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Article: Necrotising periodontal diseases and alcohol misuse - a cause of osteonecrosis?

1. Which new disease term was added to the 2017 World Workshop on the Classification of Periodontal and Peri-Implant Diseases and Conditions?

A. necrotising gingivitis

B. necrotising stomatitis

C. Noma

D. necrotising periodontitis

2. What is the prevalence of necrotising periodontal diseases (NPDs) worldwide?

A. <1%

B. <2%

C. >2-4%

D. >5%

3. Which of these microorganisms are not thought to play a role in NPDs?

A. Prevotella intermedia

B. Treponema selenomonas

C. Fusobacterium

D. Streptococcus sobrinus

4. Which of the following is not an appropriate initial stage in managing NPDs?

A. investigations to rule out an underlying condition

B. immediate debridement of the exposed bony area

C. hand scaling if the patient can tolerate it

D. antimicrobial mouthwashes such as Corsodyl or hydrogen peroxide

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