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Dental occlusion

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https://www.readbyqxmd.com/read/29333100/assessment-of-the-temporomandibular-joint-function-in-young-adults-without-complaints-from-the-masticatory-system
#1
Wojciech Kondrat, Teresa Sierpińska, John Radke
Objective of the study was to evaluate the clinical status of the masticatory system in young adults with full permanent dentition and no stomatognathic system complaints. The study involved 186 randomly selected people with full dental arches with normal occlusal conditions corresponding to Angle's Class I aged 18 - 21 years with an average age of 19 years. Subjects were clinically examined and temporomandibular joint (TMJ) vibrations were recorded during open-wide and close movements using BioJVA. Then, patients were categorized into groups according to Piper's classification system...
2018: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/29316570/the-randomized-shortened-dental-arch-study-tooth-loss-over-10-years
#2
Michael H Walter, Jens Dreyhaupt, Wolfgang Hannak, Stefan Wolfart, Ralph G Luthardt, Helmut Stark, Peter Pospiech, Torsten Mundt, Matthias Kern, Klaus Walter Böning, Bernd Wöstmann, Herbert Scheller, Florentine Jahn, Wilfried Reinhardt, Joerg Strub, Birgit Marré, Guido Heydecke
PURPOSE: This study aimed to compare the long-term outcomes of two different nonimplant treatments in the bilateral shortened dental arch (SDA). MATERIALS AND METHODS: In a multicenter randomized controlled clinical trial, patients with complete molar loss in one arch were assigned to one of two different nonimplant treatments. In the partial removable dental prosthesis (PRDP) group, patients were provided with a distal-extension prosthesis retained with precision attachments...
January 2018: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/29314189/bite-or-brain-implication-of-sensorimotor-regulation-and-neuroplasticity-in-oral-rehabilitation-procedures
#3
REVIEW
Abhishek Kumar, Mohit Kothari, Anastasios Grigoriadis, Mats Trulsson, Peter Svensson
Tooth loss, decreased mass and strength of the masticatory muscles leading to difficulty in chewing have been suggested as important determinants of eating and nutrition in the elderly. To compensate for the loss of teeth, in particular, a majority of the elderly rely on dental prosthesis for chewing. Chewing function is indeed an important aspect of oral health and therefore, oral rehabilitation procedures should aim to restore or maintain adequate function. However, even if the possibilities to anatomically restore lost teeth and occlusion have never been better; conventional rehabilitation procedures may still fail to optimally restore oral functions...
January 3, 2018: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/29308993/the-role-of-occlusion-in-temporomandibular-disorders-tmd-in-the-northern-finland-birth-cohort-nfbc-1966
#4
Päivi Jussila, Laura Krooks, Ritva Näpänkangas, Jari Päkkilä, Raija Lähdesmäki, Pertti Pirttiniemi, Aune Raustia
Objective To investigate the role of occlusion in temporomandibular disorders (TMDs) in the Northern Finland Birth Cohort 1966 (NFBC 1966). Methods Subjects (n = 1962) participated in clinical medical and dental examinations. The association between TMD signs and diagnoses with occlusal disturbances, i.e. malocclusions and occlusal interferences, was examined. Pearson's chi-square test, as expressed by odds ratios (OR) and 95% confidence intervals (CI) and logistic regression models, were used in the analysis...
January 8, 2018: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/29302293/orthodontics-and-veneers-to-restore-the-anterior-guidance-a-minimally-invasive-approach
#5
Vicente Faus-Matoses, Ignacio Faus-Matoses, Ana Jorques-Zafrilla, Vicente J Faus-Llácer
Tooth wear is defined as the progressive loss of a tooth's surface due to actions other than those which cause tooth decay or dental trauma. It is a pathological condition with an increasing prevalence among young people. The aim of this article is to describe an alternative treatment modality to rehabilitate the anterior guidance by a minimally invasive interdisciplinary ortho-restorative treatment. Two patients came to the dental clinic for restorative treatment in order to rehabilitate the worn anterior dentition...
