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Restorative dentistry

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https://www.readbyqxmd.com/read/29770926/effect-of-mouthwashes-on-the-discolouration-of-restorative-materials-commonly-used-in-paediatric-dentistry
#1
N B Ulusoy, V Arikan, A Akbay Oba
AIM: This was to investigate the effects of Klorhex, Tantum Verde, Kloroben, and Listerine on the discolouration of composite resin, compomer, giomer, and resin-modified glass ionomer. METHODS: Fifty disc-shaped specimens from each restorative material (n = 50) were prepared; initial colour values were measured with a spectrophotometer. Forty specimens from each group were placed in the four different types of mouthwashes (n = 10), while the remaining 10 specimens were immersed in distilled water for 2 min, twice a day for a period of 3 weeks...
May 16, 2018: European Archives of Paediatric Dentistry: Official Journal of the European Academy of Paediatric Dentistry
https://www.readbyqxmd.com/read/29755618/wear-of-resin-composites-current-insights-into-underlying-mechanisms-evaluation-methods-and-influential-factors
#2
REVIEW
Akimasa Tsujimoto, Wayne W Barkmeier, Nicholas G Fischer, Kie Nojiri, Yuko Nagura, Toshiki Takamizawa, Mark A Latta, Masashi Miazaki
The application of resin composites in dentistry has become increasingly widespread due to the increased aesthetic demands of patients, improvements in the formulation of resin composites, and the ability of these materials to bond to tooth structures, together with concerns about dental amalgam fillings. As resistance to wear is an important factor in determining the clinical success of resin composite restoratives, this review article defines what constitutes wear and describes the major underlying phenomena involved in this process...
May 2018: Japanese Dental Science Review
https://www.readbyqxmd.com/read/29754155/-real-patients-in-virtual-reality-the-link-between-phantom-heads-and-clinical-dentistry
#3
C M Serrano, P R Wesselink, J M Vervoorn
Preclinical training in phantom heads has until now been considered the 'gold standard' for restorative dental education, but the transition from preclinic to the treatment of real patients has remained a challenge. With the introduction of the latest generation of virtual reality simulators, students and dental practitioners can make digital impressions of their patients in virtual reality models and practice procedures in virtual reality before clinically performing them. In this way, clinical decisions can be investigated and practiced prior to actual treatment, enhancing the safety of the treatment and the self-confidence to perform it...
May 2018: Nederlands Tijdschrift Voor Tandheelkunde
https://www.readbyqxmd.com/read/29750621/effect-of-two-traditional-polyacrylic-acid-conditioners-and-2-chlorhexidine-digluconate-on-cavosurface-microleakage-of-glass-ionomer-restorations
#4
Diva Lugassy, Pnina Segal, Sigalit Blumer, Michal Eger, Asaf Shely, Shlomo Matalon
OBJECTIVES: A lack of appropriate adhesiveness is one of the biggest problems in restorative dentistry today and the main cause of microleakage. This is especially true in pediatric dentistry where moisture control is more difficult to achieve. Glass ionomer restorative materials increase adhesion and decrease microleakage given their chemical adhesion to the remaining tooth substance. Pretreatment improves the adhesion quality. The aim of this study was to assess the microleakage of Glass ionomer restorative materials following application of 20% polyacrylic acid, 10% polyacrylic acid or 2% chlorhexidine digluconate in Class V cavities...
May 11, 2018: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/29728545/antibacterial-effect-and-tensile-bond-strength-of-self-etching-adhesive-resins-with-and-without-methacryloyloxydodecylpyridinium-bromide-an-in-vitro-study
#5
Madhuram Krishnamurthy, V Naveen Kumar, Ashok Leburu, Chakravarthy Dhanavel, Kasiswamy E Selvendran, Nehrudhas Praveen
Aim: The aim of the present study was to compare the antibacterial activity of a self-etching primer containing antibacterial monomer methacryloyloxydodecylpyridinium bromide (MDPB) (Clearfil protect bond) with a conventional self-etching primer without MDPB (Clearfil SE bond) against Streptococcus mutans and the effect of incorporation of MDPB on the tensile bond strength of the experimental self-etching primer (Clearfil protect bond). Materials and methods: The antibacterial activity of the self-etching primers was assessed using agar disk diffusion method and the diameters of the zones of inhibition were measured and ranked...
April 1, 2018: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/29725848/breakdown-of-demarcated-opacities-related-to-molar-incisor-hypomineralization-a-longitudinal-study
#6
Aline Borburema Neves, Gabriela Caldeira Andrade Americano, Daniella Varela Soares, Vera Mendes Soviero
OBJECTIVES: This prospective longitudinal study aimed to evaluate if the occurrence of post-eruptive breakdown of demarcated opacities in hypomineralized teeth is influenced by the color or location of the opacity. MATERIALS AND METHODS: Patients diagnosed with molar-incisor hypomineralization (MIH) between 2012 and 2014 were eligible. Two calibrated examiners performed the initial and follow-up evaluations according to European Academy of Paediatric Dentistry (EAPD) criteria...
May 3, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29723852/flexural-strength-of-glass-carbomer-cement-and-conventional-glass-ionomer-cement-stored-in-different-storage-media-over-time
#7
Muhammad Ali Faridi, Abdul Khabeer, Saad Haroon
OBJECTIVES: Glass Ionomer Cement (GIC) is routinely placed as a restorative material in dentistry. However, due to its poor physical properties, its use is limited to cases where the level of stress on the restoration is minimal. Improved formulations of GIC have been developed to overcome these drawbacks. The purpose of the study was to evaluate the flexural strength of a conventional GIC (Fuji IX) against the newly developed Glass Carbomer Cement (GCP). MATERIALS AND METHODS: A total of 80 blocks for Fuji IX and GCP were prepared and divided into 16 groups (n = 5)...
May 3, 2018: Medical Principles and Practice: International Journal of the Kuwait University, Health Science Centre
https://www.readbyqxmd.com/read/29714496/prosthetically-driven-computer-guided-implant-placement-and-restoration-using-cerec-a-case-report
#8
David Dano, Monica Stiteler, Russell Giordano
Developments in 3-dimentional (3D) diagnostic technology and advanced digital optical imaging have improved the predictability, safety, and efficiency of restoratively driven implant dentistry. Surgical procedures may now be performed in a single visit utilizing chairside, computer-aided design/computer-aided manufacturing technology and in situations when a two-stage implant protocol is indicated as demonstrated in this case. The CEREC® GALILEOS® integration workflow system was used to prosthetically plan and place an implant in the lower right mandibular first molar site, No...
May 2018: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/29707613/an-overview-of-development-and-status-of-fiber-reinforced-composites-as-dental-and-medical-biomaterials
#9
REVIEW
Pekka K Vallittu
Fibr-reinforced composites (FRC) have been used successfully for decades in many fields of science and engineering applications. Benefits of FRCs relate to physical properties of FRCs and versatile production methods, which can be utilized. Conventional hand lamination of prefabricated FRC prepregs is utilized still most commonly in fabrication of dental FRC devices but CAD-CAM systems are to be come for use in certain production steps of dental constructions and medical FRC implants. Although metals, ceramics and particulate filler resin composites have successfully been used as dental and medical biomaterials for decades, devices made out of these materials do not meet all clinical requirements...
