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Journal of Advanced Prosthodontics

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https://www.readbyqxmd.com/read/29279771/erratum-comparison-of-retention-forces-with-various-fabrication-methods-and-materials-in-double-crowns
#1
(no author information available yet)
[This corrects the article on p. 308 in vol. 9, PMID: 28874999.].
December 2017: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/29279770/dental-biomaterials-for-chairside-cad-cam-state-of-the-art
#2
REVIEW
Hugo Lambert, Jean-Cédric Durand, Bruno Jacquot, Michel Fages
The wide use of chairside CAD/CAM restorations has increased the diversity of the restorative material. For the practitioner, the selection of the appropriate material is difficult amongst the variety offered by the market. Information on the characteristics of the products can be difficult to assess due to the lack of up-to-date classification and the lack of reliability of manufacturer's advertising. The purpose of this article is to structure the data on restorative materials provided by various sources in order for the practitioner to choose the product most suited to the clinical situation...
December 2017: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/29279769/biofilm-formation-on-denture-base-resin-including-zno-cao-and-tio2-nanoparticles
#3
Melissa Anwander, Martin Rosentritt, Sibylle Schneider-Feyrer, Sebastian Hahnel
PURPOSE: This laboratory study aimed to investigate the effect of doping an acrylic denture base resin material with nanoparticles of ZnO, CaO, and TiO2 on biofilm formation. MATERIALS AND METHODS: Standardized specimens of a commercially available cold-curing acrylic denture base resin material were doped with 0.1, 0.2, 0.4, or 0.8 wt% commercially available ZnO, CaO, and TiO2 nanopowder. Energy dispersive X-ray spectroscopy (EDX) was used to identify the availability of the nanoparticles on the surface of the modified specimens...
December 2017: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/29279768/oral-health-related-quality-of-life-in-patients-with-implant-treatment
#4
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/29279767/3-dimensional-reconstruction-of-mandibular-canal-at-the-interforaminal-region-using-micro-computed-tomography-in-korean
#5
Yong Hyun Jeon, Chul Kwon Lee, Hee-Jung Kim, Jae-Heon Chung, Heung-Joong Kim, Sun-Kyoung Yu
PURPOSE: The purpose of this study was to identify the complex course of the mandibular canal using 3D reconstruction of microCT images and to provide the diagram for clinicians to help them understand at the interforaminal region in Korean. MATERIALS AND METHODS: Twenty-six hemimandibles obtained from cadavers were examined using microCT, and the images were reconstructed. At both the midpoint of mental foramen and the tip of anterior loop, the bucco-lingual position, the height from the mandibular inferior border, the horizontal distance between two points, and position relative to tooth site on the mandibular canal were measured...
December 2017: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/29279766/evaluation-of-marginal-and-internal-gap-of-three-unit-metal-framework-according-to-subtractive-manufacturing-and-additive-manufacturing-of-cad-cam-systems
#6
Dong-Yeon Kim, Eo-Bin Kim, Hae-Young Kim, Ji-Hwan Kim, Woong-Chul Kim
PURPOSE: To evaluate the fit of a three-unit metal framework of fixed dental prostheses made by subtractive and additive manufacturing. MATERIALS AND METHODS: One master model of metal was fabricated. Twenty silicone impressions were made on the master die, working die of 10 poured with Type 4 stone, and working die of 10 made of scannable stone. Ten three-unit wax frameworks were fabricated by wax-up from Type IV working die. Stereolithography files of 10 three-unit frameworks were obtained using a model scanner and three-dimensional design software on a scannable working die...
December 2017: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/29279765/investigation-of-the-cytotoxicity-of-thermoplastic-denture-base-resins
#7
Jung-Hwan Lee, Soo-Kyung Jun, Si-Chul Kim, Chikahiro Okubo, Hae-Hyoung Lee
PURPOSE: The purpose of this study was to investigate the in vitro cytotoxicity of thermoplastic denture base resins and to identify the possible adverse effects of these resins on oral keratinocytes in response to hot water/food intake. MATERIALS AND METHODS: Six dental thermoplastic resin materials were evaluated: three polyamide materials (Smile tone, ST; Valplast, VP; and Luciton FRS, LF), two acrylic materials (Acrytone, AT; and Acryshot, AS), and one polypropylene resin material (Unigum, UG)...
