Dentistry Commons^™

Ada News - 08/06/2018, American Dental Association, Publishing Division

ADA News

Established in 1970 as the official newspaper of the American Dental Association, the ADA News serves practicing dentists and others allied to the dental profession in the U.S. and internationally. It is the No. 1 source of news and information about the many benefits and services the ADA delivers to members daily as well as timely information on scientific, social, political and economic developments affecting dentistry and health care.

Green Tea Polyphenol Epigallocatechin-3-Gallate-Stearate Inhibits The Growth Of Streptococcus Mutans: A Promising New Approach In Caries Prevention, Amy Lynn Melok, Lee Lee, Siti Ayuni Mohamed Yussof, Tinchun Chu

Department of Biology Faculty Scholarship and Creative Works

Streptococcus mutans (S. mutans) is the main etiological bacteria present in the oral cavity that leads to dental caries. All of the S. mutans in the oral cavity form biofilms that adhere to the surfaces of teeth. Dental caries are infections facilitated by the development of biofilm. An esterified derivative of epigallocatechin-3-gallate (EGCG), epigallocatechin-3-gallate-stearate (EGCG-S), was used in this study to assess its ability to inhibit the growth and biofilm formation of S. mutans. The effect of EGCG-S on bacterial growth was evaluated with colony forming units (CFU) and log reduction; biofilm formation was qualitatively determined by Congo red assay, …

Trident - August 2018, Dugoni School Of Dentistry

Trident

The newsletter of the Pacific Orthodontic Alumni Chapter at University of the Pacific, Arthur A. Dugoni School of Dentistry.

Cannabidiol Alters The Immune Response To Porphyromonas Gingivalis In Mice., Shilpa Singh

Electronic Theses and Dissertations

Background: Porphyromonas gingivalis is an important etiologic agent of chronic periodontitis, an infectious disease defined by destruction of supporting tissues of the teeth. Marijuana is a risk factor for chronic periodontitis, although underlying mechanisms are poorly understood. As phytocannabinoids have been ascribed antiinflammatory properties, we hypothesized that cannabidiol exposure would lead to altered immune response to P. gingivalis infection facilitating bacterial persistence and, subsequently, increased alveolar bone loss in cannabidiol (CBD)-exposed mice. Methods: P. gingivalis-infected cannabinoid receptor 2 (CB2) knockout and wild type C57/Bl6 mice were exposed, or not exposed, to cannabidiol. Oral swabs from mice were used to monitor …

New Dentist News (August 2018), Ada Committee On The New Dentist

New Dentist News

New Dentist News offers timely information on scientific, social, educational, political and economic developments affecting new dentists. This collection is historical and items may not reflect current standards. For up-to-date information contact the ADA. The New Dentist News was alternately titled ADA Lifeline, 1997-June 2001.

The Effect Of Medicaid On Dental Care Of Poor Adults: Evidence From The Oregon Health Insurance Experiment., Katherine Baicker, Heidi L Allen, Bill J. Wright, Sarah L Taubman, Amy N Finkelstein

Articles, Abstracts, and Reports

OBJECTIVE: To evaluate the effect of Medicaid coverage on dental care outcomes, a major health concern for low-income populations.

DATA SOURCES: Primary and secondary data on health care use and outcomes for participants in Oregon's 2008 Medicaid lottery.

STUDY DESIGN: We used the lottery's random selection to gauge the causal effects of Medicaid on dental care needs, medication, and emergency department visits for dental care.

DATA COLLECTION: Data were collected for lottery participants over 2 years, including mail surveys (N = 23,777) and in-person questionnaires (N = 12,229). Emergency department (ED) records were matched to lottery participants in Portland (N …

Design Of Parallel Robot For Dental Articulation And Its Optimization, Abulimiti Delimulati

Department of Mechanical and Materials Engineering: Dissertations, Theses, and Student Research

A dental articulator is a mechanical device used to simulate the relative position and motion between the upper and lower jaw when constructing and testing dental prostheses. Typically, it can be adjusted to approximate patient-specific jaw kinematics in order to analogue the static relationship and specific motions of a patient’s mandible to maxilla. However, the use of dental articulators is essentially a trial-and-error method in order to fine-tune fit and function of a dental prosthesis. Some of the most advanced current dental articulators can reproduce the position and the motion passively; furthermore, dentists need special training for measuring patients’ maxillofacial …

Reliability And Accuracy Of A Novel Photogrammetric Orthodontic Monitoring System, Vahe Ohanesian

