Dilek Yigit

Dilek Yigit
Qatar University

DDS PhD

About

44
Publications
16,205
Reads
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571
Citations
Additional affiliations
April 2021 - January 2022
Kocaeli Health and Technology University
Position
  • Professor
April 2016 - April 2021
Kocaeli University
Position
  • Professor (Associate)
May 2011 - April 2021
Kocaeli University
Position
  • Head of Department
Education
September 2003 - June 2009
Marmara University
Field of study
  • Endodontics
September 1996 - September 2001
Marmara University
Field of study
  • Dentistry

Publications

Publications (44)
Conference Paper
Objective The aim of this study was to determine the current prevalence and quality of endodontic treatments and investigate the relationship of various factors with periapical status in a Turkish subpopulation. Study Design The CBCT images of 1069 patients (50.9% males, 49.1% females; mean age 45.32 ± 13.50 years) who applied to Kocaeli Universit...
Article
Full-text available
The study aimed to evaluate the efficiency of the BTR-Pen system in removing different types of instrument fragments from root canals and to assess its effect on fracture resistance of the roots after the removal of the instruments. One hundred thirty human teeth were divided into 10 groups (2 control groups and 8 study groups) according to the loc...
Article
Full-text available
BACKGROUND The aim of this study was to determine the current prevalence and quality of endodontic treatments and investigate the relationship of various factors with posttreatment endodontic disease (PTED) in a Turkish subpopulation. MATERIAL AND METHODS The cone beam computed tomography (CBCT) images of 1069 patients (male, 50.9%; female, 49.1%;...
Article
Full-text available
Objective: To compare the efficacy of various techniques used for final irrigation on sealer penetration in the apical one-third of curved root canals. Material and Methods. Sixty-five freshly extracted maxillary first molar teeth with mesiobuccal roots having more than 20° of root curvature were used. The root canals were instrumented and randoml...
Article
Background/aim: Emergency department (ED) visits for dental issues are mostly related to traumatic injuries. The knowledge of ED physicians about diagnosis and treatment of dentofacial injuries is crucial for prognosis. The aim of this study was to evaluate the attitude and knowledge as well as education and self-confidence levels of emergency med...
Article
Full-text available
The objectives of this study were to compare the fracture strength of endocrown restorations fabricated with different preparation depth and various CAD/CAM ceramics, and to assess the fracture types. Endodontically treated 100 extracted human permanent maxillary centrals were divided into two preparation depth groups as short (S: 3-mm-deep) and lo...
Article
AIM: The Self-Adjusting File (SAF) system has been recommended for use in permanent teeth since it offers more conservative and effective root-canal preparation when compared to traditional rotary systems. However, no study had evaluated the usage of SAF in primary teeth. The aim of this study was to evaluate and compare the use of SAF, K file (man...
Article
Aim: The Self-Adjusting File (SAF) system has been recommended for use in permanent teeth since it offers more conservative and effective root-canal preparation when compared to traditional rotary systems. However, no study had evaluated the usage of SAF in primary teeth. The aim of this study was to evaluate and compare the use of SAF, K file (ma...
Article
Full-text available
The purpose of this study was to compare the incidence and longitudinal propagation of dentin defects after gutta-percha removal with hand and rotary instruments using microcomputed tomography. Twenty mandibular incisors were prepared using the balanced-force technique and scanned in a 19.9 μ m resolution. Following filling with the lateral compact...
Article
Full-text available
For forensic age estimation, radiographic assessment of third molar mineralization is important between 14 and 21 years which coincides with the legal age in most countries. The spheno-occipital synchondrosis (SOS) is an important growth site during development, and its use for age estimation is beneficial when combined with other markers. In this...
Article
Full-text available
The purpose of this study was to evaluate the radiopacity of different yttria-stabilized tetragonal zirconia polycrystalline (Y-TZP) ceramics used in the fabrication of fixed dental prostheses. Disk-shaped specimens (N=120, n=30 per group) were fabricated with thicknesses of 0.3, 0.5, and 1 mm from the following four Y-TZP ceramics: Cercon ht (Degu...
Article
