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Dental occlusion

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https://www.readbyqxmd.com/read/29790772/influence-of-occlusal-characteristics-food-intake-and-oral-hygiene-habits-on-dental-caries-in-adolescents-a-cross-sectional-study
#1
D Giugliano, F d'Apuzzo, A Majorana, G Campus, F Nucci, C Flores-Mir, L Perillo
AIM: Dental caries is one of the most common oral diseases affecting children. The complex multifactorial aetiology of caries involves host (saliva composition and tooth enamel characteristics), oral microflora and substrate (oral hygiene quality and dietary habits composition). Occlusal characteristics may be also a factor in dental caries development. The aim of this aepidemiologic study was to verify the association between DMFT (Decayed, Missed, Filled Teeth) index and occlusal characteristics, dietary habits, oral hygiene habits and parents' education level in a sample of 12-year-old schoolchildren from Southern Italy...
June 2018: European Journal of Paediatric Dentistry: Official Journal of European Academy of Paediatric Dentistry
https://www.readbyqxmd.com/read/29786573/analysis-of-electromyographic-indexes-of-temporal-and-masticatory-muscles-in-patients-with-distal-occlusion-complicated-by-dental-crowding
#2
Maryna I Dmytrenko
OBJECTIVE: Introduction: Rate of distal occlusion (up to 40%) and dental crowding (up to 65%) is the largest in the structure of orthodontic pathology. The aim of the study was to investigate bioelectrical activity of temporal and masticatory muscles and to set parameters of electromyographic indexes in patients with distal occlusion and dental crowding in permanent occlusion. PATIENTS AND METHODS: Materials and methods: Bioelectrical activity of temporal and masticatory muscles in 11 patients aged 16-24 years was determined before orthodontic treatment...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29782200/impact-of-pediatric-obstructive-sleep-apnea-on-the-development-of-class-ii-hyperdivergent-patients-receiving-orthodontic-treatment-a-pilot-study
#3
Tingting Zhao, Peter Ngan, Fang Hua, Jie Zheng, Shunquan Zhou, Man Zhang, Hui Xiong, Hong He
OBJECTIVES: To conduct a pilot study to determine if the presence of obstructive sleep apnea (OSA) influences the orthodontic treatment outcome of Class II hyperdivergent patients receiving comprehensive orthodontic treatment. MATERIALS AND METHODS: Patients between the ages of 12 and 14 who received orthodontic treatment at the Hospital of Stomatology, Wuhan University, China, were included in this study. Patients were divided into two groups: the OSA group and the control group, based on the outcome of pretreatment polysomnography findings and lateral cephalometric radiograph examination...
May 22, 2018: Angle Orthodontist
https://www.readbyqxmd.com/read/29779289/-orthodontic-intrusion-of-the-first-and-second-mandibular-molars-with-a-vacuum-formed-removable-appliance-a-case-report
#4
Qing Liu, Xin-Qi Huang, Dan Jiang, Hao-Jun Chi, Ling-Jie Wang, Wen-Tian Sun, Jun Liu
This case report focused on a patient with supraeruption of the first and second mandibular molars as a result of loss of the first and second maxillary molars for a long time. We adopted a combination of a vacuum-formed removable appliance and elastics to intrude the first and second mandibular molars by using a continuous, light force to acquire sufficient restoration space for maxillary molars. Thus, the dental-implant treatment was successful, and a good and stable occlusal relationship was established.
April 1, 2018: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/29770241/methods-for-quantitative-measurement-of-tooth-wear-using-the-area-and-volume-of-virtual-model-cusps
#5
Soo-Hyun Kim, Young-Seok Park, Min-Kyoung Kim, Sulhee Kim, Seung-Pyo Lee
Purpose: Clinicians must examine tooth wear to make a proper diagnosis. However, qualitative methods of measuring tooth wear have many disadvantages. Therefore, this study aimed to develop and evaluate quantitative parameters using the cusp area and volume of virtual dental models. Methods: The subjects of this study were the same virtual models that were used in our former study. The same age group classification and new tooth wear index (NTWI) scoring system were also reused...
