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Classification of Periodontal diseases (Figure 4.5 a,b)
ОглавлениеPeriodontal diseases are classified by the British Society of Periodontology (BSP) by the:
Extent – localised or generalised.
Stage – ranging from stage I (early, mild) to stage IV (severe) using X‐rays to measure the extent of interdental bone loss on the worst site (Figure 4.6).
Grade – A, B, or C. Dividing the percentage of bone loss at the worst site due to periodontitis by the patient’s age to determine the rate of progression of the disease.
Current status of the disease – stable, in remission, or unstable.
Risk factors – e.g. smoking, medically compromised.