Marginal sealing by enamel bonding is important to enhance the durability of restoration and prevent secondary caries after operative procedure. This study aimed evaluate acid resistance bond strength an experimental calcium-containing adhesive system. All materials were provided Kuraray Noritake Dental, Inc. (Tokyo, Japan). A primer (CaP) was formulated blending 10% CaCl2 into Clearfil SE Bond2 primer. The original (SEP) served as a control. Bond Protect (PBB) used agents. Human molar for...

Abstract Background Resin cements often require substrate-specific pretreatment. Recently, universal adhesive systems have been introduced, simplifying procedures by eliminating the need for multiple adhesives and offering options that do not light curing. This study investigated bonding performance of combined with dual-polymerising resin on enamel, dentin, zirconia, lithium disilicate ceramics (LDS), blocks. Methods Two cement combinations from same manufacturer were tested: Bondmer...

The purpose of this study was to evaluate the adherence biofilms surfaces two indirect resin composites, Estenia C&B and Gradia. Slabs were prepared from materials, then either ground with 800-grit silicon carbide paper or polished diamond pastes up 1 μm. Artificial Streptococcus mutans grown on composite slabs in an artificial mouth system for 20 hours. Thereafter, amounts retained biofilm measured after sonication. Surface characteristics resins—such as surface roughness, amount residual...

The surface properties of three different resin composite materials which influence Streptococcus mutans biofilm formation were evaluated using an artificial mouth system (AMS). Specimens prepared from Clearfil AP-X, Grandio, and Reactmer Paste, each material was divided into two groups: (1) ground with 800-grit silicon paper (SiC#800); or (2) polished up to 1-μm diamond paste (DP1 μm). Biofilms grown on the specimen for 20 hours, then subjected vortex agitation followed by measurement...

This study was conducted to enhance the tensile bond strengths of resin cements zirconia ceramics. Fifty-six ceramic specimens (Cercon Base) and twenty-eight silica-based (GN-1, GN-1 Ceramic Block) were air-abraded using alumina. Thereafter, divided into two subgroups 28 each according surface pretreatment; no pretreatment (Zr); internal coating technique (INT). For INT, coated by fusing ceramics Ceram Kiss). surfaces conditioned with/without a silane coupling agent followed bonding with one...

This study evaluated the influence of different light sources on efficiency an office bleaching agent containing visible-light activating titanium dioxide photocatalyst (VL-TiO2) using artificial discoloration tooth model. Extracted bovine teeth were stained by black tea. The CIE L*a*b* values measured before and after nine consecutive treatments VL-TiO2-containing (TiON in Office, GC, Tokyo, Japan). A halogen unit (CB; CoBee, GC) or LED (G-light, with two modes (blue violet: GL-BV, blue:...

The use of virtual reality simulation (VRS) is a new teaching modality in dentistry, and there scope for further research evaluating its under different educational programs. purpose this study was to evaluate how VRS with or without instructor feedback influenced students' learning skills related porcelain fused metal (PFM) crown preparation. In study, forty-three dental students their fifth year at Tokyo Medical Dental University, Tokyo, Japan, were randomly divided into three groups: the...

Non‐carious cervical lesions (NCCLs) involve various forms of tooth loss with different etiologies. This study aimed to utilize swept‐source optical coherence tomography (SS‐OCT) at 1300 nm wavelength range in vitro and vivo evaluate clarify the mechanism NCCLs. In phase, a dentin attenuation coefficient ( μ t ) derived from SS‐OCT signal NCCL was compared mineral obtained transverse microradiography (TMR) determine threshold discriminate demineralization . clinical study, 242 buccal...

The purpose of this study was to evaluate the role 10-methacryloyloxydecyl dihydrogen phosphate (MDP) contained in bonding resin a two-step self-etch adhesive system. An experimental (M0) containing MDP only primer, but not prepared. Clearfil SE Bond (MM) and M0 were compared terms microtensile bond strength dentin, ultimate tensile resin, dentin-resin interface morphology under SEM TEM. immediate µTBS values MM significantly decreased after thermal cycles while stable even 10,000 cycles. In...

Abstract – To evaluate the pulp healing to bacterial contamination beneath a hard‐setting calcium hydroxide (DY: Dycal, L.D. Caulk Co.) and self‐etching adhesive resin (2V: Clearfil Liner Bond 2V, Kuraray Medical Inc.) following dentin bridge formation. Class V cavities were prepared on 30 monkey teeth, pulps exposed with carbide bur through cavity floor. Each was capped either DY or 2V. The restored hybrid composite. composite removed at 180 days after capping, then left open oral...

The purpose of this study was to evaluate the inhibition biofilm formation on newly developed coating materials with self-cleaning properties. A series experimental containing fluoroalkylated acrylic acid oligomer (FAAO) were applied resin composite substrates. surfaces analyzed by X-ray photoelectron spectroscopy (XPS) and contact angle measurement. Biofilm surface assessed using Streptococcus mutans biofilms inside an oral simulator in vitro. results indicated that increase concentration...

Abstract In the current trend of materials used for dentin hypersensitivity treatment, calcium–phosphate‐containing desensitizers are expected to have advantages in oral environment. A newly formulated desensitizer containing tetracalcium phosphate and dicalcium anhydrous (CPD‐100) was evaluated comparison oxalate (SS) regarding permeability reduction (PR%) by measuring hydraulic conductance on etched discs vitro . CPD‐100 exhibited mean PR% 91%, which significantly increased 98% after...

PURPOSE To evaluate (1) the initial and long-term microtensile bond strengths of two-step self-etch adhesives with different degrees conversion (DC); (2) elastic modulus respective adhesive resins; (3) water sorption resins. MATERIALS AND METHODS Two adhesives, Clearfil SE Bond (CSE) 2 (CSE2) were used in this study. The DC was determined using ATR/FT-IR a time-based spectrum analysis. Midcoronal flat dentin surfaces 24 human molars prepared 600-grit SiC paper for strength (µTBS) testing....

PURPOSE To evaluate the influence of different surface treatments lithium disilicate glass ceramics on bonding efficacy three luting composites. MATERIALS AND METHODS A total 450 blocks e.max CAD (Ivoclar Vivadent) ground with 600-grit silicon carbide paper were prepared and divided into groups (n = 150) according to composite cements used: Variolink Esthetic DC (VE), Multilink Automix (MA), SpeedCEM (SC). Each group was further five subgroups 10) treatment performed: no (control), Monobond...

The effect of curing mode dual-cure resin cements on the tensile bond strength (TBS) universal adhesives to enamel, dentin, zirconia, lithium disilicate ceramics (LDS), feldspathic porcelain (FP), and a Pd-Au alloy was evaluated. substrates were bonded using Tokuyama Universal Bond (TUB) or Scotchbond Adhesive (SBU), followed by luting with Estecem II (ECII) Rely-X Ultimate (RXU), respectively, which used either in light-curing self-curing mode. TBS test performed after 24 h 5,000 thermal...

The purpose was to evaluate the effect of a hydrophilic amide monomer on μTBS one-step adhesive dentin at different application times. Clearfil Universal Bond Quick (UBQ), experimental (UBQexp; same compositions as UBQ but replaced with 2-hydroxyethyl methacrylate), SE ONE and were applied midcoronal prepared 600-grit SiC time (0, 10, 20 40 s). Water sorption (Wsp) ultimate tensile strength (UTS) polymerized adhesives also measured. showed significantly lower Wsp higher UTS than UBQexp. At...