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https://www.readbyqxmd.com/read/28318312/evidence-favoring-a-secular-reduction-in-mandibular-leeway-space
#1
Tyler R Allen, Terry M Trojan, Edward F Harris
OBJECTIVE: Researchers have documented secular trends in tooth size among recent generations. This study was a test for a change in mandibular leeway space. MATERIALS AND METHODS: Dental casts from participants in the Denver Growth Study (23 boys, 22 girls; born in the 1930s) were compared with casts from a contemporary series of orthodontic patients (23 boys, 22 girls; born in the 1990s). All were phenotypically normal, healthy American whites. RESULTS: Analysis of variance (accounting for sex) showed that the cumulative mandibular primary canine plus first and second primary molar size (c + m1 + m2) was slightly larger in the recent cohort (23...
March 20, 2017: Angle Orthodontist
https://www.readbyqxmd.com/read/28318162/-inclination-of-crown-and-tooth-longitudinal-axis-in-cephalometric-analysis-of-normal-occlusions
#2
Liu Xu, Ren Jing, Yang Xianrui, Wang Li
OBJECTIVE: We measured and analyzed the angle between the longitudinal axis of incisor crown and tooth to provide a reference for orthodontists for selecting orthodontic methods and evaluating treatment results. METHODS: A total of 120 participants were included according to the criteria of Andrews' six keys, and cephalometric radiograph under the instructions of modified natural head position acquirement method was performed. The angles of maxillary incisor crown longitudinal axis, tooth longitudinal axis, occlusion plane (OP), and true vertical (TV) plane were measured, as well as mandibular incisors...
December 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28317085/perception-of-smile-esthetics-by-laypeople-of-different-ages
#3
Chompunuch Sriphadungporn, Niramol Chamnannidiadha
BACKGROUND: Age is a factor affecting smile esthetics. Three variables of smile esthetics associated with the maxillary anterior teeth and age-related changes have recently received considerable attention: (i) the incisal edge position of the maxillary central incisors, (ii) the maxillary gingival display, and (iii) the presence of a black triangle between the maxillary central incisors. The aim of this study was to evaluate the influence of age on smile esthetic perception based on these three variables in a group of Thai laypeople...
December 2017: Progress in Orthodontics
https://www.readbyqxmd.com/read/28299350/orthodontic-management-in-aggressive-periodontitis
#4
REVIEW
Rajesh Gyawali, Bhagabat Bhattarai
Aggressive periodontitis is a type of periodontitis with early onset and rapid progression and mostly affecting young adults who occupy a large percentage of orthodontic patients. The role of the orthodontist is important in screening the disease, making a provisional diagnosis, and referring it to a periodontist for immediate treatment. The orthodontist should be aware of the disease not only before starting the appliance therapy, but also during and after the active mechanotherapy. The orthodontic treatment plan, biomechanics, and appliance system may need to be modified to deal with the teeth having reduced periodontal support...
2017: International Scholarly Research Notices
https://www.readbyqxmd.com/read/28281605/morphological-simulation-of-different-incisal-embrasures-perception-of-laypersons-orthodontic-patients-general-dentists-and-orthodontists
#5
(no author information available yet)
Semi-rounded incisal embrasures were the most attractive.
March 10, 2017: British Dental Journal
https://www.readbyqxmd.com/read/28265473/treatment-of-class-iii-malocclusion-atypical-extraction-protocol
#6
Fernando Pedrin Carvalho Ferreira, Maiara da Silva Goulart, Renata Rodrigues de Almeida-Pedrin, Ana Claudia de Castro Ferreira Conti, Maurício de Almeida Cardoso
The treatment of Angle Class III malocclusion is rather challenging, because the patient's growth pattern determines the success of long-term treatment. Early diagnosis and treatment are still highly discussed issues in orthodontic literature. This type of early intervention has been indicated more frequently in order to eliminate primary etiological factors and prevent an already present malocclusion from becoming severe. However, when a patient is diagnosed in adulthood, manipulation of the bone bases becomes extremely limited, as there is no longer any potential for growth...
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/28261607/temporomandibular-joint-anatomy-assessed-by-cbct-images
#7
REVIEW
Silvia Caruso, Ennio Storti, Alessandro Nota, Shideh Ehsani, Roberto Gatto
Aim. Since cone beam computed tomography (CBCT) has been used for the study of craniofacial morphology, the attention of orthodontists has also focused on the mandibular condyle. The purpose of this brief review is to summarize the recent 3D CBCT images of mandibular condyle. Material and Methods. The eligibility criteria for the studies are (a) studies aimed at evaluating the anatomy of the temporomandibular joint; (b) studies performed with CBCT images; (c) studies on human subjects; (d) studies that were not clinical case-reports and clinical series; (e) studies reporting data on children, adolescents, or young adults (data from individuals with age ≤ 30 years)...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28258274/early-orthognathic-surgery-a-review
#8
Saleh Alwadei
Management of growing patients with severe developmental jaw abnormalities can be very difficult. Early surgical intervention may be warranted in situations where function (e.g., mastication, swallowing, breathing, or speech) and/or psychological well-being could be negatively affected. Many surgeons and orthodontists are reluctant to recommend a surgical treatment option for growing patients with severe developmental jaw abnormalities because of their age. Specific surgical procedures can be performed during growth to correct developmental jaw abnormalities with predictable results...
