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Which of the following forms a thick filament?  

Corticosteroids should be avoided when treating

You are a dentist employed at a group practice. The practice also has an Oral Medicine specialist and a Prosthodontist. A 65-year-old woman visits the practice complaining about ‘sores’ on the sides of her mouth.Dental History: She has misplaced her dentures about 6 months ago (and has been struggling to eat ever since).Which of the following is not a predisposing factor that may lead to the development of this condition

Sickle cell anemia is due to:

Oral mucosal melanoma most commonly arises on the:

Which one of the following organisms often is related to angular cheilitis?

Which one of the following vesiculobullous disorders is characterized by the so-called target lesions on the skin?

On clinical examination, a 44 year old patient presents with Nail kolionychia (i.e. the central portion of the nail is depressed). This feature is indicative of:

Oral Lichen Planus:

3.png A 40-year-old female presented to the clinic with a complaint of a recent increase in frequency and severity of mouth ulcers. She confirm that she has a problem with mouth ulcers for the past 10 years. They usually occur on the inner surface of the upper and lower lips. Of late, they are more frequent (4 episodes a year) and more painful (8/10 pain score). A thorough intra-oral examination reveals scar tissue from previous ulcers. On taking her medical history, she reported normal bowel movements and no gastro-intestinal problems. An intra-oral examination reveals a solitary ulcer on the upper labial mucosa. The ulcer shown above measures 1.4 cm x 1 cm. The patient is likely suffering from: