Abbasali Khademi

Abbasali Khademi
Isfahan University of Medical Sciences

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58
Publications
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1,304
Citations

Publications

Publications (58)
Article
Full-text available
A cyst is defined as a pathologic cavity lined by epithelium. Nasopalatine duct cysts (NPDC) are of non-odontogenic origin arising from epithelial remnants from two embryonic nasopalatine ducts. These cysts may form anywhere along the ducts’ course, which runs from posterior palatal midline to the soft tissue palatine papilla also known as the inci...
Article
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Background The existence of voids within the mineral trioxide aggregate (MTA) composition is one of the factors that can influence the treatment outcome. The primary objective of this study was to quantitatively assess and compare the MTA orthograde obturation quality in severe curved root canals using two different MTA compaction techniques: manua...
Article
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Background Dental pulp regeneration aims to restore the function and vitality of the dental pulp, which is the soft tissue inside the tooth. Research in this field is effective in trying to improve clinical practices and procedures. This study aimed to analyze the literature related to dental pulp regeneration and to create a documented research pe...
Article
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Background Postoperative pain has remained a challenge for clinicians. This randomized superiority trial compared the levels of postoperative pain following the use of gutta-percha (GP) and sealer or mineral trioxide aggregate (MTA) as root canal filling materials in teeth with asymptomatic apical periodontitis. Methods A total of 119 patients wer...
Article
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Background: Mandibular fractures are a common trauma in oral and maxillofacial surgery. The accurate diagnosis of these fractures is crucial for successful treatment. However, the interpretation of radiographic scans can be time-consuming and prone to human error. The advent of artificial intelligence (AI), specifically Convolutional Neural Network...
Article
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Background Human dental pulp-derived mesenchymal stem cells (hDP-MSCs), which include human dental pulp stem cells (hDPSCs) and stem cells from human exfoliated deciduous teeth (SHEDs), are promising cell sources for regenerative therapies. Nevertheless, a lack of knowledge relating to the mechanisms regulating their differentiation has limited the...
Article
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Objectives: The percentage of failure of endodontically treated maxillary molars is relatively high; one main reason is that the second mesiobuccal canal (MB2) is missing. Some techniques have been proposed for detection of the MB2. This study was aimed at assessing the diagnostic accuracy and agreement of the dental microscope and cone-beam compu...
Article
Background Persistent infection is always considered the most important reason for the failure of dentin-pulp complex regeneration. The present study aims to evaluate the effect of the duration of root canal infection (from one to twelve weeks) on the ability of dentin-pulp complex regeneration. Methods In this animal study, 64 roots of immature p...
Article
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Background: Incorporating an additive into lidocaine is a method to enhance the efficacy of the inferior alveolar nerve block (IANB) in mandibular posterior teeth. Objectives: To assess the efficacy of incorporating additives into lidocaine in the success rate of IANB for teeth with the diagnosis of normal pulp (NP) or symptomatic irreversible p...
Article
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Objective: The aim of present study was to isolate and differentiate human adipose-derived stem cells (ASCs) into odontoblast-like cells. Materials and methods: In this experimental study, human adipose tissues were taken from the buccal fat pad of three individuals (mean age: 24.6 ± 2.1 years). The tissues were transferred to a laboratory in a...
Chapter
Periodontitis is a chronic inflammatory disease characterized by destruction of the supporting structures of teeth caused by development of dental plaques and accumulation of microorganism around the gingival tissue. Curcumin has been shown to improve clinical parameters in periodontal diseases. However, the efficacy of curcumin in the elimination...
Article
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Three dimensional bioprinter technologies created an availability to use alive cells and molecules to replace or repair a damaged part of the body. In this paper, a novel alginate-gelatin hydrogel using BioFab X4 with a novel bioink cured with UV was produced. The designed architecture was fabricated with a cubic shape and then coated with various...
Article
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Introduction Dental students’ confidence is a crucial factor affecting the success of endodontic teaching. The aim of this study was to determine the dental students’ confidence level in performing endodontic treatment. Materials and Methods A total of 150 dental students of Isfahan University of Medical Sciences participated in this descriptive s...
Article
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One of the well-known ways to produce porous scaffolds or special three-dimensional (3D) micro-nanostructures is using the 3D printing technique. This technique requires a suitable computerized model of the scaffold using computer-aided design software or the computed tomography. The 3D printer fabricates a product by using a digital file and creat...
Article
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Introduction: In recent years, several controversial reports of the correlation between altmetric score and citations have been published (range: -0.2 to 0.8). We conducted a meta-analysis to provide an in-depth statistical analysis of the correlation between altmetric score and number of citations in the field of health sciences. Methods: Three...
Chapter
The paper aims to review the current clinical evidence of various herbal agents as an adjunct treatment in the management of chronic periodontitis patients. Gingivitis and periodontitis are two common infectious inflammatory diseases of the supporting tissues of the teeth and have a multifactorial etiology. An important concern about chronic period...
Article
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Background: From the begging months of 2020 a severe acute respiratory syndrome coronavirus (SARS-CoV-2, also called 2019-nCoV) caused a devastating global outbreak. At present, the diagnosis of coronavirus disease 2019 (COVID-19) is made through a nasopharyngeal swab based on reverse transcription polymerase chain reaction (RT-PCR) technique. How...
Article
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Background Complex psychological and physiological changes occur in women’s body during pregnancy. These changes affect both oral health status and oral health-related quality of life (OHRQoL). In almost all of the previous cross-sectional design studies on pregnant women, generic OHRQoL instruments have been used to measure OHRQoL. While such inst...
Article
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Objectives Inflammation is an integral part of the pathogenesis of periodontitis and sleep disorders. The aim of the present study was to review systematically the current evidence relating to the association between periodontal diseases and non-apnea sleep disorder.Materials and methodsSystematic searches were performed in MEDLINE, PsycINFO, Cochr...
Article
Several techniques have been introduced to improve the pulp revascularization outcomes. The use of the tissue graft can create more practical tissue regeneration, provides vascular supply and enhances tissue healing. The aim of the present study was to investigate the histologic and molecular outcomes of pulp revascularization with buccal fat autot...
Article
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Cancer stem cells (CSCs) are known as the major reason for therapy resistance. Recently, natural herbal compounds are suggested to have a significant role in inhibiting the breast cancer stem cells (BCSCs). The aim of this study was to explore the effective natural herbal compounds against BCSCs. This review article was designed based on the BCSCs,...
Article
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Objective High prevalence of Dental and periodontal problems during the gestation period may have a negative effect on oral healthrelated quality of life (OHRQoL) in pregnant women. This systematic review aimed to perform a quality assessment and provide a critical overview of the current research available on OHRQoL in pregnant women. Methods For...
Preprint
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BACKGROUND The impact of diseases on psychosocial well-being or the normal function of a person has been commonly defined as health-related quality of life .High prevalence of Dental and periodontal problems during gestation period may have a negative effect on oral-health-related quality of life (OHRQoL) in pregnant and postpartum women. OBJECTIVE...
Article
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The authors conducted a systematic search to collect and evaluate scientific evidence identifying a correlation between vitamin D administration and healing after periodontal surgery. A comprehensive search of 8 electronic databases--Ovid (MEDLINE), EMBASE, PubMed, Web of Science, Scopus, Science Direct, Cochrane Central, and Wiley--was conducted....
Article
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Background: Adequate seal of the root canal is necessary to prevent recontamination and ensure the long-term clinical success. The aim of this study was to evaluate the sealing ability of ProRoot mineral trioxide aggregate (MTA), Biodentine, and Ortho MTA as the root canal obturation materials using the fluid infiltration method. Materials and me...
