J.Joao Mendes

Cooperativa de Ensino Superior Egas Moniz

A thorough understanding of surgical anatomy is essential for preparing and training medical students to become competent and skilled surgeons. While Virtual Reality (VR) has shown to be a suitable interaction paradigm for surgical training, traditional anatomical VR models often rely on simple labels and arrows pointing to relevant landmarks. Yet,...

Background: The concept of oral frailty has gained scientific and clinical relevance in recent years, and early detection can facilitate timely intervention to manage its progression. The Oral Frailty Index-8 (OFI-8) was developed to assess community-dwelling older adults at risk for oral frailty. Objective: This study aims to investigate the psych...

Parkinson’s disease (PD) is characterized by the progressive degeneration of dopaminergic neurons, leading to a range of motor and non-motor symptoms. Background/Objectives: Over the past decade, studies have identified a potential link between the microbiome and PD pathophysiology. The literature suggests that specific bacterial communities from t...

This study evaluates the impact of video-based approaches on health education. PUBMED, Web of Science, EMBASE, CENTRAL, and LILACS databases were searched from their inception until November 2022. Randomised controlled trials (RCTs) and non-randomized studies on interventions were included in this review. Studies were grouped according to their rep...

Aim: We aimed to explore whether there is an association between maternal perceived infant discomfort due to suggestive gastrointestinal alterations and oral-health-related quality of life (OHRQoL) through a survey. Materials and Methods: The present study included two main phases involving Portuguese-speaking parents with full-term infants aged 2–...

Objectives Photobiomodulation (PBM) is a laser-based therapy used to promote tissue repair, reduce inflammation and pain, and has been extensively studied in chemo- and radiotherapy-induced oral mucositis (OM). This review examines the level of evidence of systematic reviews (SRs) that have investigated PBM in such cases of OM. Materials and metho...

Background: Microbial dysbiosis may contribute to alpha-synuclein (α-Syn) homeostasis disruption, yet the burden of inflammatory periodontal infection and its treatment have never been studied in this regard. We aimed to compare the cytokine and α-Syn levels in the saliva and blood of patients with periodontitis who underwent non-surgical periodont...

Objectives The aim of the study was to explore the correlation between bite force and grip strength as measures of frailty in the elderly. Materials and Methods Elderly people completed a socio-demographic questionnaire, protocols for measuring bite force, handgrip strength using dynamometry and body composition analysis using electrical bioimpeda...

The aim was to evaluate the effect of different whitening toothpastes on the enamel surface roughness and color variation. Twenty-four molars were sectioned and divided into eight groups (n = 3) considering the following two factors under study: toothpaste type (Colgate® Total Original, Oral B® 3D White Luxe Perfection, Curaprox® Black is White, an...

The aim was to evaluate the effect of different whitening toothpastes on the enamel surface roughness and color variation. Twenty-four molars were sectioned and divided into eight groups (n = 3), considering the two factors under study: toothpaste type (Colgate® Total Original, Oral B® 3D White Luxe Perfection, Curaprox® Black is White, and Signal®...

Introduction: Periodontitis is a non-communicable chronic inflammatory disease with a systemic burden. Animal models of induced periodontitis help elucidate the mechanisms by which periodontal inflammation drives systemic effects. Studying this systemic involvement over longer follow-up periods may provide a strong foundation for future research on...

Abstract Background: The declaration of COVID-19 as a pandemic by the World Health Organization in 2020 led to the suspension of several clinical practices globally, including dentistry. This study investigates the impact of these restrictions on dental caries experience. Methods: A retrospective cross-sectional study was conducted at Egas Moniz U...

Satisfaction with learning management systems (LMSs) is an essential indicator of students' e-learning experiences and reflects the quality of e-learning. Applying the technology satisfaction model, the present study aimed to investigate medical and nursing students' satisfaction with LMSs and its predictors. We conducted our survey at a medical un...

