ORE Part 2 Periodontology

Question 1

According to the 2017 World Workshop classification, what differentiates Stage III from Stage IV periodontitis?

Accepted Answer

Tooth loss due to periodontitis and masticatory dysfunction

Answer

Stage IV periodontitis includes all Stage III features plus tooth loss attributable to periodontitis and evidence of masticatory dysfunction, indicating a more severe disease burden.

Question 2

What is the first-line active treatment for Stage II periodontitis according to current BSP guidelines?

Accepted Answer

Cause-related therapy: oral hygiene instruction and subgingival debridement

Answer

BSP guidelines prioritise non-surgical cause-related therapy, including thorough oral hygiene instruction and subgingival instrumentation, as the first step in managing Stage II periodontitis.

Question 3

Which systemic condition has the strongest evidence for bidirectional association with periodontitis?

Accepted Answer

Type 2 diabetes mellitus

Answer

Type 2 diabetes and periodontitis have a well-evidenced bidirectional relationship; poor glycaemic control worsens periodontal disease and vice versa.

Question 4

In the 2017 periodontal classification, what does Grade C periodontitis indicate?

Accepted Answer

Rapid progression with risk factors such as smoking or diabetes

Answer

Grade C indicates rapid disease progression, often associated with risk factors such as heavy smoking (≥10 cigarettes/day) or poorly controlled diabetes (HbA1c ≥7%).

Question 5

What is the significance of a bleeding on probing (BOP) score above 25% during supportive periodontal therapy?

Accepted Answer

Indicates unresolved inflammation and increased risk of disease progression

Answer

A BOP score above 25% during supportive care indicates persistent gingival inflammation, a predictor of further attachment loss and need for treatment modification.

ORE Part 2 Practice Test

ORE Part 2 Practice Test

ORE Part 2 Periodontology