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Oral Mucosal Pain – Causes, Diagnosis and Management

oral-mucosal

Date: 16th Dec.,2016

After dental pain, one of the common causes of oral pain is that of mucosal origin. As has been rightly said, “One realizes the importance of something only when one loses it.”, and so is the case with the oral mucosal integrity. The oral cavity, having many functions, is of paramount importance to have a healthy, intact mucosa. If the mucosa is breached, it leads to intense soreness and pain.

Given the complex oral environment, etiology for oral mucosal pain could be varied, ranging from simple local factors to complex systemic ones. Probable etiologies could be traumatic damage to the epithelium, immune reactions, immune deficiencies, infections, nutritional deficiencies, GI disorders, and malignancies.

As clinicians, we have two responsibilities – first, to try and provide immediate symptomatic relief, and second, to accurately pinpoint the etiology and treat it.

Types of Mucosal Pain

Depending on etiology, mucosal pain can be divided into the following clinical pictures:

  1. Epithelial Atrophy
    The thinner the oral epithelium gets due to various etiologies, the more vascular and sensitive sub-epithelial layer gets exposed to the oral environment. This results in various physical, thermal, chemical and microbial stimuli. This, in turn can cause soreness or pain.

 Causes for epithelial thinning could be:

-Systemic: Such as, Vitamin B deficiency, anemia or folic acid deficiency.

-Local: Such as, OSMF, lichen planus, speckled leukoplakia, erythroplakia or geographic tongue.

  1. Mucosal Inflammation
    Secondary to physical, thermal, microbial or chemical aggravation.
  1. Mucosal Erosion
    When the superficial layer of the mucosa is lost without involving the basal cell layer, it is termed as erosion Such a condition can be seen in candida infection, secondary to vesiculobullous lesions, erythema multiforme, among others.
  1. Frank Ulceration
    When the entire thickness of the mucosa is involved, with a likely presence of a fibrinous slough and surrounding inflammation. This can be observed in traumatic ulcers, aphthous ulcers, herpetic ulcers, and malignancy.

Diagnosis of Mucosal Pain

Given the exhaustive list of etiologies, to reach a diagnosis, a systematic approach based on a comprehensive history and thorough examination is recommended. Certain oral manifestations may have systemic features which may need to be addressed. The following signs can suggest a systemic involvement:

  • Notably skin lesions
  • Ocular lesions
  • Genital lesions
  • Fever
  • Lymphadenopathy
  • Gastrointestinal complaints

Additional investigations may be needed to arrive at a diagnosis, these could be:

  1. Serum assays to rule out deficiencies and blood investigations as appropriate
  2. Biopsy in case of ulcers not responding to conservative therapy and persisting beyond 3 weeks
  3. Blood sugar/HbA1c to rule out diabetes

Differential Diagnosis of Oral Ulceration

An oral ulcer presents with uniform clinical symptoms and appearance. This makes it important for us to use patient history and subtle clues in clinical presentation for differentiating between the various types of ulcers.

A system based on duration (acute or chronic), number (single or multiple) and clinical behaviour (healing or persistent), helps classify lesions into broad categories.

Causes for Acute Ulcers

Some common causes for single or multiple ulcers are trauma, aphthous stomatitis and herpes virus. However, tuberculosis, HIV infection and fungal infection can also cause these ulcers. Apthous ulcers usually heal within a week, with major aphthae persisting for 2 weeks or more, traumatic ulcers would heal once the offending agent is removed.

As a note of caution, if an ulcer persists for more than 3 weeks after removal of alleged offending agent, it should be viewed with suspicion, and to rule out malignant changes, a biopsy should be performed.

Causes for Chronic Ulcers

Multiple chronic ulcers can cause due to conditions like lichen planus, pemphigus or pemphigoid, immune reactions, blood dyscrasias or medication. Whereas, a single chronic ulcer can be caused due to chronic trauma, chronic infections like tuberculosis, syphilis, fungal infections, or malignancy.

Having established a provisional diagnosis, the next priority is to provide symptomatic relief while addressing the etiologic agent. One of the means to palliate the mucosal pain caused by various erosions, inflammations and ulcerations is by using topical anaesthetic agents like Mucopain.

Mucopain is composed of 20% benzocaine with low water solubility. This prevents absorption into the body, thereby limiting adverse effects. This coupled with a rapid onset of action helps reduce mucosal pain for the patient, facilitating intake of food. However, prolonged use should be avoided to prevent local allergic reactions.

Management of Oral Mucosal Pain

To summarise, mucosal pain apart from causing discomfort could be the manifestation of a more serious local or systemic cause. Our responsibilities as clinicians is to provide symptomatic relief in the form of topical anaesthetics, recommend maintaining good oral hygiene, treating the underlying cause, and eliminating the etiologic factors. If there is presence of extraoral features, atypical ulcers or other oral lesions, a specialist referral can prove beneficial for the patient.

mucosal pain

References

  1. Soreness and ulcers, Oral and Maxillofacial Medicine, Scully C
  2. Ulcerative, Vesicular and Bullous Lesions, Burket’s Oral Medicine Diagnosis & Treatment, 10/e Greenberg, Glick
  3. Differential Diagnosis of Oral and Maxillofacial Lesions, 5/e Wood and Goaz
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Dr. P.D. Shirke
Dr.P D Shirke is a gold medalist in his MDS in Oral Medicine & Radiology from GDC,Mumbai. He has also received the Colgate Gold Medal along with the International College of Dentists’ Student award for topping the university throughout his undergraduate career. He is a keen technology follower and believes in leveraging technology for the ultimate benefit of patient care. Dr.Shirke has received extensive training on all aspects of CBCT use at San Diego, USA. He is the chief consultant and founder of INsight CBCT, an exclusive & pioneering 3D Maxillofacial Imaging Centre, with branches in Mumbai & Pune. Apart from this he is involved in CBCT based research with the University of Hong Kong, Goethe University, Frankfurt and numerous universities in India
Dr. P.D. Shirke

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Dr. P.D. Shirke
Dr.P D Shirke is a gold medalist in his MDS in Oral Medicine & Radiology from GDC,Mumbai. He has also received the Colgate Gold Medal along with the International College of Dentists’ Student award for topping the university throughout his undergraduate career. He is a keen technology follower and believes in leveraging technology for the ultimate benefit of patient care. Dr.Shirke has received extensive training on all aspects of CBCT use at San Diego, USA. He is the chief consultant and founder of INsight CBCT, an exclusive & pioneering 3D Maxillofacial Imaging Centre, with branches in Mumbai & Pune. Apart from this he is involved in CBCT based research with the University of Hong Kong, Goethe University, Frankfurt and numerous universities in India

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