Two tailed unpaired 't test' was used to compare marginal gaps in two groups and one way ANOVA was used to analyze marginal distortion within each group at 95% confidence interval. The initial stability was much affected by the implant design in bone types III, IV and the implant design such as the short pitch interval was beneficial to the initial stability of implants placed above the bone level. The specimens were stored in water at 25℃ for 24 hours, and then evaluated for their shear bond strength by universal testing machine (STM-5®, United Calibration, USA). A total of 40 men and 40 women were included in this study. In type II bone, the decrease in ISQ value per 1-mm increase in effective implant length of the Brånemark and Astra implants was less than that of the Straumann implant. Significant increase in tensile bonding strength with Silfix-Aquasil and VPS Tray adhesive-Imprint II combination until 10 and 15 minutes respectively. A brass die was prepared by simulating an edentulous maxillary arch. In this study, the difference in the stability of the implants was determined not by the differences in the surface treatment but by the individual specificity. In NON-MEDIA group, however, there were significant differences between female and male. New bone formation was evaluated using microcomputerized tomography and histological examination. 1988. pp. American Dental Association. Visit ScienceDirect to see if you have access via your institution. The type of metal-ceramic alloys affects the bond strength of porcelain. After surface treatment, the disks were veneered by composite resin (Tescera™, Bisco, USA) which is 5 mm in diameter and 3 mm in thickness. SEM was done to assess the surface cleanliness. The Journal of Advanced Prosthodontics ☰ Vol. The primers significantly (P < .05) improved the shear bond strengths of the heat cure resin to all metals. Group 2 and 5 showed relatively larger distortion value than other groups. Dent Mater 2008;24:522–529. An ala-tragus line and an occlusal line were drawn on the left side of the face to determine if these two lines were parallel. The purpose of this study was to determine the average facial proportions and mandibular movement capacity of 316 first-year dental students who carefully recorded them on each other. It is published by The Korean Academy of prosthodontics. 4 nano-treated surface implants (20 nm TiO(2) coating surface, heat-treated 80 nm TiO(2) coating surface, CaP coating surface, heat treated CaP coating surface) and 3 micro-treated surface implants [resorbable blast media (RBM) surface, sandblast and acid-etched (SAE) surface, anodized RBM surface] were used as experiment groups. Bone regeneration was observed in the SF and Bio-Gide®-treated groups to a greater extent than in the control group (mean volume of new bone was 5.49 ± 1.48 mm(3) at 8 weeks). The drying time was designed to air dry, 5 minutes, 10 minutes, 15 minutes, 20 minutes, and 25 minutes. The purpose of this study was to compare the accuracy of the implant master cast according to the type (pick-up, transfer) and the length (long, short) of the impression copings. Five vertical and six horizontal distances were measured on each subject's face. Chemical disinfection with sodium hypochlorite seems to be a safer method of disinfection with regards to physical properties such as changes in dimensional stability. The analysis of variance was performed using the SPSS (v 12.0) program (α = .05), and the statistical significance was set at P < .05. Statistical analysis was performed with the use of Kaplan-Meier analysis, Chi-square test and odds ratio. Aytac F, Karaarslan ES, Agaccioglu M, Tastan E, Buldur M, Kuyucu E. Effects of novel finishing and polishing systems on surface roughness and morphology of nanocomposites. It is the official journal of the American College of Prosthodontists, the American Dental Association-recognized voice of the Specialty of Prosthodontics. The closed tray and the resin-splinted open tray technique showed significantly different vertical gaps according to the angulation of implant (P < .05), but the A-F impression technique did not (P > .05). Periotest® & ISQ values measured for 8 weeks and all animals were sacrificed at 8 weeks after surgery. Every specimen of G3, G5, IR3 and IR5 was fractured on the solder joint area. 82 2 440 7518, Email: ysprosth@hanmail.net After 6 months of function, silicone impressions were taken and stone models were fabricated for each restoration group. Takeshige F, Kawakami Y, Hayashi M, Ebisu S. Fatigue behavior of resin composites in aqueous environments. Braz