Investigation of the relationship of the maxillary sinus floor with maxillary posterior teeth using cone beam CT.

Background: Any intervention to the maxillary posterior teeth (MPT) and alveola pose a risk of sinus perforation. Given the proximity of these structures, this study aimed to investigate the relationship between the maxillary sinus (MS) and MPT.

Materials And Methods: CBCT images obtained from 207 patients (mean age, 45 ± 17 years; age range: 18-92 years) including 99 females and 108 males were examined retrospectively.

Morphometric Analysis of the Sella Turcica on Cone-Beam Computed Tomography Images.

Introduction: Sella turcica is an important anatomic formation that contains the pituitary gland and is in a close neighborhood with many vital structures. It is important to know the morphometry of the sella turcica, as it is a transition point during surgical interventions such as the endoscopic endonasal transsphenoidal approach to the region. The findings obtained are thought to be useful in the examination of sella turcica and surrounding structures and will contribute to the literature by knowing the morphometry of the region for the surgical method.

Evaluation of submandibular and parotid salivary glands by ultrasonography in patients with diabetes.

Background: Microvascular complications of diabetes mellitus (DM) include oral manifestations and complications, including xerostomia, reduced salivary flow, susceptibility to infection, periodontal disease and salivary gland enlargement.

Objective: The present study aims to evaluate B-mode ultrasonography (USG) parameters such as size, volume and echogenicity of the submandibular and parotid salivary glands on both sides, shear-wave elastography (SWE) value and colour Doppler properties in patients with DM and healthy control groups.

Methods: In total, 160 right and left submandibular glands and 160 right and left parotid glands of 80 patients, 40 patients (20 type 1 DM, 20 type 2 DM) and 40 healthy control group, between the ages of 18-70 were examined by USG.

Evaluation of the validity of mental foramen USG measurements by comparison with CBCT and determination of blood flow.

Objectives: To examine mental foramen (MF) morphology and morphometry in comparison with ultrasonography (USG) and cone-beam computed tomography (CBCT), and to determine the relationship between mental artery blood flow parameters and age, gender, dental status, alveolar crest height, mandibular cortical index (MCI) with USG.

Methods: A total of 120 MF and mental arteries of 60 patients (21 males and 39 females), including 20 patients in each group, aged 18-39, 40-59, and 60 years and above, were evaluated. The horizontal and vertical diameter of the MF and the distance between it and the alveolar crest were evaluated with USG and CBCT.

Radiologic Evaluation of the Fossa Navicularis on Dry Skull: A Comparative CBCT Study.

Fossa navicularis (FN) is defined as bony depression that is not always present and is located anterior to the foramen magnum and pharyngeal tubercle on the inferior aspect of the basilar part of the occipital bone. It has been reported that FN can create an infection spread path from the pharynx to the intracranial structures. Therefore, the diagnosis of this variation is important.

Change in the Location of the Optic Strut Relative to the Anterior Clinoid Process Pneumatization.

Objective: This study aimed to peruse the alteration of the position of the optic strut (OS) according to the anterior clinoid process (ACP) pneumatization.

Methods: This retrospective study conducted on cone-beam computed tomography images of 400 patients with a mean age of 36.49±15.

Ultrasonographic evaluation of the effect of splint therapy on masseter muscle and blood flow in patients with bruxism.

Objective: To investigate the effect of splint therapy on masseter muscle and blood flow in patients with bruxism using ultrasonography (USG).

Methods: Twenty female patients with bruxism receiving splint treatment were studied. Masseter thickness and elasticity were assessed using gray-scale USG and shear-wave elastography (kPa) at rest and maximum clenching.

Comparison of the Gonial Angle With Age and Gender Using Cone-Beam Computed Tomography Images.

Introduction The mandible is one of the most important bones used in gender determination in forensic medicine and anthropology. In literature, there are many studies examining the relationship between the gonial angle on the mandible and gender. However, these studies reported different results.

Evaluation of the Cranial Aperture of the Optic Canal on Cone-Beam Computed Tomography Images and its Clinical Implications for the Transcranial Approaches.

Objective: This study aimed to investigate morphometric properties of the cranial aperture (CA) of the optic canal.

Methods: Cone-beam computed tomography images of 400 individuals (200 males and 200 females) aged 37.32 ± 15.

