Kahraman Güngör

Kahraman Güngör
Gazi University · Department of Oral and Maxillofacial Radiology

DDS, MSc, PhD, (Prof.Dr.)

About

118
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Publications

Publications (118)
Article
This study evaluated the efficiency of a new E/F-speed film, Insight, at the determination of approximal carious lesion depths compared with Ultraspeed. Radiographs of 80 extracted human molars and premolars were taken with both films under standardized conditions. The presence or absence of caries and depth of lesions was determined by three obser...
Article
This study evaluates the precision of the panoramic mandibular index (PMI). Measurements were made by two observers on both of the left and right sides of the mandible on the radiographs taken from 41 young individuals and the inferior and superior PMI were calculated. Two weeks later the same observers repeated their measurements to assess intrara...
Article
Full-text available
Purpose of this study was to investigate the most common position of the mental foramen in a selected Turkish population. The study sample included three hundred and sixty one panoramic radiographs of selected Turkish population taken in Faculty of Dentistry, University of Gazi. The most common position of the mental foramen was between the first p...
Article
Full-text available
The purpose of this study was to compare the efficiency of conventional and digital panoramic images for localization of mental and mandibular foramens. Six dry edentulous human mandibles were used in the study. Conventional and digital panoramic images were obtained and the vertical and horizontal measurements were performed for localization of me...
Article
To evaluate and compare the relative density values of a new endodontic core material (Resilon) and conventional gutta-percha. 15 Resilon and gutta-percha discs for testing radiopacity were prepared by first coiling three size 35 cones. The coiled material was evenly compressed into the well of a brass mold 10 mm in diameter and a depth of 1 mm. Al...
Article
Radiographic examination is very important for diagnosis and treatment planning in dentistry. Cone-beam computed tomography is an imaging methods that allows three-dimensional radiographic evaluation of maxillofacial structures. In recent years, three dimensional images have been used for the diagnosis and treatment of complex endodontic problems....
Chapter
Dental records are legal documents containing specific and medical information about the patient. Identification of individuals in mass disasters and forensic cases is a time-consuming process. Dentists can play an important role in providing forensic researchers the information they need to help identify individuals. Comparison of dental records i...
Article
Full-text available
PurposeThis study sought to assess the relationships between a morphological characteristic of the superior semicircular canal (SSC) and both the roof thickness of the glenoid fossa (GF) and bone changes of the temporomandibular joint (TMJ) on three-dimensional images.Methods Cone-beam computed tomography (CBCT) images of 200 individuals (105 femal...
Article
Objectives Lip and palate deformities are an important craniofacial congenital anomaly that negatively affects the anatomy of the nasal cavity and maxilla. This study aimed to evaluate the nasal septum deviation in individuals with a unilateral cleft lip and palate.Methods The sample consists of 22 unilateral cleft lip–palate patients and 20 contro...
Article
Objective: Fusion and gemination are developmental dental anomalies. The aim of this study was to determine the prevalence, localization, distribution according to age and gender of double teeth (fusion and gemination) in permanent dentition. Material and Methods: The presence of a fusion and/or gemination in patients admitted to the Department of...
Article
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PurposeThe main aim of the present study was to investigate the dimensions and morphological appearance of the sella turcica in cleft lip and palate patients using cone-beam computed tomography (CBCT) images, compared to non-cleft individuals.MethodsCBCT images of 40 (20 females and 20 males) cleft lip and palate patients and 60 (27 males and 33 fe...
Article
Full-text available
In the original publication of the article, the given name and family name of the author were swapped. The correct author name is given in this erratum
Conference Paper
Background: The aim of this case report was to present clinical and radiographic findings of incidentally found twin teeth in permanent dentition. Case Descriptions: The number of teeth in the oral cavity is examined clinically in order to differentiate fusion and gemination which are tooth shape alterations. Fusion results in an reduced number of...
Conference Paper
Full-text available
Background: Dental radiographs are important tools in the diagnosis of oral diseases. During undergraduate education, dentistry students use dental x-ray devices under clinical supervision. The aim of this questionnaire was to evaluate the knowledge of dental radiation protection and application knowledge of dental students and to raise awareness a...