Article
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Background: Bacteria and their by-products are etiological factors for the failure of endodontic treatment. Reduction of root canal bacterial contamination is one of the chief aims of root canal therapy. The aim of this study was to compare the effects of different rotary file tapers and two irrigation fluids on Enterococcus faecalis counts. Materi...
Article
Introduction: The purpose of this prospective, randomized clinical trial was to evaluate the anesthetic efficacy of the Gow-Gates nerve block (GGNB), the inferior alveolar nerve block (IANB), and their combination for mandibular molars in patients with symptomatic irreversible pulpitis. Methods: One hundred fifty patients diagnosed with symptoma...
Article
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Background: The aim of this study was to compare the cytotoxicity and the biocompatibility of three different nanofibers scaffolds after seeding of stem cells harvested from human deciduous dental pulp. Given the importance of scaffold and its features in tissue engineering, this study demonstrated the construction of polyhydroxybutyrate (PHB)/chit...
Article
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Introduction The aim of this prospective, randomized, double-blind study was to investigate the effect of articaine combined with ketamine on the success rate of inferior alveolar nerve block (IANB) in posterior mandible teeth with symptomatic irreversible pulpitis. Methods and Materials Forty two adult patients with diagnosis of symptomatic irrev...
Article
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Background: Different techniques are used to evaluate the anatomy of root canal system. The present study was aimed to evaluate the root canal morphology of mandibular premolars using clearing and cone beam computed tomography (CBCT) techniques. Materials and Methods: A total of 182 mandibular first and second premolars were evaluated in vitro usin...
Article
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Introduction The aim of this investigation was to evaluate root canal morphology of maxillary first and second molars and also to assess the prevalence and morphology of the second mesiobuccal canal (MB2) in these teeth, using cone-beam computed tomography (CBCT). Methods and Materials In this cross-sectional study, the total of 470 CBCT images fr...
Article
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Stem cells (SCs), known as cells with characteristics such as self-renewal and multilineage differentiation, are generally obtained from two sources: Embryonic stem cells (ESCs) and adult stem cells (ASCs). SC research is expected to play a pivotal role in future medicine. The aim of the present review was to introduce dental and nondental SCs, exa...
Article
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Vital pulp therapy (VPT) is a biologic and conservative treatment modality to preserve the vitality and function of the coronal or remaining radicular pulp tissue in vital permanent teeth. A search was conducted via the Cochrane database, PubMed, MEDLINE, and Ovid for any articles with the criteria for "pulp-capping," or "pulp-capping materials" an...
Article
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Introduction: In this experimental study, the amount of smear layer (SL) remnants in curved root canals after chemomechanical instrumentation with two engine-driven systems or hand instrumentation was evaluated. Methods and materials: Forty-eight mesiobuccal roots of mandibular first molars with curvatures ranging between 25 and 35 degrees (acco...
Article
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There is a high incidence of a second mesiobuccal root canal (MB2) in maxillary molars. The study aim is to assess the accuracy of cone-beam computed tomographic (CBCT) imaging in detecting a second mesiobuccal root canal in endodontically treated maxillary molars. The study sample consisted of 60 extracted maxillary molars, which were endodontical...
Article
Objective: Electronic apical foramen locators are now widely used to determine working length. This study was designed to determine whether tooth length influenced the accuracy of the Root ZX device. Materials and methods: Forty extracted maxillary canine teeth with a length range of 27-29 mm were selected. Access cavities were prepared and coro...
Article
The purpose of this prospective, randomized, double-blind study was to compare the anesthetic efficacy of buffered with nonbuffered 2% lidocaine with 1:80,000 epinephrine solution for inferior alveolar nerve (IAN) block in patients with mandibular posterior teeth experiencing symptomatic irreversible pulpitis. Eighty adult patients diagnosed with s...
Article
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Introduction: The aim of this descriptive cross-sectional study was to assess the general dental practitioners (GDPs)'s knowledge regarding the emergency management of traumatic dental injuries (TDI) in Isfahan, Iran. Methods and materials: In this study a two-part questionnaire consisting of 14 questions was distributed among 241 GDPs. Part 1 i...
Article
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Objective: The aim of this study was to compare the substantivity of chlorhexidine (CHX) and doxycycline bond to the dentin in diffusion disk method. Methods: A total of 92 dentin disks were prepared from Bovine's teeth root. After removing cementum and standardizing disks in weight and outer diameter, they were irrigated with sodium hypochlorite...
Article
The purpose of this study was to determine and compare the times needed to dislodge prefabricated titanium posts of different luting lengths with various cements. Eighty-one intact extracted, single-canal human teeth were selected and endodontically treated. Specimens were randomly divided into 9 groups, which were arranged according to the post sp...
Article
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As the use of different irrigants to eliminate residual debris and smear layer in the field of endodontic is unavoidable, by considering the effect of irrigants on the bond strength of resin composite restorations, this study was designed to evaluate the effect of a mixture of a tetracycline isomer, an acid, and a detergent (MTAD) on the shear bond...
Article
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Achieving successful anesthesia and pain control in a predictable, efficient manner is a challenge in the endodontic treatment of vital inflamed lower molars. The aim of this study was to evaluate the effect of oral ketamine on the dosage of local anesthetics required and postoperative pain management for irreversibly inflamed mandibular molars. In...
Article
Abstract Eighteen canine mandibular premolars were divided into three groups. In Group 1: Implants were inserted in periapical lesions. In Group 2: Implants were inserted when lesions were radiographically healed. In Group 3 (Control):Implants were inserted immediately after extraction. There was no significant difference in average bone implant co...
Article
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INTRODUCTION: All instrumentation techniques have been reported to be associated with extrusion of infected debris. The aim of this study was to evaluate the number of bacteria extruded apically from extracted teeth ex vivo after canal instrumentation using the two engine-driven techniques utilizing nickel-titanium instruments (Flex Master and Mtwo...
Article
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INTRODUCTION: The purpose of this study was to evaluate the sealing ability of gray-colored mineral trioxide aggregate (GMTA), white-colored MTA (WMTA), and Resilon as root filling materials. MATERIALS AND METHODS: Sixty-six human maxillary central incisors were used in the present study. In the group A, 20 teeth were filled with GMTA. In the grou...
Article
Full-text available
A desirable characteristic of root canal irrigants is the ability of dissolving soft tissues. Sodium hypochlorite, an antibacterial and tissue solvent irrigant used in endodontic treatment is known to be toxic for periapical tissues. Chlorhexidine gluconate, an effective antimicrobial agent, is another irrigant with limited tissue dissolving abilit...
Article
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INTRODUCTION: The aim of this study was to evaluate the effect of dentin on the antifungal activity of gray and white-colored MTA (GMTA, WMTA) using a tube-dilution test. MATERIALS AND METHODS: MTA preparations were tested freshly mixed and after 24h on Candida Albicans (CA). The experiment was performed in 24-well culture plates. Fifty wells were...
Article
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Coronal leakage seems to play an important role in the failure of endodontic treatment. A double seal over root canal filling has been suggested as a means of improving the coronal seal. Several restorative materials have been used in an attempt to produce a coronal barrier. The purpose of this study was to assess gray-coloured mineral trioxide agg...
Article
The purpose of this study was to determine the minimum instrumentation size required for the effective penetration of irrigants and elimination of debris and smear layer from the apical third of the root canals. The mesiobuccal canals of 40 freshly extracted human mandibular first molar teeth were instrumented using the crown-down technique. The te...
Article
OBJECTIVES: The purpose of this study was to evaluate the sealing ability of gray-colored mineral trioxide aggregate (GMTA), white-colored MTA (WMTA), and Resilon as root filling materials. MATERIAL AND METHOD: Sixty-six human maxillary central incisors were used in the present study. In the group A, 20 teeth were filled with GMTA. In the group B,...

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