December 2017: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/29279764/effects-of-hybrid-coat-on-shear-bond-strength-of-five-cements-an-in-vitro-study
#8
Yue Guo, Hou-De Zhou, Yun-Zhi Feng
PURPOSE: To evaluate the sealing performance of Hybrid Coat and its influence on the shear bond strength of five dentin surface cements. MATERIALS AND METHODS: Six premolars were pretreated to expose the dentin surface prior to the application of Hybrid Coat. The microscopic characteristics of the dentinal surfaces were examined with scanning electron microscopy (SEM). Then, 40 premolars were sectioned longitudinally, and 80 semi-sections were divided into a control group (untreated) and a study group (treated by Hybrid Coat)...
December 2017: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/29279763/influence-of-different-surface-treatments-on-bond-strength-of-novel-cad-cam-restorative-materials-to-resin-cement
#9
Meltem Bektaş Kömürcüoğlu, Elçin Sağırkaya, Ayça Tulga
PURPOSE: To evaluate the effects of different surface treatments on the bond strength of novel CAD/CAM restorative materials to resin cement by four point bending test. MATERIALS AND METHODS: The CAD/CAM materials under investigation were e.max CAD, Mark II, Lava Ultimate, and Enamic. A total of 400 bar specimens (4×1.2×12 mm) (n=10) milled from the CAD/CAM blocks underwent various pretreatments (no pretreatment (C), hydrofluoric acid (A), hydrofluoric acid + universal adhesive (Scotchbond) (AS), sandblasting (Sb), and sandblasting + universal adhesive (SbS))...
December 2017: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/29279762/detection-of-proximal-caries-using-quantitative-light-induced-fluorescence-digital-and-laser-fluorescence-a-comparative-study
#10
Hyung-In Yoon, Min-Jeong Yoo, Eun-Jin Park
PURPOSE: The purpose of this study was to evaluate the in vitro validity of quantitative light-induced fluorescence-digital (QLF-D) and laser fluorescence (DIAGNOdent) for assessing proximal caries in extracted premolars, using digital radiography as reference method. MATERIALS AND METHODS: A total of 102 extracted premolars with similar lengths and shapes were used. A single operator conducted all the examinations using three different detection methods (bitewing radiography, QLF-D, and DIAGNOdent)...
December 2017: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/29279761/load-bearing-capacity-of-various-cad-cam-monolithic-molar-crowns-under-recommended-occlusal-thickness-and-reduced-occlusal-thickness-conditions
#11
Sulki Choi, Hyung-In Yoon, Eun-Jin Park
PURPOSE: The goal of this study was to evaluate the fracture resistances of various monolithic crowns fabricated by computer-aided design and computer-aided manufacturing (CAD/CAM) with different thickness. MATERIALS AND METHODS: Test dies were fabricated as mandibular molar forms with occlusal reductions using CAD/CAM. With different occlusal thickness (1.0 or 1.5 mm), a polymer-infiltrated ceramic network (Enamic, EN), and zirconia-reinforced lithium silicate (Suprinity, SU and Celtra-Duo, CD) were used to fabricate molar crowns...
December 2017: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/29279760/fracture-load-and-survival-of-anatomically-representative-monolithic-lithium-disilicate-crowns-with-reduced-tooth-preparation-and-ceramic-thickness
#12
Noor A Nawafleh, Muhanad M Hatamleh, Andreas Öchsner, Florian Mack
PURPOSE: To investigate the effect of reducing tooth preparation and ceramic thickness on fracture resistance of lithium disilicate crowns. MATERIALS AND METHODS: Specimen preparation included a standard complete crown preparation of a typodont mandibular left first molar with an occlusal reduction of 2 mm, proximal/axial wall reduction of 1.5 mm, and 1.0 mm deep chamfer (Group A). Another typodont mandibular first molar was prepared with less tooth reduction: 1 mm occlusal and proximal/axial wall reduction and 0...
December 2017: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/29279759/a-standardization-model-based-on-image-recognition-for-performance-evaluation-of-an-oral-scanner
#13
Sang-Wan Seo, Wan-Sun Lee, Jae-Young Byun, Kyu-Bok Lee
PURPOSE: Accurate information is essential in dentistry. The image information of missing teeth is used in optically based medical equipment in prosthodontic treatment. To evaluate oral scanners, the standardized model was examined from cases of image recognition errors of linear discriminant analysis (LDA), and a model that combines the variables with reference to ISO 12836:2015 was designed. MATERIALS AND METHODS: The basic model was fabricated by applying 4 factors to the tooth profile (chamfer, groove, curve, and square) and the bottom surface...
