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Articles 1 - 30 of 37
Full-Text Articles in Other Dentistry
Changes In Stress Distribution Of Orthodontic Miniscrew And Surrounding Bone At Different Angles And Heights - Fem Study, Miranda Mathews
Changes In Stress Distribution Of Orthodontic Miniscrew And Surrounding Bone At Different Angles And Heights - Fem Study, Miranda Mathews
Annual Research Symposium
Miniscrews is introduced as absolute anchorage devices in orthodontic treatment. They are efficient in overcoming anchorage loss. The miniscrew implants can be placed at different heights and angles in the positions determined for various clinical requirements. In this study, we used these parameters for determining the changes in stress distribution on the supporting bone and the miniscrews itself using finite element analysis.The aim of this study is to determine changes in stress distribution on the supporting bone and miniscrew implant at different alveolar crestal heights in different angulations using Finite Element Analysis.
Comparative Evaluation Of Bone Thickness In Infrazygomatic Crest Region For Optimal Insertion Of Bone Screws : A Cbct Study, Kavya Mp
Annual Research Symposium
Infrazygomatic crest (IZC) is a palpable bony ridge running between the alveolar ridge and the zygomatic process of maxilla. IZC bone dimension is an important factor in the safety and stability of bone screws. IZC thickness depends on the site of insertion, angulation and height from the occlusal plane. This study embarks on a comprehensive Cone Beam Computed Tomography (CBCT) exploration, to assess infra zygomatic Crest bone thickness.
Barriers And Facilitators For Dental Practitioners In Implementing Orofacial Myofunctional Therapy: A Scoping Review Protocol, Heuiwon Han, Mina Jawadi
Barriers And Facilitators For Dental Practitioners In Implementing Orofacial Myofunctional Therapy: A Scoping Review Protocol, Heuiwon Han, Mina Jawadi
International Journal of Orofacial Myology and Myofunctional Therapy
Purpose: Orofacial myofunctional therapy (OMT) addresses various dental issues and has evolved significantly since its emergence in the early 20th century. Despite its uses and effectiveness, the adoption of OMT among dental practitioners varies with a lack of comprehensive understanding in the field. This scoping review will aim to map the current evidence on OMT in dentistry, with a focus on the perspectives and attitudes of dental practitioners, as well as the barriers to and facilitators of its implementation in clinical practice.
Method: The planned scoping review adheres to the JBI methodology for scoping reviews guide, with data sourced …
Evaluation Of Trabecular Bone Around The Impacted Maxillary Canine On Cbct Images By Fractal Analysis, Zeynep Betül Arslan, Berrin Çelik
Evaluation Of Trabecular Bone Around The Impacted Maxillary Canine On Cbct Images By Fractal Analysis, Zeynep Betül Arslan, Berrin Çelik
Journal of Dentistry Indonesia
Objective: The aim of this study was to evaluate the position, angulation and surrounding trabecular bone structure of a unilateral impacted maxillary canine (IMC) tooth using fractal analysis. Methods: Cone beam computed tomography images of 50 patients (38 female, 12 male) with unilateral IMC were selected for this retrospective study. A 25x25 pixel region of interest (ROI) was selected in the trabecular bone between the premolars on the impacted and non-impacted side and fractal analysis was conducted. The angulation of unilateral impacted canines was measured and the position was categorized as vestibular, intra-alveolar and palatal. Results: Of …
Clinical And Radiographic Features Of Nevoid Basal Cell Carcinoma Syndrome: A Case Report, G Subhas Babu, Devika S. Pillai, Shruthi Hegde, Padmaraj Hegde, Vidya Ajila
Clinical And Radiographic Features Of Nevoid Basal Cell Carcinoma Syndrome: A Case Report, G Subhas Babu, Devika S. Pillai, Shruthi Hegde, Padmaraj Hegde, Vidya Ajila
Journal of Dentistry Indonesia
Nevoid Basal Cell Carcinoma Syndrome, also called as Gorlin Gotz syndrome is an autosomal dominant disorder characterized by the presence of multiple odontogenic keratocysts (OKCs) of the jaw, basal cell carcinomas and skeletal anomalies. Presence of multiple OKCs is the first clinical manifestation in majority of the cases. Early diagnosis and treatment are of utmost importance in reducing the severity of this syndrome. We hereby report a rare case of Gorlin Goltz syndrome in a 28 years old female patient who presented with multiple cystic lesions in the jaws. Present case also highlights the clinical, radiographic and histopathologic features of …
Early Eruption Of All Permanent Teeth, Including The Upper Canines, In A Nine-Year-Old Child Who Was Born Prematurely; Case Report, Bassam Ali Al-Turaihi, Israa Hussein Ali
