Chapter 2 Week 3 Radiology

—Radiopaque lesions may appear in the same places as radiolucent lesions→peri apical, inter radicular, etc

Irregular ill-defined radiolucent borders as well with mixed ill-defined radiopaque pattern areas

Which of the following are necessary for the dentist to make a definitive diagnosis for the client?

Radiolucent lesions may appear where?

Select characteristic's of radiolucency:

—Example: Cherubism; aka: chubby cheeks (mixed with radiopaque components)

Select which are characteristic's of Multi-ocular radiolucent lesions:

Alveolar bone loss is evident in periodontal as well as systemic disease

Unilocular lesions: Usually indicative of a ______, _________ process

Lesion located between the roots of adjacent teeth; Unilocular corticated radiolucent lesion in ______ location

Unilocular or multilocular lucency usually located in mandibular _____ area on lateral aspect of root

Radiopacity & radiolucency; Appear as a radiolucent area with central opaque flecks or calcifications

—Radiopaque lesions do not occur in soft tissues

Multiple radiopacities that appear to overlap/flow together

A lesion located around the crown of an impacted tooth; Unilocular corticated radiolucent lesion located here

—OTHER RADIOLUCENT CLASSFICATIONS INCLUDE?

A well-defined, localized radiopaque lesion on a radiograph

Lesion located around the apex of the tooth; (Unilocular corticated radiolucent lesion)

Follicular Cyst= odontogenic cyst - thought to be of developmental origin - associated with the crown of unerupted tooth

Select which are correct: (non-expansile)

Loss of bone in the maxilla or mandible that surrounds and supports the teeth (Malignant neoplasms can cause this)

(answer is true) review slides 34-36

Select characteristic's of radiopaque:

Select the characteristic's of a radiograph (radiogram)

Beam of energy or radiation possessing the power to penetrate substances and record shadow images on photosensitive film

_______ include corticated and non-corticated borders

—The lesion exhibits a thin, well-demarcated radiopaque rim of bone at the periphery

A granular or pebbled appearance resembling pulverized ____ (like an orange peel)

Multi-ocular radiolucent lesions are smaller than uni-ocular lesions

UNILOCULAR RADIOLUCENT LESIONS: Select the characteristic's of non-corticated borders

Radiolucent areas: Can be measured on a radiograph with a inch ruler

______ in general is a stone formed in the salivary gland; an example of a soft tissue opacity

Enamel, dentin and bone is?

A radiograph alone can be the only means of diagnosing a condition

A lesion located in an area without teeth. Variety of radiolucent lesions may occur in this zone(Unilocular corticated)

Radiopaque:—That portion of a processed radiograph that appears ___ or ____

May represent a malignant condition i.e. osteosarcoma & chondrosarcoma

Multi-ocular radiolucent lesions are aka _________

APPEARANCE OF RADIOLUCENT LESIONS include which of the following?

A well-defined, localized radiopaque area surrounded by a uniform radiolucent halo

Radiopaque lesions can be described as?

A written description of what is viewed on radiographs indicates that the films were reviewed

Disease that causes bone thinning & growths in 1 or more bones & leads to bone weakness and scar formation within bones

They make this assumption since ___ often contain calcium; Cells that form ____ are too tiny to be seen by radiologist

Radiolucent areas: Can vary in size from several millimeters in diameter to several centimeters in diameter

Radiolucent: That portion of a processed radiograph that is _____ or ____

Loosely means "a small nodule". Radiologists often use the term ______ when they see a calcified nodule on X-ray film

(answer is true) Review diagram questions on powerpoint

Which are Terms Used to Describe Radiolucent Lesions?

—Descriptive terminology allows the DH to describe what is evident on a radiograph without implying a diagnosis

UNILOCULAR RADIOLUCENT LESIONS: Select the characteristic's of corticated borders

Irregular radiopacities represent malignant conditions (appearance also known as a “moth-eaten” pattern)