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Journal of Advanced Prosthodontics

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https://www.readbyqxmd.com/read/27826392/prosthetic-reconstruction-with-an-obturator-using-swing-lock-attachment-for-a-patient-underwent-maxillectomy-a-clinical-report
#1
Dong-Jae Seong, Seoung-Jin Hong, Seung-Ryong Ha, Young-Gi Hong, Hyo-Won Kim
Patients who underwent resection of maxilla due to benign or malignant tumor, or accident will have defect in palatal area. They get retention, support and stability from remaining tissues which are hardly optimal. The advantage of swing-lock attachment design is having multiple contacts on labial and lingual side of the abutment teeth by retentive strut and palatal bracing component. Because the force is distributed equally to abutment teeth, abutment teeth of poor prognosis can be benefited from it. It is also more advantageous to cover soft tissue defects which are hard to reach with conventional prosthesis...
October 2016: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/27826391/effect-of-gluma-desensitizer-on-the-retention-of-full-metal-crowns-cemented-with-rely-x-u200-self-adhesive-cement
#2
Shirin Lawaf, Ezatallah Jalalian, Roshanak Roshan, Arash Azizi
PURPOSE: Considering the importance of retention in the success and long-term clinical service of fixed partial dentures (FPDs) as well as the existing controversy regarding the effect of GLUMA desensitizer on the retention of full metal crowns cemented with RelyX U200 self-adhesive cement, this study aimed to assess the effect of GLUMA desensitizer on the retention of full metal crowns cemented using RelyX U200. MATERIALS AND METHODS: In this experimental study, 20 sound human premolars were prepared; a 0...
October 2016: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/27826390/prospective-randomized-clinical-trial-of-hydrophilic-tapered-implant-placement-at-maxillary-posterior-area-6-weeks-and-12-weeks-loading
#3
Seong-Beom Kim, Pil-Young Yun, Sang-Yun Kim, Yang-Jin Yi, Ji-Yun Kim, Young-Kyun Kim
PURPOSE: Early loading of implant can be determined by excellent primary stability and characteristic of implant surface. The implant system with recently improved surface can have load application 4-6 weeks after installing in maxilla and mandible. This study evaluated the effect of healing period to the stability of hydrophilic tapered-type implant at maxillary posterior area. MATERIALS AND METHODS: This study included 30 patients treated by hydrophilic tapered-type implants (total 41 implants at maxilla) and classified by two groups depending on healing period...
October 2016: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/27826389/influence-of-the-connection-design-and-titanium-grades-of-the-implant-complex-on-resistance-under-static-loading
#4
Su-Jung Park, Suk-Won Lee, Richard Leesungbok, Su-Jin Ahn
PURPOSE: The purpose of this study was to evaluate the resistance to deformation under static overloading by measuring yield and fracture strength, and to analyze the failure characteristics of implant assemblies made of different titanium grades and connections. MATERIALS AND METHODS: Six groups of implant assemblies were fabricated according to ISO 14801 (n=10). These consisted of the combinations of 3 platform connections (external, internal, and morse tapered) and 2 materials (titanium grade 2 and titanium grade 4)...
October 2016: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/27826388/investigation-of-the-effects-of-storage-time-on-the-dimensional-accuracy-of-impression-materials-using-cone-beam-computed-tomography
#5
Murat Alkurt, Zeynep Yeşıl Duymus, Numan Dedeoglu
PURPOSE: The storage conditions of impressions affect the dimensional accuracy of the impression materials. The aim of the study was to assess the effects of storage time on dimensional accuracy of five different impression materials by cone beam computed tomography (CBCT). MATERIALS AND METHODS: Polyether (Impregum), hydrocolloid (Hydrogum and Alginoplast), and silicone (Zetaflow and Honigum) impression materials were used for impressions taken from an acrylic master model...
October 2016: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/27826387/empirical-study-of-alginate-impression-materials-by-customized-proportioning-system
#6
Karani Kurtulus, Kenan Tüfekci
PURPOSE: Alginate mixers available in the market do not have the automatic proportioning unit. In this study, an automatic proportioning unit for the alginate mixer and controller software were designed and produced for a new automatic proportioning unit. With this device, it was ensured that proportioning operation could arrange weight-based alginate impression materials. MATERIALS AND METHODS: The variation of coefficient in the tested groups was compared with the manual proportioning...
October 2016: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/27826386/postoperative-irradiation-after-implant-placement-a-pilot-study-for-prosthetic-reconstruction
#7
Re-Mee Doh, Sungtae Kim, Ki Chang Keum, Jun Won Kim, June-Sung Shim, Han-Sung Jung, Kyeong-Mee Park, Moon-Kyu Chung
PURPOSE: On maxillofacial tumor patients, oral implant placement prior to postoperative radiotherapy can shorten the period of prosthetic reconstruction. There is still lack of research on effects of post-implant radiotherapy such as healing process or loading time, which is important for prosthodontic treatment planning. Therefore, this study evaluated the effects of post-implant local irradiation on the osseointegration of implants during different healing stages. MATERIALS AND METHODS: Custom-made implants were placed bilaterally on maxillary posterior edentulous area 4 weeks after extraction of the maxillary first molars in Forty-eight Sprague-Dawley rats...
