Nihal Avcu

Hacettepe University · Faculty of Dentistry

Background: Coronavirus disease 2019 (COVID‑19) continues to affect dental emergency services worldwide. Dental anxiety (DA) is described as a common and distressing problem in terms of oral health maintenance. Objectives: The present study aimed to evaluate DA levels as well as the COVID‑19 fear and perception of control (COVID‑19 FPC) in patie...

Objective This study aimed to assess the quality of root canal fillings and the prevalence of periapical radiolucencies in the permanent teeth of 6–18 year-old Turkish children.MethodsCBCT images of 150 patients’ 235 teeth with a mean age of 16.0 ± 2.06 years were included. Root development stage, quality of root canal filling, the presence and sev...

Glomus tumour is a rare soft tissue neoplasm arising from glomus body, which is in an arteriovenous anastomosis located particularly in the dermis. This tumour occurs most commonly in hands and feet, and is seldom found in other sites. The purpose of this report is to describe an unusual case of glomus tumour in the lip. A 17-year-old woman with a...

Kimliklendirmede yaş tayini esastır. Yetişkinlerin yaş tayini için dental dejeneratif değişikliklere dayanan çeşitli yöntemler geliştirilmiştir. Literatüre göre, pulpada sekonder dentin birikimi ile kronolojik yaş arasında güçlü bir ilişki olduğu saptanmıştır. Bunun sebebi, sekonder dentin birikiminin zamanla, yavaş yavaş oluşması ve pulpa odasını...

Purpose. Frontal sinus evaluation provide useful information for gender determination. Especially advanced imaging techniques offer improvements to the qualitative and quantitative morphological analysis of frontal sinus. The present study aimed to investigate the reliability of gender determination by means of frontal sinus measurements in two dif...

Inverted papilloma (IP) is a benign tumour characterized by the growth of epithelial cells downward into the underlying supportive tissue. The tumour derives from the lining mucosa of the nasal cavity and paranasal sinuses. IP typically arises as a unilateral lesion from the lateral wall of the nasal cavity and extends secondarily to the paranasal...

Eagle’s syndrome (ES), also known as the stylohyoid syndrome, is defined as the elongation of a styloid process by more than 30 mm and the mineralization of the stylohyoid-stylomandibular ligament. Two types of ES are described in the literature: classical stylohyoid syndrome and vascular stylocarotid syndrome. While bilateral ES is commonly seen i...

Objectives: The aim of this study was to make radiomorphometric measurements on panoramic images and evaluate the radiologic findings of bones and teeth in patients with scleroderma. Study design: Panoramic images of 49 patients with scleroderma and 51 healthy controls were assessed. Mandibular radiomorphometric indices, including mandibular cor...

The aim of this study is to assess oral clinical and radiological findings of patients with mucopolysaccharidoses (MPS) which are a group of rare inherited disorders of glycosaminoglycan catabolism. In this retrospective and descriptive study, records of all patients with MPS over 3 years of age managed at Division of Pediatric Metabolism, who were...

Objectives: The aim of this study was to investigate the applicability of Drusini's and Cameriere's methods to a sample of Turkish people. Methods: Panoramic images of 200 individuals were allocated into two groups as study and test groups and examined by two observers. Tooth coronal indexes (TCI), which is the ratio between coronal pulp cavity...

Background and Design: Oral lichenoid lesions (OLL) are contact stomatitis characterized by white reticular or erosive patches, plaque-like lesions that are clinically and histopathologically indistinguishable from oral lichen planus (OLP). Amalgam dental fillings and dental restoration materials are among the etiologic agents. In the present study...

Öz Özet Gelişen teknoloji ile birlikte diş hekimliğinde konvansiyonel radyoloji dijital radyoloji ile yer değiştirmektedir. Charged-Coupled-Device, Complementary Metal Oxide Semiconducter ve fosfor plakları dijital radyolojide kullanılan sensörlerdir. Konvansiyonel filme olan benzerlikleri, kablosuz olmaları, mevcut film tutucular ile uyumlu olmal...

Periodontal diseases are frequently associated with cardiovascular diseases (CVD). On the other hand, occurrence of CVD has also been related with increased blood viscosity. This study was planned to investigate four main hemorheological parameters contributing to blood viscosity -hematocrit, erythrocyte deformability, erythrocyte aggregation and p...

Objectives: The aim of this study was to evaluate the number, area, circumference, and circularity of lingual fungiform papillae and taste sensitivity in Behçet's disease (BD) and the correlation with the disease. Materials and methods: Eighty-six Behçet's patients and 78 healthy control subjects were examined. After taking digital photographs f...

The aim of this study was to determine the relationship between the presence of pulp calcification and carotid artery calcification on dental panoramic radiographs in end-stage renal disease (ESRD) patients on haemodialysis and renal transplant recipients. A total of 60 nephrology patients (29 haemodialysis patients and 31 renal transplant recipien...

The aims of this study were to compare the radiopacity of 8 root canal sealers relative to gutta-percha and dentin in standard discs and to evaluate the effect of these sealers on the radiopacity of root canal fillings in simulated canals. Radiographs were taken of 1-mm-thick specimens of 8 root canal sealers (Diaket, Endion, MTA, Endofil, Roeko Se...