Anatomical Evaluation of the Foramen Magnum on Cone-Beam Computed Tomography Images and Review of Literature.

Background and objective The morphology and morphometry of the foramen magnum (FM), which provides a passageway to vital neurological structures that relay information to and from the brain and spinal cord, are significant for many surgical approaches and applications. It was aimed to investigate the morphometric and morphological features of the FM on the cone-beam computed tomography (CBCT) images and to review the literature in detail. Methods CBCT images of 400 individuals (200 males, 200 females, aged between 18 and 65) were evaluated by Planmeca Romexis Viewer.

The Radiological Evaluation of the Mastoid Process and Its Implications for Surgical Approaches.

Background and objective In various surgical procedures, in approaching the posterior fossa and the posterolateral cranial base, surface markings are used to locate the groove for transverse and sigmoid sinuses, and their junction. Determining these surface landmarks, especially the mastoid bone and its surrounding anatomical formations, is extremely valuable. The purpose of this study was to examine the anatomical features and the relationship between the mastoid process and surrounding structures on cone-beam CT (CBCT) images.

Morphometric and volumetric evaluation of maxillary sinus in patients with chronic obstructive pulmonary disease using cone-beam CT.

Objectives: The purpose of present study is to assess the maxillary sinuses patients with COPD morphometrically and volumetrically using cone-beam computed tomography (CBCT) images and compared these findings according to in age and gender of control groups.

Methods: CBCT images of 80 individuals that exist from 40 patients with COPD and 40 healthy individuals (6 females, 34 males) in the tomography archive were retrospectively analyzed. The volume and surface area of maxillary sinuses in COPD and control group were measured by semi-automatic segmentation method and obtained findings were statistically examinated according to age, gender.

Radiologic evaluation of the fossa navicularis: incidence, morphometric features, and clinical implications.

Introduction: The aim of this study was to determine the incidence and morphometric and morphological characteristics of fossa navicularis (FN) on cone beam computed tomography (CBCT) images of healthy adults MATERIALS AND METHODS: CBCT images of 900 individuals (450 males, 450 females, over the age of 18) admitted to Gaziantep University, Dentistry Faculty were retrospectively examined. The incidence and shape of FN were determined. Transverse diameter (TDFN), sagittal diameter (SDFN), depth in transverse section (DFNT), depth in sagittal section (DFNS), and the shortest distance between the deepest point of FN and intracranial cavity (FNI) were measured.

The Radiological Evaluation of the Crista Galli and Its Clinical Implications for Anterior Skull Base Surgery.

Introduction: Crista galli is extremely important in the endoscopic transcribriform approaches and some extradural approaches. Because of its clinical significance, the morphometric properties of crista galli should be well known. In this study, it was aimed to examine the morphometry and the pneumatization incidence of the crista galli in cone beam computed tomography (CBCT) images.

The influence of voxel size and artifact reduction on the detection of vertical root fracture in endodontically treated teeth.

Objective: The aim of this study was to evaluate the effect of voxel size and artefact reduction (AR) on the identification of vertical root fractures (VRFs) in endodontically treated teeth.

Methods: A total of a hundred sound, extracted human mandibular single-rooted premolars were decoronated, after which root canal preparation was performed, canals were filled with gutta percha by single cone technique. Randomly selected fifty specimens were fractured, repositioned and glued together.

Examination of the Safe Zone in Mandibular Ramus Osteotomies.

In the surgical procedures such as osteotomy to be applied to ramus of the mandible, care should be taken not to damage the inferior alveolar nerve (IAN). The safe zone, which is the area above and behind the mandibular foramen (MF), is the ramus of mandible area, where these surgeries can be performed without damaging the inferior alveolar neurovascular bundle. It was aimed to determine the safe zone in the ramus of mandible in the cone-beam computed tomography (CBCT) images of individuals.

Morphometric evaluation of the temporomandibular joint on cone-beam computed tomography.

Introduction: Evaluation of the temporomandibular joint (TMJ) pathologies with cone-beam computed tomography (CBCT) provides essential information about the bone structures of the TMJ. It is important to know the normal reference range when defining these pathologies. The aim of this study is to examine the morphometric and morphologic analyses of the bone structures of TMJ on the CBCT images in detail according to age, gender, and joint side.

