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Restorative Dentistry & Endodontics

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https://www.readbyqxmd.com/read/27847758/relationship-between-laboratory-bond-strengths-and-clinical-performance-of-dentin-adhesives
#1
Young-Kyung Kim
No abstract text is available yet for this article.
November 2016: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/27847757/statistical-notes-for-clinical-researchers-definition-and-comparison-of-risk-and-odds
#2
Hae-Young Kim
No abstract text is available yet for this article.
November 2016: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/27847756/mandibular-bone-necrosis-after-use-of-paraformaldehyde-containing-paste
#3
Chi-Hwan Lee, Yoorina Choi, Sujung Park
Paraformaldehyde has been used in the past as a pulpotomy agent. However, it has a severe cytotoxic effect and may cause alveolar bone necrosis. Depulpin, a devitalizing agent containing 49% paraformaldehyde, is no longer used frequently due to its severe side effects. In the two cases described in the present study, Depulpin was used as a devitalizing agent during root canal treatment. It caused a gradual loss of sensibility in adjacent teeth, gingival necrosis, and osteomyelitis. This case report demonstrates the serious side effects of using a paraformaldehyde-containing paste as a devitalizing agent for pulp, particularly mandibular bone necrosis...
November 2016: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/27847755/radix-mesiolingualis-and-radix-distolingualis-a-case-report-of-a-tooth-with-an-unusual-morphology
#4
Gurudutt Nayak, Himanshu Aeran, Inderpreet Singh
Variation in the root and canal morphology of the maxillary first molars is quite common. The most common configuration is 3 roots and 3 or 4 canals. Nonetheless, other possibilities still exist. The presence of an additional palatal root is rather uncommon and has been reported to have an incidence of 0.06 - 1.6% in varying populations studied. Whenever two palatal roots exist, one of them is the normal palatal root, the other is a supernumerary structure which can be located either mesiolingually (radix mesiolingualis) or distolingually (radix distolingualis)...
November 2016: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/27847754/microsurgical-re-treatment-of-an-endodontically-treated-tooth-with-an-apically-located-incomplete-vertical-root-fracture-a-clinical-case-report
#5
Silvio Taschieri, Massimo Del Fabbro, Ahmed El Kabbaney, Igor Tsesis, Eyal Rosen, Stefano Corbella
Although it is challenging, the early diagnosis of a vertical root fracture (VRF) is crucial in order to ensure tooth preservation. The purpose of this clinical case report was to describe reparative surgery performed to treat a tooth affected by an incomplete VRF. A 26 year old male patient was suspected to have a VRF in a maxillary left central incisor, and an exploratory flap was performed in order to confirm the diagnosis. After detecting the fracture, the lesion was surgically treated, the fracture and the infected root-end were removed, and a platelet-rich plasma membrane was used to cover the defect in order to prevent bacterial migration...
November 2016: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/27847753/apicoectomy-of-maxillary-anterior-teeth-through-a-piezoelectric-bony-window-osteotomy-two-case-reports-introducing-a-new-technique-to-preserve-cortical-bone
#6
Viola Hirsch, Meetu R Kohli, Syngcuk Kim
Two case reports describing a new technique of creating a repositionable piezoelectric bony window osteotomy during apicoectomy in order to preserve bone and act as an autologous graft for the surgical site are described. Endodontic microsurgery of anterior teeth with an intact cortical plate and large periapical lesion generally involves removal of a significant amount of healthy bone in order to enucleate the diseased tissue and manage root ends. In the reported cases, apicoectomy was performed on the lateral incisors of two patients...
November 2016: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/27847752/screw-in-forces-during-instrumentation-by-various-file-systems
#7
Jung-Hong Ha, Sang Won Kwak, Sung-Kyo Kim, Hyeon-Cheol Kim
OBJECTIVES: The purpose of this study was to compare the maximum screw-in forces generated during the movement of various Nickel-Titanium (NiTi) file systems. MATERIALS AND METHODS: Forty simulated canals in resin blocks were randomly divided into 4 groups for the following instruments: Mtwo size 25/0.07 (MTW, VDW GmbH), Reciproc R25 (RPR, VDW GmbH), ProTaper Universal F2 (PTU, Dentsply Maillefer), and ProTaper Next X2 (PTN, Dentsply Maillefer, n = 10). All the artificial canals were prepared to obtain a standardized lumen by using ProTaper Universal F1...