Early Eruption Of All Permanent Teeth, Including The Upper Canines, In A Nine-Year-Old Child Who Was Born Prematurely; Case Report, Bassam Ali Al-Turaihi, Israa Hussein Ali
Maaen Journal for Medical Sciences
The world health organization (WHO) define the premature birth as a birth occur before 37 weeks of gestation or if the birth weight is below 2500 g. Our case subjected for both criteria of the preterm definition. ((1)) ((2)) The case was born before 31st week with 1300 g birth weight with stormy beginning of life in the first three months in the hospital according to the history taken from general practitioner (GP) for that reason their parents tack care about his general health and specifically oral health and development. Throughout his life he developed healthy with no medical problem. …
The Influence Of Cbct-Derived 3d-Printed Models On Endodontic Microsurgical Treatment Planning And Confidence Of The Operator, Shreyas Oza, Johnah C. Galicia
The Influence Of Cbct-Derived 3d-Printed Models On Endodontic Microsurgical Treatment Planning And Confidence Of The Operator, Shreyas Oza, Johnah C. Galicia
Orthodontics and Endodontics Theses
Aims Use of 3D printed models in Endodontics has been gaining popularity since the technology to create them became more affordable. Currently, there are no studies that evaluate the influence of 3D models on endodontic surgical treatment planning and on operator confidence. Therefore, aims of this study were to: (i) Determine whether the availability of a 3D printed analogue can influence treatment-planning and operator confidence; and, (ii) Assess which factors of operator confidence are influenced, if any.
Materials and Methods Endodontists were asked to analyze a pre-selected CBCT scan of an endodontic surgical case and to answer a questionnaire that …
Effects Of Ectodermal Dysplasia On The Maxilla: A Study Of Cone-Beam Computed Tomography, Beyza Karadede Ünal
Effects Of Ectodermal Dysplasia On The Maxilla: A Study Of Cone-Beam Computed Tomography, Beyza Karadede Ünal
Makara Journal of Health Research
Background: This study aimed to examine the effects of ectodermal dysplasia (ED) on the transverse width of the maxillary bone.
Methods: The ED group was composed of seven people, while the control group consisted of retrospective cone-beam computed tomography images of seven individuals with skeletal class 1 relationship. Images on the sagittal planes were taken, and cross-sections were taken from the longest point of the Anterior Nasal Spine-Posterior Nasal Spine line. The distance between the distal anterior canine teeth from the right buccal cortical bone to the left buccal cortical bone was measured. At the posterior region, the …
Direct Composite Resin Restoration Of Anterior Maxillary Teeth And Esthetic Smile Design: A Case Report, Christina Widya Nugrohowati, Wignyo Hadriyanto, Tunjung Nugraheni
Direct Composite Resin Restoration Of Anterior Maxillary Teeth And Esthetic Smile Design: A Case Report, Christina Widya Nugrohowati, Wignyo Hadriyanto, Tunjung Nugraheni
Journal of Dentistry Indonesia
Dental esthetic complex involves more than one caries with malformed shape and malposition. Dental trauma most commonly affects maxillary anterior teeth, and subsequently affects the esthetics, functions, and psychological well-being of the individual. Composite resins have become an integral part of contemporary restorative and minimally invasive dentistry. Objective: To summarize the successful use of direct composite resin restoration in the management of a 29-year old male patient. Case Report: A 29-year old male patient presenting with multiple secondary caries and crown fractures in the anterior maxillary teeth, resulting in an unaesthetic smile. Comprehensive esthetic dental treatment was carried out. The …
Nanomaterials And Nanorobotics In Dentistry: A Review, Yelda Kasimoglu, Derya Tabakcilar, Zeynep A. Guclu, Seiko Yamamoto-Nemoto, Elif B. Tuna, Bugra Ozen, Tamer Tuzuner, Gökhan Ince
Nanomaterials And Nanorobotics In Dentistry: A Review, Yelda Kasimoglu, Derya Tabakcilar, Zeynep A. Guclu, Seiko Yamamoto-Nemoto, Elif B. Tuna, Bugra Ozen, Tamer Tuzuner, Gökhan Ince
Journal of Dentistry Indonesia
Nanotechnology is a branch of science focusing on the manipulation of materials measured on the nanoscale (size = 1–100 nm). Recent advances in the field of nanodentistry have resulted in the development of alternative treatment plans for common dental problems, bringing about a paradigm shift in dentistry. Nanorobots, also known as “nanites” or “nanomachines,” are theoretical microscopic devices that may be used for the diagnosis and treatment of oral health problems. This paper aims to discuss the latest innovations in the field of nanodentistry.
