How much information do you remember from this year`s Case Study column? Take this Case Study test and find out! (The answers are found on page 32.) For each question, answer true or false.
Joen Iannucci Haring, DDS, MS
Case 1
Erythema Multiforme (EM)
1.) EM is a contagious disease.
___ True ___ False
2.) EM is a chronic condition.
___ True ___ False
3.) EM affects the skin and/or oral mucous membranes.
___ True ___ False
4.) EM may be linked to a preceding herpes infection.
___ True ___ False
5.) EM may be linked to use of certain drugs.
___ True ___ False
6.) EM runs a variable course of two to six weeks.
___ True ___ False
7.) EM is predominantly seen in older individuals.
___ True ___ False
8.) EM affects females more frequently than males.
___ True ___ False
9.) EM occurs one time only.
___ True ___ False
10.) EM is treated with corticosteroid medication.
___ True ___ False
Case 2
Amelogenesis Imperfecta (AI)
1.) AI is an inherited disorder.
___ True ___ False
2.) AI affects dentin only.
___ True ___ False
3.) AI affects the primary and permanent dentitions.
___ True ___ False
4.) There are 14 recognized subtypes of AI.
___ True ___ False
5.) The most common type of AI is the hypoplastic form.
___ True ___ False
6.) Teeth affected with AI appear to have thin enamel on X-ray films.
___ True ___ False
7.) Teeth affected with AI may lack dentin on X-ray films.
___ True ___ False
8.) Teeth affected with AI often exhibit excessive interdental spacing.
___ True ___ False
9.) With severe AI, extractions may be the only alternative.
___ True ___ False
10.) Crowns are often used to restore teeth affected by AI.
___ True ___ False
Case 3
Exostoses
1.) Exostoses occur for unknown reasons.
___ True ___ False
2.) Exostoses most often occur in children.
___ True ___ False
3.) Exostoses feel rock-hard when palpated.
___ True ___ False
4.) There are no symptoms associated with exostoses.
___ True ___ False
5.) The teeth adjacent to exostoses often are nonvital.
___ True ___ False
6.) Exostoses appear radiolucent on a radiograph.
___ True ___ False
7.) Exostoses may occur unilaterally or bilaterally.
___ True ___ False
8.) A biopsy is necessary to diagnose buccal exostoses.
___ True ___ False
9.) Buccal exostoses may complicate construction of dental appliances.
___ True ___ False
10.) If a denture is needed, surgical reduction of the exostoses is indicated.
___ True ___ False
Case 4
Benign Mucous Membrane Pemphigoid (BMMP)
1.) BMMP is autoimmune in origin.
___ True ___ False
2.) BMMP resembles the disease pemphigus.
___ True ___ False
3.) BMMP affects females more frequently than males.
___ True ___ False
4.) BMMP often affects middle-aged and older adults.
___ True ___ False
5.) BMMP predominantly involves the oral mucosa and eyes.
___ True ___ False
6.) The chief complaint is often "sore, bleeding gums."
___ True ___ False
7.) The bullae rupture immediately after formation.
___ True ___ False
8.) The oral lesions of BMMP are easily managed.
___ True ___ False
9.) The major complication of BMMP is death.
___ True ___ False
10.) Early ocular treatment is critical to prevent blindness.
___ True ___ False
Case 5
Proliferative Verrucous Leukoplakia (PVL)
1.) PVL occurs predominantly in older individuals.
___ True ___ False
2.) PVL has a strong male predilection (4:1).
___ True ___ False
3.) PVL is believed to be linked to tobacco use.
___ True ___ False
4.) PVL spreads rapidly and involves multiple sites.
___ True ___ False
5.) PVL may exhibit aggressive growth potential.
___ True ___ False
6.) PVL exhibits malignant transformation in 15 percent of cases.
___ True ___ False
7.) PVL is diagnosed on a clinical basis.
___ True ___ False
8.) PVL often appears as white patches with wrinkled areas.
___ True ___ False
9.) For localized lesions, surgical removal is the treatment of choice.
___ True ___ False
10.) Laser surgery may be warranted if diffuse areas are involved.
___ True ___ False
Case 6
Ameloblastoma
1.) The ameloblastoma is a common benign odontogenic tumor.
___ True ___ False
2.) The ameloblastoma most often occurs between the ages of
___ True ___ False
20 and 60.
3.) The ameloblastoma most often occurs in the anterior jaws.
___ True ___ False
4.) The ameloblastoma affects the mandible more often
___ True ___ False
than the maxilla.
5.) The ameloblastoma grows rapidly.
___ True ___ False
6.) The ameloblastoma may reach grotesque growth proportions.
___ True ___ False
7.) The ameloblastoma appears as a multilocular radiolucency.
___ True ___ False
8.) A biopsy is necessary in order to diagnose the ameloblastoma.
___ True ___ False
9.) Marginal or block resection is the treatment of choice.
___ True ___ False
10.) The ameloblastoma has the highest recurrence rate of
___ True ___ False
all odontogenic tumors.
Case 7
Mucocele
1.) The mucocele most often occurs on the lower lip/labial mucosa.
___ True ___ False
2.) The mucocele often results from trauma.
___ True ___ False
3.) The mucocele most often occurs in adults.
___ True ___ False
4.) A mucocele may occur wherever minor salivary glands are found.
___ True ___ False
5.) The mucocele often has a bluish appearance.
___ True ___ False
6.) The mucocele may fluctuate in size.