November 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29301527/calibration-of-dentists-for-caries-management-by-risk-assessment-research-in-a-practice-based-research-network-cambra-pbrn
#6
Peter Rechmann, Bonnie Jue, William Santo, Beate M T Rechmann, John D B Featherstone
BACKGROUND: To prove that Caries Management by Risk Assessment (CAMBRA) can be successfully implemented in dental practices outside of the university setting, dentists in the San Francisco Bay Area (CA) were approached to participate in a Practice Based Research Network (PBRN) study. The overall goal of the CAMBRA-PBRN study was to recruit 30 dentists to perform a two-year study involving approximately 900 patients. Goal of the calibration study was to standardize and calibrate dentists potentially participating in the CAMBRA-PBRN study...
January 4, 2018: BMC Oral Health
https://www.readbyqxmd.com/read/29301317/correction-of-malocclusion-by-botulinum-neurotoxin-injection-into-masticatory-muscles
#7
REVIEW
Hyun Seok, Seong-Gon Kim
Botulinum toxin (BTX) is a neurotoxin, and its injection in masticatory muscles induces muscle weakness and paralysis. This paralytic effect of BTX induces growth retardation of the maxillofacial bones, changes in dental eruption and occlusion state, and facial asymmetry. Using masticatory muscle paralysis and its effect via BTX, BTX can be used for the correction of malocclusion after orthognathic surgery and mandible fracture. The paralysis of specific masticatory muscles by BTX injection reduces the tensional force to the mandible and prevents relapse and changes in dental occlusion...
January 2, 2018: Toxins
https://www.readbyqxmd.com/read/29289728/associations-of-types-of-pain-with-crack-level-tooth-level-and-patient-level-characteristics-in-posterior-teeth-with-visible-cracks-findings-from-the-national-dental-practice-based-research-network
#8
Thomas J Hilton, Ellen Funkhouser, Jack L Ferracane, Valeria V Gordan, Kevin D Huff, Julie Barna, Rahma Mungia, Timothy Marker, Gregg H Gilbert
OBJECTIVES: The objective of this study was to determine which patient traits, behaviors, external tooth and/or crack characteristics correlate with the types of symptoms that teeth with visible cracks exhibit, namely pain on biting, pain due to cold stimuli, or spontaneous pain. METHODS: Dentists in the National Dental Practice-Based Research Network enrolled a convenience sample of subjects each of whom had a single, vital posterior tooth with at least one observable external crack (cracked teeth); 2,858 cracked teeth from 209 practitioners were enrolled...
December 28, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/29287646/craniofacial-morphology-in-women-with-class-i-occlusion-and-severe-maxillary-anterior-crowding
#9
Misa Ikoma, Kazuhito Arai
INTRODUCTION: Our objective was to investigate craniofacial morphology in women with Class I occlusion and maxillary anterior crowding (MxAC) with bilateral palatal displacement of the lateral incisors and facial displacement of the canines. METHODS: Thirty-three women with normal occlusion (mean age, 20.7 ± 2.3 years) were selected as the control group, and 33 women with severe MxAC (mean age, 23.3 ± 3.8 years) with bilateral palatal and facial displacement of the lateral incisors and canines, respectively, were selected as the MxAC group...
January 2018: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/29287640/precision-and-trueness-of-dental-models-manufactured-with-different-3-dimensional-printing-techniques
#10
Soo-Yeon Kim, Yoo-Seok Shin, Hwi-Dong Jung, Chung-Ju Hwang, Hyoung-Seon Baik, Jung-Yul Cha
INTRODUCTION: In this study, we assessed the precision and trueness of dental models printed with 3-dimensional (3D) printers via different printing techniques. METHODS: Digital reference models were printed 5 times using stereolithography apparatus (SLA), digital light processing (DLP), fused filament fabrication (FFF), and the PolyJet technique. The 3D printed models were scanned and evaluated for tooth, arch, and occlusion measurements. Precision and trueness were analyzed with root mean squares (RMS) for the differences in each measurement...