Health-Related Anxiety In The Management Of Oral Soreness In An Hivseropositive Patient, Masita Mandasari, Zulvia Oktanida Syarif, Febrina Rahmayanti
Health-Related Anxiety In The Management Of Oral Soreness In An Hivseropositive Patient, Masita Mandasari, Zulvia Oktanida Syarif, Febrina Rahmayanti
Journal of Dentistry Indonesia
The number of people living with HIV (PLHIV) has been increasing since the first known case in the early 1980s. However, PLHIV can also experience comorbidities, such as health anxiety. In the oral cavity, anxiety is often associated with the etiology of parafunctional habits. Anxiety can be measured using self-administered instruments, such as the Hospital Anxiety and Depression Scale (HADS) and Short-Health Anxiety Inventory (SHAI), which is specifically used in the medical setting. Objectives: We are describing a case of HIV positive patient with health anxiety who presented to the oral medicine clinic in our hospital with a complaint of …
An Investigation Of Surface Characteristics Of Enamel Treated With Infiltrative Resin: A Scanning Electron Microscopy Study, Danielle E. Easterly
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 …
Restoring Lateral Incisors And Orthodontic Treatment: Perceptions Among General Dentists And Othodontists, Matthew A. Sandretti, Bhavna Shroff, Steven J. Lindauer, Al M. Best
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.
Comparison Of Digital And Cbct Synthesized Lateral Cephalograms, Da Lee
Comparison Of Digital And Cbct Synthesized Lateral Cephalograms, Da Lee
Loma Linda University Electronic Theses, Dissertations & Projects
Purpose: The purpose of this study was to compare the precision of lateral cephalometric Ricketts analysis measurements from NewTom 5G CBCT (NewTom) synthesized lateral cephalograms with Sirona Orthophos XG Plus (Sirona) digital lateral cephalograms. Materials & Methods: A Sirona digital lateral cephalogram and a NewTom synthesized lateral cephalogram of a phantom in the orthogonal and perspective projections were created. Metal washers in each plane of the phantom were measured in the vertical and horizontal dimensions and compared across the different imaging modalities. In Group 1, forty patients were randomly selected from the Loma Linda University Graduate Orthodontic Clinic who had …
Periodontal Health Of Anterior Teeth With Two Types Of Fixed Retainers, Andrew I. Corbett
Periodontal Health Of Anterior Teeth With Two Types Of Fixed Retainers, Andrew I. Corbett
Loma Linda University Electronic Theses, Dissertations & Projects
Introduction: Fixed retainers for anterior teeth have become a popular method for maintaining the position and function of teeth after orthodontic treatment. Various retainer designs, wire sizes and types have been used over the years. One problem with fixed retainers is that they complicate oral hygiene and therefore might negatively affect the periodontal tissues if left in place for long periods of time. Purpose: The purpose of this study is to compare the periodontal health of maxillary and mandibular anterior teeth retained with two different types of fixed retainers. Methods: Male and female subjects who had been in continuous orthodontic …
Comparison Between Ceph Analysis On Lateral Cephs, Cbct Scans, And Mri Scans, Jeffrey W. Lam
Comparison Between Ceph Analysis On Lateral Cephs, Cbct Scans, And Mri Scans, Jeffrey W. Lam
Loma Linda University Electronic Theses, Dissertations & Projects
Introduction: Most current methods of obtaining images for orthodontic diagnosis and treatment planning involve the use of ionizing radiation. Given that patients often need records taken several times during treatment, an alternative should be found that does not involve ionizing radiation. Magnetic resonance imaging (MRI) exists as a possible alternative. Purpose: The purpose of this study is to compare cephalometric measurements obtained from lateral cephs, cone beam computed tomography (CBCT) scans, and MR scans. Methods: Lateral cephs, CBCTs, and MRIs were taken on 22 patients. 3 separate readers traced the images and the data was analyzed using Bland-Altman plots. Results: …
Photos And Silhouettes In Evaluating The Need For Bsso Surgery In Adult Females, Jessicah L. Moretz
Photos And Silhouettes In Evaluating The Need For Bsso Surgery In Adult Females, Jessicah L. Moretz
