Question 1

All of the following are characteristics of ossifying fibromas EXCEPT:

Accepted Answer

A)  It is a malignant neoplasm comprised of bone and cementum-like material. 
B)  Teeth may be displaced but are rarely resorbed. 
C)  Occurs mainly in young adults. 
D)  The tumor is aggressive and causes painless expansion of the jaw. 
A)  It is a malignant neoplasm comprised of bone and cementum-like material. 
B)  Teeth may be displaced but are rarely resorbed. 
C)  Occurs mainly in young adults. 
D)  The tumor is aggressive and causes painless expansion of the jaw. A

Question 2

The classic radiographic appearance of a multicystic solid ameloblastoma is described as a:

Accepted Answer

A)  Grape-like radiopacities adjacent to an unerupted tooth or teeth 
B)  Diffuse radiopaque masses that extend to the alveolar cortex 
C)  Cotton-wool appearance within the ramus and body of the mandible 
D)  Soap-bubble appearance 
A)  Grape-like radiopacities adjacent to an unerupted tooth or teeth 
B)  Diffuse radiopaque masses that extend to the alveolar cortex 
C)  Cotton-wool appearance within the ramus and body of the mandible 
D)  Soap-bubble appearance D

Question 3

Calcifying epithelial odontogenic tumors (CEOTs) are composed of cells that resemble:

Accepted Answer

A)  Reduced enamel epithelium 
B)  Stratum intermedium of the enamel organ 
C)  Hertwig's epithelial root sheath 
D)  Dental papillae 
A)  Reduced enamel epithelium 
B)  Stratum intermedium of the enamel organ 
C)  Hertwig's epithelial root sheath 
D)  Dental papillae B

Question 4

All of the following statements about ameloblastic fibromas (AF) are true EXCEPT:

Accepted Answer

A)  The lesions are asymptomatic. 
B)  They usually occur in patients older than age 20. 
C)  They are most often encapsulated and easily removed. 
D)  Ameloblastic fibrosarcoma has been seen in patients whose AFs have recurred multiple times. 
A)  The lesions are asymptomatic. 
B)  They usually occur in patients older than age 20. 
C)  They are most often encapsulated and easily removed. 
D)  Ameloblastic fibrosarcoma has been seen in patients whose AFs have recurred multiple times.

Question 5

Microscopically, odontogenic myxomas resemble tissues of the:

Accepted Answer

A)  Reduced enamel epithelium 
B)  Outer enamel epithelium 
C)  Hertwig's epithelial root sheath 
D)  Dental papilla (pulp) 
A)  Reduced enamel epithelium 
B)  Outer enamel epithelium 
C)  Hertwig's epithelial root sheath 
D)  Dental papilla (pulp)

Question 6

The degree of radiopacity present in ameloblastic fibro-odontomas depends on:

Accepted Answer

A)  Location of the lesion 
B)  Age of the patient 
C)  Amount of enamel and dentin formed 
D)  Size of the lesion 
A)  Location of the lesion 
B)  Age of the patient 
C)  Amount of enamel and dentin formed 
D)  Size of the lesion

Question 7

Central odontogenic tumors:

Accepted Answer

A)  Develop outside the bone cortex, within overlying soft tissues 
B)  Have a solid central area that is well differentiated 
C)  Have one or more central cystic spaces 
D)  Develop within bone 
A)  Develop outside the bone cortex, within overlying soft tissues 
B)  Have a solid central area that is well differentiated 
C)  Have one or more central cystic spaces 
D)  Develop within bone

Question 8

Squamous odontogenic tumors (SOTs) arise from which one of the following?

Accepted Answer

A)  Dental papilla 
B)  Inner enamel epithelium 
C)  Rests of Malassez within the periodontal ligament 
D)  Stratum intermedium of the enamel organ 
A)  Dental papilla 
B)  Inner enamel epithelium 
C)  Rests of Malassez within the periodontal ligament 
D)  Stratum intermedium of the enamel organ

Question 9

All of the following statements about cystic ameloblastoma are true EXCEPT:

Accepted Answer

A)  It occurs in individuals under age 20. 
B)  It does not cause significant jaw expansion. 
C)  It may mimic a dentigerous cyst. 
D)  It may be associated with an unerupted tooth. 
A)  It occurs in individuals under age 20. 
B)  It does not cause significant jaw expansion. 
C)  It may mimic a dentigerous cyst. 
D)  It may be associated with an unerupted tooth.