Analysis of enamel structure and mineral density after different bleaching protocols using micro-computed tomography.

Objective: This study aims to investigate the effect of three different bleaching applications on structural integrity, mineral volume (MV) and density of the enamel by using micro-computed tomography (Micro-CT) and evaluate the colour effectiveness using CIEDE2000.

Materials And Methods: Twenty-four maxillary premolar teeth were divided into three groups ( = 8) (group 1: 40% HP gel with erbium, chromium: yttrium-scandium-gallium-garnet (Er,Cr:YSGG) laser activation; group 2: 40% HP gel with diode laser activation; group 3: 16% CP gel). Bleaching protocols were applied and colour alteration was obtained.

Anatomical evaluation of the craniovertebral junction on cone-beam computed tomography images.

Introduction: There are many craniometric measurements that are used in evaluating craniovertebral junction (CVJ) pathologies such as basilar invagination, atlantoaxial dislocation and platybasia. Therefore, it is important to determine the normal reference range of the craniometric measurements. This study aims to determine the morphometric reference values of the bony structures in the CVJ from cone-beam computed tomography (CBCT) images of a group of South Eastern Anatolian population.

Assessment of sphenoid sinus types in patients with cleft lip and palate on cone-beam CT.

Purpose: The aim of this study is to examine the sphenoid sinus morphology and variations in patients with cleft lip and palate (CLP) on cone-beam computed tomography (CBCT) images, and to compare them with healthy controls.

Methods: CBCT images of 54 patients (28 males and 26 females,) with CLP and 54 age- and gender-matched healthy individuals (28 males and 26 females) were retrospectively evaluated. Sphenoid sinus main types (conchal, presellar, sellar, postsellar), sellar subtypes, clival and lateral extensions, and sinus septation were analyzed in CLP and control groups.

Relationship between mandibular condyle and articular eminence cortication with mandibular cortical index on cone-beam CT.

Purpose: Mandibular condyle development can be evaluated with radiographic evaluation of subchondral cortical bone. The aim of this study is to investigate mandibular condyle cortication (MCC), articular eminence cortication (AEC) and mandibular cortical index (MCI) according to age and gender on CBCT, and relationship between each other.

Methods: CBCT scans of 520 patients (312 male and 208 female, age range 7-84) were retrospectively investigated to evaluate MCC, AEC and MCI.

Relationship Between the Posterior Superior Alveolar Artery and Maxillary Sinus Pathology: A Cone-Beam Computed Tomography Study.

Purpose: The purpose of the present study was to assess the relationship between the posterior superior alveolar artery (PSAA), which plays an important role in the maxillary sinus blood supply, and maxillary sinus pathologic entities using cone-beam computed tomography (CBCT).

Materials And Methods: The CBCT data from 325 patients (650 sinuses), aged 18 to 55 years, who had been referred to the Department of Dentomaxillofacial Radiology from 2015 to 2017 were evaluated retrospectively. For the PSAA examination, the axial, coronal, and sagittal CBCT images were evaluated for detection of an osseous canal in the lateral wall of the maxillary sinus and the prevalence, position, and location of the canal.

Morphometric Analysis of Sella Turcica Using Cone-Beam Computed Tomography in Patients With Cleft Lip and Palate.

Objective: The purpose of this study is to evaluate morphometric analysis of sella turcica using cone-beam computed tomography (CBCT) in patients with cleft lip and palate (CLP) and healthy controls.

Methods: Cone-beam computed tomography images of 68 patients (36 males, 32 females, age range 7-20 years) with CLP and 68 healthy individuals (36 males, 32 females, age range 8-19 years) were examined retrospectively. Sella turcica shapes were analyzed by 2 different methods in CLP and control groups.

Cone-Beam Computed Tomography Study of Mandibular Condylar Morphology.

Objective: The purpose of this study was to evaluate the morphology of mandibular condyle using cone-beam computed tomography (CBCT) on coronal sections in a South-Eastern Anatolian population.

Methods: A total of 1820 joints in 910 subjects with age range of 18 to 86 years were examined retrospectively on CBCT images. The mandibular condylar morphology was examined in right and left sides on coronal sections and classified as convex, round, flat, and angled.