January 2018: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/29287639/a-patient-with-mandibular-deviation-and-3-mandibular-incisors-treated-with-asymmetrically-bent-improved-superelastic-nickel-titanium-alloy-wires
#11
Yuhei Ikeda, Satoshi Kokai, Takashi Ono
Skeletal and dental discrepancies cause asymmetric malocclusions in orthodontic patients. It is difficult to achieve adequate functional occlusion and guidance in patients with congenital absence of a mandibular incisor due to the tooth-size discrepancy. Here, we describe the orthodontic treatment of a 22-year-old woman with an asymmetric Angle Class II malocclusion, mandibular deviation to the left, and 3 mandibular incisors. The anterior teeth and maxillary canines were crowded. We used an improved superelastic nickel-titanium alloy wire (Tomy International, Tokyo, Japan) to compensate for the asymmetric mandibular arch and an asymmetrically bent archwire to move the maxillary molars distally...
January 2018: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/29285470/oral-health-status-among-children-with-cerebral-palsy-in-dubai-united-arab-emirates
#12
Haifa Al Hashmi, Mawlood Kowash, Amar Hassan, Manal Al Halabi
Objectives: The purpose of this study was to assess the oral health status of children with cerebral palsy (CP) in Dubai, United Arab Emirates (UAE). Materials and Methods: Eighty-four CP and 125 healthy children were recruited from special needs centers and private/public schools in Dubai. A dental examination for decayed-missing-filled teeth in primary dentition (dmft)/Decayed-Missing-Filled teeth in permanent dentition (DMFT) indices, simplified oral hygiene index, calculus index (CI), and oral debris index was conducted...
November 2017: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/29284970/prevalence-characteristics-and-complications-of-supernumerary-teeth-in-nonsyndromic-pediatric-population-of-south-india-a-clinical-and-radiographic-study
#13
Gibi Syriac, Elizabeth Joseph, S Rupesh, John Philip, Sunu Alice Cherian, Josey Mathew
Introduction: Supernumerary teeth are the presence of more number of teeth over the normal dental formula and may occur in permanent as well as early mixed dentition. This study determined the prevalence, characteristics, and complications caused by supernumerary teeth in nonsyndromic South Indian pediatric population. Materials and Methods: Characteristics of supernumerary teeth determined by clinical and radiographic examination were recorded. The age, sex, number of supernumerary teeth, eruption status, morphology, position, orientation, and complications (if any) associated with supernumerary teeth were recorded for each patient who had supernumerary teeth...
November 2017: Journal of Pharmacy & Bioallied Sciences
https://www.readbyqxmd.com/read/29279768/oral-health-related-quality-of-life-in-patients-with-implant-treatment
#14
Yukumi Kanehira, Korenori Arai, Toshiki Kanehira, Keina Nagahisa, Shunsuke Baba
PURPOSE: Patient-reported outcomes are increasingly commonly used as a method of evaluating treatments. This cross-sectional study aimed to evaluate implant treatment from the perspective of patient-reported outcomes. MATERIALS AND METHODS: Subjects were 804 patients who visited the Department of Oral Implantology at Osaka Dental University. The participants were categorized into a pre-implant group and a post-implant group. They were further categorized into five subgroups based on the number of occlusal supports provided by the remaining teeth according to the Eichner classification...
December 2017: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/29278008/oral-health-status-of-hospitalized-amyotrophic-lateral-sclerosis-patients-a-single-centre-observational-study
#15
Rena Nakayama, Akira Nishiyama, Chiharu Matsuda, Yuki Nakayama, Chiyoko Hakuta, Masahiko Shimada
OBJECTIVE: To assess the intraoral conditions and oral function of patients with amyotrophic lateral sclerosis (ALS). MATERIAL AND METHODS: This single-centre, cross-sectional observational study included 50 ALS patients, who were treated with tracheostomy positive-pressure ventilation (TPPV) while hospitalized. The disease duration, TPPV duration, current number of teeth, number of occlusal units, number of decayed/missing/filled teeth, community periodontal index, bleeding on probing, dental calculus, maximum mouth opening, salivation rate, tongue anomalies (atrophy or hypertrophy) and tongue coating were determined for each patient...
