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https://www.readbyqxmd.com/read/29909718/profile-of-intrusive-luxation-and-healing-complications-in-deciduous-and-permanent-teeth-a-retrospective-study
#1
Thais Rodrigues Campos Soares, Luciana Pereira Silva, Sabrina Loren de Almeida Salazar, Ronir Raggio Luiz, Patrícia de Andrade Risso, Lucianne Cople Maia
OBJECTIVE: This retrospective study analyse the profile of intrusion in deciduous (DT) and permanent teeth (PT), the occurrence of healing complications (HC), type of treatments and predisposing factors. METHODS: The records of patients attended from 2005 to 2011 were analysed. Records of patients who had one or more intruded DT or PT were included in the study. Data collected from dental records included age, gender, attendance (immediate/mediate), healing complications and type of treatment...
June 17, 2018: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/29900923/utility-of-facebow-in-the-fabrication-of-complete-dentures-occlusal-splints-and-full-arch-fixed-dental-prostheses-a-systematic-review
#2
REVIEW
Farhan Raza Khan, Rabia Ali, Aiman Sheikh
Objective: The objective of this study is to assess the utility of facebow transfer in the fabrication of occlusal splints, complete dentures and full arch fixed dental prosthesis. Materials and Methods: A systematic review protocol was registered at PROSPERO registry, University of York, UK (CRD42016041919). Following databases were explored: PubMed, CINAHL, Cochrane, and Web of knowledge. The PICO model included participants who received occlusal splint or complete denture or full arch fixed dental prosthesis at the centric relation position...
May 2018: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/29897352/esthetic-evaluation-of-maxillary-single-tooth-zirconia-implants-in-the-esthetic-zone
#3
Kristian Kniha, Heinz Kniha, Ingrid Grunert, Daniel Edelhoff, Frank Hölzle, Ali Modabber
The purpose of this study was to evaluate ceramic dental implants using different esthetic scores. A total of 53 ceramic dental implants were evaluated using the Pink Esthetic Score (PES), White Esthetic Score (WES), and Peri-Implant and Crown Index (PICI). Prosthodontists, orthodontists, oral surgeons, and dentistry students independently performed assessments. The mean value of combined PES + WES was 17.4 points, and the PICI was 523.2 points. Orthodontists assessed a significantly lower result in both indices compared to all other assessor groups (P ≤ ...
June 12, 2018: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29892524/assessing-perceptions-of-oral-health-related-quality-of-life-in-dental-implant-patients-experience-of-a-tertiary-care-center-in-india
#4
Arun Paul S, Sibu Simon S, Saurabh Kumar, Rabin K Chacko
Background: Patients perception of treatment outcomes are invaluable assessment tools and are effective indicators for future prognosis. Various tools of measurement have been used to assess the same. The oral health impact profile questionnaire (OHIP 14) has been effectively used to evaluate the oral health-related quality of life (OHRQoL) with regards to individual perceptions. This study was conducted to assess OHRQoL in patients who have had dental implants to replace missing teeth in the Department of Dental Surgery, Unit 1, Christian Medical College and Hospital, Vellore, TN, India by using the OHIP 14 questionnaire...
May 2018: Journal of Oral Biology and Craniofacial Research
https://www.readbyqxmd.com/read/29892415/enamel-formation-and-growth-in-non-mammalian-cynodonts
#5
Rachel N O'Meara, Wendy Dirks, Agustín G Martinelli
The early evolution of mammals is associated with the linked evolutionary origin of diphyodont tooth replacement, rapid juvenile growth and determinate adult growth. However, specific relationships among these characters during non-mammalian cynodont evolution require further exploration. Here, polarized light microscopy revealed incremental lines, resembling daily laminations of extant mammals, in histological sections of enamel in eight non-mammalian cynodont species. In the more basal non-probainognathian group, enamel extends extremely rapidly from cusp to cervix...