March 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28257740/perception-of-changes-in-soft-tissue-profile-after-herbst-appliance-treatment-of-class-ii-division-1-malocclusion
#9
Marcus Vinicius Neiva Nunes do Rego, Elizabeth Ferreira Martinez, Rogério Menezes Ibiapina Coelho, Leanne Matias Portela Leal, Guilherme Thiesen
INTRODUCTION: In this study, we sought to assess the perception of changes in soft-tissue profile after Herbst appliance treatment by comparing facial profile silhouettes before treatment, immediately after treatment, and 2 years after treatment, as examined by orthodontists, general dentists, and laypersons. METHODS: The sample comprised 21 patients (mean age, 9.5 ± 0.5 years), who were treated with the Herbst appliance for a mean period of 12 (±1.1) months...
March 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28257608/research-and-primary-evaluation-of-an-automatic-fusion-method-for-multi-source-tooth-crown-data
#10
Ning Dai, Dawei Li, Xu Yang, Cheng Cheng, Yuchun Sun
BACKGROUND: With the development of 3D scanning technologies in dentistry, high accuracy optical scanning data from the crown and cone beam computed tomography (CBCT) data from the root can be acquired easily. In many dental fields, especially in digital orthodontics, it is useful to fuse the data from the crown and the root. However, the manual fusion method is complex and difficult. A novel automatic fusion method for two-source data from the crown and the root was researched and its accuracy was evaluated in this study...
March 3, 2017: International Journal for Numerical Methods in Biomedical Engineering
https://www.readbyqxmd.com/read/28251522/assessing-oral-cancer-awareness-among-dentists
#11
Özge Kebabcıoğlu, Filiz Namdar Pekiner
The aim of this study was to assess oral cancer awareness among dentists who attended 101st FDI World Dental Congress, İstanbul, Turkey. Among 170 dentists who agreed to participate, there were 13 oral surgeons, 6 restorative dentists, 4 endodontists, 4 orthodontists, 6 periodontists, 5 pedodontists, and 14 prosthodontists. Knowledge of oral cancer risk factors and diagnosis procedures, dentists' attitude towards oral cancers, management practice regarding oral cancer, and oral cancer information sources were assessed using 25 questions...
March 1, 2017: Journal of Cancer Education: the Official Journal of the American Association for Cancer Education
https://www.readbyqxmd.com/read/28238524/development-of-a-database-to-record-orofacial-manifestations-in-patients-with-rare-diseases-a-status-report-from-the-romse-recording-of-orofacial-manifestations-in-people-with-rare-diseases-database
#12
M Hanisch, L Hanisch, K Benz, J Kleinheinz, J Jackowski
The aim of this working group was to establish a ROMSE (recording of orofacial manifestations in people with rare diseases) database to provide clinicians, patients, and their families with better information about these diseases. In 2011, we began to search the databases Orphanet, OMIM(®) (Online Mendelian Inheritance in Man(®)), and PubMed, for rare diseases with orofacial symptoms, and since 2013, the collected information has been incorporated into a web-based, freely accessible database. To date, 471 rare diseases with orofacial signs have been listed on ROMSE, and 10 main categories with 99 subcategories of signs such as different types of dental anomalies, changes in the oral mucosa, dysgnathia, and orofacial clefts, have been defined...
February 23, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/28218557/scandcleft-randomised-trials-of-primary-surgery-for-unilateral-cleft-lip-and-palate-7-occlusion-in-5-year-olds-according-to-the-huddart-and-bodenham-index
#13
Agneta Karsten, Agneta Marcusson, Kirsti Hurmerinta, Arja Heliövaara, Annelise Küseler, Pål Skaare, Haydn Bellardie, Elisabeth Rønning, William Shaw, Kirsten Mølsted, Paul Sæle, Eli Brinck, Sara Rizell, Midia Najal Chalier, Philip Eyres, Gunvor Semb
BACKGROUND AND AIM: Good dentofacial development and good occlusion are main goals in the treatment of UCLP. The aim was to evaluate dental occlusion at age 5 years with the Huddart and Bodenham index after four different protocols of primary surgery for UCLP. DESIGN: Three parallel randomised controlled trials were undertaken as an international multicentre study by 10 cleft teams in five countries: Denmark, Finland, Sweden, Norway, and the UK. METHODS: Three different surgical procedures for primary palatal repair (Arms B, C, and D) were tested against a common procedure (Arm A) in the total cohort of 448 children born with non-syndromic UCLP...
