Chapter 35: Interpretation of Trauma, Pulpal Lesions & Periapical Lesions Flashcards
Principles and Description of Trauma, Pulpal Lesions and Periapical Lesions
Define the term: mesial
the tooth surface towards the midline of the mouth
Define the term: multifocal confluent radiopacity
a term used to describe multiple radiopacities on a dental image that appear to overlap or flow together
Define the term: dentition
the character of a set of teeth, including their number, kind, and location/arrangement
Define the term: facial / labial
the tooth surface towards the cheek/lips on anterior teeth
Define the term: mandibular teeth
teeth located in the mandible or lower arch
Define the term: hypercementosis
the excess deposition of cementum on the root surfaces of teeth (appears radiopaque)
Define the term: internal root resorption
the destruction of dentin around the pulp cavity within the crown or root of a tooth (appears radiolucent)
Define the term: radiolucency
an area on a dental image appears radiolucent ((dark/black) due to readily allowing the passage of the x-ray beam so that more x-rays reach the image receptor
Define the term: intraoral
inside the mouth
Define the term: interpretation
an explanation
Define the term: trauma
injury produced by an external force
Define the term: luxation
the abnormal displacement of teeth
Define the term: external root resorption
a regressive alteration of root structure that occurs along the periphery of the root surface
Define the term: posterior
towards the back
Define the term: extrusion
the abnormal displacement of teeth out of bone
Define the term: posterior teeth
first and second premolars/bicuspids, and first, second and third molars
Define the term: pulp canal obliteration
the calcification, or deposition, of hard tissue within the pulp cavity, causing no visible pulp chamber or canals on the dental image
Define the term: mixed lucent-opaque
a term used to describe a lesion viewed on a dental image that exhibits both radiolucent and radiopaque components
Define the term: avulsion
the complete displacement of a tooth from alveolar bone
Define the term: soft tissue opacity
a term used to describe a well-defined radiopacity viewed on a dental image that is located in soft tissue
Define the term: extraoral
outside the mouth
Define the term: target lesion
a term used to describe a well-defined, localized radiopacity viewed on a dental image that is surrounded by a uniform radiolucent halo
Define the term: pulpal sclerosis
a diffuse calcification of the pulp chamber and pulp canals of teeth that results in a pulp cavity of decreased size (appears radiopaque)
Define the term: inter-radicular
between the roots of adjacent teeth
Define the term: lingual
the tooth surface towards the tongue
Define the term: periapical cyst / radicular cyst
a lesion characterized by an epithelial-lined cavity or sac located around the apex of a nonvital tooth that results from pulpal death (appears radiolucent)
Define the term: mandible
the lower jaw
Define the term: cervical / gingival
the tooth surface towards the gumline/cervical third area
Define the term: condensing osteitis / chronic focal sclerosing osteomyelitis
a well-defined radiopacity seen below the apex of a nonvital tooth that has a history of long-standing pulpitis (appears radiopaque)
Define the term: radiopaque
the portion of an image that is light or white, due to the structure resisting the passage of the x-ray beam and limiting the amount of x-rays that reach the receptor
Define the term: anterior
towards the front
Define the term: unilocular noncorticated
describes a radiolucency on a dental image that exhibits one compartment without a well-defined outer border
Define the term: unilocular coriticated
describes a radiolucency on a dental image that exhibits one compartment with a well-defined outer border
Define the term: distal
the tooth surface away from the midline of the mouth
Define the term: apical
towards the apex of a tooth
Define the term: periapical lesion
a lesion located around the apex of a tooth
Define the term: multilocular
a term used to describe a radiolucent lesion on a dental image that exhibits multiple compartments
Define the term: periapical
around the apex of a tooth
Define the term: interpret
to offer an explanation
Define the term: occlusal
the chewing surfaces of posterior teeth
Define the term: radiopacity / radiodensity
an area on a dental image appearing radiopaque (light/white) due to resisting the passage of the x-ray beam and limiting the amount of x-rays that reach the image receptor
Define the term: periapical abscess
a lesion characterized by a localized collection of pus around the apex of a nonvital tooth that results from pulpal death (appears radiolucent)
Define the term: vital
living
Define the term: anterior teeth
central incisors, lateral incisors, and canines/cuspids
Define the term: pulp stones
calcifications found in the pulp chamber or pulp canals of teeth (appear radiopaque)
Define the term: periapical granuloma
a lesion characterized by a localized mass of granulation tissue around the apex of a nonvital tooth (appears radiolucent)
Define the term: sclerotic bone / osteosclerosis / idiopathic periapical osteosclerosis
a term used to describe a well-defined radiopacity viewed on a dental image located below the apices of vital, noncarious teeth
Define the term: radiolucent
the portion of an image that is dark or black, due to the structure readily permitting the passage of the x-ray beam and allowing more x-rays to reach the image receptor
Define the term: maxillary teeth
teeth located in the maxilla or upper arch
Define the term: incisal
the chewing edge of anterior teeth
Define the term: image interpretation
- an explanation of what is viewed on a dental image
- the ability to read what is revealed by a dental image
Define the term: irregular radiopacity
a term used to describe a radiopacity viewed on a dental image that has irregular, ill-defined borders
Define the term: apex
the area of a tooth that allows for blood vessels and nerves to enter the tooth and maintain the vitality of the tooth
Define the term: dentin
the tooth layer found between the enamel and surrounding the pulp cavity (appears radiopaque)
Define the term: buccal
the tooth surface towards the cheek on posterior teeth
Define the term: maxilla
the upper jaw
Define the term: enamel
- the outermost layer of the crown of the tooth (appears radiopaque)
- the densest structure in the human body
Define the term: cementum
calcified connective tissue that covers the outer root surface of the tooth
Define the term: fracture
the breaking of a part (appears as a thin radiolucent line)
Define the term: pulp cavity
a cavity within a tooth that includes both the pulp chamber and the pulp canals, containing blood vessels, nerves, and lymphatics (appears radiolucent)
Define the term: physiologic resorption
resorption of the teeth associated with the normal shedding of deciduous teeth
Define the term: nonvital
not living
Define the term: alveolar bone
bone of the maxilla and mandible that supports and encases the roots of teeth (appears radiopaque)
Define the term: intrusion
the abnormal displacement of teeth into bone