Ali Erdemir

Kirikkale University · Department of Endodontics

Cite this article as: Hançerlioğulları D, Türkyılmaz A, Erdemir A. Do variations in the concentrations of EDTA and citric acid affect the release of different growth factors from the dentin matrix? Turk Endod J 2023;8:43-48.

Amaç: Bu çalışma, farklı apikal çaplara sahip ProTaper Next, HyFlex Electric Discharge Machining, Reciproc ve Reciproc Blue nikel-titanyum (NiTi) eğelerin apikal transportasyonu ve kanal düzleştirmesini karşılaştırmayı amaçlamıştır. Gereç ve Yöntemler: Kırk sekiz mandibular molar insan dişi çalışmaya dahil edildi. Dişler NiTi eğe tiplerine göre (n...

This study, in which a hundred human teeth with single straight canal were used, focused on the evaluation of contrast solution penetration ability into the simulated lateral canals activated by XP-endo Finisher (XPF), EDDY, Nd:YAG, and Er:YAG laser systems with three different observation methods. The root canals were prepared up to X4 at working...

Aim The aim of this study was to compare the levels of different ADAMTS (-1,-4, and -9) related to the breakdown of the proteoglycans and TIMP-3 levels that inhibit ADAMTS in the extra cellular matrix (ECM) of healthy pulp and symptomatic irreversible pulpitis. Methods Pulp tissue samples diagnosed with healthy and symptomatic irreversible pulpiti...

Aim: To compare the effectiveness of various irrigation activation methods applied after post space preparation on the push-out bond strengths of fiber posts to root canal dentin. Materials and methods: Twenty maxillary central incisor teeth were prepared and root-filled. Following the preparation of the post spaces, the teeth were randomly allocat...

Aim To evaluate in a laboratory study the effect of different irrigation solutions and activation techniques on transforming growth factor (TGF-β1), insulin growth factor-1 (IGF-1), bone morphogenetic protein-7 (BMP-7) and vascular endothelial growth factor-A (VEGF-A) release levels from the dentine of extracted teeth. Methodology Seventy premolar...

Introdution: The aim of this study was to compare levels of neurokinin A (NKA), substance P (SP), interleukin (IL)-8, and matrix metalloproteinase-8 (MMP-8) in pulp tissue and gingival crevicular fluid (GCF) samples of healthy and symptomatic irreversible pulpitis teeth. Methods: Forty patients diagnosed with healthy and symptomatic irreversible pu...

Aim: The purpose of this study was to compare the antibacterial and antifungal activity of MTA Fillapex with AH 26, AH Plus, and RealSeal root canal sealers. S. aureus, E. faecalis, and C. albicans were used as test microorganisms with the agar-diffusion test (ADT) and the direct contact test (DCT). Methodology: For the ADT, 48 Mueller-Hinton plate...

Amaç: Ozon, oksitleyici özelliğinden dolayı uzun yıllardan beri tıp ve diş hekimliği alanlarında başarıyla kullanılan mükemmel bir antimikrobiyal ajandır. Ozon oral dokulara; ozon gazı, ozonlu su ve ozonlu yağ olarak uygulanabilir. Ozonun endodontide; irigasyon solüsyonu, antimikrobiyal ajan, kanal içi medikament olarak kullanımı, ayrıca dental ade...

Aim The aim of this study was to compare levels of Neurokinin A (NKA), Substance P (SP), Interleukin-8 (IL-8) and Matrix metalloproteinase-8 (MMP-8) in pulp tissue and gingival crevicular fluid (GCF) samples of healthy and symptomatic irreversible pulpitis teeth. Methods 40 patients diagnosed with healthy and symptomatic irreversiblepulpitis teeth...

This in vitro study aimed to investigate the tubular penetration depth of four different sealers used with two different obturation methods in the apical, middle, and coronal root canal dentin. Eighty‐four single‐rooted teeth were instrumented until the F4 ProTaper universal rotary file and filled with AH26, AH Plus (Dentsply, DeTrey, Konstanz, Ger...

