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A Biofilm-Based Aging Model For Testing Degradation Of Dental Adhesive Microtensile Bond Strength, Aditi Jain 2016 University of Iowa

A Biofilm-Based Aging Model For Testing Degradation Of Dental Adhesive Microtensile Bond Strength, Aditi Jain

Theses and Dissertations

The objective of this work was to develop a short-term, clinically simulative, biofilm-based aging/storage model for lab testing of newer dental adhesives in order to predict their long-term performance. To do this we tested the hypothesis that 15 days of biofilm challenge with cariogenic bacterial species, Streptococcus mutans (SM) and Streptococcus sobrinus (SS), would produce similar or a greater reduction in microtensile bond strength (μTBS) of dental adhesives as compared to a standard 6 months of water storage (WS).

Thirty-one molars were flattened to dentin, restored using Optibond-FL adhesive and Z-100 dental composite, sectioned and trimmed into four dumbbell-shaped ...


Llusd Articulator - Volume 27, Number 1, Loma Linda University School of Dentistry, Kenneth Abramovitch 2016 Loma Linda University

Llusd Articulator - Volume 27, Number 1, Loma Linda University School Of Dentistry, Kenneth Abramovitch

Articulator (Dentistry Journal)

Contents:

4 | Dean's message
6 | Articulator survey
8 | Melvin Lund: LLUSD pioneer
12 | Where are they now? Price Family
17 | Radiology Clinic dedication
20 | Alumni Student Convention #56
28 | Celebrating 40 years of implant dentistry
33 | Profiles in service learning
38 | Science history: X radiation and dental radiology
46 | LLUSD researchers swarm AADR & CDA
53 | NEWS
62 | Clinic regulars


Llusd Articulator - Volume 26, Number 2, Loma Linda University School of Dentistry, Jung-Wei Chen, Morris J. De Leon 2015 Loma Linda University

Llusd Articulator - Volume 26, Number 2, Loma Linda University School Of Dentistry, Jung-Wei Chen, Morris J. De Leon

Articulator (Dentistry Journal)

Contents:

4 | Dean's message
7 | Bracing for accreditation
14 | Developing IPE
17 | Shirley Lee's long commute
22 | Commencement 2015
32 | Science:
Accessing Zirconia crowns
40 | How to treat a lion
42 | News:
Noah's cleft cookies
LLUUSD Ironman eBook pedagogy
Healing Hands
Lobbying for kids
57 | Elmer Kelln: LLUSD pioneer
60 | Fond Farewells


Novel Protective Salivary Peptides And The Chitosan Nanoparticles Delivery System, Flavia Zaidan Cardoso Salina 2015 The University of Western Ontario

Novel Protective Salivary Peptides And The Chitosan Nanoparticles Delivery System, Flavia Zaidan Cardoso Salina

Electronic Thesis and Dissertation Repository

As a result of its protein composition, saliva performs many essential functions that contribute to oral homeostasis. However, salivary proteins suffer quick degradation in the oral cavity, which decreases the protective potential of that fluid (Chapter 2). Using scanning electron microscopy (SEM), we evaluated the effect of our novel salivary peptides DR9, DR9-DR9, DR9-RR14 and RR14 on the crystallization of calcium oxalate (CaOx). All peptides containing DR9 showed significant inhibitory effect on the crystallization of CaOx, whereas RR14 showed no effect (Chapter 3). Next, we tested the adsorption behavior of our chitosan nanoparticles (CHNP) delivery system to hydroxyapatite (HA) surface ...


Effect Of The Lingual Margin Configuration On The Fracture Strength Of Class Iv Resin Based Composite Restorations Under Static Loading, Nubia Carolina Garcia Martinez 2015 University of Iowa

Effect Of The Lingual Margin Configuration On The Fracture Strength Of Class Iv Resin Based Composite Restorations Under Static Loading, Nubia Carolina Garcia Martinez

Theses and Dissertations

Resin-based composite for Class IV restoration is a conservative alternative for maxillary incisor fracture. Little is known about the effect of lingual margin configurations on the longevity of these restorations. This in vitro experiment compared the mean fracture strength among four lingual margin configurations (butt joint, 45° bevel, 60° bevel and chamfer) for Class IV resin-based composite restorations. A total sample size of n=100 human extracted lower incisors were selected, then the teeth were randomly assigned to one of the four lingual margin configuration groups (n=25) and restored with resin-based composite. After thermocycling (5000 cycles, 5°C-55°C ...