April 2018: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/29766413/dental-plaque-disclosure-as-an-auxiliary-method-for-infants-oral-hygiene
#6
C A B Cardoso, N M Santos, M L C Fracasso, M G A Provenzano, T M Oliveira, D Rios
AIM: This was to evaluate the effectiveness of plaque disclosure as an auxiliary method for early childhoods' oral hygiene. METHODS: The study was performed with 20 mothers and their children (aged 6-36 months), members of a preventive programme, which two groups used one of two approaches: conventional oral hygiene/group I (tooth brushing) and plaque disclosure with subsequent oral hygiene/group II (tooth brushing with prior plaque disclosure). Ten mothers started the study in group I and the other 10 in group II, after one month interval they changed to be in the alternate group...
May 15, 2018: European Archives of Paediatric Dentistry: Official Journal of the European Academy of Paediatric Dentistry
https://www.readbyqxmd.com/read/29765569/bolton-discrepancy-in-an-iranian-population-and-its-relation-with-maxillary-lateral-incisors-size
#7
Shabnam Ajami, Hamidreza Fattahi, Mahsa Zare, Peyman Jenabi
Background: Bolton's two main ratios describing the proportional size of upper and lower teeth, could contribute to estimating the excess or deficiency of tooth size necessary to obtain an ideal occlusion. However, the mean Bolton values are not the same among different societies. Determining the prevalence of tooth size deviations from population-specific Bolton indices might help local orthodontists to have a more concise treatment plan. Objective: The study aimed to define the prevalence of clinically significant tooth size discrepancies (TSD) in an Iranian population and to evaluate the influence of lateral incisors' size on this discrepancy...
March 2018: Electronic Physician
https://www.readbyqxmd.com/read/29764428/palatal-dimensions-at-different-stages-of-dentition-in-5-to-18-year-old-iranian-children-and-adolescent-with-normal-occlusion
#8
Gholamreza Eslami Amirabadi, Amin Golshah, Sepideh Derakhshan, Shahla Khandan, Mahshid Saeidipour, Nafiseh Nikkerdar
BACKGROUND: This study was purposed to evaluate palatal width, height, and height index at various stages of dentition in Iranian children and adolescent with normal occlusion. METHODS: This cross-sectional study was conducted on a random sample of 237 children (45% male and 55% female, aged 5-18 years) with normal occlusion selected from kindergartens and elementary and high schools in Hamadan, Iran. The subjects were clinically examined and classified based on dentition to primary (21...
May 15, 2018: BMC Oral Health
https://www.readbyqxmd.com/read/29761827/factors-related-to-dissociation-between-objective-and-subjective-masticatory-function-in-japanese-community-dwelling-elderly-adults
#9
Murakami Masaharu, Yutaka Watanabe, Edahiro Ayako, Yuki Ohara, Obuchi Shuichi, Kawai Hisashi, Hunkyung Kim, Yoshinori Fujiwara, Ihara Kazushige, Murakami Masato, Hirohiko Hirano
OBJECTIVE: Clinicians' evaluations of older adults sometimes reveal inconsistencies between objective and subjective dental status. This study investigated which factors contribute both to good objective masticatory function (OMF) and the poor subjective masticatory function (SMF) that often becomes a clinical issue. METHODS: Study participants included 635 elderly community-dwelling Japanese adults who underwent a comprehensive geriatric health examination in 2012...
May 15, 2018: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/29761544/effect-of-dietary-counselling-with-prosthetic-restoration-on-fruit-and-vegetable-intake-in-partially-dentate-patients-a-prospective-study
#10
Gen Nabeshima, Kenji Fueki, Yuka Inamochi, Noriyuki Wakabayashi
The aim of this study was to investigate the effects of a counselling-based dietary intervention on nutritional status in partially dentate patients receiving removable partial dentures (RPDs). Thirty-eight patients [mean age (standard deviation): 73.2 (7.7) years] who were scheduled to receive RPDs at a dental hospital and were currently eating < 350 g of vegetables per day were included in the study. A dentist provided basic dietary counselling aimed at increasing dietary fruit and vegetable intake and improving dietary habits...
