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https://www.readbyqxmd.com/read/29155537/case-study-management-of-a-loose-upper-denture-opposed-by-a-shortened-dental-arch
#1
Laurie Powell
For many years, it has been considered necessary to restore posterior support with a bilateral free-end saddle when a full upper denture is opposed by a shortened dental arch. It was thought that this would provide occlusal stability and prevent anterior bite collapse and temporomandibular dysfunction. As free-end saddle partial dentures are often poorly tolerated by patients, this case study tests whether a retentive full-upper denture occluding with a shortened dental arch offers enough to fulfil a patient’s needs...
December 2016: Dental Update
https://www.readbyqxmd.com/read/29151799/endodontic-management-of-maxillary-third-molar-with-mb2-vertucci-type-iv-canal-configuration-diagnosed-with-cone-beam-computed-tomography-a-case-report
#2
Pradeep Jain, Pallav Patni, Pant Yogesh, Vyas Anup
The endodontic treatment of maxillary third molar often poses a challenge even to an experienced endodontist because of their most posterior location in the dental arch, aberrant occlusal anatomy, abnormal root canal configuration and eruption patterns. Owing to these anatomical limitations, their extraction remains the treatment of choice for many clinicians. As we know, retaining every functional component of the dental arch is of prime importance in contemporary dental practice. This clinical case report aims to discuss the endodontic treatment of maxillary third molar with MB2 root canal separated throughout the length and exit at two separate apical foramina (Vertucci type IV) diagnosed with Cone Beam Computed Tomography (CBCT)...
2017: Clujul Medical (1957)
https://www.readbyqxmd.com/read/29151795/the-influence-of-occlusal-stabilization-appliances-on-cervical-dystonia-symptoms
#3
Camelia Navrotchi, Mîndra Eugenia Badea
Objectives: The aim of this study was to assess the therapeutic efficiency of the occlusal stabilization appliance (OSA) in patients with cervical dystonia (CD). Methods: The study included 11 patients aged between 29 and 80 years, 7 women and 4 men, diagnosed with primary CD. The patients underwent an extra- and intra-oral clinical examination, followed by para-clinical examinations, necessary for the specifications of the OSA. The following data were recorded: demographic parameters, CD duration, management of the disease, dental impression, recording of the centric relationship, recording of the position of the upper jaw with the facial bow...
2017: Clujul Medical (1957)
https://www.readbyqxmd.com/read/29144007/analysis-of-surface-roughness-fracture-toughness-and-weibull-characteristics-of-different-framework-veneer-dental-ceramic-assemblies-after-grinding-polishing-and-glazing
#4
Guillermo Pradíes, Laura Godoy-Ruiz, Mutlu Özcan, Isabel Moreno-Hay, Francisco Martínez-Rus
PURPOSE: To compare the surface roughness and biaxial flexural strength of dental ceramics obtained after chairside surface modification by mechanical polishing procedures, versus laboratory reglazing. MATERIALS AND METHODS: Discs (16 × 1.5 ± 1.6 mm) (N = 90) of various framework-veneering combinations were fabricated: D/FC: lithium disilicate/feldspathic ceramic; Z/AL: zirconium dioxide/aluminous ceramic; N/FC: noble alloy/feldspathic ceramic; N/FF: noble alloy feldspathic with fluorapatite; B/FC: base alloy/feldspathic ceramic; B/FF: base alloy/feldspathic ceramic with fluorapatite...
November 16, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29142646/integrating-3d-facial-scanning-in-a-digital-workflow-to-cad-cam-design-and-fabricate-complete-dentures-for-immediate-total-mouth-rehabilitation
#5
Bassam Hassan, Marcus Greven, Daniel Wismeijer
PURPOSE: To integrate extra-oral facial scanning information with CAD/CAM complete dentures to immediately rehabilitate terminal dentition. MATERIALS AND METHODS: Ten patients with terminal dentition scheduled for total extraction and immediate denture placement were recruited for this study. The patients were submitted to a facial scanning procedure using the in-office PritiMirror scanner with bite registration records in-situ. Definitive stone cast models and bite records were subsequently submitted to a lab scanning procedure using the lab scanner (iSeries DWOS; Dental Wings)...