May 2018: Royal Society Open Science
https://www.readbyqxmd.com/read/29888732/effect-of-home-bleaching-on-surface-of-zinc-phosphate-cement-a-scanning-electron-microscopic-study
#6
S A AlZain
Context: The effect of home bleaching on surfaces of dental cements is controversial. Aim: The aim of this study was to microscopically evaluate and compare the effect of different concentrations of carbamide peroxide (CP) home bleaching agents on the surface of zinc phosphate cement. Materials and Methods: Forty 10 mm × 2 mm specimens of zinc phosphate cement were prepared following the manufacturer's directions. All specimens were immersed in artificial saliva at 37°C for 24 h...
June 2018: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/29888490/in-vitro-tooth-reattachment-techniques-a-systematic-review
#7
Amanda Pinto Bandeira Rodrigues de Sousa, Kamilla França, Liliana Vicente Melo de Lucas Rezende, Déborah Lousan do Nascimento Poubel, Julio César Franco Almeida, Isabela Porto de Toledo, Fernanda Cristina Pimentel Garcia
BACKGROUND/AIMS: Fragment reattachment is a procedure that offers advantages, such as preservation of dental structure and maintenance of color, shape and translucency of the original tooth. The aim of this study was to analyze the reattachment techniques used to restore anterior teeth fractured by trauma. MATERIALS AND METHODS: The PubMed, LILACS, Web of Science, Cochrane and Scopus databases were searched in October 2016, and the search was updated in February 2017...
June 11, 2018: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/29887210/ancient-teeth-phenetic-affinities-and-african-hominins-another-look-at-where-homo-naledi-fits-in
#8
Joel D Irish, Shara E Bailey, Debbie Guatelli-Steinberg, Lucas K Delezene, Lee R Berger
A new species of Homo, Homo naledi, was described in 2015 based on the hominin skeletal remains from the Dinaledi Chamber of the Rising Star cave system, South Africa. Subsequent craniodental comparative analyses, both phenetic and cladistic, served to support its taxonomic distinctiveness. Here we provide a new quantitative analysis, where up to 78 nonmetric crown and root traits of the permanent dentition were compared among samples of H. naledi (including remains from the recently discovered Lesedi Chamber) and eight other species from Africa: Australopithecus afarensis, Australopithecus africanus, Paranthropus boisei, Paranthropus robustus, Homo habilis, Homo erectus, Middle Pleistocene Homo sp...
June 7, 2018: Journal of Human Evolution
https://www.readbyqxmd.com/read/29875558/comparative-evaluation-of-salivary-cortisol-levels-in-bruxism-patients-before-and-after-using-soft-occlusal-splint-an-in-vivo-study
#9
Pudi Sriharsha, Anil Kumar Gujjari, M R Dhakshaini, Akila Prashant
Introduction: Bruxism is defined as a nonfunctional activity or a parafunctional habit characterized by the unconscious repetitive motion of clenching and/or grinding of the teeth. Soft occlusal splints have been considered as the first-line strategy for treating nocturnal bruxism. Cortisol is a major steroid hormone secreted by fascicular zone of the adrenal cortex, belonging to the glucocorticosteroidal group of hormones. Clinical studies have shown that when humans are placed under stress, the hypothalamic-pituitary-adrenocortical axis is activated, leading to an increase in cortical secretion...
April 2018: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/29865987/unusual-dental-morphology-in-a-chimpanzee-a-case-report-utilizing-cone-beam-computed-tomography
#10
Samah M Al-Amery, Phrabhakaran Nambiar, Jacob John, Kathiravan Purmal, Wei Cheong Ngeow, Nor Himazian Mohamed, Subramaniam Vellayan
This case report illustrates the teeth morphology of a chimpanzee and its anatomical variations. A well-preserved skull of a male Pan troglodytes troglodyte chimpanzee was scanned using a cone-beam computed tomography machine. Measurements included tooth and crown height, root length, root canal length and width (posterior teeth), and pulp cavity length (anterior teeth). Nonmetrical parameters included number of canals and foramina per root of every root. Interestingly, the mandibular central incisor was longer than the lateral incisor, and all the mandibular anterior teeth presented with a solitary flame-shaped or conical-calcified structure in their pulp cavity...