2018: Acta Biomaterialia Odontologica Scandinavica
https://www.readbyqxmd.com/read/29696065/physiochemical-properties-of-experimental-nano-hybrid-mta
#10
Vagharedin Akhavan Zanjani, Kasra Tabari, Seyedeh Mahsa Sheikh-Al-Eslamian, Ahmad Najafi Abrandabadi
Introduction: The development of new pulp capping agents has paved the way towards the preservation of pulp vitality, which is an important goal in restorative dentistry. This study sought to assess the calcium ion release, pH and setting of mineral trioxide aggregate (MTA) Angelus, an experimental formulation of nano-hybrid MTA containing nano-SiO2, nano-Al2O3 and nano-TiO2 and MTA Angelus plus nano-oxides. Methods: In this experimental study, five specimens from each material were placed in polypropylene tubes and immersed in a flask containing deionized distilled water...
January 2018: Journal of Medicine and Life
https://www.readbyqxmd.com/read/29692848/iatrogenic-errors-during-root-canal-instrumentation-performed-by-dental-students
#11
Seyedeh Sareh Hendi, Hamed Karkehabadi, Amir Eskandarloo
Introduction: The present study was set to investigate the training quality and its association with the quality of root canal therapy performed by fifth year dentistry students. Methods and Materials: A total number of 432 records of endodontic treatment performed by fifth year dentistry students were qualified to be further investigated. Radiographs were assessed by two independent endodontists. Apical transportation, apical perforation, gouging, ledge formation, and the quality of temporary restoration were error types investigated in the present study...
2018: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/29692564/effects-of-mangosteen-peel-extract-combined-with-demineralized-freeze-dried-bovine-bone-xenograft-on-osteocalcin-collagen-1-and-osteoblast-as-alveolar-bone-regeneration-in-socket-preservation
#12
Utari Kresnoadi, Tika Raharjo, Rostiny Rostiny
Background: Tooth extraction will provoke changes in alveolar bone morphology and dimensions. Postextraction bone resorption can lead to significant problems for restorative dentistry. Therefore, the extracted tooth socket needs to be preserved to reduce alveolar ridge bone resorption. This research aimed to analyze the expression and levels of osteocalcin, collagen 1, and osteoblasts in extracted tooth sockets filled with a combination of mangosteen peel extract and demineralized freeze-dried bovine bone xenograft (DFDBBX)...
April 2018: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/29692560/osteo-odonto-keratoprosthesis-innovative-dental-and-ophthalmic-blending
#13
REVIEW
Jaswinder Kaur
Corneal diseases are among the major causes of global blindness, secondary to cataract. osteo-odonto keratoprosthesis (OOKP) is the ideal treatment for patients with end-stage inflammatory corneal diseases where a portion of tooth along with bone is used to support an optical cylinder to restore vision in such patients. OOKP surgery requires multidisciplinary approach involving dentists, ophthalmologists, and radiologists. Very less is known in dentistry about the role of the periodontium in the field of ophthalmology...
April 2018: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/29689648/qualitative-analysis-of-the-margins-of-restorations-made-with-different-filling-resins
#14
Monika Ostapiuk, Bożena Tarczydło, Barbara Surowska, Mirosław Orłowski, Barbara Tymczyna, Teresa Bachanek, Anna Rzepecka, Anna Mróz
PURPOSE: In this study the comparative results obtained from examinations of two different restorative composites with different cavities filling method are presented. Micro-CT was used for the evaluation of the marginal integrity and quality of composite fillings in connection with microstructural investigations made by both optical and scanning electron microscopy. MATERIALS AND METHODS: The examinations of dental tooth filings in bulk-fill technique were based on micro-CT and microscopy observations...
April 24, 2018: Microscopy Research and Technique
https://www.readbyqxmd.com/read/29679700/toxicity-of-porcelain-fused-to-metal-substrate-to-zebrafish-danio-rerio-embryos-and-larvae
#15
Libo Zhao, Jing Si, Yuan Wei, Sirui Li, Yanjiao Jiang, Rong Zhou, Bin Liu, Hong Zhang
AIMS: Porcelain-fused-to-metal (PFM) crowns are a standard restoration technique in dentistry, but toxicity of PFM in vivo has not been systematically evaluated. The present study evaluated the effects of various metal alloy shells of PFM crowns on the development of zebrafish embryos and larvae in order to determine the safety of these materials. MAIN METHODS: Gold palladium (Au-Pd), silver palladium (Ag-Pd), Nickel chromium (Ni-Cr), cobalt chromium (Co-Cr), titanium (Ti) alloy porcelain crowns were immersed in artificial saliva for 1, 4, and 7 weeks, and the leach solution was collected and used to treat zebrafish embryos at 4-144 h PFM...
