Results 51 to 60 of about 21,152 (225)

Correlation of PD-1 and PD-L1 expression in oral leukoplakia and oral squamous cell carcinoma: an immunohistochemical study

open access: yesScientific Reports, 2023
The programmed cell death protein (PD-1)/programmed cell death protein ligand (PD-L1) pathway and cytotoxic T lymphocyte antigen are the most important co-stimulatory molecules that play a key role in the negative regulation of T cells during ...
L. R. Greeshma   +4 more
doaj   +1 more source

Repeated Use of Emergency Departments for Nontraumatic Dental Conditions: Factors Associated With Being a Superutilizer

open access: yesCommunity Dentistry and Oral Epidemiology, EarlyView.
ABSTRACT Background Due to inadequate access to regular, affordable dental care, many patients turn to emergency departments (EDs) for the treatment of nontraumatic dental conditions (NTDCs). NTDC ED visits are a large burden on the U.S. healthcare system, with over 1.3 million visits each year and over $1 billion in associated charges.
Morgan Santoro   +5 more
wiley   +1 more source

Case report of rapidly progressive proliferative verrucous leukoplakia and a proposal for aetiology in mainland China [PDF]

open access: yes, 2011
Proliferative verrucous leukoplakia (PVL) is a rare oral leukoplakia and has four features such as chronic proliferation, multiple occurrences, refractoriness to treatment and high rate of malignant transformation.
Lin Ge   +7 more
core   +1 more source

Examining the Role of Artificial Intelligence in Assessment: A Comparative Study of ChatGPT and Educator‐Generated Multiple‐Choice Questions in a Dental Exam

open access: yesEuropean Journal of Dental Education, EarlyView.
ABSTRACT Aim To compare the item difficulty and discriminative index of multiple‐choice questions (MCQs) generated by ChatGPT with those created by dental educators, based on the performance of dental students in a real exam setting. Materials and Methods A total of 40 MCQs—20 generated by ChatGPT 4.0 and 20 by dental educators—were developed based on ...
Nezaket Ezgi Özer   +4 more
wiley   +1 more source

Oral leukoplakia: Transmission electron microscopic correlation with clinical types and light microscopy

open access: yesDental Research Journal, 2012
Background: Leukoplakia, is a precancerous lesion that is most commonly encountered in the oral cavity. The grade of dysplasia is presumed to be the most important indicator of malignant potential. There are many promising aspects in advanced methods for
Sandhya Avinash Tamgadge   +3 more
doaj   +1 more source

Estimation of serum creatine phosphokinase and serum lactate dehydrogenase levels in oral leukoplakia and oral cancers – A clinicopathological study

open access: yesJournal of Indian Academy of Oral Medicine and Radiology, 2021
Aims: Evaluation of total serum creatine phosphokinase and serum lactate dehydrogenase levels as a biochemical parameter in the diagnosis of oral cancer, oral leukoplakia by the case-control method.
Harsha Bhayya   +5 more
doaj   +1 more source

SINONASAL VERRUCOUS CARCINOMA Case series and review of literature [PDF]

open access: yes, 2012
Verrucous carcinoma is a low grade malignancy and is a variant of squamous cell carcinoma. It is a rare tumour of the Sino nasal tract. The neoplasm occurs in older people usually in the seventh or eighth decade of life.
Iqbal, Irfan   +3 more
core   +3 more sources

Early‐Onset Oral Squamous Cell Carcinoma: Emerging Biological Insights, Risk Factors and Clinical Implications

open access: yesJournal of Oral Pathology &Medicine, EarlyView.
ABSTRACT Background Early‐onset oral squamous cell carcinoma (EO‐OSCC), commonly defined as occurring in individuals under 50 years of age, is increasingly recognized as a potentially distinct clinical subset with differences in exposure patterns and tumor biology compared with conventional oral squamous cell carcinoma (OSCC).
Gennaro Musella   +8 more
wiley   +1 more source

Metallothionein immunoexpression in oral leukoplakia [PDF]

open access: yes, 2008
Objectives: to report the immunoexpression of metallothionein in oral leukoplakia and to correlate with histological grade and clinical localization. Leukoplakia is the most common potentially malignant lesion of the oral cavity.
Aguiar, Maria Cássia Ferreira   +5 more
core  

Risk of Malignant Transformation in Patients With Oral Lichen Planus or Lichenoid Lesions: A Retrospective Study of 323 Patients With a Minimum of 5‐Year Follow‐Up

open access: yesJournal of Oral Pathology &Medicine, EarlyView.
ABSTRACT Objective To estimate the risk for oral squamous cell carcinoma (OSCC) among patients with oral lichen planus (OLP) or lichenoid lesions (OLL) and the possible risk factors. Material and Methods Two hundred thirty‐nine OLP and 84 OLL patients diagnosed between years 1982 and 2017 were followed up to December 2023, diagnosis of an OSCC, or ...
Mari Vehviläinen   +3 more
wiley   +1 more source

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