Loma Linda University Electronic Theses, Dissertations & Projects

Purpose: This study quantitatively investigated the reliability and accuracy of Dental Monitoring’sTM proprietary orthodontic tracking system in comparison to an established reference. Materials and Methods: Intraoral scans (True Definition Scanner, 3MTM) and video scans (iPhone 7, AppleTM) were taken of 30 subjects undergoing comprehensive orthodontic treatment at Loma Linda University’s Graduate Orthodontic Clinic at T1 (initial) and T2 (3 months later). At each time point, an intraoral scan was taken by the operator followed by three video scans- two taken by the patient and one by the operator. Three linear and three angular measurements were analyzed using Dental Monitoring’sTM tracking …

Measuring A Sample Of Orthodontic Models/Panographs At Llusd Using The Cr-Eval, Jonathan Michael Drew

Loma Linda University Electronic Theses, Dissertations & Projects

Introduction: An index must be used to quantify the improvement in the position of teeth treated by orthodontics. The Cast-Radiograph Evaluation is the index used by the American Board of Orthodontics. The purpose of this study is to use this index to evaluate treatment outcomes in the graduate orthodontic clinic at Loma Linda University from 2012-2016. Materials and Methods: Patients included were comprehensively treated, debonded between 1/1/2012 and 12/31/2016, and under age 30. A total of 80 patients were randomly selected, with 16 coming from each year. The ABO DI was used to score the T1 models, and the CR-Eval …

In-Vitro Evaluation Of Accuracy Of Conventional And Cad/Cam Removable Partial Denture Frameworks, Pooya Soltanzadeh

Loma Linda University Electronic Theses, Dissertations & Projects

Purpose: Computer-aided design/computer-aided manufacturing (CAD/CAM) technology is gaining popularity in dentistry, and more recently, to fabricate removable partial dentures (RPD). The purpose of this study was 1) to evaluate the overall accuracy and fit of conventional versus CAD/CAM fabricated printed RPD frameworks based on STL data analysis, and 2) to evaluate the accuracy and fit of each component of the RPD framework. Materials and Methods: A maxillary metal framework was designed for a Kennedy class III modification I situation. The master model was scanned and used to compare the fit and accuracy of the RPD frameworks. A total of 40 …

A Retrospective Cephalometric Growth Study Of Sagittal Airway In Skeletal Class Ii Patients, Sue V. Kim

Loma Linda University Electronic Theses, Dissertations & Projects

Purpose: The study retrospectively determined the average sagittal pharyngeal airway widths in Class II males and females between 7 to 16 years of age and changes in sagittal airway with increasing age. Additionally, this study determined whether average airway differs between gender at each age and compared the average airway widths in relation to increasing age between Class I and II patients. Materials and Methods: Longitudinal cephalograms were digitally traced for 38 untreated subjects (23 males, 15 females) from age 7 to 16 with skeletal and dental Class II patterns. These records were previously taken through growth studies conducted between …

Accuracy Of Cephalometric Analyses And Tooth Movements Of Conventional Vs Cbct-Generated Cephalograms, Thanh Khong Ng

Loma Linda University Electronic Theses, Dissertations & Projects

Purpose: The aim of this study was to compare Ricketts and American Board of Orthodontics (ABO) cephalometric measurements and tooth movements from tracings between conventional lateral cephalograms (Sirona Orthophos XG Plus, Charlotte, NC) and CBCT-generated cephalograms (NewTom 5G; QR srl, Verona, Italy). Materials and Methods: Patients who had bilateral Angle’s class II molar were evaluated. Pre-treatment (T1) and post-treatment (T2) conventional lateral cephalograms (CLCs) and CBCT-generated lateral cephalograms (CBLCs) were traced in Quick Ceph Studio using Ricketts and ABO cephalometric analyses. Linear and angular cephalometric measurements from tracings were compared between the two radiographic modalities using one-sample Wilcoxon signed rank …

The Wear Of Acrylic Resin And Composite Resin Teeth Against Polished And Glazed Zirconia, Abdulkareem Alshehri

Loma Linda University Electronic Theses, Dissertations & Projects

Background: Excessive wear for the occlusal surfaces of teeth results in decreased masticatory efficiency, poor esthetics and leads to reduced the occlusal vertical dimension which could lead to the development of temporomandibular disorders, consequently, further compromise function. Very few studies have been performed on the wear resistance of zirconia against artificial denture teeth and human enamel. Aim: The purpose of this study was to investigate the influence of polished zirconia (PZ) and glazed zirconia (GZ) on the 2-body wear resistance (vertical substance loss) of seven commercially available denture teeth made of different resins. Material and Method: Eight groups (n=10) of …

The Privilege Of Membership, Michael G. Maihofer Dds

The Journal of the Michigan Dental Association

The author answers a question which asks about the ethics of a dental society's member dentist sharing information and or membership  benefits with a non-member dentist-through the lens of the ADA Code of Professional Conduct.

J Mich Dent Assoc Aug 2018

The Journal of the Michigan Dental Association

Archival issues of the Journal of the Michigan Dental Association may include reports on the activities of the association and its members, clinical articles, information on legal and ethical practice considerations, and perspectives of interest to MDA members and those in the oral health profession.