Dent J 2012;23:508–514. This variation may be associated with the lack of standardization of the preparation of teeth, computerized designing of the coping for each tooth, cement used, uniform pressure application during the cementation of the copings, sectioning of the copings and the microscopic measurements. Experimental disc samples (20.0×3.0 mm) of tissue conditioner (GC Soft-Liner, GC cooperation, Tokyo, Japan) containing 0.1 - 3.0% silver nanoparticles (0%: control) were fabricated. Maximum jaw opening averaged 51.2 mm which was 3.0 times larger than maximal hinge opening of 17.2 mm. 8-9. All 24 implants were placed in 3 adult dogs. Fasbinder DJ, Neiva GF. Measurements recorded at 9 predetermined points showed variations for the three groups. This study was aimed to evaluate the relationship between width and height of buccal soft tissue around single and 2 adjacent implant restorations. Dr. Reshad is currently on the editorial board on various journals including the Journal of Aesthetic and Restorative Dentistry. Repeated firings (3, 5, 7, or 9) were performed, and the color of the specimens was compared with the color after the initial firing. Model 1: Implant with 3 mm titanium abutment, Model 2: Implant with 2 mm polyoxymethylene resilient material abutment, Model 3: Implant with 3 mm polyoxymethylene resilient material abutment and Model 4: Implant with 4 mm polyoxymethylene resilient material abutment. However, there is a lack of information on how color is affected by fabrication procedure. Total 240 of test specimens were prepared by auto-polymerizing tray material (Instant Tray Mix, Lang, Wheeling, Il, USA) with 10 specimens in each group. Restorative resin materials (Z350, Z250) showed higher VHN values than resin cement materials (VL, VLC). Thermocycled groups showed lower microtensile bond strength than non-thermocycled groups (P<.001). The purpose of this study is to evaluate the shear bond strength between the veneering composite resin and commercial pure (CP) Ti / Ti-6Al-4V alloy according to the method of surface treatment. The denture bases without and with relining were divided into 2 groups (each n = 20). Toledano M, Osorio R, Osorio E, Fuentes V, Prati C, Garcia-Godoy F. Sorption and solubility of resin-based restorative dental materials. Several literatures have documented immediate function with provisional or definitive prosthesis within a week of the placement in response to these demands. The remaining portion of the impression was poured with the gypsum material. Specimens without the primer were also prepared and used as the controls. PURPOSE Books Chapters Articles Supplementary Access Type. Vicker's microhardness numbers (VHNs) were measured on the bottom surfaces by a microhardness tester. The overall rank of Journal of Advanced Prosthodontics is 7906. The effective implant length and the Implant Stability Quotient (ISQ) were compared using simple linear regression analysis. This article describes a modified technique to fabricate the soft tissue cast for the conventional fixed partial denture. This article presents immediate implant placement into fresh extraction sockets followed by functional immediate loading with provisional prosthesis on canine and premolars for a patient having canine protected occlusion. After the resin cement was bonded to the zirconia using a Teflon mold, photopolymerization was carried out. Light-post) cementation and core foundation; in group DMO, these procedures were performed simultaneously in one step, while DMT group was accomplished in separated two steps. Individual crowns with loop were made from base metal alloy. The aim of this study was to evaluate the effect of dimensional stability of splinting material on the accuracy of master casts. Fleming GJ, Awan M, Cooper PR, Sloan AJ. 11 (2019) No.6 December; No.5 October; No.4 August Thirty five dumbbell shaped Ni-Cr alloy specimens were prepared and assigned to 5 groups according to the soldering method and the gap distance. We aimed to identify a more esthetic width-to-length ratio by analyzing maxillary central incisor of Korean adult population. ISSN: 2005-7814: OCLC Number: 725474125: Other Titles: JAP Advanced prosthodontics In the control group, there was a significant difference in the ISQ values of the 3 implants in bone types III and IV (P<.05). To compare the effect of sodium hypochlorite and microwave disinfection on the dimensional stability of denture bases without and with relining. The effect of artificial aging on Martens hardness and indentation modulus of different dental CAD/CAM restorative materials. (SPSS Inc., Chicago, USA). Within the limitations of this study, it was concluded that both techniques produced copings with comparable and acceptable marginal fit and marginal stability on firing veneering porcelain. Education level and prosthesis type did not significantly influence the GPA-pa SF score at any time point analysed (P>.05). English. 