February 2017: Journal of Plastic Surgery and Hand Surgery
https://www.readbyqxmd.com/read/28209017/spec-rekindled-a-simple-torque-correction-mechanics-for-transposed-teeth-in-conjunction-with-pre-adjusted-edgewise-appliance-system
#14
Harpreet Singh, Raj Kumar Maurya, Surbhi Thakkar
Complete transposition of teeth is a rather rare phenomenon. After correction of transposed and malaligned lateral incisor and canine, attainment of appropriate individual antagonistic tooth torque is indispensable, which many orthodontists consider to be a herculean task. Here, a novel method is proposed which demonstrates the use of Spec reverse torquing auxillary as an effective adjunctive aid in conjunction with pre-adjusted edgewise brackets.
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28203027/-a-new-method-to-orthodontically-correct-dental-occlusal-plane-canting-wave-shaped-arch
#15
X Zheng, X X Hu, N Ma, X H Chen
OBJECTIVE: To introduce a technique of second order wave-shaped arch wire to orthodontically treat dental occlusal plane canting (DOPC) with left-right interactive anchorage, and to test its clinical efficacy. METHODS: Among the permanent dentition malocclusion patients who showed no obvious facial asymmetry, we screened for patients who showed anterior occlusal plane canting (AOPC) after routine orthodontic examination, treatment planning, MBT fixed appliance installation and serial arch wires alignment...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28197396/comparison-of-the-effect-of-labiolingual-inclination-and-anteroposterior-position-of-maxillary-incisors-on-esthetic-profile-in-three-different-facial-patterns
#16
Praveen Chirivella, Gowri Sankar Singaraju, Prasad Mandava, V Karunakar Reddy, Jeevan Kumar Neravati, Suja Ani George
OBJECTIVE: To test the null hypothesis that there is no effect of esthetic perception of smiling profile in three different facial types by a change in the maxillary incisor inclination and position. MATERIALS AND METHODS: A smiling profile photograph with Class I skeletal and dental pattern, normal profile were taken in each of the three facial types dolichofacial, mesofacial, and brachyfacial. Based on the original digital image, 15 smiling profiles in each of the facial types were created using the FACAD software by altering the labiolingual inclination and anteroposterior position of the maxillary incisors...
January 2017: Journal of Orthodontic Science
https://www.readbyqxmd.com/read/28174370/cephalometric-soft-tissue-standard-and-gender-dimorphism-in-nasal-prominence-estimated-by-holdaway-s-analysis-in-patients-visiting-college-of-dentistry-aljouf-university
#17
Ibadullah Kundi
INTRODUCTION: The objectives were to see the nasal prominence norm and the gender dimorphism in nasal prominence measured by Holdaway's soft tissue analysis. MATERIALS AND METHODS: The sample size was 100 (50 males and 50 females). The subjects included in the study were of Saudi origin with class I skeletal and dental relationship and all teeth present. The age group of the patients was between 18 and 28 years. The radiographs were traced and analyzed by two students and cross-checked by an orthodontist...
February 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28169254/influence-of-symmetric-and-asymmetric-alterations-of-maxillary-canine-gingival-margin-on-the-perception-of-smile-esthetics-among-orthodontists-dentists-and-laypersons
#18
Shashank Katiyar, Sumit Gandhi, Javed Sodawala, G Anita, Shaheen Hamdani, Suyog Jain
INTRODUCTION: Esthetics is one of the major concerns among people seeking orthodontic treatment, and its perception varies from person to person. Our objective was to determine the differences in the perception of smile esthetics among orthodontists, general dentists, and laypersons with respect to alteration in the maxillary canine gingival margin in close-up smile analyses. MATERIALS AND METHODS: Close-up photograph of an ideal Indian female smile was selected...
November 2016: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/28168819/the-society-for-craniofacial-genetics-and-developmental-biology-39th-annual-meeting
#19
Jennifer L Fish, Craig Albertson, Matthew P Harris, Scott Lozanoff, Ralph S Marcucio, Joan T Richtsmeier, Paul A Trainor
The Society for Craniofacial Genetics and Developmental Biology (SCGDB) aims to promote education, research, and communication, about normal and abnormal development of the tissues and organs of the head. Membership of the SCGDB is broad and diverse-including clinicians, orthodontists, scientists, and academics-but with all members sharing an interest in craniofacial biology. Each year, the SCGDB hosts a meeting where members can share their latest research, exchange ideas and resources, and build on or establish new collaborations...
February 7, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28155649/ceph-x-development-and-evaluation-of-2d-cephalometric-system
#20
Mogeeb Ahmed Ahmed Mosleh, Mohd Sapiyan Baba, Sorayya Malek, Rasheed A Almaktari
BACKGROUND: Cephalometric analysis and measurements of skull parameters using X-Ray images plays an important role in predicating and monitoring orthodontic treatment. Manual analysis and measurements of cephalometric is considered tedious, time consuming, and subjected to human errors. Several cephalometric systems have been developed to automate the cephalometric procedure; however, no clear insights have been reported about reliability, performance, and usability of those systems. This study utilizes some techniques to evaluate reliability, performance, and usability metric using SUS methods of the developed cephalometric system which has not been reported in previous studies...
December 22, 2016: BMC Bioinformatics
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