Loma Linda University Electronic Theses, Dissertations & Projects
Introduction: The objective of this study was to determine the anterior/posterior position of the mandible at which an orthodontist and oral surgeon would advise bilateral sagittal split osteotomy advancement or set back when evaluating adult female photos and silhouettes. Material & Methods: Fifty-one adult female profile photos and lateral cephalograms were collected. Subjects were selected who met three criteria: 1) ANB of 0-2, 2) balanced profile image, and 3) age greater than 18. The image and cephalometric tracing were morphed together to allow software simulation of mandibular prognathia and retrognathia in 2 mm increments. Orthodontists and oral surgeons evaluated morphed …
Effect Of Attending Doctor Changes On Orthodontic Treatment Times And Results, Emily Caskey Peppers
Effect Of Attending Doctor Changes On Orthodontic Treatment Times And Results, Emily Caskey Peppers
Loma Linda University Electronic Theses, Dissertations & Projects
Introduction: The objective of this study was to determine if there was any significant difference in treatment time or results due to varying levels of attending doctor coverage in the Loma Linda University (LLU) graduate orthodontics clinic. Methods and Materials: The main study group of 191 subjects was split into high, medium and low coverage groups by primary attending doctor coverage and then by original attending doctor coverage. Treatment times, treatment results, and other variables were evaluated for each of the groups. Treatment results were evaluated using UK Peer Assessment Rating (PAR) scores. A second study group (289 subjects) included …
Evaluation Of Apical, Coronal And Occlusal Form Diffrences With Conventional Orthodontic Treatment, Tamar Sardarian
Evaluation Of Apical, Coronal And Occlusal Form Diffrences With Conventional Orthodontic Treatment, Tamar Sardarian
Loma Linda University Electronic Theses, Dissertations & Projects
Introduction: Cone-beam computed tomography (CBCT) can be used to accurately identify dental landmarks in order to detect changes in dental arch forms. Purpose: The objective of this study was to determine how apical, coronal and occlusal arch forms change following orthodontic treatment with fixed appliances and to establish a base for future studies. Material and Methods: Maxillary and mandibular apical, coronal and occlusal landmarks of 27 subjects were selected on their respective CBCT images at two time points: pre-orthodontic treatment (T1) and post-orthodontic treatment (T2). Comparisons were made between the two time points to evaluate how each arch form changed …
Dental And Buccal Bone Stability After Rapid Maxillary Expansion And Fixed Orthodontic Treatment, Allison Milliner
Dental And Buccal Bone Stability After Rapid Maxillary Expansion And Fixed Orthodontic Treatment, Allison Milliner
Loma Linda University Electronic Theses, Dissertations & Projects
The objective of this study was to quantitatively evaluate, via CBCT, the dental and osseous effects of patients who had completed comprehensive orthodontic treatment with rapid maxillary expansion (RME) in conjunction with Ricketts prescription brackets. Thirty consecutive patients (16 males, 14 females; mean age = 13.9  1.9 years) who required RME as part of their orthodontic treatment and had pre-RME (T1), post-RME (T2) and final orthodontic (T3) CBCT images were included in the study. Thirteen patients had 2-banded, while 17 had 4-banded appliances. Measurements of interdental distance (ID), interdental angle (IA), buccal bone thickness (BBT) and buccal marginal bone …
Effectiveness Of Resin Infiltration And Mi Paste Cpp-Acp In Masking White Spot Lesions, Melissa Wu Bailey
Effectiveness Of Resin Infiltration And Mi Paste Cpp-Acp In Masking White Spot Lesions, Melissa Wu Bailey
Loma Linda University Electronic Theses, Dissertations & Projects
The development of decalcification around orthodontic brackets and bands, commonly called white spot lesions (WSLs), is often observed in patients with poor oral hygiene during treatment (Behnan et al., 2010, Rodgers et al., 2010). In many instances, these WSLs continue to be visible after the removal of fixed appliances and after natural remineralization. The purpose of this in vitro study was to compare the effectiveness of two treatment modalities, resin infiltration (RI) and Casein Phosphopeptide Amorphous Calcium Phosphate (CPP-ACP), at improving the light reflectivity and thus the appearance of WSLs using spectrophotometric analysis. Sixty extracted human third molars were partially …
