A5034530853- Dental materials and restorations
- Dental Implant Techniques and Outcomes
- Dental Research and COVID-19
- Orthodontics and Dentofacial Orthopedics
- Oral health in cancer treatment
- Antifungal resistance and susceptibility
- Dental Radiography and Imaging
- Obstructive Sleep Apnea Research
- Oral and gingival health research
- Occupational health in dentistry
- Temporomandibular Joint Disorders
- Dental Erosion and Treatment
- Agricultural and Food Sciences
- Periodontal Regeneration and Treatments
- Endodontics and Root Canal Treatments
- Anatomy and Medical Technology
- Analytical Chemistry and Chromatography
- Dental Health and Care Utilization
- Infective Endocarditis Diagnosis and Management
- Analytical chemistry methods development
- Phytochemistry Medicinal Plant Applications
- Science and Education Research
- Tracheal and airway disorders
- Dental Anxiety and Anesthesia Techniques
- Respiratory viral infections research
Universidade Católica Portuguesa
2019-2025
Universidade do Porto
2007-2022
Instituto Politécnico da Guarda
2019-2022
University of Dental Medicine
2022
University of Minho
2022
Hospital Privado
2016
Universidade Federal de Santa Catarina
2013-2014
Universidade de São Paulo
2008-2013
Institute of Applied Economic Research
2012
Universidade Federal do Rio de Janeiro
2011
Summary The aim of this study was to identify and characterize aetiological predisposing factors in denture‐related stomatitis (DRS), by means a case–control, transversal study, large cohort 140 persons wearing removable maxillary polymethylamethacrylate prostheses. Data were obtained (1) questionnaire that included the identification subject, demographic social data, medical history behaviour; (2) intra‐oral examination; (3) evaluation prosthesis; (4) microbiological (5) yeast analyses...
(1) Introduction: Apart from the polishing method, conventional or mechanized, arithmetic mean roughness (Ra) is most common metric to evaluate surface of denture base acrylic resins. An overview constraints related this parameter highlighted in study. This research introduces new parameters for accessing a functional analysis roughness. (2) Materials and Methods: Five samples CAD/CAM 3D-printed resins were prepared. Two techniques, manual mechanical, applied. Surface extracted profilometer...
Surface roughness is primarily determined by the inherent characteristics of a material, specific polishing protocol and manual operator’s dexterity. This research intends to conduct comparative analysis between conventional mechanized concerning surface its impact on topography. Thirty samples were included in this vitro study: six for each type acrylic resin. All specimens underwent method approach with controlled tool (CPT). Profilometric measures extracted: arithmetic mean height (Pa),...
Phospholipase and proteinase secretion in yeasts of the genus Candida has been described as a relevant virulence factor. Also, germ tube formation by albicans is associated with its invasive capacity considered an important pathogenic mechanism.To link production hydrolytic enzymes to produce infection, 232 clinical isolates from oral cavity 140 individuals wearing removable maxillary protheses were studied. The sample was composed 70 patients denture-related stomatitis (DRS) normal palatal...
Denture-related stomatitis (DRS) is the most common condition affecting removable-denture wearers, and Candida albicans frequent pathogenic agent. Systemic antifungal treatment indicated but recurrences are frequent. The aim of this study was to characterize oral load, fluconazole susceptibility profile genotypic variability C. isolates from patients with DRS before (T0), immediately after (Tat) 6-months follow-up (T6m). Eighteen presenting treated were followed at Faculty Dentistry Oporto...
The upper airways are formed by the nasal cavities, pharynx, and larynx. There several radiographic methods that allow evaluation of craniofacial structure. Upper airway analysis in cone-beam computed tomography (CBCT) may be useful diagnosing some pathologies such as obstructive sleep apnea syndrome (OSAS). OSAS prevalence has increased significantly recent decades, justified obesity average life expectancy. It can associated with cardiovascular, respiratory, neurovascular diseases,...
This investigation aims to determine the effect of same polishing protocol on surface roughness (Ra) different resins obtained by processing techniques. Acrylic CAD/CAM technology overcame disadvantages identified in conventional materials. A total thirty samples (six each resin): self-cured, heat-polymerized, injection molded, 3D-printed and milled were prepared. JOTA® Kit 1877 DENTUR POLISH was used polish two techniques: manual mechanized, with a prototype for guided exclusively developed...
Abstract Background Different processing techniques are employed to obtain poly (methyl methacrylate) (PMMA) with consistent surface quality in terms of topography and tribological function. The purpose this research is evaluate its influence on the height distribution. Methods In research, samples conventional CAD/CAM acrylic resins were prepared. following roughness parameters extracted from profilometric readings: arithmetic mean (Pa), skewness (Psk) kurtosis (Pku). Profilometric profiles...
Como conseqüência da grande difusão e utilização de plantas medicinais, as indústrias vêm fabricando produtos a base espécies vegetais, diversas formas farmacêuticas, que têm sido comercializados em farmácias casas naturais. No entanto, não há garantia para maioria destes produtos, quanto à sua eficácia, segurança qualidade, podendo trazer riscos saúde do consumidor. Assim, torna-se importante o estabelecimento protocolos padronizados controle qualidade fitoterápicos. Encontram-se...
To assess the accuracy and precision of prosthetically driven implant placement achieved through static computer-aided surgery by analyzing linear angular deviations implants.
Background: An enantioselective analytical method was developed and validated for determination of venlafaxine its metabolites O-desmethylvenlafaxine N-desmethylvenlafaxine in plasma samples. The employed LC–MS/MS analysis hollow-fiber liquid-phase microextraction (HF LPME) sample preparation. Results: After HF LPME optimization the following condition established: volume 4 ml, agitation at 1750 rpm, 20 min extraction, 0.1 mol/l acetic acid as acceptor phase, 1-octanol organic phase donor pH...
The purpose of this study was to evaluate, in situ, the initial adhesion microorganisms as well surface roughness and chemical composition ProBase Hot (Ivoclar Vivadent), a hard acrylic resin, Vertex Soft (Vertex-Dental), an acrylic-based soft liner, used removable dental prostheses.Equal sized disks were prepared polished according recommended procedures for clinical use. Two each material mounted individual oral splints exposed 4 hours cavities 15 participants. microbial material's...
News and reports about fraud plagiarism in science byscientific researchers have been published magazines andnewspapers with wide...
The preparation of rest seats must comply with specific sizes and shapes. Various technological systems such as Kavo PrepAssistant have been used an auxiliary method to evaluate preclinical preparations more objectively. aims this study were establish alternative system for evaluating occlusal compare different types assessment. Seventy‐six undergraduate students at Oporto University Faculty Dental Medicine in Portugal selected a convenience sample prepare two teeth #45 #46 (FDI World...
A new nitrosyl ruthenium complex [Ru(NH.NHq)(terpy)NO](3+) nitric oxide donor was recently developed and due to its excellent vasodilator activity, it has been considered as a potential drug candidate. Drug metabolism is one of the main parameters that should be evaluated in early development, so biotransformation this by rat hepatic microsomes investigated. In order perform study, simple, sensitive selective HPLC method carefully validated. The validation procedure were: linearity,...
Resumo A protese removivel e, com alguma frequencia (por condicionantes economicas, esteticas ou funcionais), a unica solucao para reabilitacao de arcadas desdentadas. colocacao uma provoca alteracao qualitativa e quantitativa da placa microbiana aumentando predisposicao dos seus portadores ao desenvolvimento determinadas patologias (carie dentaria, periodontopatias processos inflamatorios mucosa). Consequentemente, higiene oral protetica sao essenciais manutencao saude tecidos. Dos diversos...