October 2017: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/29142643/verification-of-a-computer-aided-replica-technique-for-evaluating-prosthesis-adaptation-using-statistical-agreement-analysis
#6
Hang-Nga Mai, Kyeong Eun Lee, Kyu-Bok Lee, Seung-Mi Jeong, Seok-Jae Lee, Cheong-Hee Lee, Seo-Young An, Du-Hyeong Lee
PURPOSE: The purpose of this study was to evaluate the reliability of computer-aided replica technique (CART) by calculating its agreement with the replica technique (RT), using statistical agreement analysis. MATERIALS AND METHODS: A prepared metal die and a metal crown were fabricated. The gap between the restoration and abutment was replicated using silicone indicator paste (n = 25). Gap measurements differed in the control (RT) and experimental (CART) groups...
October 2017: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/29138601/zinc-phosphate-as-a-definitive-cement-for-implant-supported-crowns-and-fixed-dentures
#7
Dennis Flanagan
Implant-supported dental prostheses can be retained by a screw or cement. Implant-supported fixed partial dentures have a passive fit. A passive fit means there is an internal gap between the abutment surface and the intaglio of the retainer to insure that there is no lateral pressure on the supporting implants or friction upon seating of the prosthesis. This gap is filled with cement for retention of the prosthesis. Any lateral pressure may cause marginal bone loss or periimplantitis. Also, there is usually a microscopic gap at the margin of a crown retainer that exposes the cement to oral fluids...
2017: Clinical, Cosmetic and Investigational Dentistry
https://www.readbyqxmd.com/read/29138112/dentists-decision-strategies-for-suspicious-occlusal-caries-lesions-in-a-national-dental-pbrn-study
#8
Sonia K Makhija, Michael E Robinson, James D Bader, Daniel A Shugars, Mark S Litaker, Hong R Im, D Brad Rindal, Daniel J Pihlstrom, Cyril Meyerowitz, Valeria V Gordan, Meredith K Buchberg, Gregg H Gilbert
OBJECTIVE: Case presentations (vignettes) were completed by dentists in the National Dental Practice-Based Research Network study "Decision Aids for the Management of Suspicious Occlusal Caries Lesions (SOCLs)". The objective was to determine dentists' decision strategies for SOCLs). METHODS: 107 dentists viewed a series of 16 vignettes that represented all combinations of 4 clinical cues: color, luster, lesion roughness, and patient-level caries risk. Each vignette included a patient description and a photograph of a tooth presenting the 4 cues...
November 11, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/29135733/treatment-of-maxillary-hypoplasia-in-cleft-lip-and-palate-segmental-distraction-osteogenesis-with-hyrax-device
#9
Rodrigo Fariña, Alejandro Diaz, Roberto Pantoja, Carolina Bidart
The objective of this work is to describe a segmental maxillary distraction osteogenesis (SDO) with segmental Lefort I with an inexpensive device.Four patients who presented severe class III and maxillary hypoplasia due to cleft lip and palate sequel were treated. A SDO was performed using a dental-anchored Hyrax device, achieving enlargement of the upper jaw without altering speech, with adequate and stable occlusion. Dental implants in a new formed bone were installed.The authors can conclude that SDO is a good treatment alternative for patients with maxillary hypoplasia...
November 9, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29135728/internal-distraction-resulted-in-improved-patient-reported-outcomes-for-midface-hypoplasia
#10
David I Hindin, Corbin E Muetterties, Justine C Lee, Anand Kumar, Henry K Kawamoto, James P Bradley
BACKGROUND: Both internal and external distraction devices have been used successfully in correcting midface hypoplasia. Although the indication for surgery and the osteotomy techniques may be similar, deciding when to use internal versus external devices has not been studied. The authors studied patient-reported outcomes with FACE-Q and functional surveys for internal and external devices for midface distraction patients. METHODS: Patients who underwent distraction advancement after Le Fort I and Le Fort III were surveyed using the FACE-Q survey and a functional survey...