In Vitro Effect Of Graphene Structures As An Osteoinductive Factor In Bone Tissue Engineering: A Systematic Review, Dorsa Mohammadrezaei, Hossein Golzar, Maryam Rezai Rad, Meisam Omidi, Hamid Rashedi, Fatemeh Yazdian, Arash Khojasteh, Lobat Tayebi

School of Dentistry Faculty Research and Publications

Graphene and its derivatives have been well‐known as influential factors in differentiating stem/progenitor cells toward the osteoblastic lineage. However, there have been many controversies in the literature regarding the parameters effect on bone regeneration, including graphene concentration, size, type, dimension, hydrophilicity, functionalization, and composition. This study attempts to produce a comprehensive review regarding the given parameters and their effects on stimulating cell behaviors such as proliferation, viability, attachment and osteogenic differentiation. In this study, a systematic search of MEDLINE database was conducted for in vitro studies on the use of graphene and its derivatives for bone tissue engineering from January …

In Reply, Yeshwant B. Rawal, Joshua S. Brandner, Louis J. Kim, Jasjit K. Dillon

School of Dentistry Faculty Research and Publications

No abstract provided.

A Novel Fas-Binding Outer Membrane Protein And Lipopolysaccharide Of Leptospira Interrogans Induce Macrophage Apoptosis Through The Fas/Fasl-Caspase-8/-3 Pathway., Peng Du, Shi-Jun Li, David M. Ojcius, Kai-Xuan Li, Wei-Lin Hu, Xu'ai Lin, Ai-Hua Sun, Jie Yan

All Dugoni School of Dentistry Faculty Articles

Leptospira interrogans is the major causative agent of leptospirosis, an emerging, globally spreading zoonotic infectious disease. The pathogen induces macrophage apoptosis, but the molecular basis and mechanism remain unknown. In the present study, we found that L. interrogans caused apoptosis of phagocytosis-inhibited macrophages, and the product of the L. interrogans LB047 gene (Lep-OMP047) was the unique protein captured by mouse and human Fas proteins. The recombinant expressed Lep-OMP047 (rLep-OMP047) strongly bound mouse and human Fas proteins with equilibrium association constant (K

Dental Hygeinists Clinical Assessment Of Dental Cervical Lesions, Shyanne Padilla

Dental Hygiene ETDs

Dental hygiene is among one of the fastest growing career fields in the healthcare system. With dental hygienists spending a considerable amount of time with their patients during periodic recall appointments, it is important for dental hygienists to be calibrated with one another in how they recognize and aid in recommending treatment options for certain dental conditions. Dental cervical lesions is one of the most commonly seen oral implications in the dental office, many times being associated with tooth sensitivity. With the array of etiologies and treatment options for dental cervical lesions it is important to see if this same …

Comparative Efficacy Of Video And Text Instructional Modalities For An Oral Surgery Technique Among Dental Students, Ho-Hyun Brian Sun, Jeffrey A. Elo, Grant D. Mcclendon, Hardev Singh, Chan M. Park

Pacific Journal of Health

Purpose: To gauge the efficacy of video media in pre-doctoral oral and maxillofacial surgery education and compare it to traditional text-based learning materials.

Methods: Twenty novice dental students were randomly divided into two groups to place an Erich arch bar to the maxillary dentition of a dentoform. Group A was given a 10 minute video instruction while Group B was given 10 minutes to review written text instruction. All participants were given 45 minutes to place the arch bar on a dentoform while being recorded. This session concluded with a survey of student perceptions using the SEEQ. The …

Dental Hygienists' Knowledge Of Medical Marijuana: A Survey, Lizbeth Hinojos

Dental Hygiene ETDs

Cannabis consumption is at an all-time high in the United States. Due to its fast growth in the medical industry and the lack of FDA approval, research is very limited. Dental hygienists’ will likely encounter a patient under the influence of this substance in the dental office. To provide the best quality of care, the dental hygienist must be aware of the oral implications, side effects and necessary modifications to treatment. Therefore, dental hygiene providers must be knowledgeable on medical marijuana to have discussions with patients when needed. Due to scarce research on the topic it makes it difficult to …

Ada News - 07/09/2018, American Dental Association, Publishing Division

ADA News

Established in 1970 as the official newspaper of the American Dental Association, the ADA News serves practicing dentists and others allied to the dental profession in the U.S. and internationally. It is the No. 1 source of news and information about the many benefits and services the ADA delivers to members daily as well as timely information on scientific, social, political and economic developments affecting dentistry and health care.