June 2018: Journal of Veterinary Dentistry
https://www.readbyqxmd.com/read/29865986/assessment-of-temporary-crown-extensions-to-correct-linguoverted-mandibular-canine-teeth-in-72-client-owned-dogs-2012-2016
#11
Sigbjørn H Storli, Robert A Menzies, Alexander M Reiter
A search of the medical and dental records at Evidensia Lørenskog Dyreklinikk, in Lørenskog, Norway, was conducted to identify dogs that received temporary crown extensions (TCEs) to correct linguoverted mandibular canine (LMC) teeth over a 54-month investigation period (2012-2016). Criteria for inclusion into the study were the presence of complete medical and dental records, pre- and postoperative clinical photographs and intraoral radiographs of the affected canine teeth, adequate information pertaining to the procedures performed, and at least 1 follow-up >3 months after appliance removal...
June 2018: Journal of Veterinary Dentistry
https://www.readbyqxmd.com/read/29862269/the-influence-of-the-crown-implant-ratio-on-the-crestal-bone-level-and-implant-secondary-stability-36-month-clinical-study
#12
Jakub Hadzik, Maciej Krawiec, Konstanty Sławecki, Christiane Kunert-Keil, Marzena Dominiak, Tomasz Gedrange
Introduction: When the era of dental implantology began, the pioneers defined some gold standards used in dental prosthetics treatment for implant-supported restorations. Referring to traditional prosthetics, it was taken for granted that the length of an implant placed in the alveolar bone (the equivalent of the root) should exceed the length of the superstructure. Aim of the Study: The aim of the study was to determine whether implant length and the crown-to-implant ( C / I ) ratio influence implant stability and the loss of the surrounding marginal bone and whether short implants can be used instead of sinus augmentation procedures...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29849979/three-steps-to-maintain-predictable-interdental-papilla-and-gingiva-emergence-profiles-in-immediate-implant-placement-a-3-year-follow-up-case-report
#13
Ramón Gómez-Meda, Vanessa Montoya-Salazar, Santiago Dalmau, Daniel Torres-Lagares
We present a case that describes a three-step clinical technique to provide guidelines to replace fractured teeth with immediate implant placement using the same dental structure as a temporary crown and a regenerative approach. This approach predictably maintains the interdental papilla and gingiva emergence profile to ensure a favorable cosmetic result. A 3-year follow-up has shown good clinical outcomes and stability in crestal bone levels. Consequently, this is an innovative way to do temporary crown and design restorations in everyday clinical practice...
May 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29849967/influence-of-different-restorative-materials-on-the-stress-distribution-in-dental-implants
#14
Carlos-Eduardo Datte, João-Paulo-Mendes Tribst, Amanda-Maria-de Oliveira Dal Piva, Renato-Sussumu Nishioka, Marco-Antonio Bottino, Alexandre-Duarte M Evangelhista, Fabrício M de M Monteiro, Alexandre-Luiz-Souto Borges
Background: To assist clinicians in deciding the most suitable restorative materials to be used in the crowns and abutment in implant rehabilitation. Material and Methods: For finite element analysis (FEA), a regular morse taper implant was created using a computer aided design software. The implant was inserted at the bone model with 3 mm of exposed threads. An anatomic prosthesis representing a first maxillary molar was modeled and cemented on the solid abutment...
May 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29806668/5-year-outcomes-after-coverage-of-soft-tissue-dehiscence-around-single-implants-a-prospective-cohort-study
#15
Giovanni Zucchelli, Pietro Felice, Claudio Mazzotti, Matteo Marzadori, Ilham Mounssif, Carlo Monaco, Stefanini Martina
PURPOSE: To report the 5-year clinical and aesthetic outcomes of a novel surgical-prosthetic approach for the treatment of buccal soft tissue dehiscence around single dental implants. MATERIALS AND METHODS: Twenty patients with buccal soft tissues dehiscence around single implants in the aesthetic area were treated by removing the implant-supported crown, reducing the implant abutment, coronally advanced flap in combination with connective tissue graft and final restoration...