The study aimed to evaluate the effect of various final irrigant activation protocols on push-out bond strength of fiber post. Thirty-two single-rooted human maxillar central teeth were sectioned below the cementoenamel junction, instrumented and obturated. Post-space preparation was performed, and roots were randomly divided into eight groups (n =...

The purpose of this study was to evaluate the efficiency of different irrigation activation techniques on smear layer removal. About 80 single-rooted human maxillary central teeth were decoronated to a standardized length.The samples were prepared by using ProTaper system to size F4 and divided into eight equal groups (n = 10) according to the fina...

Detection of normal and abnormal variation in tooth anatomy is essential for clinical success. It is generally well known that the mandibular second premolar teeth have a single root and canal. However, the mandibular second premolar teeth have sometimes more than one root and root canal. The endodontic treatment of a mandibular second premolar wit...

Mostly affected teeth from dental trauma are maxillary anterior teeth . The immediate agglutination of original fractured tooth part is a good alternative option in the scope of emergency treatment for remaining esthetical and functional problems. In this case presentation, the endodontic and esthetic treatment approach of crown and crown−root frac...

Background/purpose: The purpose of this study was to examine the effect of 1% chlorhexidine (CHX) gel on the shear bond strength (SBS) of orthodontic brackets bonded with Transbond XT (XT, 3M Unitek) and Transbond Plus Self-Etching Primer (TSEP, 3M Unitek). Materials and methods: In total, 75 extracted premolars were collected and randomly divided...

The aim of this study was to evaluate the degree of conversion (DC) of composite resin at different depths of simulated immature root canals using light-transmitting plastic post (LTPP) and three different light sources. Composite resin was packed into 60 black plastic cylinders 12mm in length with 4mm internal diameters to simulate immature root c...

The aim of this study was to evaluate the effects of different curing units and 2 luting cements on the push-out bond strength of a translucent fiber post. Thirty maxillary incisor roots were endodontically treated. Post spaces were prepared, and the smear layers were removed. Posts (FRC Postec Plus) were luted with either a self-etch cement (Panav...

The aim of this study was to evaluate the effects of three desensitizing agents on the shear bond strengths of four different bonding agents used to bond composite resin to dentin. A total of 160 extracted human molars were sectioned parallel to the occlusal plane under water cooling, polished and randomly divided into 4 groups of 40. Each group wa...

The aim of this study was to evaluate the effect of different cavity disinfectants on dentin bond strengths of composite resin applied with two different adhesive systems. One hundred mandibular third molars were sectioned parallel to the occlusal surface to expose midcoronal dentin. The dentin surfaces were polished with waterproof-polishing paper...

To test the hypothesis that the application of different chlorhexidine formulations to the etched enamel will not affect shear bond strength (SBS). Forty-four freshly extracted human premolars were collected and stored in distilled water. The teeth were etched with 37% phosphoric and were rinsed and dried. The teeth then were divided into four equa...

Endodontic access cavities sometimes can be prepared through a permanent composite restoration. Between the appointments, temporary cements are used to seal access cavities and may have negative effect on bonding of further composite restoration. The purpose of this study was to compare shear bond strength of composite to composite which had been i...

To evaluate the accuracy of the Root ZX (J Morita Corp., Kyoto, Japan) and Tri Auto ZX (J Morita Corp.) devices for measuring root canal length in primary teeth with and without apical resorption. Thirty-four extracted human primary molar teeth with resorption and 19 primary teeth without resorption were collected. After endodontic access preparati...

A case of uncommon occupational dental erosion was reported in an individual who had worked in the war industry for twenty years. This occupation involved daily, at least 8 hours, inhalation of chromic acid being used for cleaning of barrel of cannons. The erosion manifested as dental sensitivity with excessive cervical erosion even with pulpal exp...