Article
Full-text available
Objective: The aim of this study is to evaluate the correlation between the length of infundibulum and ostium height with the anatomic variations of osteomeatal complex and sinus pathology using cone-beam computed tomography (CBCT). Methods: CBCT images of 204 patients (408 maxillary sinuses) were evaluated retrospectively. The height of ostium...
Article
Abstract Aim: Cone-beam computed tomography is an important diagnostic tool in dentistry. However, cone-beam computed tomography technology has various limitations such as image artifacts. The aim of this study was to evaluate the incidence of various artifacts or errors in the cone-beam computed tomography images and to investigate the correlation...
Article
The aim of this study is to evaluate the applicability of the tooth coronal index (TCI) and Olze’s method for age estimation in Turkish individuals. The digital panoramic radiographs of 860 individuals ranging from 18 to 60 years of age were evaluated. The TCI was calculated using the ratio between coronal pulp cavity height and crown height in man...
Article
Full-text available
Purpose: Mental index (MI) and panoramic mandibular index (PMI) are important radiomorphometric indices used for assessing the quality of the mandibular bone. The aim of this study was to investigate the possible effect of mandibular posterior tooth/teeth loss in young adults on the MI and PMI (superior panoramic mandibular index: PMI-s, and infer...
Presentation
IMAGE DETERIORATING FACTORS IN CONE BEAM COMPUTED TOMOGRAPHY ABSTRACT Cone-beam computed tomography is an imaging method used for three-dimensional imaging of teeth and jaws in dentistry. In recent years, the use of cone-beam computed tomography, which has become an important diagnostic tool, is increased usage due to its lower cost, shorter-time i...
Article
Full-text available
Background: The mesiodens, located in the palatal midline between the two maxillary central incisors, is the most common type of supernumerary tooth. The aim of this study was to evaluate the distribution of mesiodentes according to shape, position, and complications using cone-beam computed tomography (CBCT) images. Methods: This study was carried...
Chapter
Aging is a natural and complex process. Throughout life, the accumulation of various harmful variables in the body gradually destroys the functions of cells and tissues and eventually leads to death. Changes in aging can be attributed to genetic and developmental disorders, environmental factors, diseases and congenital process (Harman, 2001). Nowa...
Article
Abstract The contraction of the pulp chamber with secondary dentin apposition is a significant morphological dental age predictor in adults. The aim of this study is to evaluate the applicability of Kvaal’s method and pulp/tooth volume ratio on cone-beam computed tomography (CBCT) images and develop a valid method for the Turkish adult population....
Article
Background and aim: The aim of this study was to investigate the morphometric analysis of the foramen magnum (FM) by using cone-beam computed tomography (CBCT). Materials and Method: This study included CBCT images of 178 individuals (88 males and 90 females). The sagittal and transverse diameters and circumference of the FM were measured. The shap...
Article
Full-text available
Fibrous dysplasia (FD) is a slowly growing benign skeletal fibro-osseous condition, resulting from a localized change in normal bone metabolism that results in the replacement of all the components of cancellous bone by fibrous tissue. A 50-yr-old male patient with FD attended our clinic with a complaint of swelling in the right maxilla. In extra-o...
Article
Robinow syndrome (RS) is an extremely rare condition. Characteristic craniofacial findings of RS include a fetal facial appearance, ear abnormalities and oral findings. The aim of this case report was to evaluate the oral findings of a 26-year-old man with RS and to describe the dental treatments performed. The patient had short stature, vertebral...
Poster
Full-text available
Keratocystic odontogenic tumor (KCOT) is a benign tumor originating from primordial tissues, characterized by specific histopathological and clinical features, aggressive biological behavior and high recurrence rate. Although it can be seen in every period of life, it usually shows settlement in 2nd and 3rd decades in mandibular ramus and molar reg...
Article
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ÖZET Çenelerde sıklıkla izlenen kistler ya odontojenik ya da non-odontojenik kaynaklı olabilir. Kistlerin klinik ve radyografik bulgularının iyi bilinmesi ile diğer lezyonlardan kolaylıkla ayırıcı tanıları yapılabilir. Böylece doğru tanı sonrası uygun tedavi planı uygulanır. Bu makalede çenelerin non-odontjenik kistleri başlığı altında nazopalatin...