___ True ___ False
7.) The mucocele is asymptomatic.
___ True ___ False
8.) The recommended treatment for a mucocele is surgical excision.
___ True ___ False
9.) Simple incision and aspiration of contents are treatment options.
___ True ___ False
10.) If the associated damaged minor salivary gland is removed, the
___ True ___ False
mucocele does not recur.
Case 8
Dentigerous Cyst
1.) The dentigerous cyst is the most common odontogenic cyst.
___ True ___ False
2.) The dentigerous cyst always occurs with an impacted tooth.
___ True ___ False
3.) The dentigerous cyst most often occurs around third molars and canines.
___ True ___ False
4.) The dentigerous cyst is often associated with a deciduous tooth.
___ True ___ False
5.) The dentigerous cyst usually is painful.
___ True ___ False
6.) Delayed eruption is often associated with a dentigerous cyst.
___ True ___ False
7.) A dentigerous cyst may exhibit great growth potential.
___ True ___ False
8.) A dentigerous cyst can be diagnosed from a radiograph alone.
___ True ___ False
9.) The dentigerous cyst requires surgical removal.
___ True ___ False
10.) The dentigerous cyst often recurs following removal.
___ True ___ False
Case 9
Squamous Cell Carcinoma — Lip (SCC)
1.) SCC affects the upper lip more frequently than the lower lip.
___ True ___ False
2.) SCC of the lip behaves differently than intraoral SCC.
___ True ___ False
3.) The major causative factor of SCC of the lip is chronic sun exposure.
___ True ___ False
4.) SCC most often occurs in adults ages 50-70.
___ True ___ False
5.) SCC occurs in males more frequently than females.
___ True ___ False
6.) SCC of the lip is slow to metastasize.
___ True ___ False
7.) A biopsy is necessary to diagnose SCC of the lip.
___ True ___ False
8.) Treatment options include surgical excision and radiation therapy.
___ True ___ False
9.) The prognosis for SCC of the lip without metastasis is favorable.
___ True ___ False
10.) Moh`s micrographic surgery is a treatment option for SCC of the lip.
___ True ___ False
Case 10
Squamous Cell Carcinoma — Intraoral (SCC)
1.) SCC is the most common oral cancer.
___ True ___ False
2.) Tobacco and alcohol use are risk factors for intraoral SCC.
___ True ___ False
3.) SCC most often occurs on the posterior-lateral border of the tongue and the soft palate.
___ True ___ False
4.) Intraoral SCC may appear as an ulceration, a leukoplakia, or an erythroplakia.
___ True ___ False
5.) The border of intraoral SCC is often indurated.
___ True ___ False
6.) Intraoral SCC most often affects older adult females.
___ True ___ False
7.) Following diagnosis of intraoral SCC, staging must be established.
___ True ___ False
8.) The prognosis depends on metastasis.
___ True ___ False
9.) With metastasis, the prognosis is poor.
___ True ___ False
10.) Treatment options include surgery and/or radiation therapy.
___ True ___ False
Case 11
Sialolithiasis
1.) A sialolith is an abnormal concretion that occurs within a salivary gland or a salivary gland duct.
___ True ___ False
2.) Sialoliths most often form in the parotid gland.
___ True ___ False
3.) The length and configuration of a salivary gland duct may contribute to the formation of a sialolith.
___ True ___ False
4.) The consistency and mineral content of the saliva may contribute to the formation of a sialolith.
___ True ___ False
5.) Sialoliths often occur in children.
___ True ___ False
6.) Sialoliths are often asymptomatic.
___ True ___ False
7.) An occlusal radiograph is often used to confirm the diagnosis of a sialolith.
___ True ___ False
8.) If a blockage of a duct persists due to a sialolith, damage to the gland may result.
___ True ___ False
9.) A sialolith should be removed via manipulation or surgery.
___ True ___ False
10.) Sialoliths generally do not recur following removal.
___ True ___ False
Answers to Case Study Test
Case 1
1.) False
2.) False
3.) True
4.) True
5.) True
6.) True
7.) False
8.) False
9.) False
10.) True
Case 2
1.) True
2.) False
3.) True
4.) True
5.) True
6.) True
7.) False
8.) True
9.) True
10.) True
Case 3
1.) True
2.) False
3.) True
4.) True
5.) False
6.) False
7.) True
8.) False
9.) True
10.) True
Case 4
1.) True
2.) True
3.) True
4.) True
5.) True
6.) True
7.) False
8.) False
9.) False
10.) True
Case 5
1.) True
2.) False
3.) True
4.) False
5.) True
6.) True
7.) False
8.) True
9.) True
10.) True
Case 6
1.) True
2.) True
3.) False
4.) True
5.) False
6.) True
7.) True
8.) True
9.) True
10.) True
Case 7
1.) True
2.) True
3.) False
4.) True
5.) True
6.) True
7.) True
8.) True
9.) False
10.) True
Case 8
1.) True
2.) True
3.) True
4.) False
5.) False
6.) True
7.) True
8.) False
9.) True
10.) False
Case 9
1.) False
2.) True
3.) True
4.) True
5.) True
6.) True
7.) True
8.) True
9.) True
10.) True
Case 10
1.) True
2.) True
3.) False
4.) True
5.) True
6.) False
7.) True
8.) True
9.) True
10.) True
Case 11
1.) True
2.) False
3.) True
4.) True
5.) False
6.) False
7.) True
8.) True
9.) True
10.) True
