Dentistry Commons^™

A Comparison Of Treatment Planning Modalities For The Pediatric Dental Patient, Martha M. Holland

Theses and Dissertations

Purpose: To assess the treatment modalities of pediatric dentists for restoring Class II lesions in primary molars.

Methods: A survey of eight cases was emailed to AAPD members, who were asked to choose a stainless steel crown (SSC) or composite resin. Treatment choice was associated with provider type, years in practice, behavior management, lesion detection, and patient age.

Results: Clinically detectable caries restored under general anesthesia were treated more often with a SSC. Faculty and residents chose a SSC at a greater rate. Providers with 10 or more years experience chose a SSC more often.

Conclusions: The scope of treatment …

The Prevalence, Predictive Factors, And Classification Of Intrapulpal Cracks In Maxillary Molars Requiring Endodontic Treatment, Husain Karashi

Theses and Dissertations

Diagnosis and treatment of teeth with longitudinal fractures is challenging. Cracks are usually not visible radiographically; they require a thorough evaluation to aid in diagnosis. Patients may be asymptomatic, demanding the dentist rely on clinical findings to make a diagnosis. Early diagnosis of the presence and extent of a crack is essential for the successful management of a cracked tooth. There is limited information in the literature regarding the prevalence or predictive factors of cracks extending into the pulp chamber of teeth. The purpose of this study was to determine the prevalence of intrapulpal cracks in maxillary molars and to …

Profiling Precursor Lipids For Specialized Pro-Resolution Molecules In Platelet-Rich Fibrin Following Fish Oil And Aspirin Intake, Danielle M. Mccormack

Theses and Dissertations

Background: Current research has demonstrated that aspirin and fish oil (EFA) increase plasma levels of specialized pro-resolution molecules (SPMs). This study investigates their effects on SPM precursor pools in platelet rich fibrin (PRF). Methods: Twenty healthy volunteers were randomly assigned to take aspirin; EFA or aspirin and EFA. Four hours later, SPM precursor levels were quantified using combined Liquid Chromatography tandem mass spectrometry. The differences between the groups: Aspirin (yes or no), EFA (yes or no), were analyzed by ANCOVA, testing for group differences after covarying out the baseline value. Results: There were 4 significant interactions, 1 with an aspirin …

Profiling Precursor Lipids For Specialized Pro-Resolution Molecules In Platelet-Rich Plasma Following Fish Oil And Aspirin Intake, Lisa A. Turner

Theses and Dissertations

Background: Unfavorable outcomes following periodontal surgeries can be attributed to impaired resolution mechanisms likely due to decreased levels of specialized pro-resolution molecules (SPM). The current study investigates if SPM substrate pools in platelet-rich plasma preparations (PRP) can be increased by essential fatty acid (EFA) and / or aspirin supplementation. Methods: Nineteen healthy volunteers were randomly assigned to take i) aspirin; ii) EFA; iii) aspirin and EFA. Four hours after intake, the lipid precursor pools in PRP were quantified using combined Liquid Chromatography tandem mass spectrometry (LC-MS/MS) and the data statistically analyzed using ANCOVA. Results: Of the 77 metabolites screened, only …

An Investigation Of Surface Characteristics Of Enamel Treated With Infiltrative Resin: A Scanning Electron Microscopy Study, Danielle E. Easterly

Theses and Dissertations

AN INVESTIGATION OF SURFACE CHARACTERISTICS OF ENAMEL TREATED WITH INFILTRATIVE RESIN: A SCANNING ELECTRON MICROSCOPY STUDY

Danielle E. Easterly, Doctorate of Dental Surgery.

A thesis submitted in partial fulfillment of the requirements for the degree of Master of Science in Dentistry at Virginia Commonwealth University.

Virginia Commonwealth University. 2017.

Director: Dr. Eser Tüfekçi

D.D.S., M.S., Ph.D., M.S.H.A.

Objective: To evaluate the microstructural changes of a resin infiltrant (ICON®, DMG America LLC, Englewood, NJ) after six months of simulated toothbrushing.