This study evaluated the pull-out strength of different glass fiber posts and measured volume of cement and voids in the cement in the root canal utilizing micro-computerized tomography (micro-CT) analysis after they were cemented with two different luting cements. Canine teeth (N = 40) were endodontically treated and randomly divided into four gro...
Article
Full-text available
Objectives: To compare the contrast-to-noise ratio (CNR) of multiple acquisition settings for four types of retrograde filling materials in cone beam computer tomography images taken for endodontic surgery follow-up. Methods: Twenty maxillary central incisors were endodontically treated and obturated with four different root-end filling material...
Article
Objective: The aim was to evaluate the resistance to vertical root fracture (VRF) of retreated roots using rotary and hand instrumentation. Methods: Forty-five extracted maxillary incisor teeth had their crowns removed to standardize the root lengths to 16 mm. The root canals of the specimens were prepared using ProTaperUniversal (PTU) rotary instr...
Article
Introduction: After endodontic surgery, radiographic assessment is the method of choice to monitor bone defect healing. Cone-beam computed tomography scans are useful to check and identify the reasons of failure of surgical intervention or confirm healing; however, the artifact generated by some root-end filling material might compromise this task...
Article
To describe the impact of extruded paraformaldehyde-containing root canal cement into the inferior alveolar nerve canal following a delay in removal and the subsequent management of the case. A 30-year-old man was referred for management of prolonged anaesthesia in the right mandibular region following root canal treatment. Panoramic and cone beam...
Article
Full-text available
The purpose of this report is to present a rare case of a maxillary lateral incisor exhibiting two separate root canals confirmed by cone-beam computed tomography (CBCT). A 65-year-old female patient with an esthetic complaint regarding her maxillary left lateral incisor was referred to our clinic. During a radiographical examination, an endodontic...
Article
C-shaped canal system is a seldom-found root canal anatomy which displays a challenge in all stages of endodontic treatment. According to the literature, this type of canal morphology is not a common finding in the mandibular first molar teeth. This case report presents endodontic management of a mandibular first molar with a C-shaped canal system....
Article
Full-text available
Three-dimensional (3D) reconstruction of cone-beam computed tomography (CBCT) scans appears to be a valuable method for assessing pulp canal configuration. The aim of this report is to describe endodontic treatment of a mandibular second premolar with aberrant pulp canal morphology detected by CBCT and confirmed by 3D modeling. An accessory canal w...
Article
Full-text available
Radiopacity is an important property of composite materials for clinical diagnosis. For seven direct composites (Aelite LS Posterior, Aelite All-Purpose Body, Quadrant Universal LC, Clearfil Majesty Posterior, Clearfil Majesty Esthetic, Filtek Ultimate Dentin, IPS Empress Direct Dentin) and six indirect composites (Ceromega, Epricord, Estenia C&B,...
Article
Full-text available
The purpose of this study was to evaluate the presence of dentinal defects after root canal preparation with hand instruments and two different reciprocating instruments. Sixty freshly extracted mandibular incisor teeth were selected for this in vitro study. On the basis of root length, mesiodistal and buccolingual dimensions, the teeth were alloca...
Conference Paper
Objective: The aim of this study was to use micro-computed tomography (micro-CT) imaging to evaluate the efficacy of the reciprocating and rotary systems for the removal of root filling materials in comparison with hand files. Method: Thirty maxillary incisor teeth with straight and round root canals were decoronated, prepared with ProTaper® Univ...
Conference Paper
Full-text available
Objective: The aim of this study was to evaluate the radiopacity of direct and indirect composites at different thicknesses using digital image analysis method. Method: Disk-shaped (N=260, n=10 per group), seven direct composites (Aelite LS Posterior, Aelite All-Purpose Body, Quadrant Universal LC, Clearafil Majesty Posterior, Clearfil AP-X, Filt...
Article
This study aimed to use micro-computed tomography (micro-CT) imaging to evaluate the efficacy of the reciprocating and rotary systems for the removal of root filling materials in comparison with hand files. Thirty maxillary incisor teeth were prepared with ProTaper Universal (PTU) system, filled using cold lateral condensation and randomly divided...
Article