May 14, 2018: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/29754903/gigantism-precedes-filter-feeding-in-baleen-whale-evolution
#11
R Ewan Fordyce, Felix G Marx
Baleen whales (Mysticeti) are the largest animals on Earth, thanks to their ability to filter huge volumes of small prey from seawater. Mysticetes appeared during the Late Eocene, but evidence of their early evolution remains both sparse and controversial [1, 2], with several models competing to explain the origin of baleen-based bulk feeding [3-6]. Here, we describe a virtually complete skull of Llanocetus denticrenatus, the second-oldest (ca. 34 Ma) mysticete known. The new material represents the same individual as the type and only specimen, a fragmentary mandible...
May 4, 2018: Current Biology: CB
https://www.readbyqxmd.com/read/29754856/three-dimensional-dental-and-craniofacial-manifestations-in-patients-with-late-diagnosis-of-mucopolysaccharidosis-type-ii-report-of-2-cases
#12
Rafaela de Oliveira Torres, Andréa Vaz Braga Pintor, Fábio Ribeiro Guedes, Lucia Helena Soares Cevidanes, Liana Bastos Freitas-Fernandes, Antônio Carlos de Oliveira Ruellas, Ivete Pomarico Ribeiro de Souza
The objective of this study was to report the clinical evaluation results and 3-dimensional (3-D) dental and craniofacial characteristics observed in 2 male patients with mucopolysaccharidosis type II. The patients were evaluated clinically (soft tissue evaluation, evaluation of occlusion, periodontal and dental examinations) and by using craniofacial computed tomography, with evaluation of 3-D images in ITK-Snap v. 2.2 (Penn Image Computing and Science Laboratory, Philadelphia, PA; http://www.itksnap.org/) and 3-D Slicer (http://www...
April 16, 2018: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/29753777/surgically-assisted-rapid-palatal-expansion-in-class-iii-malocclusion-our-experience
#13
A Barrabé, C Meyer, H Bonomi, Weber Elise, N Sigaux, A Louvrier
INTRODUCTION: Maxillary transverse deficiency (MTD) is a common facial disharmony that may need surgical assisted rapid palatal expansion (SARPE). The aim of this study was to present our SARPE technique and to report about our experience. MATERIEL AND METHOD: Medical records of all class III patients who underwent SARPE in our department from 2010 to 2015 and for whom a follow-up of at least 1 year was available, were included in a retrospective study. The technic consisted, after short orthodontic preparation allowing for divergence of the upper central incisors, in a complete Le Fort I osteotomy without down fracture, and medial sagittal submucosal separation of the hard palate under general anesthesia in an inpatient procedure...
May 10, 2018: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29744210/a-strain-gauge-analysis-comparing-4-unit-veneered-zirconium-dioxide-implant-borne-fixed-dental-prosthesis-on-engaging-and-non-engaging-abutments-before-and-after-torque-application
#14
Alyssa Epprecht, Marco Zeltner, Goran Benic, Mutlu Özcan
This study quantified the strain development after inserting implant-borne fixed dental prosthesis (FDP) to various implant-abutment joints. Two bone-level implants (∅ = 4.1 mm, RC, SLA 10 mm, Ti, Straumann) were inserted in polyurethane models (N = 3) in the area of tooth nos 44 and 47. Four-unit veneered zirconium dioxide FDPs (n = 2) were fabricated, one of which was fixed on engaging (E; RC Variobase, ∅ = 4.5 mm, H = 3.5 mm) and the other on non-engaging (NE) abutments (RC Variobase, ∅ = 4...
February 2018: Clinical and Experimental Dental Research
https://www.readbyqxmd.com/read/29738636/executive-function-as-a-risk-factor-for-incisor-trauma
#15
Jillian M Nyquist, Ceib Phillips, Margot Stein, Lorne D Koroluk
BACKGROUND/AIM: Executive function is the ability to guide behavior to achieve goals or complete tasks. This study explored the relationship between executive function, as assessed by the Behavior Rating Inventory of Executive Function Parent Form Questionnaire (BRIEF® ) and incisor trauma. MATERIAL AND METHODS: This study included children in the mixed dentition with recent incisor trauma (n=28) and a control group (n=30) without recent incisor trauma. Subjects' parents completed the BRIEF® , while a clinical examination assessed subjects' occlusal relationships...