November 2016: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/27847751/effects-of-proanthocyanidin-a-crosslinking-agent-on-physical-and-biological-properties-of-collagen-hydrogel-scaffold
#8
Yoorina Choi, Hee-Jin Kim, Kyung-San Min
OBJECTIVES: The purpose of the present study was to evaluate the effects of proanthocyanidin (PAC), a crosslinking agent, on the physical properties of a collagen hydrogel and the behavior of human periodontal ligament cells (hPDLCs) cultured in the scaffold. MATERIALS AND METHODS: Viability of hPDLCs treated with PAC was measured using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. The physical properties of PAC treated collagen hydrogel scaffold were evaluated by the measurement of setting time, surface roughness, and differential scanning calorimetry (DSC)...
November 2016: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/27847750/in-vitro-characterization-of-human-dental-pulp-stem-cells-isolated-by-three-different-methods
#9
Ji-Hyun Jang, Hyeon-Woo Lee, Kyu Min Cho, Hee-Woong Shin, Mo Kwan Kang, Sang Hyuk Park, Euiseong Kim
OBJECTIVES: In this study, we characterized human dental pulp cells (HDPCs) obtained by different culture methods to establish the most suitable methodology for dental tissue engineering and regenerative endodontic applications. MATERIALS AND METHODS: HDPCs were isolated by the outgrowth method (HDPCs-OG), the enzymatic digestion method (collagenase/dispase/trypsin, HDPCs-ED), or the combination of both methods (HDPCs-Combined). The expression of mesenchymal stem cell markers (CD105, CD90, and CD73) was investigated...
November 2016: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/27847749/comparative-assessment-of-antibacterial-activity-of-different-glass-ionomer-cements-on-cariogenic-bacteria
#10
Rahul Gaybarao Naik, Arun Suresh Dodamani, Mahesh Ravindra Khairnar, Harish Chaitram Jadhav, Manjiri Abhay Deshmukh
OBJECTIVES: Glass ionomer cements (GICs), which are biocompatible and adhesive to the tooth surface, are widely used nowadays for tooth restoration. They inhibit the demineralization and promote the remineralization of the tooth structure adjacent to the restoration, as well as interfere with bacterial growth. Hence, the present study was conducted to assess and compare the antimicrobial activity of three commercially available GICs against two cariogenic bacteria. MATERIALS AND METHODS: An agar plate diffusion test was used for evaluating the antimicrobial effect of three different GICs (Fuji IX, Ketac Molar, and d-tech) on Streptococcus mutans (S...
November 2016: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/27847748/effects-of-radiant-exposure-and-wavelength-spectrum-of-light-curing-units-on-chemical-and-physical-properties-of-resin-cements
#11
Adriano Fonseca Lima, Stephanie Ellen Ferreira Formaggio, Lígia França Aires Zambelli, Alan Rodrigo Muniz Palialol, Giselle Maria Marchi, Cintia Helena Coury Saraceni, Marcelo Tavares de Oliveira
OBJECTIVES: In this study, we evaluated the influence of different radiant exposures provided by single-peak and polywave light-curing units (LCUs) on the degree of conversion (DC) and the mechanical properties of resin cements. MATERIALS AND METHODS: Six experimental groups were established for each cement (RelyX ARC, 3M ESPE; LuxaCore Dual, Ivoclar Vivadent; Variolink, DMG), according to the different radiant exposures (5, 10, and 20 J/cm(2)) and two LCUs (single-peak and polywave)...
November 2016: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/27847747/healing-outcomes-of-root-canal-treatment-for-c-shaped-mandibular-second-molars-a-retrospective-analysis
#12
Hye-Ra Ahn, Young-Mi Moon, Sung-Ok Hong, Min-Seock Seo
OBJECTIVES: This study aimed to evaluate the healing rate of non-surgical endodontic treatment between C-shaped and non-C-shaped mandibular second molars. MATERIALS AND METHODS: Clinical records and radiological images of patients who had undergone endodontic treatment on mandibular second molars between 2007 and 2014 were screened. The periapical index scoring system was applied to compare healing outcomes. Information about preoperative and postoperative factors as well as the demographic data of the patients was acquired and evaluated using chi-square and multinomial logistic regression tests...