2019 Apr;11(2):128-137. While other HPV-infected lesions such as squamous papilloma, verruca vulgaris, and condyloma acuminatum involve the skin, oral mucosa, and genital mucosa, FEH occurs only in the oral mucosa. The Journal of Advanced Prosthodontics. Latest Issues: https://doi.org/10.4047/jap.2019.11.2.128. 2019 Dec;11(6):350-357. https://doi.org/10.4047/jap.2019.11.6.350 Each group of 24 samples was subdivided at 2, 4, and 8 weeks after implantation. The aim of this study was to evaluate the influence of resin cement thickness on the microtensile bond strength between zirconium-oxide ceramic and resin cement. 12 (2020) No.5 October; No.4 August; No.3 June; No.2; Vol. The purpose of this study was to evaluate the effects of various dentin ceramic thicknesses and repeated firings on the color of zirconium oxide all-ceramic system (Lava™) fabricated using CAD/CAM technology. The number of firings and dentin ceramic thickness have a definite effect on the final color of all ceramic system tested. The silicoated group showed the highest value in shear bond strength of Ti-6Al-4V alloy, metal conditioner treated group, sandblasted group, TiN coated group, in following order. El Gezawi M, Kaisarly D, Al-Saleh H, ArRejaie A, Al-Harbi F, Kunzelmann KH. In addition, the correlations between the speech intelligibility values and acoustic variables were analyzed. The ANOVA showed that the pick-up type impression coping exhibited a significantly lower error rate than the transfer type. Within the limitations of this study, the pick-up type impression coping exhibited a more accurate implant master cast than the transfer type in parallel group. Dentistry - Polymer-based restorative materials. A higher prevalence of favorable fractures was detected in group DMT but there were no significant differences between the groups. Participants answered the GPA-pa SF before restoration (T0) and 1 day (T1), 2 days (T2), 15 days (T3), 1 month (T4), and 2 months (T5) after prosthesis insertion. 3. Braz Dent J 2006;17:285–289. Focal epithelial hyperplasia (FEH) is a human papillomavirus (HPV)-induced alteration of the oral mucosa that presents with a clinically distinct appearance. The mean shear bond strengths of control group and IDS/SE group were not statistically different from another at 14.86 and 11.18 MPa. However, further studies are needed on the correlation between speech intelligibility tests and objective acoustic parameters. This study evaluated marginal fit of glass infiltrated alumina cores fabricated using two techniques and their marginal stability after firing cycles of veneering porcelain. Moreover, even after thermocycling treatment, SBS of Multilink group (M2) was higher than the other groups (C2 and U2). Prosthodontics. A few of studies which compared and continuously measured the stability of various surface treated implants in the same individual had been performed. The simplicity of this technique facilitates and justifies its routine use in fabrication of the fixed partial denture. Chinese Journal of Prosthodontics; European Journal of Prosthodontics; European Journal of Prosthodontics and Restorative Dentistry; International Journal of Prosthodontics; Journal of Advanced Prosthodontics; Journal of Indian Prosthodontic Society J Adv Prosthodont. Title D.O.I. Nanoscale Ti-Ta-Nb coatings exhibited significantly greater ALP specific activity and total protein production compared to the other 2 groups. This study is to investigate an appropriate drying time of tray adhesives by evaluating tensile bonding strength between two types of polyvinylsiloxane impression materials and resin tray, according to various drying time intervals of tray adhesives, and with different manufacturing company combination of impression material and tray adhesive. Mechanical fatigue degradation of ceramics versus resin composites for dental restorations. No significant gender differences were found in the width-to-length ratio in MEDIA group. The distance between ala to occlusal plane lines was 29.9 mm at the tragus and 31.3 mm near the ala. Resin-composite blocks for dental CAD/CAM applications. These occlusal errors can be corrected in two ways: i) in patient's mouth ii) by recording new centric relation and remounting