2018: European Journal of Oral Implantology
https://www.readbyqxmd.com/read/29805236/a-novel-approach-to-extrude-subgingivally-fractured-tooth-using-customized-removable-appliance
#16
Ziauddin Mohammad, Sarada Penmetcha, Apeksha Bagalkotkar, Srinivas Namineni
Traumatic dental injuries (TDIs) are common in growing children. Among all the dental injuries, complicated crown root fractures (Andreasen Class VI) of maxillary permanent anterior teeth are relatively widespread. Such fractured teeth are often considered as hopeless and are extracted. However, if the tooth is to be retained, various treatment strategies have been proposed. The aim of the present case report is to suggest a new technique to treat a complicated crown root fracture. The management of this case included endodontic procedure and orthodontic extrusion to move the fracture line above the supragingival level...
January 2018: International Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/29800639/trend-analysis-of-dental-hard-tissue-conditions-as-function-of-tooth-age
#17
Amnah A Algarni, Peter S Ungar, Frank Lippert, E Angeles Martínez-Mier, George J Eckert, Carlos González-Cabezas, Anderson T Hara
OBJECTIVE: This retrospective in-vitro study investigated tooth age effect on dental hard-tissue conditions. METHODS: Unidentified extracted premolars (n = 1500) were collected and their individual age was estimated (10-100 (±10) years old (yo)) using established dental forensic methods Dental caries, fluorosis and tooth wear (TW) were assessed using the International Caries Detection and Assessment System (ICDAS; 0-5 for crown and 0-2 for root), Thylstrup-Fejerskov (TFI; 0-9) and Basic Erosive Wear Examination (BEWE; 0-3) indices, respectively...
May 22, 2018: Journal of Dentistry
https://www.readbyqxmd.com/read/29795343/late-surviving-stem-mammal-links-the-lowermost-cretaceous-of-north-america-and-gondwana
#18
Adam K Huttenlocker, David M Grossnickle, James I Kirkland, Julia A Schultz, Zhe-Xi Luo
Haramiyida was a successful clade of mammaliaforms, spanning the Late Triassic period to at least the Late Jurassic period, but their fossils are scant outside Eurasia and Cretaceous records are controversial1-4 . Here we report, to our knowledge, the first cranium of a large haramiyidan from the basal Cretaceous of North America. This cranium possesses an amalgam of stem mammaliaform plesiomorphies and crown mammalian apomorphies. Moreover, it shows dental traits that are diagnostic of isolated teeth of supposed multituberculate affinities from the Cretaceous of Morocco, which have been assigned to the enigmatic 'Hahnodontidae'...
May 23, 2018: Nature
https://www.readbyqxmd.com/read/29794469/sealing-carious-tissue-in-primary-teeth-using-crowns-the-hall-technique
#19
Ruth Santamaría, Nicola Innes
In line with reducing the invasiveness of interventions in permanent teeth and changes towards more biological approaches, there have also been moves away from traditional restorative approaches to managing primary teeth where carious dentine/lesions were completely excised and a restoration placed. The Hall Technique is a method for managing carious primary molar teeth where a preformed stainless-steel crown, also known as a preformed metal crown, is seated over a tooth, sealing in, and not removing carious tissue...
2018: Monographs in Oral Science
https://www.readbyqxmd.com/read/29794233/msvat-space-stir-and-semac-stir-for-reduction-of-metallic-artifacts-in-3t-head-and-neck-mri
#20
T Hilgenfeld, M Prager, F S Schwindling, M Nittka, P Rammelsberg, M Bendszus, S Heiland, A Juerchott
BACKGROUND AND PURPOSE: The incidence of metallic dental restorations and implants is increasing, and head and neck MR imaging is becoming challenging regarding artifacts. Our aim was to evaluate whether multiple-slab acquisition with view angle tilting gradient based on a sampling perfection with application-optimized contrasts by using different flip angle evolution (MSVAT-SPACE)-STIR and slice-encoding for metal artifact correction (SEMAC)-STIR are beneficial regarding artifact suppression compared with the SPACE-STIR and TSE-STIR in vitro and in vivo...
May 24, 2018: AJNR. American Journal of Neuroradiology
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