The aim of this study is to assess how vertical skeletal malocclusion affects oral health-related quality of life (OHRQoL) among a sample of individuals comprising adolescents, young adults, and adults seeking orthodontic treatment. From January 2019 to March 2020, participants were consecutively enrolled. The assessment of OHRQoL involved measurem...

In 2020, following the World Health Organization's declaration of COVID-19 as a pandemic, dental practices faced unprecedented disruptions globally. This retrospective cross-sectional study, conducted at a leading university dental hospital in the Lisbon Metropolitan Area, investigated the impact of these disruptions on dental caries. The study, sp...

Background and objective: Age estimation is an important tool when dealing with human remains or undocumented minors. Although the skull, the skeleton or the hand-wrist are used in age estimation as maturity indicators, they often present a lack of good conditions for a correct identification or estimation. Few systematic reviews (SRs) have been re...

Revisão literária sobre as tecnologias de informação em saúde, nomeadamente, a sua implementação na área da medicina dentária, vantagens e desafios inerentes.

Objectives: To compare patient-reported outcome measures and additional surgical outcomes after sinus floor elevation (SFE) with osseodensification (OD) versus lateral window (LW), both with simultaneous implant placement. Materials and Methods: Twenty participants requiring single-implant rehabilitation with residual bone height (RBH) ≤4 mm were e...

Patients diagnosed with oral cancer frequently exhibit an increased likelihood of experiencing common dental conditions, lower dental health literacy, and a decline in their overall quality of life. However, there is limited understanding on the impact of oral health values on these patients. This study aims to explore the oral health status and th...

Age estimation is an important tool when dealing with human remains or undocumented minors. Although the skull, the skeleton or the hand-wrist are used on age estimation as maturity indicators, they often present lack of good conditions for a correct identification or estimation. Few systematic reviews (SRs) have been recently published; therefore,...

Dentistry has seen significant technical and technological advances in recent years [...]

The purpose of the endodontic treatment is to prevent and treat apical periodontitis and additional approaches may be necessary when this pathology persists. A weighted mean survival of 88% for intentional replanted teeth has been reported in a recent systematic review and meta-analysis . This treatment option consists of inserting the tooth in the...

A good oral health status is mostly dependent on good oral hygiene habits, which knowingly impacts systemic health. Although controversial, chemical oral antiseptics can be useful in adjunct use to mechanical dental plaque control techniques in the prevention and management of local and overall health and well-being. This review aims to revisit, ga...

One of the most common oral diseases and a public health concern is dental caries. Risk assessment and health factor identification are necessary for prevention. Our research focuses on evaluating how dental caries experience is affected by employability. Radiological, oral, sociode-mographic, and behavioral questionnaires were included in the inve...

In the elderly, many chronic diseases and systemic conditions, medications, and salivary dysfunctions, mostly caused by therapeutic radiation and chemotherapy, are associated with hyposalivation and xerostomia, affecting quality of life. The purpose of this study was to identify and evaluate potential factors associated with xerostomia and/or hypos...

Digital competence, a crucial aspect of online education, was studied among dental students at the Egas Moniz School of Health & Science. This study, in line with the Horizon Europe Strategic Plan 2021-2024, aimed to understand students' digital skills and competences in the context of higher education. A questionnaire was administered to 503 parti...

Halitosis is an unpleasant breath odor that interferes with self-confidence and with people’sprofessional and social lives. The aim of this cross-sectional study was to evaluate the impact oftongue coating on intra-oral halitosis in patients with periodontitis. The Winkel Tongue Coating Index(WTCI) score was found to be positively and significantly...

The aim of this study was to evaluate and quantify, in vitro, the extent of coronal dis- coloration induced by bioceramic materials over time. In total, 44 human monoradicular teeth were divided into four groups (n = 11), according to the applied material: Negative control (NC); White MTA ProRoot® (WMTAP); BiodentineTM (BD); and TotalFill® BC RRMTM...