Materials and Methods: Ten extracted third molars (n=10) were collected. Artificial white spot lesions were created and resin applied. Environmental SEM …

Work-Related Musculoskeletal Disorders Among Dentists And Orthodontists, Natalie R. La Rochelle

Theses and Dissertations

WORK-RELATED MUSCULOSKELETAL DISORDERS AMONG DENTISTS AND ORTHODONTISTS

A thesis submitted in partial fulfillment of the requirements for the degree of

Master of Science in Dentistry at Virginia Commonwealth University.

by

Natalie R. La Rochelle

Thesis Director: Dr. Eser Tüfekçi, D.D.S., M.S., Ph.D., M.S.H.A.

Professor, Department of Orthodontics

Virginia Commonwealth University

Richmond, Virginia

May 2017

The practice of dentistry is physically demanding due to static and dynamic postures sustained daily throughout careers. Previous literature suggests that work-related musculoskeletal disorders (WMSD) are not solely the result of work habits, but also due to the individual, his or her physical makeup, genetics, and …

Comparison Of Intraoral And Extraoral Scanners On The Accuracy Of Digital Model Articulation, Jason L. Porter

Theses and Dissertations

Introduction: Orthodontists increasingly rely on digital models in clinical practice. The ability of modern scanners to articulate digital models must be scientifically evaluated. Methods:Twenty five digital articulated models were produced from four digital scanners in five experimental groups. The resulting inter-arch measurements were compared to the gold standard. An acceptable range of 0.5mm more or less than the gold standard was used for evaluation. Results: iTero® and iTero® Element yielded all acceptable inter-arch measurements. The 3M™ True Definition and Ortho Insight 3D® with Regisil® bite registration produced four of six acceptable inter-arch measurements. The Ortho Insight 3D® with Coprwax ™ …

Obstructive Sleep Apnea Educational Intervention Of Dental Hygiene Students, Kathrine Pottle

EWU Masters Thesis Collection

Purpose: Dental hygienists (DHs) have a unique opportunity to screen for OSA, but receive limited OSA education within the DH curriculum. This study was conducted to determine if an online educational intervention could significantly increase the knowledge of information relevant to obstructive sleep apnea (OSA) screening in dental hygiene (DH) students. Methods: OSA knowledge was assessed with a 17 question, comprehension based pre-test and post-test. The convenience sample consisted of first year DH students enrolled in DNHY 341S Management of the Medically Compromised at Eastern Washington University (EWU). Participants completed the pre-test, viewed the OSA educational video, completed a post-test, …

Use Of Instructional Videos In Remediation To Enhance Dental Hygiene Students’ Restorative Skills, Cristina Lu

EWU Masters Thesis Collection

Purpose: Performing restorative procedures is one of the scopes of practice for dental hygienists in Washington State. To ensure dental hygiene students are clinically competent with their skills upon graduation, remediation is inevitable. However, with current challenges faculty face with traditional remedial interventions such as heavy workload and faculty availability, an alternative effective method of providing restorative remediation for dental hygiene students would be beneficial. This study investigated whether the use of instructional videos in remediation enhanced dental hygiene students’ restorative skills. Methods: This mixed-method study used a convenience sample of senior dental hygiene students. In this counterbalanced experimental design, …

Development Of 3d Pcl Microsphere/Tio2 Nanotube Composite Scaffolds For Bone Tissue Engineering, Kimia Khoshroo, Tahereh S. Jafarzadeh Kashi, Fathollah Moztarzadeh, Mohammadreza Tahriri, Hossein E. Jazayeri, Lobat Tayebi

School of Dentistry Faculty Research and Publications

In this research, the three dimensional porous scaffolds made of a polycaprolactone (PCL) microsphere/TiO₂ nanotube (TNT) composite was fabricated and evaluated for potential bone substitute applications. We used a microsphere sintering method to produce three dimensional PCL microsphere/TNT composite scaffolds. The mechanical properties of composite scaffolds were regulated by varying parameters, such as sintering time, microsphere diameter range size and PCL/TNT ratio. The obtained results ascertained that the PCL/TNT (0.5 wt%) scaffold sintered at 60 °C for 90 min had the most optimal mechanical properties and an appropriate pore structure for bone tissue engineering applications. The average pore size …

Optimizing Anterior Implant Outcome Immediately After Implant Placement And Grafting By Using Patient’S Extracted Teeth: A Case Report, Soni Prasad, Jay Darryl Banez, Despoina Bompolaki, Yvonne Hart

School of Dentistry Faculty Research and Publications

Optimizing anterior implant outcome using patient’s extracted teeth.