Question 10

Recurrence of keratinizing cystic odontogenic tumors after resection is often related to:

Accepted Answer

A)  Residual daughter cysts that are left behind 
B)  Location of tumor components within the maxillary sinuses 
C)  Large amounts of irregular trabecular bone that are left behind 
D)  Thinner bone of the anterior mandible 
A)  Residual daughter cysts that are left behind 
B)  Location of tumor components within the maxillary sinuses 
C)  Large amounts of irregular trabecular bone that are left behind 
D)  Thinner bone of the anterior mandible

Question 11

Neoplasms that arise from remnants of the developing tooth germ are called:

Accepted Answer

A)  Embryonic 
B)  Metastatic 
C)  Odontogenic 
D)  Idiopathic 
A)  Embryonic 
B)  Metastatic 
C)  Odontogenic 
D)  Idiopathic

Question 12

All of the following are common features of an adenomatoid odontogenic tumor EXCEPT:

Accepted Answer

A)  Location is around the periapical region of an unerupted tooth. 
B)  There is female predominance. 
C)  Scattered snowflake-like calcifications may be seen. 
D)  The radiolucency extends below the cemento-enamel junction. 
A)  Location is around the periapical region of an unerupted tooth. 
B)  There is female predominance. 
C)  Scattered snowflake-like calcifications may be seen. 
D)  The radiolucency extends below the cemento-enamel junction.

Question 13

All of the following statements about osteomas are true EXCEPT:

Accepted Answer

A)  They are comprised of mature bone. 
B)  They are rarely seen outside bones of the head and neck. 
C)  They are considered premalignant. 
D)  They are well-circumscribed radiopacities. 
A)  They are comprised of mature bone. 
B)  They are rarely seen outside bones of the head and neck. 
C)  They are considered premalignant. 
D)  They are well-circumscribed radiopacities.

Question 14

Alternating bands of calcification within the abnormal bone in osteosarcomas produce what radiographic appearance?

Accepted Answer

A)  Honeycomb 
B)  Sunburst 
C)  Frosted-glass 
D)  Cotton-wool 
A)  Honeycomb 
B)  Sunburst 
C)  Frosted-glass 
D)  Cotton-wool

Question 15

Osteoblastomas are characterized by:

Accepted Answer

A)  Bone tissue that is immature and weak 
B)  A high tendency to metastasize 
C)  High recurrence rates 
D)  Painless infiltration of peripheral nerves 
A)  Bone tissue that is immature and weak 
B)  A high tendency to metastasize 
C)  High recurrence rates 
D)  Painless infiltration of peripheral nerves

Question 16

All of the following are true about multicystic solid ameloblastomas EXCEPT:

Accepted Answer

A)  They are benign but aggressive, and recurrent in nature. 
B)  The posterior mandible is the most common location. 
C)  Recurrence may occur years later. 
D)  There is an extremely painful swelling of the jaws. 
A)  They are benign but aggressive, and recurrent in nature. 
B)  The posterior mandible is the most common location. 
C)  Recurrence may occur years later. 
D)  There is an extremely painful swelling of the jaws.

Question 17

Which of the following describes the radiographic appearance of a complex odontoma?

Accepted Answer

A)  Radiolucent follicular sac-like structure filled with tiny toothlets 
B)  Well-circumscribed unilocular radiolucency adjacent to the maxillary sinus 
C)  Radiodense structure with a radiolucent rim and no identifiable toothlets 
D)  Unilocular radiolucency associated with crown of an unerupted tooth 
A)  Radiolucent follicular sac-like structure filled with tiny toothlets 
B)  Well-circumscribed unilocular radiolucency adjacent to the maxillary sinus 
C)  Radiodense structure with a radiolucent rim and no identifiable toothlets 
D)  Unilocular radiolucency associated with crown of an unerupted tooth

Question 18

Which of the following tumors most closely resembles a torus?

