This randomized double-blind clinical trial compared tooth sensitivity (TS), bleaching efficacy, and cytokine levels after applying in-office treatments containing 15% 35% hydrogen peroxide (HP15% HP35%, respectively). Twenty-five volunteers were randomly assigned to receive HP15% or HP35% treatment. The agent was applied in three 15-min applications per session. Two sessions separated by a 1-week interval. participants scored TS using visual analog scale numerical rating scale. Bleaching...

Introduction: The primary stability and insertion torque of osseintegrated implants is fundamental to the success osseointegration, especially in cases where a prosthesis with immediate load installed. Objetive: This study aimed assess influence macrogeometry two implant types on stability. Materials Methods: utilized 40 implants, comprising 20 conical cylindrical, divided into four experimental groups. These were installed by single operator, synthetic bone block following manufacturer's...

Introdução: A ocorrência de metástase em cavidade oral tumores malignos é considerada rara e representa menos 1% todas as malignidades rela-tadas nesta região. As fontes primárias mais comuns metastáticos para a região são mama, pulmão rim. Objetivo: O objetivo deste traba-lho realizar uma revisão literatura quanto à das metástases câncer mama oral. Metodologia: seleção dos artigos composição da amostra foi realizada partir bases dados SciELO (Scientific Electronic Library Online), PubMed...

O objetivo deste estudo foi realizar uma revisão sistemática da literatura sobre a precisão e satisfação das técnicas de moldagem digital convencional em prótese parcial fixa. Seguindo as recomendações PRISMA estratégia PICOS, realizada busca eletrônica nas bases dados internacionais MEDLINE/PUBMED, LILACS SCIELO março 2024. Foram incluídos apenas estudos clínicos ensaios randomizados (ECR) que compararam convencionais digitais desdentados parciais, publicados inglês nos últimos 10 anos. A...

Abstract The aim of this study was to assess the oral condition individuals diagnosed with COVID-19 and its impact on their quality life. cross-sectional participants were patients or without a diagnosis COVID-19, room air, conscious, admitted ICUs wards Public Hospital Units in São Luís, Maranhão, Brazil. data collected included: demographic information, length stay, comorbidities, type diet, obtained from medical records; Oral Health-Related Quality Life (OHRQoL) [Oral Health Impact...

O objetivo deste estudo foi realizar uma revisão sistemática da literatura sobre a precisão na transferência posição do implante em desdentados parcial utilizando o fluxo digital. Esta realizada seguindo as recomendações PRISMA e pergunta principal executada segundo estratégia PICOS. A busca eletrônica nas bases de dados internacionais MEDLINE/PUBMED, LILACS SCIELO, no mês maio 2022. Como critério inclusão, foram considerados apenas ensaios clínicos randomizados (ECR estudos comparação...

The aim of the study was to evaluate, by means push-out test, effect anatomical customization fiber post on bond strength a self-adhesive resin cement. Twelve endodontically treated, human, upper central incisors were randomly divided into two groups (n = 6): control (glass posts cemented with Relyx® U200) and customized anatomically translucent composite Relyx U200). roots sectioned three slices, cervical, middle, apical, photographed digital camera attached stereomicroscopic loupe. images...

The purpose of this study was to investigate whether immersion a denture surface in lemongrass extract (LGE) has effects on C. albicans biofilms, human cell viability and surface. Minimal inhibitory concentration (MIC) minimal fungicidal (MFC) were performed for LGE against albicans. For biofilm analysis, discs fabricated using acrylic resin with roughness standardization. biofilms developed saliva-coated discs, the at MIC, 5XMIC, 10XMIC investigated during formation after maturation....

The adhesive systems and the techniques currently used are designed to provide a more effective adhesion with reduction of protocol application. objective this study was evaluate bond strength universal on enamel in different etching modes (self-etch total etch).The mesial distal halves 52 bovine incisors, healthy, freshly extracted, were divided into seven experimental groups (n = 13). treated accordance following conditions: FUE-Universal System - Futurabond U (VOCO) etching; FUWE without...

ABSTRACT Aim To evaluate the effectiveness of five different mouthwashes through measurement plaque index. Materials and methods Fifty subjects took part in this blind study, randomized into blocks groups according to active ingredient mouthwash: CHX group (0.12% chlorhexidine gluconate), essential oils (EO) group, cetylpyridinium chloride (CPC) Tri (triclosan) Hamamelis virginiana (HV) group. All were evaluated for a reduction bacterial index at 7, 14 21 days. Results There was significant...

