Ppt Jurnal Om

8/17/2019 Ppt Jurnal Om

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Allergic Contact Stomatitis: A Case Report and

Review of Literature

P. Lokesh, T Rooban, Joshua Elizabeth, K Umadevi, K Ranganathan

Arbi Wijay

110600114


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• Allergic Contact Stomatitis is a ra

• Wide variety of subtances can ca

oral mucosa reaction

•

Common causes of Alergic/Hyperoral mucosa are flavoring agents,

preservatives, and dental materia


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• Previous exposure of allergen is e

diagnosis

• Memory T cells are activated soo

initial exposure

• On re-exposure to the same aller

hypersensitivity may occur


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• A 26-year-old dental po

student presented with a co

pain and diffuseerythematous lesions for the

days.

• The patient first experienced

and discomfort in the le

mucosa four days ago


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• The following day he

erythematous lesions and pain

buccal mucosa, followed by leanterior part of ventral tongue,

right buccal mucosa and lo

mucosa.

• Difficulty in brushing, speech a

sensation while eating were e

for which 2% benzocaine gel w

3-4 times every day before food


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Intraoral examination revealed carious 26,

cement (GIC) Class I restoration in 46, bucc

and 28. Diffuse erythema involving the whole

without extension on to the hard palate was see


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Ventral surface of anterior tongue was bright r

few small whitish plaques, suggestive of necrosis


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Lower labial mucosa exhibited irregular zone

Large oval to irregular bright red patches

whitish edematous zones were seen on

extending some distance into the vestibule on b

and left side (Fig. 4). The keratinized muco

palate, gingiva and dorsum of the tongue was


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• Further questioning did not revea

any change or use of oral hygienrecent dental treatment or drug in

• Eventually, patient did recall an

having food at a restaurant

before developing the lesions. P

gave a history of episodes of

minor aphthous ulcers.


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• One such episode occurred abou

ago and was characterized

painful oral lesions, which deve

after intake of specific food,

patient has been avoiding since t


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Avoid foods with preservativesand fla

1. Cetirizine hydrochloride 10 m2. 5 ml of diphenhydramine hydmixed with equal amount of an aswish and swallow method 3-4 ti


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• Contact stomatitis caused by ex

subtances which can act as irrita

• Exp : Dental materials, preserva

flavoring agents, oral hygene p


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• Oral mucosa is less commonly p

contact allergic reactions

• Saliva acts as a solvent

• Irritants and allergens that do coral mucosa are removed more


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• Common oral flavoring allergens : Bals

cinnamon, cinnamic aldehyde, menthol,

eugenol

• Reactions can be acute or chronic

Acute :

- Burning/Redness

- Vesicle (Rarelyseen)

- Edema

- Itching or Stinging

Chro

- Eryth

- Ede- Desqua

- Ulcer

- Erotions

Ha


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• Essential to elicit a thorough history and ex

pathosis

• Path test -> False negative result

• Identification and elimination of allergent

important

• If an association is not established, patch

useful

• Pharmacological agents : Antihistamines, t

anesthetics, and topical corticosteroids

• Flavored antacid was included in the pres


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• Allergic contact stomatitis is well recognize

•

Clinical presentation and histopathologic fnot always specific

• High-degree of suspicion and careful histo

essential

•Biopsy not always essential

• Health practitioners should consider this di

differential diagnosis


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