Article
Objective: To evaluate the prevalence and distribution of posterior crossbite in different dentition stages in a Turkish sample. Study design: 1554 subjects (843 girls, 711 boys) aged 4-25 years were evaluated to determine the prevalence of posterior crossbite in a Turkish sample. The subjects were classified according to four dentition stages (...
Article
Full-text available
Aim: The purpose of this study was to estimate the prevalence of halitosis in an adult Turkish subpopulation and to assess the relationship between halitosis and sociodemographics, self reported halitosis, etiological factors, by employing standardized procedures for measurement of halitosis. Methods: The study included 459 subjects who referred to...
Article
Full-text available
Background The current study evaluated the effects of fixed and removable space-maintainers on halitosis and oral health of children. Methods Forty-three patients randomly selected between the ages 4–10 whom fixed or removable space maintainers were indicated in Gazi University, Faculty of Dentistry, Department of Pedodontics. The inclusing criter...
Article
Full-text available
Background/purpose: Exostoses are outgrowths of normal compact and cancellous bone and may occur in different locations of the jaw. Exostoses are a rare anatomic variation in the maxillary sinuses. The purpose of this study was to investigate retrospectively the prevalence of location, size, shape, and symmetry of exostoses in the maxillary sinus,...
Article
Full-text available
During routine panoramic radiographic examinations, a series of incidental findings may be observed in maxillary sinuses. One of these findings may be exostoses which are the outgrowths of compact and cancellous bone. In this case report, we represent two cases of exostosis of the maxillary sinus evaluated using cone-beam computed tomography. Altho...
Article
Aim: To assess the sagittal soft tissue morphology of patients with acromegaly in comparison with a healthy control group. Methods: Twenty-seven patients with acromegaly (11 male, 16 female; mean age 47.3 ± 11.5 years) and 30 healthy subjects (15 male, 15 female; mean age 42.2 ± 17.4 years) were included in the study. Linear and angular measurem...
Article
The repeatability of facial soft tissue thickness measurements at 10 standard anatomical landmarks was evaluated using lateral X-ray images obtained from 50 adult subjects. The intra-and inter-observer error rates were calculated after four practitioners took measurements using Denta Pacs 8.1 software. The results indicated high inter- and intra-ob...
Article
Full-text available
Objectives: To assess the maturation stages of permanent maxillary and mandibular 2nd and 3rd molar teeth according to age and establish any relation of congenital absence of 3rd molar regarding maturation stages of 2nd molars. Material and Methods: Digital panoramic radiographs present in the archive of the radiology department taken from 1070 pat...
Article
Background: The aim of the present study was to evaluate the prevalence and characteristics of impacted permanent molars in a Turkish subpopulation. Materials and Methods: A total of 45816 panoramic radiographs of patients aged more than 13 years were examined retrospectively to determine the presence, number, location, position, and related compli...
Poster
Full-text available
The infraorbital nerve is responsible for sensory innervation to the part of the face between the lower eyelid and the upper lip . The infraorbital foramen and canal containing the infraorbital nerve are important anatomic structures for surgery and anesthesia. The infraorbital canal (IC) located above the maxillary sinus in orbit floor. IC is an i...
Article
Facial reconstruction is a technique employed in a forensic investigation as a last resort to recreate an individual's facial appearance from his/her skull. Forensic anthropologists or artists use facial soft tissue thickness (FSTT) measurements as a guide in facial reconstructions.The aim of this study was to develop FSTT values for Central Anatol...
Article
Full-text available
Background: To assess the dimensions and volume of sella turcica in healthy Caucasian adults with normal occlusion and facial appearance from cone-beam computerized tomography (CBCT) images. Materials and methods: CBCT images of 80 Caucasian adult patients (40 males, 40 females) with normal facial appearance and occlusion taken previously for di...
Article
Wilson's disease (WD), also known as hepatolenticular degeneration, was first described in 1912 by Kinnear Wilson. It is an autosomal recessive disorder caused by mutations in the ATP7B gene, a membrane-bound copper transporting ATPase. The disorder is caused by impairment of the copper transporting ATPase, ATP7B, in the liver, which disturbs coppe...
