Determination Of The Role Of Smu_833 In The Fitness And Virulence Of Cariogenic Streptococcus Mutans, Katherine Lynn Rainey
Determination Of The Role Of Smu_833 In The Fitness And Virulence Of Cariogenic Streptococcus Mutans, Katherine Lynn Rainey
All ETDs from UAB
Dental caries, commonly known as tooth decay, is the most common infectious disease worldwide. The main etiological agent of dental caries is Streptococcus mutans which can readily form a biofilm on the surface of teeth and produce acids through the metabolism of dietary sugars, which is largely responsible for the demineralization and subsequent destruction of tooth enamel. In addition, S. mutans synthesizes extracellular glucosyltransferases (Gtfs) capable of breaking apart dietary sucrose and polymerizing the glucose subunits into the sticky glucan matrix of the biofilm, imperative for the formation of robust, three-dimensional biofilms. Currently used caries therapies are not species-specific and …
The Smile Attractiveness Of Patients Successfully Treated According To The Finishing Standards Of The American Board Of Orthodontics, Tayem Abou Saleh
The Smile Attractiveness Of Patients Successfully Treated According To The Finishing Standards Of The American Board Of Orthodontics, Tayem Abou Saleh
All ETDs from UAB
Smiling is the most useful way people can use to express their emotions, therefore, it is critical to build our treatment plan not just around establishing a stable functional occlusion but also to achieve beautiful harmonious smile. It has been suggested that the smile may be made up of 3 components: Gingival component, soft tissue component, and dental component, and the ultimate smile beauty can be achieved by trying to find the balance in between these components. We collected 68 smiling photos for cases were taken to American board of orthodontics clinical exam and they were considered successfully treated, all …
Identifying Associated Risk With Exposure Ti Weapon Carrying Among Emerging Adults Living In Disadvantaged Urban Areas In Birmingham, Tolulope Aduroja
Identifying Associated Risk With Exposure Ti Weapon Carrying Among Emerging Adults Living In Disadvantaged Urban Areas In Birmingham, Tolulope Aduroja
All ETDs from UAB
IDENTIFYING ASSOCIATED RISK WITH EXPOSURE TO WEAPON CARRYING AMONG EMERGING ADULTS LIVING IN DISADVANTAGED URBAN AREAS IN BIRMINGHAM TOLULOPE ADUROJA HEALTH EDUCATION/HEALTH PROMOTION ABSTRACT Weapon carrying is a public health concern due to its association with a serious injury, disability or death, and adverse health-related outcomes. Weapon carrying among youth is associated with both intrinsic or internalizing and extrinsic or externalizing factors (Stayton, 2011). Violence in youth and young adults is the 2nd leading cause of death (homicide) in Alabama. Health behavior theories posit that health-relevant attitudes, beliefs, and behavioral skills drive subsequent actions people take to protect themselves from …
Bioactive Materials: Ion Release & Recharge, Wear, Gloss & Hydroxyapatite Formation, Mohammed Badahman
Bioactive Materials: Ion Release & Recharge, Wear, Gloss & Hydroxyapatite Formation, Mohammed Badahman
All ETDs from UAB
Introduction : Dental caries is one of the most prevalent chronic diseases 1. Unfortunately, there have been numerous failures with the treatment rendered, the materials used and how they are used. One significant cause for dental restoration failure is secondary caries and the need to replace the existing restoration. It has been reported that more than half of the restorations placed have been replaced because of recurrent caries. New materials and techniques have been developed to enhance adhesives in dentistry and improve the bonded interface however that interface still remains the weakest component of composite restorations. Marginal degradation and the …
External Root Resorption In The Orthodontic Patients, Frank Earl Litchfield
External Root Resorption In The Orthodontic Patients, Frank Earl Litchfield
All ETDs from UAB
External Apical Root Resorption (EARR) is a side effect of orthodontic treatment that results in root shortening in about one-third of orthodontic patients. Great variability among patients exists in their susceptibility to this multifactorial condition, and both treatment and patient specific factors contribute to EARR. Root resorption values were found to be higher in Hispanics compared to Asians and Caucasians (1). However, the prevalence of EARR is not well documented in all populations. Since African Americans represent the largest minority group in the United States, establishing the prevalence and risk factors for EARR within this ethnicity is important. Objective: To …
A Study Of Enamel Thickness Of Permanent Maxillary Canines, Daniel Diaz Rubayo
A Study Of Enamel Thickness Of Permanent Maxillary Canines, Daniel Diaz Rubayo
All ETDs from UAB
Introduction: Tooth agenesis is defined as the lack of development of a tooth. Maxillary lateral incisors have been reported to be missing in 2.2% of the population in the United States of America. Two treatment options are available: opening the space to restore the missing tooth with a dental prosthesis; or close the space by moving the adjacent teeth into the space and substituting the missing lateral incisor with the maxillary canine. With a wider crown and a more convex labial surface than lateral incisors, canines require a significant amount of reduction in order to achieve an adequate occlusion and …