Oral Wellness: Using Occupational Therapy To Enhance Oral Hygiene Delivery In Long-Term Care, Lauryn J. Banovitz, Liberty Bellah, Rosemarie Lion 2015 Dominican University of California

Oral Wellness: Using Occupational Therapy To Enhance Oral Hygiene Delivery In Long-Term Care, Lauryn J. Banovitz, Liberty Bellah, Rosemarie Lion

Graduate Master's Theses, Capstones, and Culminating Projects

Based on current literature, oral health in long-term care (LTC) facilities is frequently of low priority and does not follow evidence-based best practices. Poor oral health reduces the quality of life of older adult residents and patients and can lead to systemic diseases, such as cardiovascular disease, stroke, and pneumonia, the leading cause of death in LTC. Occupational therapists can play an instrumental role as oral care consultants, and educators, and can act as resource guides to raise the standards of oral care in LTC facilities.

This capstone project explored ways in which occupational therapy, a profession traditionally designated for ...


Loma Linda University Dentistry - Volume 26, Number 1, Loma Linda University School of Dentistry 2015 Loma Linda University

Loma Linda University Dentistry - Volume 26, Number 1, Loma Linda University School Of Dentistry

Articulator (Dentistry Journal)

Contents:

4 | Dean's message
6 | Philanthropy:
Vision 2020 and LLUSD
9 | By the numbers
10 | Transitions:
Division of General Dentistry established
18 | Alumni Student Convention (ASC):
Student Dedication
20 | ASC #55
24 | Science:
CDR Expansion
32 | Student Research
36 | News:
LLU researchers take Boston
38 | PNAM alumni reunion
41 | Clinic With A Heart celebrates Silver Anniversary
44 | Icy challenges for ALS
46 | Alumnus elected to CA Assembly
48 | LLUSD + MEND-a collaboration
54 | Fond Farewells


Mass Fatality Incidents And The Role Of The Dental Hygienist: Are We Prepared?, Tara L. Newcomb, Ann M. Bruhn, Bridget Giles 2015 Old Dominion University

Mass Fatality Incidents And The Role Of The Dental Hygienist: Are We Prepared?, Tara L. Newcomb, Ann M. Bruhn, Bridget Giles

Dental Hygiene Faculty Publications

Dental hygienists can fill critical roles during mass fatality incidents in the area of disaster victim identification, providing much needed support to forensic odontologists. The purpose of this paper is to bring awareness that research is needed to assess current dental hygiene programs, continuing education opportunities and the type of approach being used to develop and implement pedagogy in the forensic specialty area, specifically mass fatality preparedness and response for the dental hygienist. Because of the threat of terrorism in the U.S. and natural disasters like hurricanes, the need to prepare dental professionals in disaster response and fatality management ...


Restoring Lateral Incisors And Orthodontic Treatment: Perceptions Among General Dentists And Othodontists, Matthew A. Sandretti, Bhavna Shroff, Steven J. Lindauer, Al M. Best 2015 Virginia Commonwealth University

Restoring Lateral Incisors And Orthodontic Treatment: Perceptions Among General Dentists And Othodontists, Matthew A. Sandretti, Bhavna Shroff, Steven J. Lindauer, Al M. Best

Theses and Dissertations

The purpose of this study was to identify and compare preferences and perceptions of orthodontists and general dentists when restoring peg-shaped lateral incisors. The investigation sought to summarize these preferences with regard to treatment planning, tooth preparation and interdisciplinary communication. A pair of mailed and electronic surveys was distributed to 1,500 general dentists and orthodontists, respectively. The results indicated that general dentists perceived that general dentists held the primary decision-making responsibility, while orthodontists disagreed (P<0.0001). Orthodontists prioritized the treatment goals of Class I canine relationship and overbite/overjet more significantly than general dentists, whom valued tooth proportions more highly (P<0.0001). General dentists reported receiving significantly less input than orthodontists report seeking (P<0.0001).The consensus of both groups showed that the tooth should be positioned centered mesiodistally and guided by the gingival margins incisogingivally. Both groups agree that orthodontists must improve communication to improve treatment results.


