BACKGROUND Fear has always been closely linked to dentistry but it could be intensified by the objective risks imposed pandemic. The of this study was determine profile frightened dental patient during COVID-19 pandemic and measures taken dentists reduce fear increase security among their patients. MATERIAL AND METHODS An anonymous online survey conducted between March 15 April 15, 2021. respondents were 2060 adult citizens Republic Serbia. In addition demographic data, data related...

BACKGROUND Rotary endodontic instruments are increasingly used in root canal treatment and have replaced stainless steel manual files. Cyclic fatigue is the cyclic loading of stress to produce deformation or fracture. This study aimed evaluate compare effects autoclave sterilization on 5 types rotary instruments. MATERIAL AND METHODS ProTaper Universal, BioRace, Next, Twisted File, HyFlex CM were included this study. Each type 96 instruments, divided into 4 groups according number cycles (0,...

BACKGROUND:Emergence of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2 virus) could lead to an increase in dental anxiety, avoidance visits, and general neglect oral health. This online questionnaire-based study conducted April May 2021 Serbia aimed determine impact disease 2019 (COVID-19) pandemic on care. MATERIAL AND METHODS:The included 2060 adult citizens Republic who participated anonymous questionnaire based a 5-point Likert scale. Data were collected care routine...

Introduction/Aim. Chronic apical periodontitis represents dynamic continuation of the presence endodontic infection in root canal system tooth, when innate and acquired immune responses are activated various cells inflammatory mediators recruited, which cause consequent destruction periapical tissues development lesions. The aim study was to analyze concentration IL-8 tissue homogenates lesions compare obtained results with symptomatology patients size lesion. Methods. A total 93 samples...

Diabetes mellitus is one of the most common non-communicable chronic diseases, which combined action genetic factors, environmental factors and lifestyle. Specific conditions occur in oral cavity course diabetes that cause changes all tissues with different symptoms signs. Increased salivary glucose level followed by increased accumulation dental plaque decreased resistance to noxious agents. The manifestations diabetic patients include higher prevalence periodontal desease, burning mouth...

Abstract Adhesive bond strength at the composite/dentin interface is influenced by various factors, including etching mode and composite resin type. The purpose of this study was to evaluate influence total‐etch self‐etch on microtensile (μTBS) conventional bulk‐fill dentin, using universal adhesive system. Sixty non‐carious human teeth were sectioned parallel their longitudinal axis, a low‐speed diamond saw obtain flat dentin surface. According technique type used, randomly divided into...

Background/Aim. Proinflammatory cytokines can act like endogenous pyrogen interleukin 1 (IL-1), 6 (IL-6) and tumour necrosis factor alpha (TNF ?) which regulate the synthesis of secondary mediators other proinflammatory through macrophages mesenchymal cells. They stimulate acute-phase proteins attract inflammatory The aim this study was to determine 1-? (IL-1 concentrations in chronically inflamed healthy dental pulps. Methods. A total 41 pulps (19 from patients with pulpitis chronic causa...

In the present research, different adhesive techniques were used to set up fillings with composite resins. After application of etch and rinse or self technique, marginal adaptation was estimated by length margins without gaps, microretention resin in enamel dentin. The study material consisted 40 extracted teeth. Twenty Class V cavities treated 35% phosphorous acid restored after rinsing Adper Single Bond 2 Filtek Ultimate-ASB/FU 3M ESPE system. remaining 20 Easy One-AEO/FU Marginal...

Introduction. Cleft lip and palate is a complex congenital anomaly of the orofacial system in children. Objective. The aim this study was to determine incidence live-born children with cleft and/or compared total number born period from January 1, 1990 December 31, 2007. Methods. Epidemiological investigation based on records at Hospital Gynaecology Obstetrics Clinical Centre Nis. included 61,116 children, i.e. 56,905 full-term babies. Results. registered clefts during 43 (22 boys 21 girls)....

SUMMARY Ultrastructure of adhesive bond is a significant indicator the efficiency between material and dental tissue. Bonding composite hard tissue also most commonly assessed by measuring bonding strength or absence marginal gap along restoration interface. The aim this investigation was to estimate ultrastructural features materials dentin after using two techniques. Twenty Class V cavities on extracted teeth were prepared restored for scanning electron microscope (SEM) analysis dentin....

This study aimed to examine the effects of different light-curing modes on immediate shear bond strength (SBS) composite resin types dentin using universal adhesive. Human teeth were extracted and sectioned obtain flat slices. The adhesive was applied in total-etch mode. Conventional bulkfill composites used create cylindric build-ups. Full power Ramp mode light-cure resin. SBS test performed a testing machine, failure determined via scanning electron microscopy (SEM). Two-way ANOVA Student...

Introduction A smear layer forms on the root canal walls as consequence of instrumentation. The formed in such a way considerably influences quality obturation and endodontic treatment outcome. Objective aim this study was to ultrastructurally analyze surface intracanal dentine after removal by solution doxycycline, citric acid detergent Tween-80 (MTAD). Methods involved 60 single-rooted, extracted, human teeth divided into four groups. All samples were instrumented step-back technique...

