Zeynep Betül Arslan, Füsun Yaşar
OBJECTIVES: The aim of this study was to evaluate the differences in the thickness and internal structure of the masseter muscle in individuals with and without bruxism by ultrasonography. MATERIALS AND METHODS: A total of 60 female patients with and without bruxism whose ages were ranging between 20 and 35 were included in the study. The masseter muscle thickness was measured during rest and maximum bite position. Ultrasonographic internal structure of the masseter muscle is classified according to the visibility of echogenic bands...
May 22, 2023: Oral Radiology
Aslihan Artas, Eda Didem Yalcin
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...
May 21, 2023: Oral Radiology
Salih Eren Meral, Seyhan Karaaslan, Hakan Hıfzı Tüz, Serdar Uysal
No abstract text is available yet for this article.
May 4, 2023: Oral Radiology
Habib Al Hasan, Farhan Hasin Saad, Saif Ahmed, Nabeel Mohammed, Taseef Hasan Farook, James Dudley
PURPOSE: (1) To evaluate the effects of denoising and data balancing on deep learning to detect endodontic treatment outcomes from radiographs. (2) To develop and train a deep-learning model and classifier to predict obturation quality from radiomics. METHODS: The study conformed to the STARD 2015 and MI-CLAIMS 2021 guidelines. 250 deidentified dental radiographs were collected and augmented to produce 2226 images. The dataset was classified according to endodontic treatment outcomes following a set of customized criteria...
April 25, 2023: Oral Radiology
Nobuhiro Yamakawa, Yohei Nakayama, Nobuhiro Ueda, Takahiro Yagyuu, Shigehiro Tamaki, Tadaaki Kirita
OBJECTIVE: There is no known preoperative marker that can effectively predict the risk of delayed neck metastasis (DNM), which is an important factor that determines the prognosis of early-stage oral cancer. In this study, we examined whether 18F-fluorodeoxyglucose positron emission tomography (18F-FDG-PET)/computed tomography (CT) uptake parameters of primary cancer can predict the risk of DNM in early-stage oral squamous cell carcinoma (OSCC). METHODS: Data from patients with stage I-II OSCC who underwent surgical resection of the primary tumor without elective neck dissection between January 2009 and December 2016 were retrospectively reviewed...
April 21, 2023: Oral Radiology
J A Costa, J M Mendes, F Salazar, J J Pacheco, P Rompante, M I Câmara
The objective of this work was to perform an integrative review of the inspection of peri-implant bone defects using cone beam computed tomography (CBCT). An electronic search was performed in the PubMed database using the following scientific terms: CBCT or Cone Beam computed tomography; dental implant; peri-implant; bone loss; defects. The survey identified 267 studies, of which 18 were considered relevant to this study. These studies provided important data taking into account the accuracy of cone beam computed tomography in the detection and measurement of peri-implant bone defects such as fenestrations, dehiscence and intraosseous circumferential defects...
April 14, 2023: Oral Radiology
C Zogheib, R Roumi, A Baldi, P Palopoli, D Pasqualini, E Berutti, M Alovisi
OBJECTIVE: The objective of this study is to evaluate the occurrence of coronal dentinal micro-cracks after access cavity refinement using high-speed burs and ultrasonic tips by means of micro-computed tomography (micro-CT) analysis. METHODS: In this study, 18 mandibular cadaveric incisors were divided into two groups according to the protocol of the preparation of the conventional access cavity. The diamond bur 802 # 12 was used until the perforation of the pulp roof...
March 31, 2023: Oral Radiology
Tomoka Shima, Noriyuki Fujima, Shigeru Yamano, Hiroyuki Kameda, Masaaki Suzuka, Akiko Takeuchi, Yurika Kinoshita, Nanami Iwai, Kohsuke Kudo, Kazuyuki Minowa
OBJECTIVES: To investigate possible associations between diffusion-weighted imaging (DWI) parameters derived from a non-Gaussian model fitting and Ki-67 status in patients with oral squamous cell carcinoma (OSCC). METHODS: Twenty-four patients with newly diagnosed OSCC were prospectively recruited. DWI was performed using six b-values (0-2500). The diffusion-related parameters of kurtosis value (K), kurtosis-corrected diffusion coefficient (DK ), diffusion heterogeneity (α), distributed diffusion coefficient (DDC), slow diffusion coefficient (Dslow ), and apparent diffusion coefficient (ADC) were calculated from four diffusion fitting models...
March 27, 2023: Oral Radiology
Zahra Ghoncheh, Hanieh Kaviani, Sara Soleimani, Shifteh Nasri, Fatemeh Malekpour, Farzaneh Afkhami
OBJECTIVE: Root perforation is an adverse event that may accidentally occur during root canal treatment and can adversely affect the treatment plan and tooth prognosis. This study aimed to assess the accuracy of cone beam computed tomography (CBCT) for detecting the strip and furcal perforations with different sizes. METHODS: The mesiolingual canals of 155 extracted human mandibular first molars were instrumented and randomly divided into four experimental groups and one control group (n = 31)...
March 24, 2023: Oral Radiology
Ceyda Gündoğdu, Sinem Akgül
OBJECTIVES: The aim of the study was to evaluate and compare the radiopacity of 20 current dental resin composites with digital radiography. METHODS: Ten specimens, 10-mm in diameter and 1-mm thickness, were prepared and radiographed using phosphor plates close to Al step wedges and tooth sections. The mean grey values (MGVs) were measured using an ImageJ software program and converted to equivalent Al thickness. Data were analyzed using one-way analysis of variance (ANOVA) and Tamhane post hoc test (p < 0...