Assessment Of Color Difference Between The Tooth As A Whole And Underlying Dentin, Rawa Abdullah Alammari 2014 University of Iowa

Assessment Of Color Difference Between The Tooth As A Whole And Underlying Dentin, Rawa Abdullah Alammari

Theses and Dissertations

Objective:

Natural tooth is composed of different structures with different optical properties. The aim of this observational study is to investigate the difference between the dentin color and the tooth color in CIE LAB* color coordinates and Delta E at incisal, middle and cervical thirds of maxillary anterior teeth .

Methods:

Sound natural extracted maxillary anterior teeth were used. Horizontal and vertical grooves were cut into enamel to be used as a reference for the measurement locations. Teeth were mounted on a dentoform with a bite registration material (Regisil, DENTSPLY). An image of the tooth was captured with an image-based spectrophotometer ...


Bite Marks On Skin And Clay: A Comparative Analysis, R K. Gorea, O. P. Jasuja, Abdulwahab Ali Abuderman, Abhinav Gorea 2014 Salman Bin Abdul Aziz University,

Bite Marks On Skin And Clay: A Comparative Analysis, R K. Gorea, O. P. Jasuja, Abdulwahab Ali Abuderman, Abhinav Gorea

ECU Publications Post 2013

Bite marks are always unique because teeth are distinctive. Bite marks are often observed at the crime scene in sexual and in physical assault cases on the skin of the victims and sometimes on edible leftovers in burglary cases. This piece of evidence is often ignored, but if properly harvested and investigated, bite marks may prove useful in apprehending and successfully prosecuting the criminals. Due to the importance of bite marks, we conducted a progressive randomised experimental study conducted on volunteers. A total of 188 bite marks on clay were studied. Based on these findings, 93.34% of the volunteers ...


Loma Linda University Dentistry - Volume 25, Number 2, Loma Linda University School of Dentistry, Mahmoud Torabinejad, Robert P. Corr, George T. J. Huang 2014 Loma Linda University

Loma Linda University Dentistry - Volume 25, Number 2, Loma Linda University School Of Dentistry, Mahmoud Torabinejad, Robert P. Corr, George T. J. Huang

Articulator (Dentistry Journal)

Contents:

8-10 | New Positions Filled: Burdick, Li, Sherwin
14 | Alumni Student Convention Class of '64
18 | Factors Affecting Pulp Regeneration
30 | Student Research Winners
34 | Commencement 2014: "You Make Us Look Good"
46 | Omni Dean
49 | Marathon Man


A Comparison Of Gingival Marginal Adaptation And Surface Microhardness Of Class Ii Resin Based Composites (Conventional And Bulk Fill) Placed In Layering Versus Bulk Fill Techniques, Mohamed Ahmed Anis Abouelnaga 2014 University of Iowa

A Comparison Of Gingival Marginal Adaptation And Surface Microhardness Of Class Ii Resin Based Composites (Conventional And Bulk Fill) Placed In Layering Versus Bulk Fill Techniques, Mohamed Ahmed Anis Abouelnaga

Theses and Dissertations

No abstract provided.


The Effect Of Ceramic Translucency And Thickness On The Polymerization Of Light-Cured Adhesive Resin Cement, Lamya Saud M. Alghaith 2014 University of Iowa

The Effect Of Ceramic Translucency And Thickness On The Polymerization Of Light-Cured Adhesive Resin Cement, Lamya Saud M. Alghaith

Theses and Dissertations

Objective: To assess the effects of ceramic opacity and thickness on delivered radiant exposure and degree of conversion and microhardness of the light-cured resin cement.

Materials and Methods: IPS e-Max ceramic discs (Ivoclar Vivadent) were fabricated in 3 thicknesses (0.5, 1.0, and 1.5mm) and 4 opacities (HT, LT, MO, HO) (n=3/per group). Light-cured resin cement (Variolink Veneer Luting Cement - shade MVO, Ivoclar Vivadent) 50µm thick was cured through these ceramics disks using a quartz tungsten halogen curing light unit (Optilux 501, Kerr) with its radiant exposure measured by MARC from a fixed distance (1.5mm ...


Eight-Year Report Of Stepwise Excavation Procedure Outcomes In A Us Academic Setting., Paula Marcela Ortega Verdugo 2014 University of Iowa

Eight-Year Report Of Stepwise Excavation Procedure Outcomes In A Us Academic Setting., Paula Marcela Ortega Verdugo

Theses and Dissertations

P.ORTEGA-VERDUGO1 S.GUZMAN-AMSTRONG1 D. COBB1, D.V.DAWSON1,

J.KOLKER1, M.HERNANDEZ1, J.WARREN 1University of Iowa, Iowa City, USA.