Accuracy Of Ortho Insight 3d Digital Scanner In Mesial-Distal Tooth Measurements, Andrew A. Ferris
Accuracy Of Ortho Insight 3d Digital Scanner In Mesial-Distal Tooth Measurements, Andrew A. Ferris
Loma Linda University Electronic Theses, Dissertations & Projects
Introduction: Digital scanners and software may be used to measure mesial-distal (MD) tooth width for orthodontic diagnosis and treatment planning. Although there have been many studies performed on different digital scanners, accuracy of mesial-distal tooth measurements using the Ortho Insight 3D scanner and its software (Motionview Software LLC) has not been reported. Purpose: The objective of this study was to determine if the MD tooth measurements from the digital models scanned by Ortho Insight 3D are accurate compared to the measurements taken directly from the teeth and models with a digital caliper. Material and Methods: Individual MD tooth measurements were …
Influence Of Outdoor Air Quality On Maxillofacial Growth And Development, Ryan Rudd
Influence Of Outdoor Air Quality On Maxillofacial Growth And Development, Ryan Rudd
Loma Linda University Electronic Theses, Dissertations & Projects
Introduction: Mild to moderate deviations from normal facial types can significantly change orthodontic treatment modalities. Studies linking ambient air pollution with respiratory problems, as well as craniofacial morphology with respiratory problems are well established.1-19 In this study we aimed to determine if there was a correlation between ambient air pollution and maxillofacial growth and development. We also wanted to determine if further research should be done in this area, and if so how can the study be improved. Materials and Methods: We selected Santa Maria, CA and Upland, CA as sample areas due to their significant differences in air quality. …
Mechanical Evaluation Of Mandibular Defects Restored With Rhbmp-2: A Finite Element Model, Jelson Yalung
Mechanical Evaluation Of Mandibular Defects Restored With Rhbmp-2: A Finite Element Model, Jelson Yalung
Loma Linda University Electronic Theses, Dissertations & Projects
Introduction: The utilization of recombinant human Bone Morphogenetic Protein-2 (rh- BMP2) to form new bone has been shown to be a promising alternative to autogenous bone grafts. Understanding the biomechanical properties of rhBMP-2 restored mandibular defects would provide useful knowledge in the future success of orthopedic and dental treatment in patients who have had restoration of mandibular defects with rhBMP-2. The aim of the study was to evaluate and compare the biomechanical characteristics of rhBMP-2 regenerated bone in mandibular defects using 2 different concentrations of rhBMP-2 with a given carrier in non-human primates Material and Methods: Critical-sized defects (approximately 2.5 …
Accuracy Of Unsegmented Cbct In Mesial-Distal Tooth Measurements, Todd Wesslen
Accuracy Of Unsegmented Cbct In Mesial-Distal Tooth Measurements, Todd Wesslen
Loma Linda University Electronic Theses, Dissertations & Projects
Introduction: Cone-beam computed tomography (CBCT) scans may be used to measure mesial-distal (MD) tooth width for orthodontic diagnosis and treatment planning. Purpose: The objective of this study was to determine if MD tooth measurements from unsegemented CBCT scans in the axial, sagittal, and coronal planes or from a panoramic reconstruction correlate and agree with respective measurements made on study models. Material and Methods: Using stone models of 30 subjects, reference MD tooth measurements were made using digital calipers. From CBCT scans, five different methods of measuring MD width were used and compared to the reference: (1) points chosen from orthogonal …
Profile Attractiveness In Borderline Class Iii Surgical/Orthodontic Cases, Melina Adamian
Profile Attractiveness In Borderline Class Iii Surgical/Orthodontic Cases, Melina Adamian
Loma Linda University Electronic Theses, Dissertations & Projects