November 2016: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/27847746/elemental-analysis-of-caries-affected-root-dentin-and-artificially-demineralized-dentin
#13
Young-Hye Sung, Ho-Hyun Son, Keewook Yi, Juhea Chang
OBJECTIVES: This study aimed to analyze the mineral composition of naturally- and artificially-produced caries-affected root dentin and to determine the elemental incorporation of resin-modified glass ionomer (RMGI) into the demineralized dentin. MATERIALS AND METHODS: Box-formed cavities were prepared on buccal and lingual root surfaces of sound human premolars (n = 15). One cavity was exposed to a microbial caries model using a strain of Streptococcus mutans. The other cavity was subjected to a chemical model under pH cycling...
November 2016: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/27847745/carbohydrate-electrolyte-drinks-exhibit-risks-for-human-enamel-surface-loss
#14
Mary Anne Sampaio de Melo, Vanara Florêncio Passos, Juliana Paiva Marques Lima, Sérgio Lima Santiago, Lidiany Karla Azevedo Rodrigues
OBJECTIVES: The aim of this investigation was to give insights into the impact of carbohydrate-electrolyte drinks on the likely capacity of enamel surface dissolution and the influence of human saliva exposure as a biological protective factor. MATERIALS AND METHODS: The pH, titratable acidity (TA) to pH 7.0, and buffer capacity (β) of common beverages ingested by patients under physical activity were analyzed. Then, we randomly distributed 50 specimens of human enamel into 5 groups...
November 2016: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/27847744/translucency-changes-of-direct-esthetic-restorative-materials-after-curing-aging-and-treatment
#15
REVIEW
Yong-Keun Lee
The purpose of this article was to review the changes in translucency of direct esthetic restorative materials after curing, aging and treatment. As a criterion for the evaluation of clinical translucency changes, visual perceptibility threshold in translucency parameter difference (ΔTP) of 2 was used. Translucency changes after curing were perceivable depending on experimental methods and products (largest ΔTP in resin composites = 15.9). Translucency changes after aging were reported as either relatively stable or showed perceivable changes by aging protocols (largest ΔTP in resin composites = -3...
November 2016: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/27508168/nano-computed-tomography-current-and-future-perspectives
#16
Hany Mohamed Aly Ahmed
No abstract text is available yet for this article.
August 2016: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/27508167/introducing-the-gentlewave-system
#17
Won-Jun Shon
No abstract text is available yet for this article.
August 2016: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/27508166/statistical-notes-for-clinical-researchers-sample-size-calculation-3-comparison-of-several-means-using-one-way-anova
#18
Hae-Young Kim
No abstract text is available yet for this article.
August 2016: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/27508165/application-of-quantitative-light-induced-fluorescence-to-determine-the-depth-of-demineralization-of-dental-fluorosis-in-enamel-microabrasion-a-case-report
#19
Tae-Young Park, Han-Sol Choi, Hee-Won Ku, Hyun-Su Kim, Yoo-Jin Lee, Jeong-Bum Min
Enamel microabrasion has become accepted as a conservative, nonrestorative method of removing intrinsic and superficial dysmineralization defects from dental fluorosis, restoring esthetics with minimal loss of enamel. However, it can be difficult to determine if restoration is necessary in dental fluorosis, because the lesion depth is often not easily recognized. This case report presents a method for analysis of enamel hypoplasia that uses quantitative light-induced fluorescence (QLF) followed by a combination of enamel microabrasion with carbamide peroxide home bleaching...
August 2016: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/27508164/a-combined-approach-to-non-carious-cervical-lesions-associated-with-gingival-recession
#20
SungEun Yang, HyeJin Lee, Sung-Ho Jin
Non-carious cervical lesions (NCCLs) with gingival recession require specific consideration on both aspects of hard and soft tissue lesion. In the restorative aspect, careful finishing and polishing of the restorations prior to mucogingival surgery is the critical factor contributing to success. Regarding surgery, assessment of the configuration of the lesion and the choice of surgical technique are important factors. The precise diagnosis and the choice of the proper treatment procedure should be made on the basis of both restorative and surgical considerations to ensure the successful treatment of NCCLs...
August 2016: Restorative Dentistry & Endodontics
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