To determine the influence of various irrigating solutions on the accuracy of the electronic apex locator facility in the Tri Auto ZX handpiece. One hundred and forty teeth with single canals and mature apices, scheduled for extraction for either periodontal or prosthetic reasons in 76 patients were used. Following informed written consent local an...

This is an in vitro assessment of pH level and calcium ion release exhibited by 3 calcium hydroxide-based root canal sealers-Sealapex, Apexit, and Acroseal. The materials were prepared according to the manufacturers' instructions and placed in 1 cm long and 4 mm diameter tubes. The tubes were then immersed in a glass flask containing 10 mL bidistil...

The aim of this in vitro study was to evaluate antibacterial activity of a new resin based sealer, EndoREZ in comparison with 5 other sealers: AH 26, Diaket, Sultan, Apexit, and RoekoSeal. The effect of 6 different sealers on the growth of 3 bacteria (Enterococcus faecalis, Staphylococcus aureus, and Pseudomonas aeruginosa) was measured using the a...

The purpose of this study was to evaluate the effect of smoking on the salivary minerals in subjects with chronic periodontitis by the inductively coupled plasma-atomic emission spectrophotometry (ICP-AES) technique. The study group included 24 subjects-12 smokers and 12 non-smokers-with chronic periodontitis. Clinical measurements and non-stimulat...

To compare in vitro two different fibre placement techniques on reinforcement of root-filled molar teeth with mesio-occluso-distal (MOD) cavities. Fifty sound extracted human mandibular molars were used (n = 10). Group 1 served as control. From group 2-5, endodontic access and standard MOD cavities were prepared. Following root canal treatment, gro...

Objectives: A tight seal of the root-end filling is of prime clinical importance. The aim of this in vitro study is to evaluate the microleakage of MTA Angelus (Angelus- Brasil), Geristore (Den-Mat, USA), IRM (Dentsply, Germany) and amalgam rootend fillings placed in extracted human teeth. Methods: The apical 3 mm of 96 singlerooted teeth were rese...

Intra-alveolar root fractures are relatively uncommon, and sometimes may be healed without treatment. Diagnosis of intra-alveolar root fracture is frequently made by exclusion of clinical signs of other traumatic injury, and by radiographic examination with films taken at different tube angulations. This case report presents a horizontal root fract...

Bond strength of root canal sealers to dentin is an important property for the integrity of the sealings of root-canals. The purpose of this study was to test shear bond strength of three endodontic sealers (Diaket, AH Plus and Endo-REZ). The coronal two thirds of ninety extracted human third molars were removed. The smear layer of the exposed dent...

The aim of this in vitro study was to evaluate mineral content of root canal dentin after treatment with several endodontic irrigation solutions. Sixty mandibular anterior teeth extracted for periodontal reasons used. The crowns of the teeth were removed at the cemento-enamel junction. Pulp tissues were removed and the teeth were randomly divided i...

The purpose of this study was to evaluate the effect of citric acid and EDTA solutions on the microhardness and the roughness of human root canal dentin. Forty-five human teeth sectioned longitudinally were used. Specimens were randomly divided into three groups of 30 teeth each and were treated as follows: (a) one molar (19%) citric acid (C6H8O7)...

To evaluate the effect of using flowable composite with or without leno woven ultra high modulus polyethylene fibre reinforcement on fracture resistance of root filled mandibular molars with mesio-occlusodistal (MOD) preparations. Sixty sound extracted human mandibular molars were randomly assigned to five groups (n = 12). Group 1 did not receive a...

Purpose: The aim of this in vitro study was to compare apical leakage of four root canal obturation techniques; laterally condensed gutta-percha technique, thermoplasticized gutta-percha on a carrier technique (Thermafil), thermoplasticized injectable gutta-percha technique (Ultrafil) and halothane dipped guttapercha technique. Material and Methods...

