Melinda Szekely

• Head of Department at George Emil Palade University of Medicine, Pharmacy, Science and Technology of Târgu Mureș

Background/Objectives: Microorganisms are the leading cause of infections in the root canal system, contributing to the failure of endodontic treatments. This in vitro study aimed to compare the antimicrobial effects of four different endodontic sealers: Endomethasone N (Septodont, Saint Maur-des-Fossés, France), Sealapex (Kerr Corporation, Orange,...

Introduction Acrylic resins are the most frequently used materials for the bases of prostheses, and are also used in the re-optimization and the repair of prostheses. The aim of our study was to investigate whether direct contact with the resin causes decomposition of methyl methacrylate and formation of ketone bodies in the oral cavity. Material...

Background and aims: Sustainability is the sensitive and responsible way of using the natural resources, its goal being to prevent their depletion and preserving the ecological balance. An essential requirement to achieve this is to practice environmentally conscious behavior. The main objective of the present study was to carry out a survey among...

Currently available direct restoration materials have been developed to have improved optical properties to interact with light in the same manner as the natural tooth. The objective of this study was to investigate the fluorescence of different enamel resin composites. In the present study, nine brands of enamel composites were tested in vitro, so...

Introduction: Aesthetic materials for direct restorations can suffer changes in the oral cavity due to multiple factors acting at this level. The aim of the study was to demonstrate that aesthetic materials undergo structural changes in texture and chemicals, depending on the nature of the extrinsic factor, concentration, and exposure time. Materia...

Objectives: (i) To develop, validate, and apply in practice a new risk assessment tool for erosive tooth wear (ETW) including a risk factors questionnaire and a saliva secretion evaluation, which combined with a clinical index, can be part of an ETW composite scoring system; (ii) to assess ETW lesions and current and past erosive challenges in you...

Dental adhesion is a complex phenomenon that has challenged the conventional biomechanical principles applied to Dental Medicine. Many of the advances in aesthetic restorative dentistry are due to dental adhesion: bond of direct resin-based restorations, bond of all ceramic restorations, bond of orthodontic brackets, bond of indirect resin-based re...

https://orcid.org/0000-0003-3385-3344), MELINDA PENZES 2 :(https://orcid.org/0000-0001-7396-4028);, ALEXANDRA KOVACS 1 :(https://orcid.org/0000-0001-5831-4983);, KATALIN KAROLYHAZY 3 :(https://orcid.org/0000-0002-4781-8251;, CSILLA ERDEI 1 , VANDA ROXANA NIMIGEAN *4 , VICTOR NIMIGEAN 5 , ANNA DEZSI 1 , MELINDA SZEKELY 6 , KRISZTINA MARTON 1 (https:...

Objective: For obtaining the perfect balance of a removable complete denture, we have a few clinical procedures to complete, but only the analysis of the occlusal load distribution at various vertical dimensions of occlusion can give us the precise data. Method: The patient selected for this case report was a 35 years old edentulous female who r...

Introduction: It is a well-known fact that during a dental impression, some patients suffer from the gag reflexes. Aim of the study: Even if the main tendency is to use medication, our goal is to find a way to combat it. Material and methods: With the help of our 155 volunteering students, from UMFST Târgu Mureș, who agreed on having their dental i...

Changes in the surface roughness of dental restorative materials after tooth brushing are inevitable. The abrasion is known to increase the possibility of dental plaque accumulation which is responsible for several pathologies of the oral cavity. The aim of this in vitro study was to evaluate the changes of surface roughness of microhybrid composit...

Dental caries and secondary caries are the most common problems in dentistry. Many studies provided evidence for the anticariogenic effect of fluorides. The incidence of secondary caries is decreased in teeth restored with fluoride releasing materials. The purpose of the present in vitro study is to evaluate the fluoride release and uptake capabili...

Objectives of the study were to investigate the smoking prevalence, knowledge, attitudes and beliefs among Romanian pharmacy students. Surveys were conducted among pharmacy students during 2014-2016. A locally-adapted version of the Global Health Professional Students Survey was used, which is a self-administered questionnaire developed by the Worl...