November 9, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29135387/effect-on-bone-architecture-of-marginal-grooves-in-dental-implants-under-occlusal-loaded-conditions-in-beagle-dogs
#11
Hatsumi Kato, Shinichiro Kuroshima, Nao Inaba, Yusuke Uto, Takashi Sawase
The aim was to clarify whether marginal grooves on dental implants affect osseointegration, bone structure and the alignment of collagen fibers determining bone quality under loaded condition. Anodized Ti-6Al-4V alloy dental implants with and without marginal grooves were used (3.7 × 8.0 mm; test and control implants, respectively). Fourth premolars and first molars of six beagle mandibles were extracted. Two control and test implants were placed in randomly selected healed sites at 12 weeks after tooth extraction...
November 14, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29135335/retrospective-study-of-tapered-1-piece-implants-placed-over-a-10-year-period-in-a-single-private-practice
#12
John Minichetti, Joseph C D'Amore, Anna Yj Hong
Today clinicians have a variety of treatment modalities available to address the increasing number of implant procedures performed each year. Single-stage implant surgery is now commonly used in implant dentistry. With patient demands for immediate restoration, the utilization of 1-piece implants is gaining acceptance. This article reports the results of tapered 1-piece implants (Zimmer Biomet) placed in a single practice over a 10-year period. A total of 33 1-piece dental implants were placed in 24 patients and provisionally restored out of occlusion at the time of surgery...
November 14, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29130414/occlusal-angles-of-equine-incisors
#13
Laura Listmann, Patricia Schrock, Klaus Failing, Carsten Staszyk
The angulation of equine incisors is frequently used as a parameter for dental corrections. However, the term incisor angle is only vaguely defined, and no studies exist presenting a series of reliable measurements in individual incisors of multiple horses. The aim of this study was to establish an exact method to determine incisor angles and to test whether clinically accessible landmarks (facial crest and bars) are suitable to estimate incisor angles. Eighteen horses were used to create 3-dimensional (3D) reconstructions of the skulls from computed tomography (CT) data sets...
December 2017: Journal of Veterinary Dentistry
https://www.readbyqxmd.com/read/29129975/forensic-age-estimation-of-chinese-malaysian-adults-by-evaluating-occlusal-tooth-wear-using-modified-kim-s-index
#14
Chai Kit Lu, Margaret Chia Soo Yee, Spoorthi Banavar Ravi, Rohit Pandurangappa
Background and Objective: Evaluation of dental attrition is an easy and relatively accurate approach to estimating the age of an adult either ante- or postmortem for some specific population. Dental attrition represents a progressive physiological age change that can be measured using variety of indices to aid as an adjunct in forensic age estimation. Some of the previously proposed indices have their own practical limitations. This paper focuses on using modified Kim's criteria to score dental attrition to estimate the age of Chinese Malaysian adults and validate it...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/29128350/biomechanical-behavior-of-adhesive-cement-layer-and-periodontal-tissues-on-the-restored-teeth-with-zirconia-rbfdps-using-three-kinds-of-framework-design-3d-fea-study
#15
Ayana Uraba, Reina Nemoto, Kosuke Nozaki, Tasuku Inagaki, Satoshi Omori, Hiroyuki Miura
PURPOSE: To investigate stress and strain concentrations on resin-bonded fixed dental prostheses (RBFDPs) frameworks of different design using finite element analysis. METHODS: A human dry skull was scanned and models were produced using three-dimensional printer. After abutment preparation, three frameworks, including a three-unit RBFDP, and two-unit cantilevered RBFDPs using #21 and #23 for the abutment tooth, were fabricated. Scanned data were subtracted to define boundary of each structure...