Accepted Answer

A)  Cementoblastoma 
B)  Osteosarcoma 
C)  Osteoma 
D)  Chondromas 
A)  Cementoblastoma 
B)  Osteosarcoma 
C)  Osteoma 
D)  Chondromas

Question 19

Primary jaw tumors are those that:

Accepted Answer

A)  Originate in the jawbones 
B)  Are metastatic in origin 
C)  Originate outside the jawbones 
D)  Have a known etiology 
A)  Originate in the jawbones 
B)  Are metastatic in origin 
C)  Originate outside the jawbones 
D)  Have a known etiology

Question 20

All of the following are characteristics of cementoblastomas EXCEPT:

Accepted Answer

A)  First molars are frequently affected. 
B)  There may be jaw expansion and pain. 
C)  The tumor adheres directly to the root of the tooth. 
D)  Patients are most often over the age of 65. 
A)  First molars are frequently affected. 
B)  There may be jaw expansion and pain. 
C)  The tumor adheres directly to the root of the tooth. 
D)  Patients are most often over the age of 65.

All of the following are characteristics of ossifying fibromas EXCEPT:

The classic radiographic appearance of a multicystic solid ameloblastoma is described as a:

Calcifying epithelial odontogenic tumors (CEOTs) are composed of cells that resemble:

All of the following statements about ameloblastic fibromas (AF) are true EXCEPT:

Microscopically, odontogenic myxomas resemble tissues of the:

The degree of radiopacity present in ameloblastic fibro-odontomas depends on:

Central odontogenic tumors:

Squamous odontogenic tumors (SOTs) arise from which one of the following?

All of the following statements about cystic ameloblastoma are true EXCEPT:

Recurrence of keratinizing cystic odontogenic tumors after resection is often related to:

Neoplasms that arise from remnants of the developing tooth germ are called:

All of the following are common features of an adenomatoid odontogenic tumor EXCEPT:

All of the following statements about osteomas are true EXCEPT:

Alternating bands of calcification within the abnormal bone in osteosarcomas produce what radiographic appearance?

Osteoblastomas are characterized by:

All of the following are true about multicystic solid ameloblastomas EXCEPT:

Which of the following describes the radiographic appearance of a complex odontoma?

Which of the following tumors most closely resembles a torus?

Primary jaw tumors are those that:

All of the following are characteristics of cementoblastomas EXCEPT:

Introduction to Oral and Maxillofacial Pathology

Orofacial Injury and Reactive Disorders

Infectious Diseases

Immunologic Disease

Developmental Disorders

Disorders of Genetics and Inheritance

Neoplasms of the Oral Soft Tissues and Facial Skin

Systemic Pathology and Oral Manifestations of Systemic Diseases

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Exam 8: Neoplasms of the Bones of the Mandible and Maxilla

All of the following are characteristics of ossifying fibromas EXCEPT:

The classic radiographic appearance of a multicystic solid ameloblastoma is described as a:

Calcifying epithelial odontogenic tumors (CEOTs) are composed of cells that resemble:

All of the following statements about ameloblastic fibromas (AF) are true EXCEPT:

Microscopically, odontogenic myxomas resemble tissues of the:

The degree of radiopacity present in ameloblastic fibro-odontomas depends on:

Central odontogenic tumors:

Squamous odontogenic tumors (SOTs) arise from which one of the following?

All of the following statements about cystic ameloblastoma are true EXCEPT:

Recurrence of keratinizing cystic odontogenic tumors after resection is often related to:

Neoplasms that arise from remnants of the developing tooth germ are called:

All of the following are common features of an adenomatoid odontogenic tumor EXCEPT:

All of the following statements about osteomas are true EXCEPT:

Alternating bands of calcification within the abnormal bone in osteosarcomas produce what radiographic appearance?

Osteoblastomas are characterized by:

All of the following are true about multicystic solid ameloblastomas EXCEPT:

Which of the following describes the radiographic appearance of a complex odontoma?

Which of the following tumors most closely resembles a torus?

Primary jaw tumors are those that:

All of the following are characteristics of cementoblastomas EXCEPT:

Introduction to Oral and Maxillofacial Pathology

Orofacial Injury and Reactive Disorders

Infectious Diseases

Immunologic Disease

Developmental Disorders

Disorders of Genetics and Inheritance

Neoplasms of the Oral Soft Tissues and Facial Skin

Systemic Pathology and Oral Manifestations of Systemic Diseases

Filters