Overall, the paper point method (a) produced results that were more variable and was found to be less effective (DNA concentrations below 10 ng/µL) ➢ The use of a curette (b) required prior anesthesia with local anesthetics, such as lidocaine or articaine, and did not provide a significant increase in extracted DNA concentration ➢ Thus, the method...

Currently, dental caries is not just one of the most common oral illnesses across the globe, but it also poses a significant obstacle in public health. To establish preventive measures, it is essential to conduct a risk assessment and identify health factors. The primary goal of this research is to evaluate how employability affects dental caries e...

Objectives: We aimed to test the psychometric validity of the adapted and translated Self-Management Ability Questionnaire-Short Form (SMAQ-12) to Portuguese. Methods: The translation and adaptation of the SMAQ-12 followed international guidelines. We included 280 participants with chronic periodontitis from the Department of Periodontology of t...

BACKGROUND The concept of oral frailty has gained scientific and clinical relevance in recent years, and early detection and intervention can prevent its onset. The Oral Frailty Index-8 (OFI-8) was developed to assess community-dwelling older adults at risk for oral frailty. OBJECTIVE This study aims to investigate the psychometric validity of the...

This umbrella review aims to appraise the methodological quality and strength of evidence on the association between maternal periodontitis and adverse pregnancy outcomes (APOs). PubMed, CENTRAL, Web-of-Science, LILACS, and Clinical Trials were searched until February 2023, without date or language restrictions. Two authors independently screened s...

Cell-based therapies using periodontal ligament stromal cells (PDLSC) for periodontal regeneration may represent an alternative source for mesenchymal stromal cells (MSC) to MSC derived from bone marrow (MSC(M)) and adipose tissue (MSC(AT)). We aimed to characterize the osteogenic/periodontal potential of PDLSC in comparison to MSC(M) and MSC(AT)....

The aim of this study was to compare the effectiveness of arthrocentesis followed by hyaluronic acid infiltration treatment (ASH) and mandibular exercise therapy (MET) in patients with symptomatic disc displacement without reduction (DDwoR) by examining pain intensity (VAS), mandibular range of motion (MO), and quality of life (QoL). Fifty-two pati...

Alpha-synuclein (α-Syn) is a short presynaptic protein with an active role on synaptic vesicle traffic and the neurotransmitter release and reuptake cycle. The α-Syn pathology intertwines with the formation of Lewy Bodies (multiprotein intraneuronal aggregations), which, combined with inflammatory events, define various α-synucleinopathies, such as...

Dental implants are the preferred fixed oral rehabilitation for replacing lost teeth. When peri-implant tissues become inflamed, the removal of plaque accumulating around the implant becomes imperative. Recently, several new strategies have been developed for this purpose, with elec-trolytic decontamination showing increased potential compared to t...

To test and evaluate the second installment of DENTIFY, a virtual reality haptic simulator for Operative Dentistry (OD), on preclinical dental students, by focusing on user performance and self-assessment. Twenty voluntary unpaid preclinical dental students, with different background experience, were enrolled for this study. After the completion of...

Oral health surveys are essential for assessing the dental caries experience and to influence national policies. This retrospective cross-sectional study aims to analyze dental caries experience for which dental treatment was sought in a reference university dental hospital at the Lisbon Metropolitan Area between January 2016 and March 2020. Full-m...

The purpose of this study was to characterize and compare subgingival microbiome before and after periodontal treatment to learn if any changes of the subgingival microbiome were reflected in intra-oral halitosis. We tested the hypothesis that intra-oral halitosis (Volatile sulfur compounds levels) correlates with corresponding subgingival bacteria...

Oral health surveys are essential to assess the dental caries experience and to influence national policies. This retrospective cross-sectional study aims to analysis dental caries experience who sought dental treatment in a reference university dental hospital at the Lisbon Metropolitan Area between January 2016 and March 2020. Full-mouth examinat...