The purpose of this study was to evaluate the effect of 0.2% chlorhexidine gluconate on the microhardness and roughness of root canal dentin compared with widely used irrigation solutions. Ninety, mandibular, anterior teeth extracted for periodontal reasons were used. The crowns of the teeth were removed at the CEJ. The roots were separated longitu...

The purpose of this in vitro study was to evaluate the effect of gutta-percha solvents on the microhardness and the roughness of human root dentine. Forty-five recently extracted human mandibular anterior teeth were used. The teeth were sectioned longitudinally, embedded in acrylic resin and polished. Ninety specimens were divided into three groups...

Objective: The aim of this in vitro study was to evaluate reinforcement effect of polyethylene fiber use in endodontically treated molar teeth with MOD cavity. Methods: Sixty sound extracted human mandibular teeth were divided into 5 groups. Group 1 did not receive either cavity preparation or root canal treatment and served as positive control. En...

The long-term success of resin cementation of post/cores is likely increased with improvement in resin-root canal dentin bonding. The adverse effect of some irrigation constituents (NaOCl, H2O2) or medications (eugenol) on the bond strengths of resins to dentin have been reported. The purpose of this in vitro study was to evaluate the effect of two...

Use of resin-based restorative materials recently has become widely accepted for treatment of endodontically treated teeth. However, some solutions routinely used during endodontic treatment procedures may have an effect on bond strengths of adhesive materials to root canal dentin. The purpose of this in vitro study was to evaluate the effect of va...

The purpose of this in vitro study was to evaluate the mineral contents of root-canal dentin before and after treatment with two commonly used gutta-percha solvents: chloroform and halothane. Twenty extracted human premolars, whose crowns and apical thirds had been removed, were used. Pulp tissues were removed and the teeth were randomly divided in...

The purpose of this in vitro study was to evaluate two commonly used gutta-percha solvents for their effectiveness in dissolving several types of root canal sealers. Seven different sealers (AH26, AH Plus, Diaket, Roekoseal, Sankin Apatite Root Sealer, Sealapex, and Sultan U/P) were used in this study. After mixing according to the manufacturers' d...

The purpose of this in vitro study was to evaluate two commonly used gutta-percha solvents in endodontics for their effectiveness in dissolving several types of root canal sealers. Seven different sealers (AH26, AHplus, Diaket, Roekoseal, Sankin Apatite Root Sealer, Sealapex, Sultan U/P) were used in this study. These sealers were mixed according t...

Temporary restorative materials are used in endodontics to seal the access preparation between appointments until a permanent restoration placed. The purpose of this in vitro study was to quantitively evaluate the sealing properties of various temporary restorative materials used in OD, MOD, and Occlusal access preparations. The materials tested we...

The purpose of this in vitro study was to compare microleakage of four root canal obturation techniques; laterally condensed gutta-percha (DiaDent, Korea) technique, thermoplasticized gutta-percha on a carrier (Maillefer-Thermafil, Dentsply, U.S.A) technique, thermoplasticized injectable gutta-percha (Ultrafil, The Hygenic Corp, Akron OH, U.S.A ) t...

Amaç: Yassi Kanallar standart bir güta-perka konun kolay adaptasyonuna izin vermezler. Bu tip kanalla- ra bir ana konun uyumu çözücüye daldirma tekniği ile hazirlanan şekillendirilmiş bir konla sağlanabilir. Bu in vivo çalişmanin amaci çözücüye daldirilarak sikiştirilan güta-perka tekniğinde kullanilan chlo- roform ve halotanin biouyumluluğunu değe...

SUMMARY Composite restorations may need to be repaired by the time. The purpose of this study was to evaluate in vitro shear bond strength of composite resins to composite restorations using different dentin bonding agents. Sixty resin blocks with an internal diameter of 2.5 cm and height of 5 cm were prepared. Cavities with diameter of 5 mm and he...