Chapter 4 Periodontal disease

Question 1

Define necrotizing ulcerative gingivitis

Answer 1

Associated with bacteria: fusobacterium nucleatum, prevotella intermedia, porphyromonas gingivalis, tremponema spp. and selenomonas spp.

Trench mouth

Blutted/puched out papilla

Gray pseudomembrane

Question 2

What is this?

Answer 2

Plasma cell gingivitis

Hypersensitivity to cinnamon aldehyde (big red gum)

Question 3

What is this?

Answer 3

Localized juvenile spongiotic gingival hyperplasia

Wright’s lesion

Most are under 20 yo w/ median age of 12 yo

Question 4

Define desquamative gingivitis

Answer 4

gingival epithelium that spontaneously sloughs or can be removed with minor manipulation

Question 5

What is the differntial diagnosis for desquamative gingivitis? (5)

Answer 5

Lichen Planus

Mucous membrane pemphigoid

Pemphigus vulgaris

Systemic lupus erythematosis

Hypersensitivity

Question 6

What is this?

Answer 6

Drug related gingival hyperplasia

Caused by: cyclosporine (transplant therapy)(25%), phenytoin (anticonvulsant) (50%), Nifedipine (Na channel blocker) (25%)

Question 7

What is this?

Answer 7

Gingival fibromatosis

Slowly progressive gingival enlargement caused by a collagenous overgrowth of the gingival fibrous connective tissue

Familial or idiopathic

Question 8

What is this?

Answer 8

Pericoronitis

Inflammatory process that arises within the tissues, surrounding the crown of a partially erupted tooth

Operculum is when there is gingival tissue that sits on the occlusal surface

Question 9

Define Papillon-Lefevre Syndrome

Answer 9

Autosomal recessive

Mutation in cathepsin C

Accelerated periodontitis (defect in neutrophil function)

Teeth floating in air

Actinobacillus actinomycetemcomitans

Palmar plantar keratotis