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Maria Eduarda Assad Duarte, Ricardo Martins Machado, Andrea Fonseca Jardim da Motta, José Nelson Mucha, Alexandre Trindade Motta
OBJECTIVE: This study aimed to evaluate how different forms of incisal embrasures influence the esthetic perception of the smile, the preferences of each group of evaluators, and the influence of gingival display. MATERIAL AND METHODS: Two photographs of a broad male and female smiles were digitally manipulated to remove imperfections and asymmetries. A second manipulation was performed on the four maxillary incisors, creating 3 different forms of incisal embrasures: rounded, semi-rounded and squared...
October 21, 2016: Journal of Esthetic and Restorative Dentistry
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October 21, 2016: British Dental Journal
Alejandro Iglesias-Linares, Lorri Ann Morford, James Kennedy Hartsfield
When orthodontic patients desire shorter treatment times with aesthetic results and long-term stability, it is important for the orthodontist to understand the potential limitations and problems that may arise during standard and/or technology-assisted accelerated treatment. Bone density plays an important role in facilitating orthodontic tooth movement (OTM), such that reductions in bone density can significantly increase movement velocity. Lifestyle, genetic background, environmental factors, and disease status all can influence a patients' overall health and bone density...
October 20, 2016: Current Osteoporosis Reports
Debraj Howlader, Dichen P Bhutia, U Vignesh, Divya Mehrotra
Facial asymmetry is one of the commonest facial anomalies, with reported incidence as high as 34%. Hemifacial microsomia (HFM) has an incidence of 1 in every 4000-5600 children and is one of the commonest causes of facial asymmetry. The standard treatment of HFM is orthognathic surgery by bilateral saggital split osteotomy (BSSO) or distraction osteogenesis (DO) of the mandible, both of which involve prolonged periods of occlusal adjustments by an orthodontist. Here, we present distraction of the mandible by means of a novel modified step osteotomy to correct the facial asymmetry in a case of hemifacial microsomia without disturbing the occlusion...
September 2016: Journal of Oral Biology and Craniofacial Research
Sandro Pelo, Gianmarco Saponaro, Giulio Gasparini, Paolo De Angelis, Andrea Spota, Umberto Garagiola, Enrico Foresta, Alessandro Moro
The introduction of "surgery first" has resulted in a new requirement to compare and resolve medical legal problems which previously did not exist in traditional orthognathic surgery. The first issue relates to the relationship between the doctor and the patient and, in particular, the need to create a new informed consent form for surgery first. The second problem that has arisen with the arrival of surgery first concerns the relationship between health workers, namely the surgeon, and the orthodontist. The authors of this article propose a new template for informed consent specifically created for surgery first and also a model for the new working relationship between surgeons and orthodontists which will facilitate and improve co-operation between them...
October 2016: Journal of Craniofacial Surgery
Osmar A Cuoghi, Francielle Topolski, Lorraine P de Faria, Marcos R de Mendonça
AIM: To evaluate the correlation between pain and tissue damage in response to orthodontic tooth movement (OTM), such as hyalinization and external apical root resorption (EARR). MATERIALS AND METHODS: The literature review was used as a methodological strategy, following the knowledge development process - constructivist (ProKnow-C). Study axes were defined and keywords that best represented each axis were selected. The terms were submitted to an adherence test and validation, resulting in 12 keyword combinations...
September 1, 2016: Journal of Contemporary Dental Practice
Marwan El Hélou, Adib Kassis, Robert Haddad, Joseph Ghoubril
INTRODUCTION: The aim of this study is to identify facial profile preferences among Lebanese orthodontists, general dentists and laypersons. MATERIALS AND METHODS: A lateral photograph of a young man and young woman with a class I skeletal relationship was used. Each photograph was manipulated, using Dolphin Imaging System(®), to produce six other photographs in which anteroposterior variations in the position of the maxilla and/or the mandible were made. A total of 120 participants were asked to rank the photographs of each gender from most to least attractive...