December 26, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/29275170/complete-rehabilitation-of-compromised-full-dentitions-with-adhesively-bonded-all-ceramic-single-tooth-restorations-long-term-outcome-in-patients-with-and-without-amelogenesis-imperfecta
#16
Andrea Klink, Martin Groten, Fabian Huettig
OBJECTIVES: This clinical follow-up evaluated the long-term outcome of full-mouth rehabilitations with adhesively bonded all-ceramic restorations in patients suffering from amelogenesis imperfecta (AI) or affected by extensive tooth wear including a loss of the vertical dimension of occlusion. MATERIALS AND METHODS: Included for evaluation were all patients treated with adhesively bonded monolithic single-tooth restorations made of silicate or lithium disilicate ceramics; allowing a maximum four missing teeth and a facial feldspathic veneering of LDS anterior crowns...
December 21, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/29274951/correlation-between-the-posterior-mandibular-width-and-the-lingual-gap-caused-by-symphyseal-fractures-using-a-virtual-model
#17
Christian Pedemonte Trewhela, Andrea Carmona Avendaño, Edgardo González Mora, Ilich Vargas Farren, Francisco Lopetegui Caceres, Erick Rojas Quiroz
PURPOSE: The objective was to determine the dimensional impact, on the occlusal and articular level, of the gap produced in the lingual plate from symphyseal fractures, correlated with the dimensional change in the posterior mandibular width. MATERIALS AND METHODS: We performed an observational experimental study based on 30 computed tomography scans of patients treated by the Maxillofacial Surgery Service, Hospital Clínico Mutual de Seguridad, Santiago, Chile, between 2012 and 2016...
December 7, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29243678/the-relationship-between-pathological-wear-of-teeth-and-temporomandibular-joint-dysfunction
#18
Egle Mickeviciute, Ausra Baltrusaityte, Gaivile Pileicikiene
OBJECTIVE: Temporomandibular joint dysfunction (TMJD) is quite frequent pathology in population. In scientific literature pathological tooth wear (PTW) is listed among the predisposing factors of it. MATERIAL AND METHODS: During the survey 189 primary patients of dental department in polyclinic of Panevezys city were examined. According to the tooth wear degree 2 groups have been formed: control group (grade 0-1) withouth TMJ dysfunction; and experimental group (grade 2-4) with presumable TMJD...
2017: Stomatologija
https://www.readbyqxmd.com/read/29241221/diagnosis-risk-assessment-and-treatment-decisions-for-occlusal-caries-a-survey-from-the-danish-public-dental-health-service
#19
Joana Christina Carvalho, Vibeke Qvist, Nicole R Aimée, Heliana D Mestrinho, Azam Bakhshandeh
This study validates a case-based survey method and analyzes the extent to which Danish dental professionals apply current concepts and strategies for occlusal caries management in children, adolescents, and young adults. A case-based, precoded questionnaire consisting of 10 clinical cases/patients with 26 teeth/occlusal surfaces was developed. The cases were set up in a PowerPoint presentation and color printed as a booklet illustrating patients with different patterns of caries activity, severity, and risk...
December 15, 2017: Caries Research
https://www.readbyqxmd.com/read/29234745/the-influence-of-repeated-abutment-changes-on-peri-implant-tissue-stability-3-year-post-loading-results-from-a-multicentre-randomised-controlled-trial
#20
Eriberto Bressan, Maria Gabriella Grusovin, Ferdinando D'Avenia, Konrad Neumann, Luca Sbricoli, Giuseppe Luongo, Marco Esposito
PURPOSE: To evaluate the influence of at least three abutment disconnections in conventional loaded implants against placement of a definitive abutment in immediately non-occlusal loaded implants on hard and soft tissue changes. A secondary aim was to evaluate whether the presence of less than 2 mm of keratinised mucosa is associated with increased peri-implant marginal bone loss and soft tissue recessions. MATERIALS AND METHODS: Eighty patients requiring one single crown or one fixed partial prosthesis supported by a maximum of three implants were randomised, after implants were placed with more than 35 Ncm, according to a parallel group design to receive definitive abutments that were loaded immediately (definitive abutment or immediate loading group) or transmucosal abutments, which were delayed loaded after 3 months and removed at least three times: 1...
2017: European Journal of Oral Implantology
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