Successful implant treatment in the anterior maxilla is predicated on providing a functional and esthetically acceptable outcome. As well, achieving a predictable ideal emergence profile and soft tissue contour is expected. Placing immediate provisional restorations utilizing the patient’s modified extracted teeth can facilitate initiate facial soft tissue contouring while precluding undue pressure on the surgical site during the early healing phase. This allows for a one stage surgical procedure, fixed provisionalization and ideal tissue contouring.

This clinical report presents the use of a patient’s modified extracted permanent teeth as bonded fixed provisional …

Dental Impressions: The Digital Alternative, Gary L. Stafford

School of Dentistry Faculty Research and Publications

No abstract provided.

Viscoelastic Properties Of Orthodontic Adhesives Used For Lingual Fixed Retainer Bonding, Demetrios P. Papadogiannis, A. Iliadi, T. Gerard Bradley, N. Silikas, George Eliades, T. Eliades

School of Dentistry Faculty Research and Publications

Objective

To evaluate the viscoelastic properties of two experimental BPA-free and one BisGMA-based orthodontic resin composite adhesives for bonding fixed retainers.

Methods

A commercially available BisGMA-based (TXA: Transbond LR) and two bisphenol A-free experimental adhesives (EXA and EXB) were included in the study. The viscoelastic behavior of the adhesives was evaluated under static and dynamic conditions at dry and wet states and at various temperatures (21, 37, 50 °C). The parameters determined were shear modulus (G), Young’s modulus (E) under static testing and storage modulus (G₁), loss tangent (tan δ) and dynamic viscosity (n*) under …

Cranio-Maxillofacial Reconstruction With Microvascular Radialis Flaps—Parameters And Correlations Of Postoperative Pain Management, Gregor F. Raschke, Winfried Meissner, Andre Peisker, Gabriel Djedovic, Ulrich M. Rieger, Arndt Guentsch, Daria Porwit, Marta Gomez-Dammeier, Stefan Schultze-Mosgau

School of Dentistry Faculty Research and Publications

Objectives

Postoperative pain management is of highest interest for patients undergoing maxillofacial surgery including microvascular reconstructive surgery. Currently, there is a lack of information regarding process and outcome of postoperative pain management after microvascular reconstruction.

Materials and methods

In a prospective clinical study, 31 adults were evaluated on the first postoperative day following microvascular reconstruction with a radial forearm flap using the standardized questionnaire of the Germany-wide project Quality Improvement in Postoperative Pain Management (QUIPS). It enables a standardized assessment of patients’ characteristics, pain parameters, outcome and pain therapy process parameters.

Results

Pain management consisted predominately of premedication with midazolam, …

Evaluation Of A Post-Treatment Follow-Up Program In Patients With Oral Squamous Cell Carcinoma, Andre Peisker, Gregor F. Raschke, Arndt Guentsch, Paul Luepke, Korosh Roshanghias, Stefan Schultze-Mosgau

School of Dentistry Faculty Research and Publications

Objectives

The duration and the frequency of follow-up after treatment of oral squamous cell carcinoma are not standardized in the current literature. The purpose of this study was to evaluate our local standard post-treatment and follow-up protocol.

Materials and methods

Overall, 228 patients treated curatively from 01/2006 to 07/2013 were reviewed. To evaluate the follow-up program, data on the secondary event were used. To determine risk groups, all patients with tumor recurrence were specifically analyzed. Relapse-free rate were estimated by the Kaplan-Meier product limit method. The chi-square test was used to identify independent risk factors for tumor relapse.

Results

In …

Immunohistochemical Analysis Of Il-1 Beta In The Discs Of Patients With Temporomandibular Joint Dysfunction, Luis Eduardo Almeida, Sean Pierce, Joseph Zacharias, William E. Cullinan, Lucia Noronha, Marcia Olandoski, Vinicius Tramontina, Carla Loreto, Rosalia Leonardi

School of Dentistry Faculty Research and Publications

Purpose: Interleukin-1 beta (IL-1β) is a cytokine that participates in the regulation of immune responses and inflammatory reactions. It is hypothesized that IL-1 levels may be elevated in patients suffering from temporomandibular joint dysfunction. The purpose of this study was to determine the association of IL-1β expression with TMD using an immunohistochemical approach to evaluate the joint disc.