Introduction: The aim was to evaluate the prevalence of periodontitis in dentate people between 2011 and 2020. Material & methods: PUBMED, Web of Science, and LILACS were searched up to and including December 2021. Epidemiological studies reporting the prevalence of periodontitis conducted between 2011 and 2020 were eligible for inclusion in thi...

Background Brazilian Jiu-jitsu (BJJ) has become popular over the past years; however, few studies investigated the prevalence of injuries in this martial art modality. Objective The aim of this study was to determine the prevalence of musculoskeletal injuries in BJJ competitors along with their profile and characteristics. Methods One-hundred fif...

Oral diseases are highly prevalent worldwide. Recent studies have been supporting a potential bidirectional association of oral diseases with systemic noncommunicable diseases (NCDs). Available evidence supports that people with NCDs have a greater prevalence of oral diseases particularly those with limited ability of oral self-care. Regarding the...

The oral microbiome plays a major role in shaping oral health/disease state; thus, a main challenge for dental practitioners is to preserve or restore a balanced oral microbiome. Nonetheless, when pathogenic microorganisms install in the oral cavity and are incorporated into the oral biofilm, oral infections, such as gingivitis, dental caries, peri...

To investigate the effects of bike fitting compared to qualitative-based riding posture recommendations on comfort, fatigue, and pain in amateur cyclists. This was a randomised controlled parallel trial of 162 amateur cyclists divided into two groups: bike fitting group (BFG) – participants received a bike fitting session based on 3D kinematic asse...

This book is dedicated to the current trends and new challenges that have emerged from the new e-learning environment, focusing on its potential to revolutionize Healthcare Education and exploring how it may help to better prepare future healthcare professionals for their daily practice. “E-learning and Digital Training in Healthcare Education: Cur...

Our objective was to verify the effectiveness of Pilates method compared against other exercise modalities for muscle strength increase, balance and flexibility. Method Databases used and its respective results were: CENTRAL (n = 456), CINAHL (n = 291), EMBASE (n = 313), PEDro (n = 176), PUBMED (n = 236), SCIELO (n = 98), SPORTDiscus (n = 197) e W...

We aimed to estimate the geographical distribution of periodontitis prevalence and risk based on sociodemographic and economic data. This study used sociodemographic, economic, and health services data obtained from a regional survey and governmental open data sources. Information was gathered for all 308 Portuguese municipalities and compiled in a...

Introduction: The aim was to systematically evaluate the effect of low insertion torque values on the survival rate of immediately loaded dental implants. Methods: The protocol was registered (PROSPERO ID CRD42020189499), with an electronic search performed in the PubMed, Embase, Web of Science and Cochrane Central Register of Controlled Trials...

The purpose of this study is to analyze the long-term riders' subjective responses to a standardized bikefitting method on their bicycles. Eighty-six amateur mountain bikers had their riding posture and bicycle components ergonomically adjusted through a 3D kinematic bikefitting method. Validated subjective scales (Feeling, OMNI, and Numerical Rati...

Halitosis, or bad breath, is an oral health problem characterized by an unpleasant malodor emanating from the oral cavity. This condition can have different origins and causes a negative burden in social interactions, communication and quality of life, and can in uncommon cases be indicative of underlying non-oral non-communicable diseases. Most ca...

Aging is a natural physiological process, but one that poses major challenges in an increasingly aging society prone to greater health risks such as diabetes, cardiovascular disease, cancer, frailty, increased susceptibility to infection, and reduced response to vaccine regimens. The loss of capacity for cell regeneration and the surrounding tissue...

Self-reported questionnaires have been developed and validated in multiple populations as useful tools to estimate the prevalence of periodontitis in epidemiological settings. This study aimed to explore the accuracy of self-reporting for predicting the prevalence of periodontitis in a Portuguese population. The questionnaires were given to patient...

