ABSTRACT One area of technological advancement has been the shift from stainless steel hand tools to nickel‐titanium (Ni‐Ti) rotary tools. This paper aims perform an in vitro comparative study evaluate efficacy five endodontic manual and instruments such as Kerr files, Orodeka Plex V, ProTaper Flydent NiTi super files combination with ultrasonic E3D Diamantata EMS scaler used for root canal shaping. The following aspects were highlighted: effective removal smear layer (SL) dentinal tubules...

This study aimed to compare the color changes in two different orthodontic clear aligner systems after submersion various beverages for 14 days. The tested were Taglus Premium made of polyethylene terephthalate glycol (the TAG group) and CA® Prodin+ a transparent copolyester thermoplastic elastomer PRO group). A total 56 samples firstly divided into groups according system—TAG PRO. Each group was subsequently four subgroups immersion solution: A—artificial saliva, B—cola, C—coffee, D—red...

The aim of the present study was to assess by atomic force microscopy (AFM) surface roughness a traditional glass ionomer cement- GIC (Fuji IX GP, GC Corporation, Tokyo, Japan) and resin modified RMGIC (Vitremer, 3M ESPE, St. Paul, MN, USA) after different immersion regimes on some acidic drinks. Sixteen cylindrical samples having height 5 mm thickness 2 were obtained from each material they divided into two groups: Group I samples) II (Vitremer samples). Specimens group then randomly 4...

This study aimed to evaluate the pathological factors and anatomical variations in maxillary sinus patients undergoing dental implant treatment using cone beam computed tomography (CBCT). CBCT, as a key imaging technique dentistry, offers high-resolution images assess bone morphology quality, crucial for preoperative planning. Material methods: The included cohort of 200 recommended CBCT part their evaluation. methodology involved detailed image analysis identify document various due...

The aim of this in vitro study was to evaluate the effect hydrochloric acid associated with abrasive toothbrushing on surface condition three flowable composite resins used for direct restoration. Seventy samples each resin: Grandio Flow (VOCO, Germany)-group A, Filtek Ultimate (3M-ESPE, MN, USA)-group B, G-aenial Flo X (GC Europe)-group C were prepared, submersed 30% 60 min and then submitted simulated procedure using 5000 cycles toothbrushes medium hard bristles, immediately after chemical...

This in vitro study aimed to assess the erosive effect of hydrochloric acid association with toothbrushing procedure on surface condition three bulk-fill composite resins used for direct restoration. A total 480 samples (160 from each resin): X-tra Fil (VOCO, Germany)—group A, Filtek Bulk-fill Posterior (3M-ESPE, St. Paul, MN, USA)—group B, G-aenial (GC Japan)—group C were prepared, submitted chemical attack 60 min 30% and, subsequently, abrasive using 10,000 cycles medium and hard bristles,...

Introduction: The aim of this in vitro study was to compare the quality marginal sealing at cervical margins indirect and direct composite resin restorations mesio-occluso-distal (MOD) cavities. Material method: MOD preparations were performed on 30 extracted teeth. mesial margin each tooth relocated using a flow (Enamel Plus HRi Flow, Micerium, Avegno, GE, Italy), then samples divided into three groups. In group A, cavities directly restored nanohybrid (Miris 2 Coltène Whaledent,...

Background and Objectives: The aim of this in vitro study was to evaluate the combined effect a 2% chlorhexidine aqueous solution universal adhesive system applied self-etch etch-and-rinse strategies on composite resin–dentin interface. Materials Methods: Class V cavities were prepared facial lingual surfaces forty caries-free molars extracted for orthodontic reasons. samples randomly divided into two groups corresponding used etching protocol: I—etch-and-rinse; II—self-etch. In each tooth,...

The aim of the study was to evaluate antibacterial activity and surface hardness a light-activated microhybrid composite resin modified with green silver nanoparticles (AgNPs). AgNPs were synthesized using an Equisetum sylvaticum extract characterized through different methods such as UV-Vis, EDX, FTIR. obtained mixed (Herculite XRV, Kerr Corp., Orange, CA, USA) in concentrations: 0% (group A-control); 0.5% B); 1% C); 1.5% D). A total 120 disk-shaped samples divided into 4 groups (n = 30)...

The aim of the study was to compare marginal adaptation three different resin-based materials used for direct restoration: hybrid composite resin (Gaenial Posterio, GC Corporation), a compomer (Dyract eXtra, Dentsply Sirona), and giomer (Beautifil II, Shofu Dental) applied at room temperature or after preheated preheating 50 60oC. Class II cavities were prepared on proximal surfaces extracted teeth randomly divided in 3 groups according material restoration. In each group five restored using...

There are two main methods used for dentin hypersensitivity (DH) treatment: dentinal tubule occlusion and blockage of nerve activity. Dentifrices the most common vehicles active ingredients DH treatment. The aim this study was to evaluate efficacy three toothpastes on occlusion, mineral acquisition, hardness. Forty human disks were submerged in 40% citric acid 30 s then exposed tooth brushing 2 min twice a day 14 days using toothpastes: Dontodent Sensitive (group 1), Dr. Wolff’s Biorepair...

Background and Objectives: The aim of this in vitro study was to evaluate the effect gastric acid associated with toothbrushing on surface roughness different types composite resin used for direct restorations. Materials Methods: materials were two microhybrid (Filtek Z250, Herculite XRV) nanohybrid Z550, XRV Ultra) resins. Two hundred forty cylindrical samples a height 2 mm diameter 6 divided into four groups (groups A, B, C D) corresponding each tested material (n = 60). Each group...