Introduction. Bonding between composite and hard dental tissue is most commonly assessed by measuring bonding strength or absence of marginal gap along the restoration interface. Marginal index (MI) a significant indicator efficiency bond material because it also shows values width length gap. Objective. The aim this investigation was to estimate quantitative qualitative features resin enamel determine MI in after application two techniques photopolymerization with systems. Methods. Forty...

Introduction. Research of effects that irregular interproximal dental restoration have on supporting structures the teeth and examination evolution course changes in tissue structure is quite a poorly studied topic. Aim this study to examine assess clinical radiological periodontal caused by particular group patients with different age sex. Methods. Irregularities which were assesed are divided into two groups: a) gap (cracks) occurring between restorations gingival walls Class II cavities,...

Introduction/Aim. The length of tooth enamel conditioning time and the size bracket bases are some factors influencing bond strength between two adherents. aim this study was to compare shear (SBS) different types bonded metal brackets acid-etched surface in times. Material methods. Forty extracted human premolars were randomly divided into four groups. In groups 1 2, Topic (Dentaurum, Germany) after etching with 37% phosphoric acid (Gel, Reliance, USA) for 15 s 30 s, while 3 4, Equilibrium...

BACKGROUND Apical periodontitis is caused by infected dental pulp and may be associated with caries or trauma, which can destroy periradicular tissues. This study included periapical tissue of patients chronic apical aimed to evaluate the presence cytomegalovirus (CMV) Epstein-Barr virus (EBV) using polymerase chain reaction (PCR), determine levels inflammatory cytokines enzyme-linked immunoassay (ELISA). MATERIAL AND METHODS A total 79 participated in this study. Periapical lesions were...

Summary Polymerization contraction of composite resins has been one the most extensively studied phenomena in dentistry recent years. Initial polymerization by low intensity light followed high improves marginal adaptation tooth cavities. A number studies have verified that less leakage and lower index (MI) exist relation to standard (continuous light). The aim study was quantittively evaluate bond materials dentin determine MI values after application two techniques systems. Twenty V class...

Hermetical obturation on dentine-cement junction is one of the conditions for success in endodontic treatment. The aim this paper was to evaluate apical three different root canal materials. Methods consisted vitro semiquantitatively measured penetration colored solutions. Total number 55 single-canal teeth used and test materials were AH-plus, Ketac-Endo Endomethasone. Linear color evaluated following illumination 2% sol. Metylsalicilate. Results obtained have shown better adhesion between...

Introduction. The balance between proinflammatory and anti-inflammatory cytokines plays an important role in the pathogenesis of chronic periapical lesions. aim this study was to determine concentration TNF-? tissue homogenates lesions analyze its levels relation symptomatology size Materials Methods. 93 samples were obtained after extraction teeth. Samples classified according clinical presentation as symptomatic asymptomatic, large small. analyzed using ELISA. Results. results showed...

The aim of this study was to clearly determine the possibility treatment impacted central incisor liberation in a 9-year-old girl, and then bring tooth its natural place dentition shortest possible time interval.The paper presents girl.Prior intervention, detailed examination (CBCT) analysis all parameters were performed order successful therapy tooth.The orthodontic plan included three steps-creation space, exposure crown, forced eruption.After surgical intervention releasing incisor,...

One of the primary goals in endodontics is efficient cleaning and shaping root canal while maintaining its original configuration. Numerous studies highlight advantage using nickel-titanium instruments most important their high flexibility ability to penetrate curved canals. The aim this study was analyze ultrastructure surface endodontic files before after use. Eighty-four were included study. used one, three six times for preparation on extracted upper premolars. analysis performed based...

The mental foramen is an important anatomic landmark not only in dentistry but also forensics, and the knowledge about its accurate location receiving local anesthesia, during surgical endodontic procedures. purpose of this study was to determine most common position shape Southeast Serbian population. Three hundred panoramic radiographs were analyzed horizontal determined according reference lines drawn at longitudinal axes first second premolar mesial root molar. In 62% cases between...

Introduction. Root canal preparation is one of the most important active phases in treatment infected and noninfected teeth. Nickel-titanium (NiTi) instruments are increasingly used endodontic therapy due to their superior properties compared those made stainless steel. The aim this research was perform an analysis comparison cyclic fatigue ProTaper Universal Next rotary NiTi full rotation simulated canals. Material methods. Twelve twelve were analyzed study. tested artificial stuffed a...

INTRODUCTION The basic work principle of all ultrasonic techniques is the piezoelectric effect producing high frequency ultrasounds small length, which are transmitted over endodontic extensions or canal instruments into root canal. When in contact with tissue, vibrations converted mechanical oscillations. Ultrasonic waves and obtained oscillations along synergic irrigation bring about elimination smear layer from walls. OBJECTIVE aim study was to ultrastucturally examine removal walls...