OC: What is benign?

Question 1

Answer 1

Aphthous ulceration

Small, painful, but resolve quickly - very common

Question 2

Answer 2

Lipoma

Ball of fat, yellow hue, not painful, squishy.

Question 3

Answer 3

Mucocele

Balloon of saliva usually as a result of trauma to the salivary gland.

Question 4

Answer 4

Epulis (“swelling on the gingivae” in this instance a pyogenic granuloma)

Caused by an edge of amalgam restoration.

Question 5

Answer 5

Leaf fibroma (develops from a small peduncle (stalk) attaching to the anterior part of the hard palate)

Often found with denture wearing patients

Question 6

Answer 6

Denture induced hyperplasia

hyperplastic extrafolds of tissue that engulf the inner and outer surface of the denture.

Question 7

Treatment for this case

Answer 7

1. Systemic antifungals to try and clear the candida infection
2. Improved dental hygiene
3. Reduction of the soft tissue
4. Replacement of the denture with a soft lining (i.e tissue conditioner)
5. Allow a period of healing, then have a new denture made.

Question 8

Answer 8

Papillary hyperplasia

Denture-induced

Question 9

Answer 9

Torus palatinus

Not a problem, but can be at risk of tramua

Question 10

Answer 10

Tori mandibularis

Not a problem, but can be at risk of tramua

Question 11

What social habit is NOT associated with aphthous ulcers and why?

Answer 11

Smoking - causes hyperkeratosis (the opposite of aphthous ulcers

Question 12

A 60-year-old female patient presents with a 3-week history of a painless ulcer on the left lateral border of her tongue. She is a chronic cigarette smoker since her youth. Clinical examination shows the ulcer has reverted margins and there is reduced mobility of her tongue. Which one of the following is the most likely diagnosis?

Answer 12

These scenario is consistent with the presentation of squamous cell carcinoma. Lesions associated with leukoplakia and erythroplakia do not ulcerate until malignancy intervenes. Ulcerative lichen planus is painful and oral submucous fibrosis is associated with a history of betel quid use.

Question 13

Acanthosis

Answer 13

is a thickening of the epidermis and elongation of the rete ridges due to thickening of the spinous layer +/- enlargement of rete pegs.

Question 14

A 35-year-old male patient presents with recurrent meal time swelling in his right submandibular region. On clinical examination you identify a hard lump in his oral floor. Which one of the following is the most likely diagnosis?

Answer 14

Sialolithiasis

Question 15

35-year-old male patient presents with recurrent meal time swelling in his right submandibular region. On clinical examination you identify a hard lump in his oral floor. Which one of the following is the most likely diagnosis?

Answer 15

Sialolithiasis

Question 16

A 18-year-female patient presents to you with bilateral, painless enlargement of her parotid glands. She has a history of anorexia nervosa. Which one of the following is the most likely diagnosis?

Answer 16

Sialosis/sialadenosis

Question 17

45-year-old male patient presents with a painful lump in his right parotid region. On clinical examination there is evidence of a mild weakness of his right facial nerve. Which one of the following is the most likely diagnosis ?

Answer 17

Adenoid cystic carcinoma —> Pain and facial nerve paralysis are typically associated with a malignant lesion of salivary glands. The remaining options indicate benign lesions.

Question 18

What is the incisor