dentures on an articulator. An increase in number of firings resulted in significant increase in L* values for both 0.5 mm and 1.5 mm thicknesses (P<.01, P=.013); however it decreased for 1 mm thickness (P<.01). The changes in dimensional stability after sodium hypochlorite disinfection were not significant for both denture bases without relining (t = 2.19; P=.056) and denture bases with relining (t = 2.17; P=.058). Information regarding tooth ratio in the Korean population may be useful to clinicians when restoring anterior teeth. According to SCImago Journal Rank (SJR), this journal is ranked 0.61. This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. In the second stage, the mean ISQ value of Osstell™ and Osstell™ Mentor was 71.76 and 75.94, respectively, also showing a significant difference (P < .01). It was used to fabricate 1.5 mm and 3 mm of thickness denture bases (n = 40). Significant difference was present between mean scores obtained at T0-T1 and T2-T3 than scores obtained at other periods (P<.05). Short and long term effects of additional post curing and polishing systems on the color change of dental nano-composites. J Oral Sci 2005;47:21–25. All the tests were performed at 95% confidence level. The b* values increased significantly for all thicknesses (P<.01, P=.022). 1. A 3D Finite Element Analysis of Bone Tissue in 3-Unit Implant-Supported Prostheses: Effect of Splinting Factor and Implant Length and Diameter The metal master cast was fabricated with three internal connection type implant analogs (Osstem GS III analog), embedded parallel and with 10° of mesial angulation to the center analog. The results revealed that at least 10 minutes is needed for Silfix-Aquasil, and 15 minutes for VPS Tray Adhesive-Imprint II, to attain an appropriate tensile bonding strength. Eventually, 40 experimental casts were produced. This case report highlights the importance of clinical examination and treatment planning which may mandate preprosthetic surgery prior to fabrication of a new conventional complete denture. Three Implant system (Brånemark System® Mk III TiUnite™, Straumann Standard Implant SLA®, and Astra Tech Microthread™-OsseoSpeed™) were tested. The Pearson correlation coefficient was used to examine the correlation between Osstell™ and Osstell™ Mentor in the first and second stages of surgery, whereas the difference between their ISQ values was evaluated using a paired t-test. The mean fracture strength was highest in group DCT followed in descending order by groups DMO, DMT, and LCT. But Multilink and Unicem had a significant difference (P<.05). Ti-Ta-Nb coatings were sputtered onto the Ti-Ta-Nb disks. Under tensional force the crowns were removed using an automated universal testing machine. The scope of Journal of Advanced Prosthodontics covers Dentistry (miscellaneous) (Q2), Oral Surgery (Q2). All methods of surface treatment were used in this study satisfied the requirements of ISO 10477 which is the standard of polymer-based crown and bridge materials. Department of Biomaterials & Prosthodontics, Kyung Hee University Hospital at Gangdong, Institute of Oral Biology, School of Dentistry, Kyung Hee University, 892 Dongnam-ro, Gangdong-gu, Seoul 05278, Republic of Korea. The ISQ values were showed increased tendency after 5 weeks in every groups. The acceptance rate of Journal of Advanced Prosthodontics is still under calculation. Specimens were cemented with Variolink® II resin cement. The Journal of Prosthodontics promotes the advanced study and practice of prosthodontics, implant, esthetic and reconstructive dentistry. The change of post or core foundation method does not appear to influence the fracture strength and failure patterns. In particular, the Alloy primer®, which contains the phosphoric acid monomer, MDP, might be clinically more acceptable for bonding a heat cure resin to titanium than a MR bond®, which contains the carboxylic acid monomer, MAC-10. Depending on thermocycling treatment, each group was divided into two subgroups (n=10) and SBS was measured by applying force at the speed of 1 mm/min using a universal testing machine. Liebermann A, Wimmer T, Schmidlin PR, Scherer H, Löffler P, Roos M, Stawarczyk B. Physicomechanical characterization of polyetheretherketone and current esthetic dental CAD/CAM polymers after aging in different storage media. All failures occurred at the resin-zirconia interface. Journal homepage The Journal of Prosthodontics is a peer-reviewed medical journal covering prosthodontics and restorative dentistry . Effects of surface conditioning on repair bond strengths of non-aged and