October 2016: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/27826385/comparative-analysis-on-reproducibility-among-5-intraoral-scanners-sectional-analysis-according-to-restoration-type-and-preparation-outline-form
#8
Ji-Man Park
PURPOSE: The trueness and precision of acquired images of intraoral digital scanners could be influenced by restoration type, preparation outline form, scanning technology and the application of power. The aim of this study is to perform the comparative evaluation of the 3-dimensional reproducibility of intraoral scanners (IOSs). MATERIALS AND METHODS: The phantom containing five prepared teeth was scanned by the reference scanner (Dental Wings) and 5 test IOSs (E4D dentist, Fastscan, iTero, Trios and Zfx Intrascan)...
October 2016: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/27826384/esthetic-outcome-for-maxillary-anterior-single-implants-assessed-by-different-dental-specialists
#9
Abdullah Al-Dosari, Ra'ed Al-Rowis, Feras Moslem, Fahad Alshehri, Ahmed M Ballo
PURPOSE: The aim of this study was to assess the esthetic outcome of maxillary anterior single implants by comparing the esthetic perception of dental professionals and patients. MATERIALS AND METHODS: Twenty-three patients with single implants in the esthetic zone were enrolled in this study. Dentists of four different dental specialties (Three orthodontists, three oral surgeons, three prosthodontists, and three periodontists) evaluated the pink esthetic score (PES)/white esthetic score (WES) for 23 implant-supported single restorations...
October 2016: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/27826383/shear-bond-strength-of-veneering-ceramic-to-coping-materials-with-different-pre-surface-treatments
#10
Natasya Ahmad Tarib, Norsamihah Anuar, Marlynda Ahmad
PURPOSE: Pre-surface treatments of coping materials have been recommended to enhance the bonding to the veneering ceramic. Little is known on the effect on shear bond strength, particularly with new coping material. The aim of this study was to investigate the shear bond strength of veneering ceramic to three coping materials: i) metal alloy (MA), ii) zirconia oxide (ZO), and iii) lithium disilicate (LD) after various pre-surface treatments. MATERIALS AND METHODS: Thirty-two (n = 32) discs were prepared for each coping material...
October 2016: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/27826382/effect-of-different-denture-cleansers-on-surface-roughness-and-microhardness-of-artificial-denture-teeth
#11
Bulem Yuzugullu, Ozlem Acar, Cem Cetinsahin, Cigdem Celik
PURPOSE: The aim of this study was to compare the effects of different denture cleansers on the surface roughness and microhardness of various types of posterior denture teeth. MATERIALS AND METHODS: 168 artificial tooth specimens were divided into the following four subgroups (n=42): SR Orthotyp PE (polymethylmethacrylate); SR Orthosit PE (Isosit); SR Postaris DCL (double cross-linked); and SR Phonares II (nanohybrid composite). The specimens were further divided according to the type of the denture cleanser (Corega Tabs (sodium perborate), sodium hypochlorite (NaOCl), and distilled water (control) (n=14)) and immersed in the cleanser to simulate a 180-day immersion period, after which the surface roughness and microhardness were tested...
October 2016: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/27555903/fabrication-of-a-cad-cam-monolithic-zirconia-crown-to-fit-an-existing-partial-removable-dental-prosthesis
#12
Janghyun Paek, Kwantae Noh, Ahran Pae, Hyeonjong Lee, Hyeong-Seob Kim
Fabricating a surveyed prosthesis beneath an existing partial removable dental prosthesis (PRDP) is a challenging and time-consuming procedure. The computer-aided design/computer-assisted manufacturing (CAD/CAM) technology was applied to fabricate a retrofitted, surveyed zirconia prosthesis to an existing PRDP. CAD/CAM technology enabled precise and easy replication of the contour of the planned surveyed crown on the existing abutment tooth. This technology ensured excellent adaptation and fit of newly fabricated crown to the existing PRDP with minimal adjustments...
August 2016: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/27555902/long-term-evaluation-of-teeth-and-implants-during-the-periodic-maintenance-in-patients-with-viral-liver-disease
#13
Da-Le Yoon, Yong-Gun Kim, Jin-Hyun Cho, Sang-Kyu Lee, Jae-Mok Lee
PURPOSE: This study was designed to investigate the maintenance of teeth and implants in patients with viral liver disease. MATERIALS AND METHODS: 316 patients without any significant systemic disease were selected as a control group. Liver disease group was consisted of 230 patients. Necessary data were collected using clinical records and panoramic radiographs. Then, the patients were subdivided into 2 groups based on the type of active dental therapy received before maintenance period (Pre-Tx)...