April 18, 2018: Life Sciences
https://www.readbyqxmd.com/read/29678327/antibacterial-quaternary-ammonium-compounds-in-dental-materials-a-systematic-review
#16
REVIEW
Pooyan Makvandi, Rezvan Jamaledin, Mostafa Jabbari, Nasser Nikfarjam, Assunta Borzacchiello
OBJECTIVE: Quaternary ammonium compounds (QACs) represent one of the most effective classes of disinfectant agents in dental materials and resin nanocomposites. This reviews aims to give a wide overview on the research in the field of antibacterial QACs in dental materials and nanocomposites. METHOD: An introduction to dental materials components as well as the microorganisms and methods of evaluation for the antimicrobial assays are presented. Then, the properties and synthesis route of QACs, as monomer and filler, are shown...
April 17, 2018: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/29670726/decayed-missing-and-restored-teeth-in-patients-with-neurofibromatosis-type-1
#17
Reinhard E Friedrich, Anika Reul
Background: NF1 is a relatively frequently occurring autosomal dominant inherited disease. There are conflicting reports about oral health status in NF1. The aim of this study was to analyze the dental status of patients with neurofibromatosis type 1 (NF1). Material and Methods: Radiographs of 179 patients with NF1 were analyzed for decayed, missing, and filled teeth (DMFT) in a cross-sectional, retrospective study. The results were compared to age- and sex-matched controls of individuals not affected by NF1...
February 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29663970/pediatric-dentists-treatment-planning-decisions-for-class-ii-carious-lesions-in-primary-molars
#18
Martha Holland, Caroline Carrico, Tiffany Williams
PURPOSE: To assess pediatric dentists' choice for restoring Class II carious lesions in primary molars. METHODS: A survey with eight cases of class II carious lesions was emailed to American Academy of Pediatric Dentistry members, who were asked to choose either a stainless steel crown (SSC) or composite resin as a final restoration, or no treatment. Treatment decisions were compared to evidence-based treatment recommendations. Repeated measures logistic regression was used to determine factors associated with treatment decisions...
January 15, 2018: Journal of Dentistry for Children
https://www.readbyqxmd.com/read/29655407/periodontal-prosthesis-in-contemporary-dentistry
#19
REVIEW
Chiun-Lin Steven Liu
In the last 5 decades, the developments of osseointegrated titanium implants (since 1965) have led to the success of contemporary dentistry. Endosseous implant-supported restorations delivered in accordance with the traditional Branemark protocol have proven to be highly predictable. Today, implants are becoming increasingly common in dental care and provide more therapeutic options, but treatment planning and the sequencing of therapy are critical in implant-assisted and implant-supported cases. Implant prostheses give patients and dentists more options in treatment planning, but also present challenging decisions regarding implant surgery...
April 2018: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/29643529/-retrospective-study-of-dental-treatment-under-general-anesthesia-of-62-disabled-children-and-adolescents
#20
N Wang, Y M Zhao
OBJECTIVE: To retrospectively figure out the oral health status, treatment and follow-ups after dental treatment under general anesthesia (DGA) of disabled children or adolescents. METHODS: Clinical data of disabled children or adolescents and normal children as control received DGA in the Department of Pediatric Dentistry, Peking University School and Hospital of Stomatology from August 2008 to September 2015 were recorded, including: gender, birth date, treatment date, disability type, oral health status before treatment, treatment content and follow-ups (in 1 year)...
April 18, 2018: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
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