September 2016: L' Orthodontie Française
Isabelle Breton-Torres, Manon Serre, Patrick Jammet, Jacques Yachouh
INTRODUCTION: The temporomandibular joint is highly adaptive and masticatory apparatus disorders (MAD) can occur when its ability to adapt is overwhelmed. Occlusal etiologies were long pinpointed as the sole culprits. However, a consensus now exists which minimizes their involvement. It is recognized that the etiology of MAD is multifactorial, combining occlusal problems, parafunctions, postural anomalies, orofacial dyspraxia and stress. MATERIALS AND METHODS: In this article, the authors review the role of physiotherapy in managing these pathologies...
September 2016: L' Orthodontie Française
Jean-Michel Salagnac
INTRODUCTION: The mandible consists of different segments, each of which possess its own specific characteristics regarding emergence, ossification during growth and pathologies. Orthodontists need to be very familiar with these developmental anomalies if they are to avoid failure in their orthopedic or orthodontic treatments and in order to understand the reasons for the lack of success of "conventional" treatments. Each segment must develop correctly if the mandible is to achieve optimal development and occupy a normal position within the cranio-facial complex...
September 2016: L' Orthodontie Française
C Rooney, H Dhaliwal, T Hodge
Objective To assess the effect of the introduction of orthodontic therapists (OTs) on the quality of orthodontic treatment outcomes in two specialist orthodontic practices in the UK.Study design Retrospective cross sectional observational study.Setting Multi-centre evaluation at two specialist orthodontic practices in Yorkshire. Data collection was carried out during 2014.Materials and methods The treatment undertaken by three specialist orthodontic clinicians (A, B and C) was evaluated at two time points. The first time point (T1) was before the introduction of OTs when the specialist orthodontic clinicians were solo operators...
October 7, 2016: British Dental Journal
Lindsey E Bateman, Joanne M Collins, Susan J Cunningham
OBJECTIVE: To identify factors affecting work-life balance amongst male and female orthodontists in the UK. DESIGN: A qualitative interview-based study with a cross-sectional design. SUBJECTS: Specialist orthodontists working in specialist practice and the hospital service in the UK were selected by purposive sampling. METHODS: In-depth semi-structured interviews were conducted with 18 orthodontic specialists. Interview transcripts were analyzed using Framework Analysis...
October 4, 2016: Journal of Orthodontics
Renu Parmar, Vijay Reddy, Satheesh Kumar Reddy, Deepti Reddy
INTRODUCTION: A wide variety of factors affect the success of orthodontic miniscrews in clinical situations, including thickness of the soft tissues. Our objectives were to assess area-related and sex-related differences in the soft tissue thicknesses of the buccal attached gingiva of the maxilla and the mandible, and the palatal masticatory mucosa at common orthodontic miniscrew placement sites, and to prescribe a guideline for miniscrew selection for a predictable clinical outcome. METHODS: The sample consisted of 32 randomly selected adults in the age group of 20 to 25 years...
October 2016: American Journal of Orthodontics and Dentofacial Orthopedics
Simona Dianiskova, Chiara Calzolari, Marco Migliorati, Armando Silvestrini-Biavati, Gaetano Isola, Fabio Savoldi, Domenico Dalessandri, Corrado Paganelli
The use of elastics to close a diastema or correct tooth malpositions can create unintended consequences if not properly controlled. The American Association of Orthodontists recently issued a consumer alert, warning of "a substantial risk for irreparable damage" from a new trend called "do-it-yourself" orthodontics, consisting of patients autonomously using elastics to correct tooth position. The elastics can work their way below the gums and around the roots of the teeth, causing damage to the periodontium and even resulting in tooth loss...
September 16, 2016: World Journal of Clinical Cases
Zohreh Hedayati, Mehrdad Shomali
BACKGROUND: Nowadays, mini screws are used in orthodontic tooth movement to obtain maximum or absolute anchorage. They have gained popularity among orthodontists for en masse retraction of anterior teeth after first premolar extraction in maximum anchorage cases. The purpose of this study was to determine the type of anterior tooth movement during the time when force was applied from different mini screw placements to the anterior power arm with various heights. METHODS: A finite element method was used for modeling maxillary teeth and bone structure...
