The primary reasons for lack of prescription of CBCT entailed large price (80%), higher level of diligent absorbed dose (27.6%), inadequate number of CBCT centers (46.3%), while the lengthy length associated with the process (15.6%). Conclusion CBCT is an advantageous imaging technique in dentistry. Thinking about the increased application of CBCT in dental care, going to workshops may help train dentists to make use of the method. Copyright© Dental Analysis Center, Tehran University of Health Sciences.Objectives This study aimed to assess the shear bond power (SBS) of molar tubes to your enamel area of molar teeth utilizing a resin-modified glass ionomer (RMGI) cement altered with amorphous calcium phosphate (ACP). Materials and Methods selleck inhibitor In this in-vitro study, 60 extracted human third molars were randomly split into four teams for bonding of molar tubes to the enamel surface. Fuji Ortho LC and Fuji Ortho LC modified with ACP (1.55 wtper cent) were utilized in teams 1 and 2, respectively. In group 3, the enamel surface had been sandblasted, and bonding ended up being done using Fuji Ortho LC glass ionomer customized with ACP. In-group 4, molar pipes had been conventionally fused utilizing Transbond XT composite. The SBS had been measured using a universal assessment machine. Results The mean SBS of teams 1 to 4 ended up being 10.22, 6.88, 9.4, and 13.68 MPa, correspondingly. Only the SBS of group 1 was not considerably distinct from that of teams 3 and 4 (P>0.05). Comparison of adhesive remnant list (ARI) results of the groups revealed significant variations just between groups 1 and 4 (P less then 0.001) and between groups 1 and 2 (P=0.002). Conclusion The results revealed that the addition of ACP to Fuji Ortho LC considerably decreased the SBS of molar tubes bonded to enamel set alongside the mainstream resin bonding system. Sandblasting regarding the enamel area substantially increased the relationship energy. Fuji Ortho LC modified with ACP is advised for bonding of molar tubes to posterior teeth deciding on its cariostatic residential property. Copyright© Dental Research Center, Tehran University of Healthcare Sciences.Objectives This study aimed to compare the optical properties of Zolid FX, Katana UTML, and lithium disilicate laminate veneers. Materials and techniques In this in-vitro experimental study, the maxillary left horizontal incisor of a phantom received a laminate veneer preparation. The feeling was made, and a die was fabricated making use of dental care rock. The die ended up being scanned making use of a computer-aided design/computer-aided production scanner. Ten dies were fabricated from each of the A1, A2, and A3 shades of composite resin. Laminate veneers had been fabricated utilizing A1 color of Katana UTML, Zolid FX, and IPS e.max CAD ceramics (n=10) and positioned on composite abutments making use of bleach and white colors of trial insertion paste (TIP). The optical properties had been calculated at the incisal, center, and cervical thirds making use of a spectrophotometer. Information had been reviewed using three-way analysis Genetic affinity of difference and Tukey’s test. Results the result of laminate product in the L*, a*, and b* variables was considerable in every areas (P less then 0.001), except for the L* parameter in the centre and cervical thirds. All color variables had been afflicted with Suggestion shade in every three regions in most samples (P less then 0.05). The consequence Blood Samples of composite abutment color was also considerable more often than not (P less then 0.05). The result of laminate product, abutment tone, and Idea color from the b* parameter ended up being significant (P less then 0.001). The L* parameter was very nearly similar into the two zirconia and lithium disilicate ceramic teams. Conclusion The composite abutment shade, Suggestion shade, and laminate product must certanly be very carefully chosen to realize optimal looks in laminate veneers. Copyright© Dental Research Center, Tehran University of Medical Sciences.Objectives to gauge the result of ozone as well as 2 common denture cleansers on top stiffness and relationship power of a silicone-based soft liner to acrylic denture base product. Materials and practices Sixty cylindrical specimens were fabricated making use of heat-cured poly-methyl methacrylate denture base resin. Three millimeters regarding the material ended up being floor from the midsection and filled up with the soft liner. The resistant liner specimens (n=40) utilized for the hardness test were 10 mm in diameter and 5 mm tall. Cylindrical and disc-shaped samples were arbitrarily divided into four groups (37°C distilled water, Corega® pills, 0.5% salt hypochlorite (NaOCl), and a house ozone generator). To simulate half a year of denture cleansing medically, samples had been put into their cleanser daily for half a year in accordance with the producer’s guidelines. All cylindrical specimens were placed under stress until failure in a universal assessment device at a crosshead speed of 5 mm/minute. For disc-shaped samples, stiffness ended up being calculated making use of a Shore-A durometer. The outcomes had been analyzed utilizing Kruskal-Wallis test, evaluation of variance (ANOVA), and Tukey’s post hoc test. Results The mean tensile bond strength was not considerably various one of the studied teams (P>0.05). The mean hardness when you look at the ozone and Corega tablet teams had been significantly less than compared to the control and NaOCl teams (P less then 0.05). Conclusion The type of denture cleanser doesn’t affect the tensile relationship strength of silicone soft liners. Residence ozone generators and cleansing tablets have less impact on the hardness of soft denture liners compared to 0.5% NaOCl. Copyright© Dental Research Center, Tehran University of Healthcare Sciences.Objectives This research aimed to assess the effect of application of two types of zirconia primers on fix relationship strength of composite to zirconia porcelain.