Materials and methods: A total of 39 human temporomandibular joint disc samples were collected, with 31 samples in the test group. Nineteen of the test group samples were from discs of patients with anterior disc displacement with reduction, and 12 …

Oral Examination, Alessandro Villa, Michael J. Wells, Drore Eisen, Jeff Burgess, James J. Nordlund, Denis P. Lynch, Gary L. Stafford

School of Dentistry Faculty Research and Publications

The oral cavity is the first component of the digestive tract, which is delimited by the lips anteriorly and the oropharynx posteriorly. The oral cavity functions as a protective barrier and is an essential component for speech and swallowing, mastication, digestion, and taste sensation.

The oral examination comprises a uniform and consistent inspection of the head and neck and an intraoral evaluation of the hard and soft tissues (see the images below) in conjunction with a thorough medical and dental history. The entire mouth should be inspected regardless of the patient’s chief complaint and reasons for the visit. ^{[1 …}

Expression Of Mmp-13 In Human Temporomandibular Joint Disc Derangement And Osteoarthritis, Juliano Henrique Perotto, Flavio Camejo, Andrea Doetzer, Luis Eduardo Almeida, Marina Azevedo, Marcia Olandoski

School of Dentistry Faculty Research and Publications

Objective: MMP-13 performs digestion of collagen, which is a primary component of the temporomandibular joint (TMJ) articular disc. This study evaluated the expression of MMP-13 in patients with anterior disc displacement with (ADDwR) and without reduction (ADDwoR), and in the presence of TMJ osteoarthrosis.

Methods: Thirty-nine human temporomandibular joint disc samples were collected and divided in two ways: ADDwR (21 samples), ADDwoR (10 samples), and a control group (8 samples); and with osteoarthrosis (10 samples) and without osteoarthrosis (29 samples). Immunostaining of the TMJ discs was statistically compared between the groups.

Results: There was no statistically significant difference for the …

The Relationships Between Fluoride Intake Levels And Fluorosis Of Late‐Erupting Permanent Teeth, Pradeep Bhagavatula, Alexandra Curtis, Barbara Broffitt, Karin Weber-Gasparoni, John J. Warren, Steven M. Levy

School of Dentistry Faculty Research and Publications

Objectives

To examine the relationships between fluoride intake levels and fluorosis of late‐erupting permanent teeth.

Methods

The current study used information collected from 437 children in the longitudinal Iowa Fluoride Study. Participants' fluoride intake information was collected using questionnaires from birth to age 10 years. Estimated mean daily fluoride intake was categorized into low, moderate, and high intake tertiles for each age interval (2‐5, 5‐8, and 2‐8 years). Bivariate analyses were performed to study the relationships between self‐reported fluoride intake levels during three age intervals and dental fluorosis.

Results

For canines and second molars, the prevalence of mostly mild fluorosis …

Expression Of Interleukin-1 And Temporomandibular Disorder: Contemporary Review Of The Literature, Adam Sorenson, Kyle Hresko, Seth Butcher, Sean Pierce, Vinícius Augusto Tramontina, Rosalia Leonardi, Carla Loreto, Jose A. Bosio, Luis Eduardo Almeida

School of Dentistry Faculty Research and Publications

Objective: Temporomandibular disorders (TMD) are a group of conditions affecting the temporomandibular joint (TMJ), leading to jaw dysfunction, joint and muscle pain, and a decrease in quality of life. A communication network of pro- and anti-inflammatory mediators called cytokines maintains the homeostasis of the TMJ. This review will focus on the Interleukin (IL) family of cytokines, which have been quantified in TMJ synovial fluids in a variety of studies. IL-1α and IL-1β have pro-inflammatory effects, while the endogenous receptor antagonist (IL-1RA) inhibits the pro-inflammatory effects of IL-1.

Methods: A literature search (2006–2016) to identify eligible studies was completed …