August 2016: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/27555901/clinical-evaluation-of-mandibular-implant-overdentures-via-locator-implant-attachment-and-locator-bar-attachment
#14
Yong-Ho Seo, Eun-Bin Bae, Jung-Woo Kim, So-Hyoun Lee, Mi-Jung Yun, Chang-Mo Jeong, Young-Chan Jeon, Jung-Bo Huh
PURPOSE: The aim of this study was to evaluate the clinical findings and patient satisfaction on implant overdenture designed with Locator implant attachment or Locator bar attachment in mandibular edentulous patients. MATERIALS AND METHODS: Implant survival rate, marginal bone loss, probing depth, peri-implant inflammation, bleeding, plaque, calculus, complications, and satisfaction were evaluated on sixteen patients who were treated with mandibular overdenture and have used it for at least 1 year (Locator implant attachment: n=8, Locator bar attachment: n=8)...
August 2016: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/27555900/a-two-short-implant-supported-molar-restoration-in-atrophic-posterior-maxilla-a-finite-element-analysis
#15
Ho-Yong Song, Yoon-Hyuk Huh, Chan-Jin Park, Lee-Ra Cho
PURPOSE: The aim of this study was to investigate the stress distribution of 2-short implants (2SIs) installed in a severely atrophic maxillary molar site. MATERIALS AND METHODS: Three different diameters of internal connection implants were modeled: narrow platform (NP), regular platform (RP), and wide platform (WP). The maxillary first molars were restored with one implant or two short implants. Three 2SI models (NP-oblique, NP-vertical, and NP-horizontal) and four single implant models (RP and WP in a centered or cantilevered position) were used...
August 2016: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/27555899/three-dimensional-deformation-of-dry-stored-complete-denture-base-at-room-temperature
#16
Seo-Ryeon Lim, Joon-Seok Lee
PURPOSE: The aim of this study was to evaluate whether there is any typical deformation pattern existing in complete denture when it was dried by using the 3D scanner and surface matching program. MATERIALS AND METHODS: A total of 28 denture bases were fabricated with heat curing acrylic resin (each 14 upper and lower denture bases), and 14 denture bases (each 7 upper and lower denture bases) were stored in the water bottle (water stored), and another 14 denture bases were stored in the air (dry stored)...
August 2016: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/27555898/influence-of-ozone-and-paracetic-acid-disinfection-on-adhesion-of-resilient-liners-to-acrylic-resin
#17
Orhun Ekren, Ahmet Ozkomur
PURPOSE: The aim of this study was to evaluate the effect of paracetic acid (PAA) and ozone disinfection on the tensile bond strength (TBS) of silicone-based resilient liners to acrylic resins. MATERIALS AND METHODS: One hundred and twenty dumbbell shaped heat-polymerized acrylic resins were prepared. From the mid segment of the specimens, 3 mm of acrylic were grinded off and separated parts were reattached by resilient liners. The specimens were divided into 2 control (control1, control7) and 4 test groups of PAA and ozone disinfection (PAA1, PAA7, ozone1 and ozone7; n=10)...
August 2016: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/27555897/tensile-bond-strength-between-auto-polymerized-acrylic-resin-and-acrylic-denture-teeth-treated-with-mf-ma-solution
#18
Ticha Thongrakard, Chairat Wiwatwarrapan
PURPOSE: This study evaluated the effect of chemical surface treatment using methyl formate-methyl acetate (MF-MA) solution on the tensile bond strength between acrylic denture teeth and auto-polymerized acrylic resin. MATERIALS AND METHODS: Seventy maxillary central incisor acrylic denture teeth for each of three different brands (Yamahachi New Ace; Major Dent; Cosmo HXL) were embedded with incisal edge downwards in auto-polymerized resin in polyethylene pipes and ground with silicone carbide paper on their ridge lap surfaces...
August 2016: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/27555896/microtensile-bond-strength-and-micromorphologic-analysis-of-surface-treated-resin-nanoceramics
#19
Joon-Ho Park, Yu-Sung Choi
PURPOSE: The aim of this study was to evaluate the influence of different surface treatment methods on the microtensile bond strength of resin cement to resin nanoceramic (RNC). MATERIALS AND METHODS: RNC onlays (Lava Ultimate) (n=30) were treated using air abrasion with and without a universal adhesive, or HF etching followed by a universal adhesive with and without a silane coupling agent, or tribological silica coating with and without a universal adhesive, and divided into 6 groups...
August 2016: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/27555895/shear-bond-strength-of-indirect-composite-material-to-monolithic-zirconia
#20
Fatih Sari, Asli Secilmis, Irfan Simsek, Semih Ozsevik
PURPOSE: This study aimed to evaluate the effect of surface treatments on bond strength of indirect composite material (Tescera Indirect Composite System) to monolithic zirconia (inCoris TZI). MATERIALS AND METHODS: Partially stabilized monolithic zirconia blocks were cut into with 2.0 mm thickness. Sintered zirconia specimens were divided into different surface treatment groups: no treatment (control), sandblasting, glaze layer & hydrofluoric acid application, and sandblasting + glaze layer & hydrofluoric acid application...
August 2016: Journal of Advanced Prosthodontics
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