November 8, 2017: Journal of Prosthodontic Research
https://www.readbyqxmd.com/read/29128128/cad-fe-modeling-and-analysis-of-class-ii-restorations-incorporating-resin-composite-glass-ionomer-and-glass-ceramic-materials
#16
Pietro Ausiello, Stefano Ciaramella, Massimo Martorelli, Antonio Lanzotti, Antonio Gloria, David C Watts
OBJECTIVES: To investigate the influence of specific resin-composite, glass ceramic and glass ionomer cement (GIC) material combinations in a "multi-layer" technique to replace enamel and dentin in class II mesio-occlusal-distal (MOD) dental restorations using 3D-Finite Element Analysis (FEA). METHODS: Four 3D-FE models (A-D) of teeth, adhesively restored with different filling materials, were created and analyzed in comparison with a 3D model (E) of a sound lower molar...
November 8, 2017: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/29119958/-the-experience-with-the-application-of-ozone-therapy-for-the-treatment-of-periodontitis-in-musicians-instrumentalists
#17
A V Kislitsyna, A G Volkov, N Zh Dikopova, S S Akhmedbaeva, A L Shishmareva
Playing various musical instruments is the cause of an additional load that affects the condition of dentition and of all organs and body systems at large. Each group of instruments is known to exert a specific impact on the health of the musicians including the undesirable influence on the state of thir oral cavity, such as a change of occlusion and irritation of oral mucosa. Taken together, these effects contribute to the development of periodontal disease, one of the most common dental disorders. AIM: The objective of the present study was to evaluate the effectiveness of ozone therapy conducted with the use of the generator producing ozone under effect of ultraviolet radiation for the treatment of periodontitis in musicians-instrumentalists...
2017: Voprosy Kurortologii, Fizioterapii, i Lechebnoĭ Fizicheskoĭ Kultury
https://www.readbyqxmd.com/read/29112190/jaw-biodynamic-data-for-24-patients-with-chronic-unilateral-temporomandibular-disorder
#18
José López-Cedrún, Urbano Santana-Mora, María Pombo, Amaya Pérez Del Palomar, Víctor Alonso De la Peña, María Jesús Mora, Urbano Santana
This study assessed 24 adult patients, suffering from severe chronic unilateral pain diagnosed as temporomandibular joint (TMJ) disorder (TMD). The full dentate patients had normal occlusion and had never received an occlusal therapy, i.e., were with natural dental evolution/maturation. The following functional and dynamic factors were assessed: (1) chewing function; (2) TMJ remodeling or the condylar path (CP); and (3) lateral jaw motion or lateral guidance (LG). CPs were assessed using conventional axiography, and LG was assessed by K7 jaw tracking...
November 7, 2017: Scientific Data
https://www.readbyqxmd.com/read/29109835/anterior-submandibular-approach-for-transmylohyoid-endotracheal-intubation-a-reappraisal-with-prospective-study-in-206-cases-of-craniomaxillofacial-fractures
#19
Nitin Bhola, Anendd Jadhav, Atul Kala, Rahul Deshmukh, Umesh Bhutekar, G S V Prasad
Despite a paradigm shift in anesthesia and trauma airway management, the craniomaxillofacial fracture (CMF) patients continue to pose a challenge. A prospective study was planned between April 2007 and March 2015 to investigate the safety, efficacy, utility, and complications of anterior submandibular approach for transmylohyoid intubation (TMI) in CMFs using an armored endotracheal tube (ETT). Out of 1,207 maxillofacial trauma cases reported, this study recruited 206 patients (152 males and 54 females) aged between 21 and 60 years...
December 2017: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/29109317/prevalence-of-dental-malocclusions-in-patients-admitted-to-the-department-of-orthodontics-school-of-dentistry-tabriz-in-2016
#20
Mohammad H Ahangar-Atashi, Fatemeh Dabaghi-Tabriz, Sina Ahangar-Atashi, Mahdi Rahbar
AIM: This study is aimed at investigating the prevalence of disorders among patients referred to Tabriz Dental School in 2016. MATERIALS AND METHODS: This research was conducted in a cross-section method and taken from all patients admitted during this period. Classification of dental occlusion in patients was based on Angle's definition, skeletal classification was based on Steiner's analysis, and overjet and overbite values and other patient-related information were imported from the records in the extractive sector and in specific forms...
November 1, 2017: Journal of Contemporary Dental Practice
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