December 2017: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/29142649/adherence-of-candida-to-complete-denture-surfaces-in-vitro-a-comparison-of-conventional-and-cad-cam-complete-dentures
#14
Afnan F Al-Fouzan, Lamya A Al-Mejrad, Ahmed M Albarrag
PURPOSE: The goal of this study was to compare the adhesion of Candida albicans to the surfaces of CAD/CAM and conventionally fabricated complete denture bases. MATERIALS AND METHODS: Twenty discs of acrylic resin poly (methyl methacrylate) were fabricated with CAD/CAM and conventional procedures (heat-polymerized acrylic resin). The specimens were divided into two groups: 10 discs were fabricated using the CAD/CAM procedure (Wieland Digital Denture Ivoclar Vivadent), and 10 discs were fabricated using a conventional flasking and pressure-pack technique...
October 2017: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/29142648/comparison-of-the-optical-properties-of-pre-colored-dental-monolithic-zirconia-ceramics-sintered-in-a-conventional-furnace-versus-a-microwave-oven
#15
Hee-Kyung Kim, Sung-Hun Kim
PURPOSE: The purpose of this study was to compare the optical properties of pre-colored dental monolithic zirconia ceramics of various thicknesses sintered in a microwave and those in a conventional furnace. MATERIALS AND METHODS: A2-shade of pre-colored monolithic zirconia ceramic specimens (22.0 mm × 22.0 mm) in 3 thickness groups of 0.5, 1.0, and 1.5 mm were divided into 2 subgroups according to the sintering methods (n=9): microwave and conventional sintering...
October 2017: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/29142647/effects-of-staining-liquids-and-finishing-methods-on-translucency-of-a-hybrid-ceramic-material-having-two-different-translucency-levels
#16
Sebnem Ulviye Buyukkaplan, Mehmet Mustafa Özarslan, Çağatay Barutcigil, Merve Arslan, Kubilay Barutcigil, Elif Ece Yoldan
PURPOSE: Beverages may affect the translucency of esthetic dental restorative materials. The aim of the present study was to investigate the effects of coffee and red wine on the translucency of a PICN material with two translucency levels, and finished with different methods. MATERIALS AND METHODS: 2M2 high translucent and translucent VITA Enamic hybrid ceramic blocks were investigated. Rectangular specimens with the dimensions of 12 mm × 14 mm × 2 mm were prepared...
October 2017: Journal of Advanced Prosthodontics
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
#17
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/29142645/effect-of-implant-and-occlusal-load-location-on-stress-distribution-in-locator-attachments-of-mandibular-overdenture-a-finite-element-study
#18
Angel Alvarez-Arenal, Ignacio Gonzalez-Gonzalez, Hector deLlanos-Lanchares, Elena Martin-Fernandez, Aritza Brizuela-Velasco, Joseba Ellacuria-Echebarria
PURPOSE: The aim of this study is to evaluate and compare the stress distribution in Locator attachments in mandibular two-implant overdentures according to implant locations and different loading conditions. MATERIALS AND METHODS: Four three-dimensional finite element models were created, simulating two osseointegrated implants in the mandible to support two Locator attachments and an overdenture. The models simulated an overdenture with implants located in the position of the level of lateral incisors, canines, second premolars, and crossed implant...
October 2017: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/29142644/repair-bond-strengths-of-non-aged-and-aged-resin-nanoceramics
#19
Meryem Gülce Subaşı, Gülce Alp
PURPOSE: To explore the influence of different surface conditionings on surface changes and the influence of surface treatments and aging on the bond strengths of composites to non-aged and aged resin nanoceramics. MATERIALS AND METHODS: Rectangular-shaped non-aged and aged (5000 thermocycles) resin nanoceramic specimens (Lava Ultimate) (n=63, each) were divided into 3 groups according to surface treatments (untreated, air abrasion, or silica coating) (n=21). The surface roughness was measured and scanning electron microscopy was used to examine one specimen from each group...
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
#20
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
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