In Romania dental health services are provided mainly through user pays private practices and there is a limited reimbursement of dental services from the government. The economic recession lead to substantial lack of insurance coverage for oral health care of low-income population. The aim of this six-year retrospective study was to assess the pre...

This study is intended for testing the way and extent how various acids influence dental erosion. Impacted third molar teeth removed under surgical exploration have been used in our experiments. The test samples have been prepared based on the Semmelweis University Dental Care Clinic protocol. Then the organic material has been removed using incuba...

Epidemiological studies have reported an increasing prevalence of tooth wear, and general dental practitioners see a greater number of patients seeking treatment with worn dentition. Improper oral hygiene, unhealthy habits, occupational hazards, and potentially erosive processed foods seem to play a major role in the non-carious loss of dental hard...

Background: Emergency dental care is provided at the Mureș County Emergency Hospital in Tîrgu Mureș since February 2012, however, there is little information available regarding its activity. Therefore, the aim of the study was to evaluate the prevalence and diagnosis of dental emergency cases treated in this dental office over the first two years....

Halitosis is an embarrassing symptom with a significant social impact. Periodontal disease, tongue coating, interdental food impaction, and dental cavities are the predominant causative factors. The aim of this study is to evaluate the effect of essential oil mouthwash on halitosis. 30 patients aged between 16-25 were enrolled in this single-blind,...

Objective : Regeneration is defined as a reconstruction of a lost part of the body in such a way that the structure and function of the lost tissue are completely restored. The aim of this study is to compare the clinical outcomes of intrabony defects treatment using regenerative periodontal therapy with enamel matrix proteins (Emdogain, EMD) with...

Clinical performance of restorative materials and their adhesive interfaces can be affected by erosion after rehabilitation of erosive lesions. The aim of the present in vitro study was to evaluate the erosive wear resistance and adhesive bond strength of direct restorative materials, using four different testing tools. Four aesthetic dental fillin...

Dental implantology is a frequently applied method for prosthetic restoration of edentulous dental arches. In the past 50 years it has been evolving most dynamically among other branches of dental sciences. According to several reviews and meta-analysis of literature, it seems that the most predictable phase that influences success rate of dental i...

The placement of appropriate root-end filling materials in contact with periradicular tissues, with improved adaptation and biological properties is critical for the long-term success of the periapical surgery. The purpose of the present study was to evaluate and compare the bio-properties of four different root canal filling materials with respect...

: Dental implants are useful tools and represent a widely spread technique for oral rehabilitation. Their long standingness is highly influenced by the mechanical and geometrical properties of the surrounding osseous tissue in which they are placed. In some unsuccessful cases though, the dental implant is exposed to masticatory forces and other fun...

Improper administration of fluoride can result in overdosing it with the occurrence of dental fluorosis and its accumulation in other tissues or systems. The aim of this study is to evaluate the importance o fluoride intake by assessing fluoride urinary excretion before to decide administration of fluoride supplements for cariostatic effect of them...

The associations seen clinically between variations in tooth number, size and shape reflect the repetitive genetic interactions occurring between the epithelium and mesenchyme during the initiation and morphogenetic stages of the Complex Adaptive System that is dental development. The aim of this study was to investigate the clinical relationship f...

: The purpose of the study was to assess the activity of the Emergency Dental Office of UPU SMURD in Tîrgu Mures since its establishment and also to compare it with the similar unit from Oradea. : The two-year retrospective and comparative study is a statistical processing of non-personal data regarding the emergency dental services in the UPU SMUR...

The improvements in tooth-coloured filling materials generated more direct conservative techniques, making possible the achievement of optimal functional and aesthetic outcomes, in anterior and posterior teeth. Erosive acid-induced lesions of enamel or dentin often need restorative procedures. Nowadays, mostly aesthetic direct restoratives, which a...

Child dental fear and anxiety (DFA) is a worldwide problem with extremely diversified influencing factors and various prevalence. The aim of the present study was to evaluate dental fear and anxiety in Romanian children living in Romania and as a minority in Hungary in order to appreciate the importance of domicile on DFA. 713 schoolchildren betwee...