March 15, 2023: Oral Radiology
Andaç Imak, Adalet Çelebi, Onur Polat, Muammer Türkoğlu, Abdulkadir Şengür
OBJECTIVE: Impacted tooth is a common problem that can occur at any age, causing tooth decay, root resorption, and pain in the later stages. In recent years, major advances have been made in medical imaging segmentation using deep convolutional neural network-based networks. In this study, we report on the development of an artificial intelligence system for the automatic identification of impacted tooth from panoramic dental X-ray images. METHODS: Among existing networks, in medical imaging segmentation, U-Net architectures are widely implemented...
March 15, 2023: Oral Radiology
Gülsün Akay, M Ali Akcayol, Kevser Özdem, Kahraman Güngör
OBJECTIVES: This study aimed to automatically determine the cervical vertebral maturation (CVM) processes on lateral cephalometric radiograph images using a proposed deep learning-based convolutional neural network (CNN) model and to test the success rate of this CNN model in detecting CVM stages using precision, recall, and F1-score. METHODS: A total of 588 digital lateral cephalometric radiographs of patients with a chronological age between 8 and 22 years were included in this study...
March 9, 2023: Oral Radiology
Sotiria Gizani, Kyriaki Seremidi, Sofia Gkourtsogianni, Anastasia Mitsea
OBJECTIVES: Assess knowledge, attitudes and practices of paediatric dentists towards dentomaxillofacial imaging and correlate findings with practitioner and practice-specific characteristics. METHODS: An online questionnaire was sent to all paediatric dentists who attended a scientific seminar organized by the European Academy of Paediatric Dentistry (EAPD) regarding dental radiology. Data regarding available equipment, number, type and reason for performing radiographs, frequency and reasoning for retakes were collected...
March 3, 2023: Oral Radiology
Kiyomi Kohinata, Tomoya Kitano, Wataru Nishiyama, Mizuho Mori, Yukihiro Iida, Hiroshi Fujita, Akitoshi Katsumata
OBJECTIVE: This study explored the feasibility of using deep learning for profiling of panoramic radiographs. STUDY DESIGN: Panoramic radiographs of 1000 patients were used. Patients were categorized using seven dental or physical characteristics: age, gender, mixed or permanent dentition, number of presenting teeth, impacted wisdom tooth status, implant status, and prosthetic treatment status. A Neural Network Console (Sony Network Communications Inc., Tokyo, Japan) deep learning system and the VGG-Net deep convolutional neural network were used for classification...
April 2023: Oral Radiology
Elham S Abu Alhaija, Ahed M AlWahadni, Akram Al-Tawachi, Saba O Daher, Hasan O Daher
No abstract text is available yet for this article.
February 25, 2023: Oral Radiology
Elif Yildizer, Onur Odabaşı, Neda Hasanoğlu Erbaşar
OBJECTIVES: This study aimed to compare the congruency of surface geometry of the articulating bones and morphologic differences in temporomandibular joint (TMJ) structure, between patients with TMJ anterior dislocation and healthy controls. METHODS: The study included 15 patients with TMJ anterior dislocation and 15 controls who underwent cone-beam computed tomography. The surface angle of the articular fossa (fossa-concavity) and condyle (condyle-convexity) and joint spaces were measured from both sagittal and coronal views...
February 24, 2023: Oral Radiology
Mari Shibata, Ayataka Ishikawa, Junichi Ishii, Eri Anzai, Hisao Yagishita, Toshiyuki Izumo, Jun Sumino, Miki Katsurano, Yusoon Kim, Hiroaki Kanda, Masaru Ushijima, Kazuhiro Yagihara, Tetsuya Yoda
No abstract text is available yet for this article.
February 21, 2023: Oral Radiology
Berkhas Tumani Üstdal, Damla Soydan Çabuk, Aykağan Coşgunarslan, Burcu Evlice, Ahmet Evlice
OBJECTIVES: Antiepileptic drugs (AEDs) are used to control seizures in epilepsy and their long-term use is common. AED use has been associated with decreased bone mineral density. The aim of this study is to determine the effect of AEDs on mandibular bone quality using fractal analysis and panoramic morphometric indices. METHODS: In this study, dental and medical records of 132 patients (66 AED users and 66 control group) were used. Fractal analysis (FA), the panoramic mandibular index (PMI), mandibular cortical width (MCW), and Klemetti index (KI) measurements were performed on panoramic radiographs...
February 14, 2023: Oral Radiology
Matheus Sampaio-Oliveira, Marcos Paulo Maia de Lima, Paulo Victor Teixeira Doriguêtto, Julia Pereira Americano, Karina Lopes Devito
OBJECTIVE: To analyze the challenges and impacts of COVID-19 on the routine of Brazilian oral radiologists regarding changes in biosafety protocols, number of patients and staff, the flow of acquisition, and availability of images. METHODS: Structured digital questionnaires with questions related to the impacts of the COVID-19 pandemic on Oral Radiology were applied and analyzed. Descriptive statistical analysis was used to describe the items included in the survey, and means and standard deviations were calculated to describe continuous variables and frequency percentages to describe categorical data...
February 13, 2023: Oral Radiology
Ming Hong Jim Pun
No abstract text is available yet for this article.
February 11, 2023: Oral Radiology
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