Introduction The purpose of this study was to document the characteristics of C-shaped canal systems in permanent mandibular second molars using a combination of orthopantomogram (OPT) and cross-sectional cone-beam computed tomographic (CBCT) imaging. Methods Two hundred participants (94 men and 106 women, mean age = 35 years) who underwent both r...
Article
Objectives: This study aimed to evaluate the apical seal obtained with lateral compaction of gutta-percha in oval-shaped root canals prepared with either self-adjusting files or ProTaper Universal rotary files. Materials and Methods: Twelve pairs of extracted mandibular premolars with oval-shaped root canals were randomly divided into two groups. T...
Article
The effect of ultrasonic debridement on cleaning isthmuses and the effect of obturation techniques on filling of isthmuses in mandibular first molars were evaluated. Sixty molars with two mesial canals were instrumented by rotary instruments, divided into four groups (15 each). Group 1 & 2 were irrigated by PUI (passive ultrasonic irrigation) or by...
Article
Lateral canals establish connection between the main root canal and periodontal ligament. The necrotic tissues and bacteria residing in the lateral canals are difficult to remove by mechanical and chemical cleaning and this influences filling the root canal efficiently and the outcome of the root canal therapy. The aim of this study was to evaluate...
Article
Nickel-titanium rotary instrument systems are used widely in endodontic practice. The clinical success of these systems have been shown in many studies. Retreatment is the one of the most challenging endodontic treatment procedure. Conventional nickel-titanium rotary instrument systems had been used for retreatment before, however problems associat...
Conference Paper
Objectives: To use cone-beam computed tomography (CBCT) to evaluate the prevalence and anatomical features of C-shaped canals in permanent mandibular second molars among members of a Turkish population. Methods: An endodontist and oral radiologist examined CBCT images of 271 Turkish mandibular second molars to determine the presence of C-shaped c...
Article
Aim: To use cone-beam computed tomography (CBCT) to evaluate the prevalence and anatomical features of C-shaped canals in permanent mandibular second molars amongst members of a Turkish population. Methodology: An endodontist and oral radiologist examined CBCT images of 271 Turkish mandibular second molars to determine the presence of C-shaped c...
Article
Full-text available
Dens invaginatus is a developmental anomaly that results in an enamel-lined cavity intruding into the crown or root before the mineralization phase. It typically affects permanent maxillary lateral incisors, central incisors, and premolars. This paper describes the root canal treatment of Oehlers' type II dens invaginatus in maxillary left lateral...
Article
Full-text available
The aim of this study was to evaluate the physical properties of EndoRez, Diaket, Epiphany, Roekoseal, Fibrefill, GuttaFlow, AHPlus, AH26 to that of a traditional zinc oxide based Kerr PCS sealers. Ten samples of each material were evaluated for flow, radiopacity, solubility and dimensional change tests according to ISO standards 2001-6876. The fin...
Article
Full-text available
To investigate the quality of root fillings and coronal restorations and their association with periapical status in an adult Turkish subpopulation. A total of 400 subjects were examined. Panoramic radiographs of all participants and additional periapical radiographs of affected teeth were processed. The frequency of root canal treatment and the pe...
Article
The aim of this study was to investigate the remote organ toxicity and connective tissue reaction of two new root canal sealers ("GuttaFlow(®)" and "EndoREZ(®)") and to compare them with zinc oxide eugenol sealer using biochemical and histopathological parameters. A total of 60 white albino Wistar rats were used in the study. 0.1ml of GuttaFlow(®),...
Article
Full-text available
To evaluate the success of certain methods that can be used in the removal of separated instruments from different levels in curved and straight canals. Instrument removal attempts were undertaken on 63 straight and 30 curved canals containing a pre-fractured instrument using the ultrasonics under the visualization of an operating microscope or con...
Article
Full-text available
To investigate apical leakage of roots filled with 6 different gutta-percha techniques; Thermafil, JS Quick-Fill, Soft Core, Microseal, System B and lateral condensation using a new computerized filtration meter. 60 extracted single rooted teeth were used. Coronal part of each tooth was removed and the root canals were prepared with step-back techn...

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