Results 31 to 40 of about 40,450 (267)

Assessment of the Absorbed Dose Variations in the Thyroid Gland Exposed to Orthopantomography (OPG) while Swallowing: A Novel Approach to Radiation Protection [PDF]

open access: yesJournal of Biomedical Physics and Engineering
Background: The reliance on specialized diagnostic techniques is on the rise across various medical fields, including dentistry. While orthopantomogram (OPG), offers many advantages in terms of dental diagnosis, it also poses potential risks to sensitive
Hassan Vafapour, Zaker Salehi
doaj   +1 more source

Bacterial Contamination of Digital Panoramic Dental X-Ray Equipment

open access: yes치위생과학회지, 2023
Background: Digital panoramic dental X-ray equipment (PDX) is frequently used by patients and dental workers for diagnosis and examination in dental institutions; however, infection control has not been properly implemented.
Lee-Rang Im, Ji-Hyun Min, Ki-Rim Kim
doaj   +1 more source

Radiographic study of dental anomalies in brazilian patients with neuropsychomotor disorders

open access: yesJournal of Applied Oral Science, 2007
The purposes of this study were to investigate radiographically the dental and maxillomandibular in patients with neuropsychomotor disorders and determine the role of panoramic radiographs for quantitative and qualitative analyses of dental alterations ...
Erick Nelo Pedreira   +4 more
doaj   +1 more source

Perbandingan Tinggi Tulang Maksila dan Mandibula di Regio Interisisivi Sentral antara Pra dan Pasca Perawatan Ortodontik dengan Pencabutan ke Empat Gigi Premolar Pertama (Kajian pada Foto Panoramik)

open access: yesMajalah Kedokteran Gigi Indonesia, 2012
Latar belakang. Perawatan ortodontik pada kasus-kasus gigi berjejal dan protusif sering membutuhkan pencabutan gigi premolar untuk penyediaan ruang agar gigi berjejal dapat dirapikan dan gigi depan yang protusif dapat diundurkan.
Wayan Ardhana
doaj   +1 more source

Comparison of Digital OPG and CBCT in Assessment of Risk Factors Associated with Inferior Nerve Injury during Mandibular Third Molar Surgery

open access: yesDiagnostics, 2021
Background: Pre-operative radiographic assessment of the anatomical relationship between the roots of the mandibular third molar and the inferior alveolar nerve (IAN) is a must to minimize the risk of IAN injury during surgery. Objectives: To compare the
Rakhi Issrani   +8 more
doaj   +1 more source

History of Panoramic Radiography [PDF]

open access: yesActa Radiologica, 1996
The first attempts to image the whole jaw were made with intraoral radiation sources at the beginning of this century. The narrow-beam principle was described in 1922. Experimental work and development of equipment in the 1950s resulted in commercially available machines in the early 1960s.
openaire   +2 more sources

A Lightweight, 3D‐Printable, Low‐Cost, “One‐Click” Dorsal Skin Window for High‐Quality Long‐Term Multimodal Subcutaneous Tumor Imaging

open access: yesAdvanced Healthcare Materials, EarlyView.
An innovative, lightweight 3D‐printed skinfold chamber system is presented for long‐term intravital imaging. This affordable, biocompatible platform simplifies surgical implantation and allows high‐resolution, multimodal visualization of the tumor microenvironment for up to four weeks.
Iván Cortés Domínguez   +9 more
wiley   +1 more source

Foreign body reaction granuloma mimicking an aggressive tumor of the mandible

open access: yesClinical Case Reports, 2023
Inflammatory granuloma caused by a vegetable foreign body is a lesion that can develop in the oral cavity. It results from the implantation of vegetable matter, leading to an inflammatory reaction and the development of bone resorption.
Rym Kammoun   +4 more
doaj   +1 more source

Lonicera japonica‐Derived Nanovesicles Ameliorate Acute Lung Injury by Suppressing Neutrophil Extracellular Traps Formation in Mice

open access: yesAdvanced Healthcare Materials, EarlyView.
(A) Isolation and purification of LDNVs. (B) Establishment of the ALI model and LDNVs delivery. (C) Therapeutic mechanisms of LDNVs in treating ALI. This scheme figure was drawn by Figdraw, ID: IUIIO21222. ABSTRACT Acute lung injury (ALI) is a lethal respiratory disease.
Xi Lin   +10 more
wiley   +1 more source

Tooth Instance Segmentation on Panoramic Dental Radiographs Using U-Nets and Morphological Processing

open access: yesDüzce Üniversitesi Bilim ve Teknoloji Dergisi, 2022
Automatic teeth segmentation in panoramic x-ray images is an important research subject of the image analysis in dentistry. In this study, we propose a post-processing stage to obtain a segmentation map in which the objects in the image are separated ...
Andaç Hamamcı, Serdar Helli
doaj   +1 more source

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