aged microhybrid, nanohybrid, and nanofilled composite resins. The difference between the two groups was statistically significant. The difference between the ISQ values of 32 implants in each patient during the first and second stage was analyzed. ): GLUMA (49.02 ± 3.32) > Control (48.61 ± 3.54) > Tooth mousse (48.34 ± 2.94). Contact angle measurements were performed to assess wettability of various cleansing agents using the ADSA-CD technique. Disks of commercially pure titanium, Ti-6Al-4V alloy and a cobalt-chromium alloy were cast. Journal of Advanced Prosthodontics is a peer-reviewed scientific journal. It is the official journal of the American College of Prosthodontists, the American Dental Association-recognized voice of the Specialty of Prosthodontics. For the soldering methods, gas torch (G group) and infrared ray (IR group) were compared and each group was subdivided by corresponding gap distance (0.3 mm: G3 and IR3, 0.5 mm: G5, IR5). The 1.5 mm of thickness-specimens (n = 20) were relined with 1.5 mm of autopolymerizing relining resin. Polishing methods of an alumina-reinforced feldspar ceramic. However there is not clear mention of drying time of tray adhesive in achieving appropriate bonding strength of tray material and impression material. It serves both researchers and practicing clinicians by providing a forum for the presentation and discussion of evidence-based prosthodontic research, techniques, and procedures. Desensitizing agents were applied before cementation of crowns except for control group. The a* values increased for 1 mm and 1.5 mm thicknesses (P<.01), while it decreased for 0.5 mm specimens. Fabrication of complete dentures comprises of clinical and laboratory procedures that should be executed accurately for achieving success with fabricated dentures. A study on the changes in attractive force of magnetic attachments for overdenture Han-Wool Leem, In-Ho Cho, Jong-Hyuk Lee and Yu-Sung Choi: Department of Prosthodontics, College of Dentistry, Dankook University, Cheonan, Republic of Korea. Degradation potential of bulk versus incrementally applied and indirect composites: color, microhardness, and surface deterioration. The Journal of Prosthetic Dentistry is the leading professional journal devoted exclusively to prosthetic and restorative dentistry.The Journal is the official publication for 24 leading U.S. international prosthodontic organizations. The specimens were placed in the Universal Testing machine (Instron, model 3366, Instron Corp, University avenue, Nowood, MA, USA) to perform the tensile test (cross head speed 5 mm/min). Oper Dent 2016;41:e195–e208. However, the specimens primed with the Alloy primer® (MDP monomer) showed higher bond strength than those primed with the MR bond® (MAC-10 monomer) on titanium. Gajewski VE, Pfeifer CS, Fróes-Salgado NR, Boaro LC, Braga RR. In PTV, all implants were stabilized except 1 failed implants. In addition, Ti-Ta-Nb alloy and its nanoscale coatings enhanced osteoblast differentiation, but did not support osteoblast precursor proliferation compared to Ti-6Al-4V. However, they may exist intraorally as a thick broad fibrous attachment and/or become located near the crest of the residual ridge, thus interfering with proper denture border extension resulting in inferior denture stability, retention and overall patient satisfaction. Does artificial aging affect mechanical properties of CAD/CAM composite materials. These results indicate that the new developed Ti-Ta-Nb alloy and its nanoscale Ti-Ta-Nb coatings may be useful as an implant material. Articles from The Journal of Advanced Prosthodontics are provided here courtesy of Korean Academy of Prosthodontics Support Center Support Center External link. (3) Primary impression made with impression plaster and secondary impression were made over with polyether impression material. Z350 and Z250 showed higher values than VL or VLC (P<.01). And porcelain was applied on the center area of metal specimen. Considering the lower cost and lesser risk of infectious transmission from animal tissue, SF membranes are a viable alternative to collagen membranes for GBR. The porcelain fused to gold has been widely used as a restoration both with the natural esthetics of the porcelain and durability and marginal fit of metal casting. There was no statistical correlation between the ISQ values and PTV. Copings were compared between groups and within groups at coping stage and after firing each layer of veneering porcelain. Court domicile and place of performance: Chicago, USA. Sixty specimens were cut in 15 × 2.75 mm discs using zirconia.