May 8, 2018: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/29733536/paget-s-disease-of-jaw-bones-as-primary-manifestation-a-case-report-of-a-proper-diagnosis-made-by-general-dentist
#16
Martin G Campolongo, Marco Cabras, Luca Bava, Paolo G Arduino, Mario Carbone
OBJECTIVE: To present a case of early diagnosis mandibular Paget's disease of bone (PDB), recognised by a general dentist. BACKGROUND: PDB is responsible of rapid bone resorption and disorganised bone formation. MATERIALS AND METHODS: The patient was a 72-year-old female patient complaining of dental malposition and blatant prognathism. CONCLUSION: Clinicians should consider PDB in differential diagnosis for an elderly patient undergoing unexplained alteration in face profile and occlusion...
June 2018: Gerodontology
https://www.readbyqxmd.com/read/29732299/three-dimensional-morphological-evaluation-of-the-hard-palate-in-korean-adults-with-mild-to-moderate-obstructive-sleep-apnea
#17
Chen Yu, Hyo-Won Ahn, Seong-Hun Kim
Objective: The purpose of this study was to evaluate differences in three-dimensional (3D) morphology of the hard palate between Korean adults with and without mild-to-moderate obstructive sleep apnea (OSA) using cone-beam computed tomographic (CBCT) data. Methods: The protocol for the two-dimensional (2D) and 3D mathematical modeling was established by analyzing CBCT images of 30 adults with OSA and 30 matched controls without OSA, using MIMICS software. The linear and angular measurements were also determined using this software...
May 2018: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/29728555/prosthetic-rehabilitation-using-a-telescopic-crown-constructed-with-computer-assisted-design-and-computer-assisted-manufacturing-a-case-report-with-a-2-year-follow-up
#18
Nasser M Al Ahmari
Aim and background: This case report describes a 74-year-old female patient whose teeth were rehabilitated using telescopic crowns (TCs) on abutments and fixed dental prostheses (FDPs) in the maxillary arch with the aid of computer-assisted design and computer-assisted manufacturing (CAD/CAM) technology. The mandibular arch was restored using casted removable dental prostheses (RDPs) and surveyed crowns. Case report: The treatment sequences were followed as recommended in the dental literature. First, existing defective restorations were eliminated, caries was removed, and excellent mouth preparation was performed...
April 1, 2018: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/29724558/marginal-and-internal-fit-of-pre-sintered-co-cr-and-zirconia-3-unit-fixed-dental-prostheses-as-measured-using-microcomputed-tomography
#19
Elie E Daou, Hani Ounsi, Mutlu Özcan, Nadin Al-Haj Husain, Ziad Salameh
STATEMENT OF PROBLEM: Limited information is available on the precision of new metal processing technologies. PURPOSE: The purpose of this in vitro study was to evaluate the marginal and internal fit of pre-sintered cobalt-chromium (Co-Cr) and zirconia 3-unit fixed dental prostheses using x-ray microcomputed tomography. MATERIAL AND METHODS: Three-unit fixed dental prostheses were prepared on metal dies (N=12) using a typodont model from the maxillary first premolar to the first molar...
April 30, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/29717991/survival-to-amputation-in-pre-antibiotic-era-a-case-study-from-a-longobard-necropolis-6th-8th-centuries-ad
#20
Ileana Micarelli, Robert Paine, Caterina Giostra, Mary Anne Tafuri, Antonio Profico, Marco Boggioni, Fabio Di Vincenzo, Danilo Massani, Andrea Papini, Giorgio Manzi
The Longobard necropolis of Povegliano Veronese dates from the 6th to the 8th centuries AD. Among the 164 tombs excavated, the skeleton of an older male shows a well-healed amputated right forearm. The orientation of the forearm fracture suggests an angled cut by a single blow. Reasons why a forearm might be amputated include combat, medical intervention, and judicial punishment. As with other amputation cases reported in literature, this one exhibits both healing and osteoblastic response. We argue that the forelimb stump morphology suggests the use of a prosthesis...
April 10, 2018: Journal of Anthropological Sciences, Rivista di Antropologia: JASS
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