ABSTRACT Objective The aim of this study was to evaluate the association between tooth loss and signs symptoms temporomandibular disorders (TMDs). Materials methods One hundred fifty patients with an average age 49.2 (±14.06) years were divided into three groups (n = 50/group) according degree loss: GI (dentate – control), GII (edentulous), GIII (partially dentate). After performing anamnesis clinical examination, a questionnaire used, so that could fill in information on TMD. analyzing...

OBJECTIVES: The purpose of this in vitro study was to evaluate misfit alterations at the implant/abutment interface external and internal connection implant systems when subjected cyclic loading. MATERIAL AND METHODS: Standard metal crowns were fabricated for 5 groups (n=10) assemblies: Group 1, hexagon UCLA cast-on premachined abutment; 2, 3, octagon prefabricated 4, 5, Ceraone abutment. For 3 cemented on abutments group 4 screwed directly implant. specimens 500,000 cycles 19.1 Hz frequency...

This study compared time to correction of mandibular anterior crowding using two arch wire sequences, one with conventional nickel-titanium (NiTi) wires and the other NiTi heat-activated wires. Twenty-two boys girls (mean age: 16.68 ± 2.66) moderate (3–6 mm) were assigned randomly groups followed up for five months (six assessments) when changed. Time was analyzed statistically Kaplan-Meier method. Data collected during five-month follow-up, between log rank test. At end corrected in 100%...

This study aimed to compare the flexural strength, surface roughness, and microhardness of a resin for three-dimensional (3D) printing conventional composite evaluate whether orientation influences these properties. To resistance, test specimens were produced divided into four groups: three groups resins 3D with inclinations 0°, 45°, 90° one group resin. Forty discs subjected sandpaper-polishing sequence, roughness was measured using meter. The Vickers (HV) performed at different points,...

The purpose of this study was to evaluate the influence surface treatment and different types composite resin on microshear bond strength repairs.Seventy-two specimens (n=72) were prepared using a nanoparticle stored in artificial saliva at 37 ± 1°C for 24 h. After period, (n=24) restored with microhybrid P60 (3M ESPE), Filtek Z350 Bulk Fill Surefil SDR Flow (Dentsply) resins. Previously, surfaces samples treated, forming following subgroups (n=12): (A) conditioned 37% phosphoric acid 30 s,...

INTRODUCTION: Esthetic post and core systems were recently introduced. There are few reports regarding their behavior under cyclic loading. OBJECTIVES: This study compared the effect of loading on survival rate, residual strength mode fracture endodontically treated teeth restored with esthetic direct metallic subjected to mechanical MATERIALS AND METHODS: Thirty canines treated, decoronated prepared for metal free ceramic crowns, leaving 1.5 mm dentin ferrule effect. They distributed in 3...

ABSTRACT Objective The aim of this in vivo study was to radiographically evaluate the proximal contour composite resin restorations performed using different matrix systems. Materials and methods Patients with premolars needing class II type involving marginal ridge were selected. Thirty selected randomly divided into three groups (n = 10 each) receive systems: group 1: metal coupled a carrier wood wedge (G1-MMW); 2: sectioned precontoured elastic (G2-SME); 3: polyester strip reflective...

Many orthodontic patients request dental bleaching during treatment to achieve a faster aesthetic resolution, however, no attention has been paid the inflammatory processes that can occur when both therapies are indicated together. So, this clinical trial evaluated parameters and color alterations associated with in wearing fixed appliance.Thirty individuals aged between 18 40 years were equally randomly allocated into three groups: FOA (fixed appliance), BLE (dental bleaching), + appliance...

The study aimed to compare the shaping effects, preservation of original curvature, and transportation apical foramen Reciproc (VDW, Munich, Germany), UnicOne (Medin, Nové Město na Moravě, Czech Republic), Protaper Universal (Dentsply Maillefer, Ballaigues, Switzerland) in simulated root canals. Thirty resin blocks with curved canals were distributed into three groups (n = 10), prepared using (RCp), (UnO) (PTu). Standardized photographs taken before after instrumentation, which they...

This study aimed to validate the internal structure of Brazilian version Baecke Habitual Physical Activity Questionnaire.A cross-sectional was conducted with individuals over 18 years old both sexes, Portuguese as their native language. The Questionnaire tested by confirmatory factor analysis. model fit evaluated following indices: root mean square error approximation, comparative index, Tucker-Lewis standardized residual, and χ²/degrees freedom. We used Akaike information criterion Bayesian...

This study aimed to compare the flexural strength, surface roughness, and microhardness of a resin for three-dimensional (3D) printing conventional composite evaluate whether orientation influences these properties. To resistance, test specimens were produced divided into four groups: three groups resins 3D with inclinations 0°, 45°, 90°, one group resin. Forty discs subjected sandpaper-polishing sequence, roughness was measured using meter. The Vickers performed at different points, average...