EXAM STUDY MATERIALS July 23, 2024 4:26 PM
Oral Pathology for the Dental Hygienist
CHAPTER 1
Bulla - answerA circumscribed, elevated lesion that is more than 5 mm in diameter, usually
contains serous fluid, and looks like a blister.
lobule - answerA segment or lobe that is a part of the whole;...
Bulla - answer✔✔A circumscribed, elevated lesion that is more than 5 mm in diameter, usually
contains serous fluid, and looks like a blister.
lobule - answer✔✔A segment or lobe that is a part of the whole; these lobes sometimes appear
fused together
Macule - answer✔✔An area that is usually distinguished by a color different from that of the
surrounding tissue; it is flat and does not protrude above the surface of the normal tissue. A
freckle is an example of a macule.
papule - answer✔✔A small, circumscribed lesion usually less than 1 cm in diameter that is
elevated or protrudes above the surface of normal surrounding tissue.
Pedunculated - answer✔✔Attached by a stemlike or stalklike base similar to that of a mushroom
Pustules - answer✔✔Variously sized circumscribed elevations containing pus
Sessile - answer✔✔Describing the base of a lesion that is flat or broad instead of stemlike
Vesicle - answer✔✔A small, elevated lesion less than 1 cm in diameter that contains serous
fluid.
nodule - answer✔✔A palpable solid lesion up to 1 cm in diameter found in soft tissue; it can
occur above, level with, or beneath the skin surface.
Palpation - answer✔✔The evaluation of a lesion by feeling it with the fingers to determine the
texture of the area; the descriptive terms for palpation are soft, firm, semifirm, and fluid filled;
these terms also describe the consistency of a lesion.
Colors - answer✔✔Red, pink, salmon, white, blue-black, gray, brown, and black are the words
used most frequently to describe the colors of oral lesions; they can be used to identify specific
lesions and may also be incorporated into general descriptions.
Erythema - answer✔✔An abnormal redness of the mucosa or gingiva
Erythroplakia - answer✔✔A clinical term used to describe an oral mucosal lesion that appears as
a smooth red patch or granular red and velvety patch.
EXAM STUDY MATERIALS July 23, 2024 4:26 PM
, Leukoplakia - answer✔✔A clinical term for a white plaquelike lesion on the oral mucosa that
cannot be rubbed off or diagnosed as a specific disease.
pallor - answer✔✔Paleness of the skin or mucosal tissues
centimeter (cm) - answer✔✔One hundredth of a meter; equivalent to a little less than one-half
inch.
millimeter (mm) - answer✔✔one thousandth of a meter (0.001 m)
corrugated - answer✔✔wrinkled
fissure - answer✔✔A cleft or groove, normal or otherwise, showing prominent depth
Papillary - answer✔✔Resembling small, nipple-shaped projections or elevations found in
clusters
Smooth, rough, folded - answer✔✔terms used to describe the surface texture of a lesion
coalescence - answer✔✔The process by which parts of a whole join together or fuse, to make
one.
diffuse - answer✔✔Describes a lesion with borders that are not well defined, making it
impossible to detect the exact parameters of the lesion; this may make treatment more difficult
and, depending on the biopsy results, more radical.
Multilocular - answer✔✔Describes a lesion that extends beyond the confines of one distinct area
and is defined as many lobes or parts that are somewhat fused together, making up the entire
lesion; a multilocular radiolucency is sometimes described as resembling soap bubbles; an
odontogenic keratocyst often presents as a multilocular, radiolucent lesion
Radiolucent - answer✔✔Describes the black or dark areas on a radiograph; radiant energy can
pass through these structures; less dense tissue such as the pulp is seen as a radiolucent structure
Radiolucent and radiopaque - answer✔✔terms used to describe a mixture of light and dark areas
within a lesion, usually denoting a stage in the development of the lesion
Radiopaque - answer✔✔Describes the light or white area on a radiograph that results from the
inability of radiant energy to pass through the structure; the denser the structure, the lighter or
whiter it appears on the radiograph
Root resorption - answer✔✔Observed radiographically when the apex of the tooth appears
shortened or blunted and irregularly shaped; occurs as a response to stimuli, which can include a
cyst, tumor, or trauma
Scalloping around the root - answer✔✔A radiolucent lesion that extends between the roots, as
seen in a traumatic bone cyst; this lesion appears to extend up the periodontal ligament
EXAM STUDY MATERIALS July 23, 2024 4:26 PM
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