NA


Hand Function Evaluation For Dental Hygiene Students, Sara Taft 2014 East Tennessee State University

Hand Function Evaluation For Dental Hygiene Students, Sara Taft

Electronic Theses and Dissertations

Dental hygiene students may struggle in dental hygiene curriculum in regards to hand function. Currently, this is not an aspect dental hygiene programs screen for or have protocol in place to help students. The research in the study examined if hand function could improve with hand function exercises and if exercises improved instrumentation scores. During a 6-week pilot study, an occupational therapist tested the hand function of a cohort of dental hygiene students. The results were recorded and the students began a 6-week hand function exercise regimen. After 6 weeks the same evaluations were preformed and the pre- and posttest ...


Loma Linda University Dentistry - Volume 25, Number 1, Loma Linda University School of Dentistry, Jaime Lozada, Joseph Kan, Antoanela Garbacea 2014 Loma Linda University

Loma Linda University Dentistry - Volume 25, Number 1, Loma Linda University School Of Dentistry, Jaime Lozada, Joseph Kan, Antoanela Garbacea

Articulator (Dentistry Journal)

Content:

8 | Ronald Secor Departs
9 | Introducing Euni Cho
12 | New Positions: Jessica Kim & Bonnie Retamozo
14 | Natural Crowns as Provisional Restorations
19 | A Generation of Implant Dentistry
24 | Nick Caplanis Elected President, American Academy of Implant Dentistry
36 | LLUSD at ADA in New Orleans


A Comparison Of Dimensional Standard Of Several Nickel-Titanium Rotary Files, Ki-Won Kim, Kyung-Mo Cho, Se-Hee Park, Ki-Yeol Choi, Bekir Karabucak, Jin-Woo Kim 2014 University of Pennsylvania

A Comparison Of Dimensional Standard Of Several Nickel-Titanium Rotary Files, Ki-Won Kim, Kyung-Mo Cho, Se-Hee Park, Ki-Yeol Choi, Bekir Karabucak, Jin-Woo Kim

Departmental Papers (Dental)

Objectives

The aim of this study was to compare the dimensional standard of several nickel-titanium (Ni-Ti) rotary files and verify the size conformity.

Materials and Methods

ProFile (Dentsply Maillefer), RaCe (FKG Dentaire), and TF file (SybronEndo) #25 with a 0.04 and 0.06 taper were investigated, with 10 in each group for a total of 60 files. Digital images of Ni-Ti files were captured under light microscope (SZX16, Olympus) at 32×. Taper and diameter at D1 to D16 of each files were calculated digitally with AnalySIS TS Materials (OLYMPUS Soft Imaging Solutions). Differences in taper, the diameter ...


Adult Scurvy In New France: Samuel De Champlain's "Mal De La Terre" At Saint Croix Island, 1604-1605, Thomas A. Crist, Marcella H. Sorg 2014 University of Maine

Adult Scurvy In New France: Samuel De Champlain's "Mal De La Terre" At Saint Croix Island, 1604-1605, Thomas A. Crist, Marcella H. Sorg

Anthropology Faculty Scholarship

No abstract provided.


The Effective Dose Of Different Scanning Protocols Using The Sirona Galileos® Comfort Cbct Scanner, David R. Chambers 2013 The University of Western Ontario

The Effective Dose Of Different Scanning Protocols Using The Sirona Galileos® Comfort Cbct Scanner, David R. Chambers

Electronic Thesis and Dissertation Repository

Introduction: Cone Beam CT imaging is prevalent in dentistry yet much is unknown with regard to how radiation dose to the patient varies between different CBCT scanners and imaging protocols. Scanner and protocol specific effective dose calculations will aid in optimizing individualized protocols for clinical applications.

Purpose: To determine the effective dose for a range of imaging protocols using the Sirona GALILEOS Comfort CBCT scanner.

Materials and Methods: Calibrated InLight nanoDot OSL dosimeters (Landauer, Glenwood, Ill) were placed at 26 select sites in the head and neck of a modified, human tissue-equivalent RANDO phantom. Effective dose was calculated using the ...


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