December 2016: Progress in Orthodontics
Natheer H Al-Rawi, Hiba El Khatib, Lin Rajoub, Mariem El-Sayed, Rawand Naji, Reem Youssef, Sausan Al Kawas
INTRODUCTION: Dentists are at a very high risk of developing work-related musculoskeletal pain. The present study aimed at studying the prevalence of musculoskeletal pain among different dental specialists in the United Arab Emirates (UAE), and correlating the region of pain with the type of clinical work done by the specialists. MATERIALS AND METHODS: A sample of more than 100 dentists was chosen randomly from different emirates in UAE. An interview questionnaire was administered regarding the number of years of experience and the presence, region, duration, and type of musculoskeletal pain they experienced...
2016: Journal of Contemporary Dental Practice
Ieva Kudirkaite, Kristina Lopatiene, Jurate Zubiene, Kristina Saldunaite
BACKGROUND: Many factors can influence oral health including oral hygiene measures, eating habits, attention from parents, education and the social situation. It is even harder to keep good oral health when orthodontic treatments are applied, because orthodontic treatments are usually undergone by children and adolescents who have fewer skills and pay less attention to their oral health; this may lead to bleeding on probing (BOP), a higher plaque index (PI), a higher gingival index (GI), and an increase in probing pocket depth (PPD)...
2016: Stomatologija
Claudia Lindner, Ching-Wei Wang, Cheng-Ta Huang, Chung-Hsing Li, Sheng-Wei Chang, Tim F Cootes
Cephalometric tracing is a standard analysis tool for orthodontic diagnosis and treatment planning. The aim of this study was to develop and validate a fully automatic landmark annotation (FALA) system for finding cephalometric landmarks in lateral cephalograms and its application to the classification of skeletal malformations. Digital cephalograms of 400 subjects (age range: 7-76 years) were available. All cephalograms had been manually traced by two experienced orthodontists with 19 cephalometric landmarks, and eight clinical parameters had been calculated for each subject...
2016: Scientific Reports
Narayan H Gandedkar, Chai Kiat Chng, Vincent Kok Leng Yeow
Thorough planning and execution is the key for successful treatment of dentofacial deformity involving surgical orthodontics. Presurgical planning (paper surgery and model surgery) are the most essential prerequisites of orthognathic surgery, and orthodontist is the one who carries out this procedure by evaluating diagnostic aids such as crucial clinical findings and radiographic assessments. However, literature pertaining to step-by-step orthognathic surgical guidelines is limited. Hence, this article makes an attempt to provide an insight and nuances involved in the planning and execution...
July 2016: Contemporary Clinical Dentistry
Karolina Kaczor-Urbanowicz, Małgorzata Zadurska, Ewa Czochrowska
A tooth normally erupts when half to three-quarters of its final root length has developed. Tooth impaction is usually diagnosed well after this period and is generally asymptomatic. It is principally for this reason that patients seek treatment later than optimal. Tooth impaction is a common problem in daily orthodontic practice and, in most cases, it is recognized by chance in a routine dental examination. Therefore, it is very important that dental practitioners are aware of this condition, since early detection and intervention may help to prevent many harmful complications...
May 2016: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
Leonardo T Camardella, Eduardo Kant C Rothier, Oswaldo V Vilella, Edwin M Ongkosuwito, Karel Hero Breuning
BACKGROUND: A plaster dental model is a patient's traditional three-dimensional (3D) record. If the dental crowns from a plaster model are separated and positioned in wax, this setup of the crowns can be used to simulate orthodontic treatment. The traditional way to make this dental setup requires significant time by the orthodontist and in the orthodontic lab. New developments in dentistry and orthodontics include the possibility of virtual setups. AIM: In this article, the differences between conventional setups with plaster models and virtual setups are discussed...
September 5, 2016: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
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