Introduction: This study evaluated differences between laypersons and orthodontists in rating facial attractiveness in borderline class III surgical/orthodontic cases. The purpose was to determine whether orthognathic surgery or camouflage is a better alternative for observable esthetic improvement in borderline Class III surgical/orthodontic patients. This study will aid the orthodontist in recommending treatment options to enhance profile attractiveness of borderline Class III surgical/orthodontic patients. Materials and Methods: Thirty profile images of treated borderline class III surgical/orthodontic cases were selected. Fifteen of the profile images were of cases that had been treated by orthodontics alone, and fifteen images were of cases that …
Cone-Beam Computed Tomography And Orthodontics: Awareness Assessment, Warren D. Libby
Cone-Beam Computed Tomography And Orthodontics: Awareness Assessment, Warren D. Libby
Loma Linda University Electronic Theses, Dissertations & Projects
Introduction: The purpose of this study was to evaluate a specific orthodontic community's knowledge and understanding of Cone-Beam Computed Tomography (CBCT) technology as well as awareness of the implications of CBCT use, including risk assessment, radiation dose estimation, diagnostic utility, and issues of informed consent. It is incumbent on the profession to understand how practitioners view this technology as it gains popularity and ease of use. Materials and Methods: A 21-question survey with 13 additional demographic questions was distributed to several different populations affiliated with Loma Linda University School of Dentistry: 1) undergraduate dental students, 2) students in specialty programs …
Sleeping Tongue Posture And Its Relationship To Craniofacial Morphology, Brent J. Tingey
Sleeping Tongue Posture And Its Relationship To Craniofacial Morphology, Brent J. Tingey
Loma Linda University Electronic Theses, Dissertations & Projects
Introduction: There exists good consensus in the literature supporting the notion that resting tongue posture is an important factor in dental arch development and maintenance as well as airway control. What has yet to be quantitatively measured is the duration of time that a subconscious, resting tongue posture is maintained and whether such posture differs among various craniofacial morphologies. Quantifiable measurements might allow for prediction of tongue-posture-related problems specific to certain facial types. Purpose: The objective of this study was to record sleeping tongue posture over time in 27 subjects and to compare findings with craniofacial morphology determined by cephalometric …
Effects Of Orthodontic Treatment On Social Perceptions, Sherry A. Caraveo
Effects Of Orthodontic Treatment On Social Perceptions, Sherry A. Caraveo
Loma Linda University Electronic Theses, Dissertations & Projects
Introduction: The purpose of this study was to record first impressions elicited by photographs of orthodontic patients before and after treatment to test the hypothesis that after treatment patients will elicit a more positive first impression.
Methods and Materials: Before (Tl) and After (T2) photographs of six orthodontic patients equally divided by gender and standardized for background facial attractiveness were selected. Three different malocclusions were represented: 1) Class 1 crowded, 2) Class 11 div 1, and 3) Class 111. 108 college students rated each photographed patient on three attributes: physical attractiveness, intelligence and social desirability. Participants recorded their responses on …
Cephalometric Analysis Using Magnetic Resonance Imaging, Wade A. Williams
Cephalometric Analysis Using Magnetic Resonance Imaging, Wade A. Williams
Loma Linda University Electronic Theses, Dissertations & Projects
Purpose: The purpose of this study was to determine if T1-weighted 3D magnetic resonance images performed at 3.0 Tesla could be used to conduct routine orthodontic cephalometric analysis.
Methods: Three cranial imaging methods were compared using sixteen non-growing subjects (10 male and 6 female) who were not claustrophobic, did not have any metallic restorations on the distal of first molars, had no medical implants and the female subjects were not pregnant. Sagittal cranial images were produced by three methods: (1) a digital lateral cephalometric (LC) radiograph (Orthophos XG Plus, SironaTM, Bensheim, Germany), (2) a 12-inch FOV cone beam …