Data
Full-text available
Objective: To evaluate Angle’s classification and dental aesthetic index (DAI) in interpretation of malocclusion among orthodontic patients. Methods: A total of 457 orthodontic patients (284 female, 173 male) between 9 to 17 years old who referred to the orthodontic clinic were included in this study. Malocclusion prevalence, the severity of malocc...
Article
The aim of this study was to assess the distribution of sagittal occlusal relationships in different dentition periods in a Turkish sample group. In total, 1,110 patients (561 females, 549 males) aged 4.6-23 years were randomly chosen after intraoral clinical examination. The subjects were classified according to their sagittal occlusal relationshi...
Article
Objective: The aim of this study was to assess differences in craniofacial characteristics, upper spine and pharyngeal airway morphology in patients with acromegaly compared with healthy individuals. Materials and methods: Twenty-one patients with acromegaly were compared with 22 controls by linear and angular measurements on cephalograms. The d...
Poster
Full-text available
Sturge-Weber sendromu (SWS) kraniyofasiyal bölge, deri, göz ve oral bölgede anormal damar oluşumları ile karakterize, nadir görülen, nörokutanöz bir hastalıktır.
Poster
Full-text available
Diş hekimlerinin Gardner sendromunun klinik ve radyolojik bulgularından haberdar olması, hastalığın erken teşhisi ve hastanın yaşam kalitesinin artırılması açısından önemlidir. Bu hastaların tedavisi gastroentrolog, onkolog ve diş hekiminin dahil olduğu multidisipliner yaklaşım ile yapılmalıdır.
Article
AimDistomolars are defined as the supernumerary teeth that erupt distal to the third molar. The aim of the present study was to evaluate the prevalence of distomolars in permanent dentition in a non-syndromic Turkish subpopulation.MethodsA total of 10 111 panoramic radiographs of patients aged 18 years and over, who had no systemic diseases and syn...
Article
Full-text available
To compare different radiographic methods for assessing endodontically treated teeth. Root canal treatments were applied in 120 extracted mandibular teeth, which were divided into four groups: (1) ideal root canal treatment (60 teeth), (2) insufficient lateral condensation (20 teeth), (3) root canals filled short of the apex (20 teeth), (4) overfil...
Article
ABS TRACT Objective: The aim of this study was to compare the effect of different filters on subjective image quality of the alveolar crest and periapical region of maxillary and mandibular teeth on direct digital panoramic images. Material and Methods: Direct digital panoramic images taken from 56 patients with the Orthoralix 9200 DDE (Gendex Dent...
Article
The aim of this study was to investigate the diagnostic accuracy of conventional bitewing, periapical radiographs, unfiltered and filtered digital panoramic images for the assessment of approximal carious lesions in posterior teeth. 20 patients who required bitewing, periapical and panoramic radiographs participated in the study. The digital panora...
Article
The purpose of this study was to evaluate the radiopacity of a new root canal sealer, Epiphany, relative to 3 other root canal sealing materials, AH 26, Sealapex, and Ketac-Endo. Radiographs were taken of 1-mm-thick specimens of 4 root canal sealers and dentine slides, as well as a range of aluminum thicknesses, by using a step-wedge. The radiograp...
Article
Full-text available
Biometrical studies on ancient skeletal series and comparison with modern people by using radiological methods are quite limited in Turkey. Previous studies showed that measurements obtained from orthopantomographs are highly correlated with the actual size of the bones. The aim of the present study is to determine the possible change in gonial ang...
Article
Full-text available
Teeth are considered one of the most informative and durable parts of the skeleton. In Dental Anthropology, they are used to obtain information on culture, health, diet, variability and evolutionary trends in dental morphology as well as development, eruption and dental pathologies in the past and modern populations. In this study, an attempt was m...
Article
The aim of this study is to evaluate the frequency of common errors seen on panoramic radiographs taken in the Radiology Department of a dental school by trained assistants. Four hundred and sixty radiographs were evaluated for 20 categories of common errors. Out of the evaluated radiographs, 37.61% were found to be error-free. The most common erro...