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

Probing depth alone

Answer

Radiographic bone loss extent

Answer

Presence of furcation involvement

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

Surgical pocket elimination

Answer

Systemic antibiotics alone

Answer

Referral to a periodontist immediately

Question 3

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

Accepted Answer

Type 2 diabetes mellitus

Answer

Hypertension

Answer

Osteoporosis

Answer

Anaemia

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

Slow progression with no risk factors

Answer

Moderate rate of progression

Answer

Historical pattern of bone loss only

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

Is within normal limits

Answer

Suggests gingival overgrowth

Answer

Indicates successful treatment

Question 6

Which furcation classification describes a probe passing completely through a furcation (through and through)?

Accepted Answer

Class III (Hamp)

Answer

Class I

Answer

Class II

Answer

Class IV