The aim of this study was to cross-culturally adapt and validate the psychosocial impact of dental esthetics questionnaire (PIDAQ) to the Portuguese language. The PIDAQ was culturally translated and adapted according to international guidelines. In this cross-sectional study, we enrolled 501 subjects in a population-based epidemiological survey con...

Background: Systemic inflammation is implicated in the onset and progression of several chronic diseases. Periodontitis is a potential trigger of systemic inflammation. Purpose: To comprehensively appraise all the evidence on the effects of the treatment of periodontitis on systemic inflammation assessed by serum CRP levels. Data sources: Six...

Study aim : To compare knee moment profiles of professional soccer players from different playing positions before and after an interseason period. Material and methods : Retrospective study of 467 healthy, professional elite Brazilian soccer players before and after an official championship interseason period during 10-years. Main outcome measures...

Aim Molar incisor hypomineralization (MIH) is a prevalent oral health condition whose knowledge by dentists is key to the best clinical outcome. This study aimed to evaluate the knowledge, perceptions and clinical experiences of MIH among Portuguese dentists. Methods A cross-sectional structured questionnaire was distributed nationally through a w...

Periodontitis is greatly related to worse perceived oral health-related quality of life (OHRQoL), yet this association has never been explored using radiographically screened periodontal bone loss. Here we have radiographically screened patients for periodontitis via a validated method and assessed its association with measures of OHRQoL. From a to...

Sex determination in forensic dentistry is a major step towards postmortem profiling. The most widely recognized method is DNA, yet its application in the dental field of forensic sciences is still impractical. Depending on the conditions of the remains, teeth are often the only surviving organ. Some systematic reviews (SRs) have been recently prod...

Background: Patient satisfaction is considered the definitive aim of any oral restoration procedure. This study aimed to assess the level of Libyan patient expectation of and satisfaction with a Removable Partial Denture (RPD). Furthermore, to explore the level of patient awareness and application of oral hygiene care pertaining to RPD. Materials a...

Background: To adapt and validate cross-culturally the Oral Health Values (OHVS) questionnaire to Portuguese language. Methods: The OHVS questionnaire was culturally translated and adapted according to international guidelines. We enrolled 280 patients in a population-based epidemiological survey conducted at the Egas Moniz Dental Clinic (Almada...

Background: The aim of this systematic review and network meta-analysis was to assess the efficacy of a bilaminar root coverage technique consisting of the combination of an autogenous subepithelial connective tissue graft (SCTG) and a coronally advanced flap (CAF) compared to the five most indicated alternative approaches for the treatment of sing...

Oral conditions are highly prevalent worldwide. Recent studies have been supporting a potential bidirectional association of oral disorders with systemic noncommunicable diseases (NCDs). Robust evidence supports the greater prevalence of oral conditions in people suffering from NCDs limiting the ability of oral self-care. As for the relationship wi...

Periodontitis triggers systemic repercussions, such as elevated levels of high-sensitive C-reactive protein (hs-CRP). This has never been studied within Parkinson’s Disease (PD). The aim of this study is to compare hs-CRP levels of self-reported periodontitis cases versus cases without periodontitis in PD patients. Data from the National Health and...

Background: Dental education and training have been centered on traditional verbal instructions and subsequent execution on training models, however these have limitations. Virtual Reality (VR) and simulators have been proposed with promising initial results and advantages and have showed promising results in the pre-clinical training environment....

There is still a lack of consensus concerning the recommended etching concentration, application time and type of silane when bonding lithium disilicate-reinforced glass ceramics manufactured by CAD/CAM. The purpose of this study was thus to conduct an in vitro study which investigates the influence of hydrofluoric acid (HF) concentration, etching...

Background: The timing of growth is a key factor for correct orthodontic treatment planning. Cervical vertebrae maturation (CVM) is no exception, although the reported chronological ages vary in the literature. Objective: We aimed to estimate the average chronological age for each Baccetti's CVM staging. Search methods: Search on MEDLINE-PubMe...