18: Role of Radiographs in Periodontal Diagnosis

18

Role of radiographs in periodontal diagnosis

Figure 18.1 Ways of minimising radiation exposure when using radiographs.

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Figure 18.2 Key aspects of a radiographic periodontal assessment. CEJ, cement–enamel junction; TMJ, temporomandibular joint.

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Figure 18.3 Panoramic radiograph showing bone loss.

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Figure 18.4 Furcation defects.

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Figure 18.5 Calculus and deficient crown margin.

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Figure 18.6 Plaque retention factors. Courtesy of Ms V. Yorke.

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Figure 18.7 Overhanging restoration margins.

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Figure 18.8 Full mouth periapical radiographs for a patient with advanced bone loss.

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Radiographs are used as an adjunct to a thorough clinical examination in order to make a diagnosis and draw up a treatment plan. The details of national regulations governing the use of radiographs vary in different countries, but in principle they all seek to protect the workforce and general public and to limit the radiation dose to patients.

Patients are protected by application of the principles of justification and optimisation (Fig. 18.1):

Justification of a medical exposure is based on the practitioner’s understanding of the hazards associated with taking a radiograph and the clinical information. Radiographs are justified when they can be demonstrated to have the potential to change the patient’s management.
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Jan 14, 2015 | Posted by in Periodontics | Comments Off on 18: Role of Radiographs in Periodontal Diagnosis
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