Pharyngeal Airway Space Changes In Thai Mandibular Setback Patients, Chavanya Asavalertpalakorn, Thitapa Lelapityamit, Natawan Piriyakulkit, Phonkit Sinpitaksakul, Kevin A. Tompkins, Kanit Dhanesuan

Chulalongkorn University Dental Journal

Background/Objective: The aims of this study were to determine the mean pharyngeal airway space (PAS) area before and after mandibular setback surgery with Bilateral Sagittal Split Ramus Osteotomy (BSSRO) in class III skeletal deformity patients and to identify the correlation between the amount of mandibular setback and PAS change. Materials and Methods: Thirty-two patients who had undergone mandibular setback surgery with BSSRO at the Department of Oral Surgery, Faculty of Dentistry, Chulalongkorn University (Bangkok, Thailand) from January 2010-December 2015 were included in this study. The PAS areas were measured from lateral cephalometric radiographs preoperatively (T0), immediately postoperatively (TPO), 6 months …

Update On Surgical Approach In Accelerating Orthodontic Tooth Movement: A Concise Review, Arthessarat Sirisa-Ard

Chulalongkorn University Dental Journal

The orthodontic treatment is a time-consuming procedure. Fixed orthodontic treatment usually takes 2-3 years, with several regular follow up appointments, depending on various factors such as severity of the malocclusion, treatment planning, and patient compliance. The prolong treatment could increase more complications such as caries and root resorptions. A patient burnout also could happen because of this long term exhausted procedure. Thus, to be able to shorten the orthodontic treatment duration will be highly desirable for both patients and orthodontists. Up to now, several treatment modalities have been reported to accelerate orthodontic tooth movement including biomechanical, biological, physical/mechanical, and surgical …

Efficacy Of Self-Ligating Vs Conventional Fixed Orthodontic Appliance System: An Update, Arthessarat Sirisa-Ard

Chulalongkorn University Dental Journal

The conventional fixed orthodontic appliances have been used to treat number of patients effectively for a long time. However, the popularity of using self-ligating brackets has increased considerably over the last few years. Many advantages of using self-ligating brackets have proposed. These include minimized applied force from the appliance with reduced friction, favorable physiologic tooth movement, less treatment time, longer treatment intervals with fewer appointments, chair time saving, less patient discomfort, improved oral hygiene, etc. However, self-ligating brackets cost higher than conventional appliances. They also have more bulky profile due to their complicated mechanical design and their clip or slide …

Current Perspectives On Ceramic Post And Core Systems, Top Chitkraisorn, Terawat Tosiriwatanapong

Chulalongkorn University Dental Journal

In spite of a large number of in-vitro and in-vivo reports, it is still unclear regarding the ideal restoration of endodontically treated teeth, which requires comprehensive knowledge of dental science, materials science and principles of mechanical engineering, including biomechanics. With the advantage of digital technology, CAD/CAM technology offers high precision restorations with less time consuming and an ability of processing high-strength ceramic such as zirconia, which provides both high esthetics and strength. The review focuses on current knowledge regarding the post and core system, classification of ceramics, CAD/CAM workflow for manufacturing the post and core system and pre-clinical testing of …

Quality Of Life In Patients Prescribed Vitamin B1-6-12 For Treatment Of Sensory Impairment Related-Mandibular Orthognathic Surgery, Kamolratanakul Paksinee, Ruxwongkana Taya, Kraisittisirikul Gun, Trising Worawee, Subbalekha Keskanya

Chulalongkorn University Dental Journal

Background/objective: One of the most common complication in orthognathic surgery is inferior alveolar nerve injury, resulting in sensory impairment that affects patientûs daily life. Many studies reported the potential of vitamin B on nerve regeneration. No clinical study showed the effect of vitamin B1-6-12 on the quality of life. Therefore, we aim to evaluate the effect of vitamin B on oral health related quality of life in post-orthognathic surgical nerve injury. Materials and methods: A prospective, randomized, double blinded trial study were performed in thirty two patients who had undergone mandibular orthognathic surgery with Bilateral Sagittal Split Osteotomy procedure were …

Insight - July 2018, Dugoni School Of Dentistry

Insight

Whether you are involved in clinical research, biomedical research, the scholarship of teaching and learning, improvement of the health care system, or professional partnerships that advance the field, we aim to spotlight the work of people at the Dugoni School.

Dental Practice Success Vol. 5 No. 2, American Dental Association, Publishing Division

Dental Practice Success

No abstract provided.

Llusd Articulator - Volume 29, Number 2, Loma Linda University School Of Dentistry

Articulator (Dentistry)

Contents:

4 | Good news for 2019 and beyond
9 | New Center for Computer Aided Digital Design
12 | Tord Lundgren’s multifaceted career
16 | LLUSD’s 62nd conferring of degrees
20 | Servants of service: the improbable journey of Yiming Li and Wu Zhang
28 | Student Achievement Awards
39 | NASDAD grateful for 75 years
44 | Dental hygiene students published