Complication of irradiation of mouth may include all EXCEPT
Correct Answer: Accelerated periodontal diseases
Description: The extent of reduced flow is dose dependent and may reach essentially zero at 60 Gy. The mouth becomes dry (xerostomia) and tender, and swallowing is difficult and painful.
Radiation caries is a rampant form of dental decay that may occur in individuals who receive a course of radiotherapy that includes exposure of the salivary glands.
Clinically, three types of radiation caries exist.
The most common is widespread superficial lesions attacking buccal, occlusal, incisal and palatal surfaces.
Another type involves primarily the cementum and dentin in the cervical region. These lesions may progress around the teeth circumferentially and result in loss of the crown.
The third type appears as a dark pigmentation of the entire crown. The incisal edges may be markedly worn.
Combinations of all these lesions develop in some patients.The location, rapid course and widespread attack distinguish radiation caries.
Category:
Radiology
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