Neurofibromatosis, NF, is a group of genetic disorders that primarily affect the cell growth of neural tissues. Cranio-orbital-temporal neurofibromatosis is an uncommon subtype of neurofibromatosis characterized by neurofibromas, cranial defects, and specific bone lesions. This case report presents the signs of cranial defects in a 24-year-old Cauc...

The aim of this study was to evaluate the effects of daily turban wear on temporomandibular joint (TMJ) problems. This cross-sectional study was carried out on 249 female patients. Of these, 119 patients were using turban daily, while 130 patients did not use. Patients were asked questions to ascertain the signs of TMJ problems. Thereafter, the TMJ...

We report on two undiagnosed horizontal root fractures of two maxillary right central incisors in two different patients caused by dental trauma which occurred several years ago. These fractures were discovered during a routine full-mouth radiographic examination. While, in case one, the fracture was located in the middle-third of the root, it was...

The purpose of this study was to compare the cytotoxicity, induced apoptosis and/or necrosis, and apoptotic mechanisms in human periodontal ligament (PDL) fibroblasts treated with four different endodontic materials: White ProRoot mineral trioxide aggregate (MTA) (MTA/Dentsply; Tulsa Dental, Memphis, TN), Diaket (ESPE, Seefeld, Germany), Endion (VO...

Palatal lesions and associated palatal pain are a common occurrence, whereas spontaneous aneurysm of a cerebral artery is rare. We report a case involving a spontaneous aneurysm of the middle cerebral artery that manifested initially as palatal pain. It is important for dental practitioners to be familiar with unusual causes of palatal pain. Those...

Cardiovascular disease (CVD) is the leading cause of mortality in renal transplant recipients (RTR). Systemic and periodontal inflammation has been suggested to have a possible role in the development of atherosclerosis. In the present study, we aimed to investigate the relationship between gingival health status, inflammation and atherosclerosis i...

Tooth transposition is a rare positional anomaly that may create many orthodontic problems. Its etiology is an enigma. The occurrence of mandibular canine/lateral incisor transposition is a relatively rare anomaly. Two rooted canine/rotated incisor transposition has not been reported previously in the clinical dental literature. We describe a case...

The purpose of the study was to determine oral health status and the prevalence of oral mucosal lesions among hospitalized elderly patients with physical disabilities. The study group consisted of 111 (43 male and 68 female) elderly patients with physical disabilities. Clinical examination and interview methods were employed. Clinical examination r...

To determine the prevalence of carotid calcification on dental panoramic radiographs in end-stage renal disease (ESRD) patients on haemodialysis and renal transplant recipients. Panoramic radiographs of 69 adult patients with renal disease (34 with haemodialysis and 35 with renal transplantations) (age range 17-74 years; mean age 39.45 years) and 5...

Bilateral bifid mandibular condyles are rare and may appear as a congenital or developmental anomaly. A case of bilateral bifid mandibular condyles is reported. The patient had no history of trauma and no link was apparent with respect to the patient's medical history. In this case, the condition was an incidental panoramic radiographic finding. Ma...

An asymptomatic case in which severe hypodontia and mandibular ectopic impacted teeth in the coronoid processes are visualized through panoramic radiographs, is presented.

The aim of this study was to assess the prevalence of nine tongue conditions and relate to data obtained about oral hygiene or habits in Turkish dental outpatients. A total of 5150 subjects (2837 women, 2313 men) were included in this study. Of the 5150 subjects, 2690 subjects were detected as having tongue lesions with a prevalence of 44.2 and 62....

735 male and female patients suffering from dental and orofacial pain were examined. Pain was referred in 94 (12.78%). Most of the referred pain cases had sinusitis or pathologies of the adjacent teeth. Pain relief was obtained in 78.7% of the subjects with referred pain following the treatment of the primary pathology.

The purpose of this study was to measure the pressure pain threshold in acute and chronic pulpitis. 52 patients were introduced into this study and their affected and contralateral tooth and contralateral tooth plus four reference points from different body surfaces were tested with a pressure algometer to find out the pressure pain threshold value...

The aim of this study was to determine whether a relationship exists between gastric and oral Helicobacter pylori and oral hygiene in patients with vitamin B12 deficiency. One hundred eight patients with vitamin B12 deficiency who were H pylori -positive in their gastric mucosa were enrolled in the study. These patients were divided into 3 groups d...

Dens in dente ve füzyon iyi bilinen ve iyi tanimlan- miş dental anomaliler olmasina rağmen süpernume- re dişlerde nadiren görülürler. Füzyon özellikle mak- siller anterior dişlerde oluştuğunda estetik problem yaratir. Bu makalede, süpernumere iki anterior dişte nadir görünen dens in dente ve füzyonun birlikte görüldüğü bir olgu rapor edilmiştir. Al...

Florid semento-osseoz displazi (FSOD) nadir görülen, benign, fibro-osseöz bir lezyondur. FSOD her iki çene kemiğinde de gelişebilir. Tek çenede geliştiğinde, çoğunlukla mandibulayi etkilemektedir. Orta yaşlarda ve özellikle kadinlarda sik görülür. Bu raporda 48 yaşinda kadin hastada FSOD olgusu sunulmuştur. Taniya, klinik görünüm, radyografik ve hi...