This study aimed to evaluate saliva and plaque as indicators of intraoral fluoride (F) levels after the use of conventional and high-fluoride dentifrices. Subjects were randomly assigned to brush their teeth with conventional (1000 ppm F), high-fluoride (5000 ppm F), and placebo dentifrices (fluoride free) for 10 days, following a double-blind, cro...

The purpose of this study was to assess the pattern of changes in salivary cortisol, alpha-amylase and total protein in children undergoing dental prophylaxis, moreover, to investigate the effect of prior preparation to the intervention. 38 (9-10 year-old) children were equally divided into test and control group. Unstimulated whole saliva was coll...

The associations seen clinically between variations in tooth number, size and shape reflect the repetitive genetic interactions occurring between the epithelium and mesenchyme during the initiation and morphogenetic stages of dental development. The aim of this study was to investigate this relationship further by comparing multiple crown parameter...

Objective: The aim of this in vitro study was to evaluate the influence of erosive conditions on the wear resistance of aesthetic direct restorative materials. Methods: Six dental filling materials were tested: two composites (Filtek Z550 and X-tra fil), two compomers (Dyract Extra and Twinky Star) and two glass ionomers (Ketac Molar and Fuji II LC...

Aims The objectives of the present survey were: 1) a systematic epidemiological investigation of dental fear and anxiety among children living in the central part of Romania and 2) to identify the most fearful aspects of dental care perceived by these children. Methods In this cross-sectional study 406 schoolchildren, 170 males and 263 females, age...

Objective: The aim of this study was to evaluate the intra-operator reliability of a 2D image analysis method for tooth dimension measurements. Methods: Occlusal and vestibular surfaces of teeth from ten study models were captured with a digital camera. Images were transferred on a computer and different tooth dimensions (mesio-distal, occluso-ging...

Objective: To evaluate the urinary cotinine excretion in relation with the tobacco smoke exposure in young adults living in Tirgu-Mures, Romania. Methods: The cross-sectional study comprised 100 randomly selected volunteers (58% females, 42% males; mean age 19.9±2.3 years), undergraduated students of the University of Medicine and Pharmacy of Tir...

Objective: Halitosis is an embarrassing symptom with a significant social impact. Periodontal disease, tongue coating, interdental food impaction, dental cavities are the predominant causative factors. The aim of this study was to evaluate the effect of oil essential mouthwash on halitosis. Method: 30 patients aged between 16-25 were enrolled...

Background: Identification of the characteristics of tooth agenesis is an important component in the understanding of the ethiology of this common developmental dental anomaly. The aim of the present study was to determine the prevalence and the characteristics of tooth agenesis among patients from Tîrgu Mureș. Material and method: The present stud...

Objectives: Tooth agenesis is a frequently encountered developmental dental anomaly. The prevalence of agenesis depends on the population studied. There are only a few data available in Romania on this subject. Our purpose was to determine the prevalence of tooth agenesis among Romanian subjects. Methods: We analyzed orthopantomograms and anamnesti...

Dentifrices containing 5,000 ppm fluoride (F) have been shown to be effective in arresting root caries lesions, but no study has evaluated the intraoral F levels throughout the day resulting from the use of such formulations. Objectives: To evaluate saliva and plaque as indicators of intraoral F concentrations after the use of conventional (CD) and...

Aims: The aim of this study was to assess urinary fluoride (F) excretion under customary diet and controlled F intake conditions in young adults, and also to compare the bioavailability of F administered systematically in milk, together with, or without, tea consumption. Methods: The study comprised 36 subjects aged 19-23 years living in the city o...

To compare two different methods of estimating daily fluoride urinary excretion in pre-school children under stable fluoride intake conditions. Thirty-five healthy kindergarten children, permanent residents of Targu-Mures, Romania, where the average drinking water fluoride concentration is 0.12 mg F/L, participated on two separate occasions, when t...

The aim of the present in vitro study was to evaluate the marginal gap formation of composite restorations. Class V. cavities were prepared on the buccal surfaces of 30 human teeth and restored with Prime & Bond 2.1 (Spectrum TPH and Syntac Single-Component) Tetric. The specimens were examined by scanning electron microscope (SEM). By measurement o...