The aim of the study was to evaluate surface characteristics, after finishing and polishing with 3 different systems, a universal nanocomposite material, starting from microstructure experimentally analyzed by atomic force microscopy.

The aim of this study was to evaluate the postoperative effect one bleaching agent containing 40% peroxide hydrogen on interface between dental tissues and a microhybrid composite resin bonded with universal adhesive applied in total-etch self-etch technique. Standardized Class V restorations were performed oral surfaces 40 extracted human molars gingival margins placed bellow cement-enamel junction. For 20 preliminary etching for others by using Half samples each group bleached Opalescence...

The present study was conducted to evaluate the effects of common drinks consumed by patients (Coffee, Coca-Cola, Black Tea) on different types composite restorations, finishing and surface sealing (nanocomposites, nanohybrids, ormocers) regarding color changes. 45 specimens materials (Nanoceramic, Nanocomposite Nanohybrid) were made divided into 3 groups G1-control group, G2 - finished in 2 stages, G3 glaze coated. LOVIBOND RT 300 portable spectrophotometer used determine following CIELAB...

Background and Objectives: The aim of this in vitro study was to evaluate the effect simulated gastric acid associated with toothbrushing on surface condition three resin-modified glass-ionomer cements (RMGIC). Materials Methods: One hundred sixty samples each material were obtained included groups according tested material: Group I (Ionolux, VOCO GmbH, Cuxhaven, Germany); II (Vitremer, 3 M-ESPE, St. Paul, MN, USA); III (Fuji LC, GC Corporation, Tokyo, Japan). submersed hydrochloric 0.01 M...

This study aimed to compare the accuracy of linear measurements obtained using classical (manual) method versus cone-beam computed tomography (CBCT) in craniofacial anthropometry, specifically targeting infraorbital foramen (IOF).

Background: The aim of this study was to evaluate the influence acidic beverages on mechanical properties various dental resin-based materials. Methods: A total number 160 samples were prepared using four types materials—Group (n = 40): flowable composite, Group B heavy-flow C sealant and D nano-hybrid composite. Then, distributed into subgroups according submersion solution: a 10): artificial saliva, b coffee, c cola d red wine. Vickers microhardness, Young’s modulus elasticity scratch...

The aim of the study was to evaluate effects a 2% chlorhexidine digluconate solution on glass-ionomer cement (GIC) - dentin interface subjected simulated cariogenic attack. Forty extracted teeth were used in study. On each proximal surface box-only cavity prepared. Each initially conditioned using GC Dentin Conditioner (GC Corp., Tokyo, Japan), then distal cavities pre-treated with Chlorhexidine solution. All restored GIC Fuji IX GP Capsule Japan). Half samples (n=40) submersed lactic...

The associations of ethylenediaminetetraacetic acid (EDTA) and citric (AC) with sodium hypochlorite (NaOCl) are combinations used for cleaning disinfecting the root canals. aim this in vitro study was to evaluate by AFM effect 20% EDTA 40% AC associated 5,25% NaOCl canal SL removal on dentine surface rough-ness. Fifteen extracted single-root teeth were randomly divided into 3 groups according irrigation method: Group 1, samples irrigated 5 mL 5.25% followed solution 1min; 2, irri-gated 0.9%...

Aims of study. The aims study were as follows: assessment esthetic, functional and biological FDI indices posterior composite restorations; decisions for non-intervention vs. repair/replacement the restorations. Materials method. retrospective was performed on a group 69 patients (mean age: 25.31± 4,45 yrs; gender: 36 males, 33 females) that treated various dental pathologies in Odontology-Periodontology, Fixed Restorations Clinical Learning Base Faculty Dental Medicine, U.M.F. Grigore...

Aim of study was to compare the clinical visual and radiographic diagnostic technique with histological analysis early proximal carious lesions. Materials method. Study group included 96 surfaces (48 teeth obtained from dental extractions for orthodontic or periodontal reasons). The were examined by examen examen. A assessment performed as gold standard. sensivity specificity values calculated analysed using McNemar test, significance threshold p 0.05. Results. Significant statistical...

The aim of this study was to evaluate the potential coloring two commercial beverages: coffee and wine, cigarette smoke, on three materials (ICON infiltration resin, MI Varnish Recaldent, a sealant based composite resin) currently used in incipient caries therapy. group included 75 extracted teeth that were divided into 3 groups corresponding each material used. 5 subgroups corresponded colorant (A. red B. coffee, C. D. association colorants, E. control group). coloration degree samples...

The aim of the study was to assess protective effect applying potassium iodide (KI) over silver diamine fluoride (SDF) on demineralized root dentin in case a sustained acidogenic attack.Forty caries-free third molars were used study. A diamond disc separate roots and tooth crowns from roots. Each fragment randomly distributed one four groups: C-samples not demineralized; DD-demineralized samples; RS1-demineralized samples covered with SDF+KI (RS-Riva Star product, SDI limited, Bayswater,...

The aim of this study was to evaluate the influence different finishing and polishing systems composite resins structure on surface state restoration. Cylindrical samples from two (Filtek Z 550 Filtek 250, 3M ESPE) were obtained. In group 1 not finished polished. groups 2-4 submitted procedure using tungsten carbide burs, then polished three systems: steps diamond abrasive polishers (Kenda CGI, Lichtenstein) - 2, one step silicon particles brush (Occlubrush, KerrHawe SA, Switzerland) 3...