Related Experiment Video
Updated: Jul 10, 2026
05:42
Isolation of Cells with Morphological and Spatial Information from Oral Submucous Fibrosis Samples by Laser Capture Microdissection
Published on: August 11, 2023
Oral potentially malignant disorders (OPMDs): An overview
Bishwa Prakash Bhattarai1, Ashutosh Kumar Singh2, Dipak Sapkota1
1Department of Oral Biology, Faculty of Dentistry, University of Oslo, Oslo, Norway.
Advances in Immunology
|July 8, 2026
Summary
Oral potentially malignant disorders (OPMDs) carry a risk of transforming into oral squamous cell carcinoma (OSCC). Early detection and risk assessment are crucial for managing OPMDs and preventing progression to OSCC.
Area of Science:
- Oral pathology
- Oncology
- Dental medicine
Background:
- Oral potentially malignant disorders (OPMDs) are lesions with a risk of progressing to oral squamous cell carcinoma (OSCC).
- OPMDs commonly manifest as white or red oral lesions, with oral leukoplakia being prevalent globally (4.47%).
- Malignant transformation of OPMDs to OSCC occurs in approximately 7.9% of cases, with varying risks among subtypes.
Purpose of the Study:
- To provide a comprehensive overview of OPMDs.
- To discuss epidemiological data, etiological factors, and molecular pathogenesis.
- To review diagnostic methods, treatments, and prognostic factors for oral leukoplakia.
Main Methods:
- Literature review and synthesis of existing data on OPMDs.
- Epidemiological analysis of OPMD prevalence and malignant transformation rates.
- Discussion of diagnostic tools and treatment modalities.
Main Results:
- OPMDs have a global prevalence of 4.47%, with malignant transformation rates varying significantly by subtype.
- Proliferative verrucous leukoplakia (49.5%), oral erythroplakia (33.1%), and oral leukoplakia (9.5%) show the highest transformation risks.
- Oral epithelial dysplasia (OED) grade correlates with malignant transformation risk, but accurate risk prediction tools are lacking.
Conclusions:
- Effective management of OPMDs requires understanding their epidemiology, risk factors, and progression.
- Further research is needed to develop tools for accurately identifying high-risk OPMDs.
- This chapter serves as a foundational resource for understanding and managing oral leukoplakia.
Related Concept Videos
01:26Assessment of the Mouth
A thorough mouth assessment, including inspection and palpation of the lips, gums, tongue, tonsils, uvula, and pharynx, is crucial in detecting potential health issues. Diseases ranging from oral cancer to systemic conditions like diabetes could be identified early through careful oral examination. This article provides a detailed guide on conducting a comprehensive mouth assessment.
Mouth Inspection
The inspection begins with visually examining the mouth for symmetry, color, and size.
Mouth Inspection
The inspection begins with visually examining the mouth for symmetry, color, and size.
01:26Methods of Documentation II: POMR
The Problem-Oriented Medical Record (POMR) revolutionized medical record-keeping by introducing a systematic approach focusing on the patient's problems rather than merely listing symptoms. Dr. Lawrence Weed's introduction of this method in the 1960s marked a significant advancement in medical documentation. The POMR framework consists of four key components: the database, problem list, plan of care, and progress notes.
01:30Oppositional Defiant Disorder
A persistent pattern of angry or irritable mood, defiant behavior, or vindictiveness characterizes Oppositional Defiant Disorder (ODD). Symptoms must occur over at least six months, involve interactions with individuals beyond siblings, and meet specific diagnostic criteria to be clinically significant. The disorder affects emotional regulation, social interactions, and behavior, often manifesting early in life and influencing long-term development and functioning.
Diagnostic Criteria and...
Diagnostic Criteria and...
01:24Disorders of the Female Reproductive System
The female reproductive system can be affected by several disorders, including Premenstrual Syndrome (PMS), Premenstrual Dysphoric Disorder (PMDD), endometriosis, and various forms of cancer. PMS and PMDD are cyclical conditions that cause physical and emotional distress, with symptoms that include edema, mood swings, and food cravings. PMDD is a more severe form of PMS characterized by increased symptom severity that peaks during the luteal phase and tends to improve or resolve shortly after...
01:17Other Pulmonary Disorders
Respiratory disorders encompass a range of conditions with varying levels of severity. Asthma, marked by chronic airway inflammation and hypersensitivity, is one such condition. It can lead to airway obstruction due to factors like bronchial spasms, mucosal edema, increased mucus secretion, or epithelial damage. Asthma triggers are diverse, ranging from allergens to emotional upset, and treatment focuses on both immediate relief through bronchodilators and long-term inflammation suppression.
01:30Pleural Disorders: Types and Brief Description
The pleura is a vital part of the respiratory system. It's a double-layered membrane surrounding the lungs and lining the chest cavity. The two layers of the pleura are: