General Perio

Question 1

What is the management of NUG/NUP?

Answer 1

Debride under LA
Chlorhexidine mouthwash
Analgesia
Perio follo-up

Can also give ABX
200mg metronidazole TD for 3 days
Amoxicillin 250mg TD for 5 days

Question 2

Compare the

Aetiology
Age of onset
Site
Distinctive symptoms
Duration
Contagiousness
Healing potentional

Of NUG and Primary herpetic gingivostomatitis

Answer 2

• NUG - Fusiform bacteria, PHG - HSV1
• NUG - Young adults, PHG - often in children
• NUG - Interdental papillae, PHG - Gingiva and mucosa
• NUG - Necrotic punched out papillae, PHG - viral vesicles on gingivae and mucosa
• NUG - few days if treated, PHG - 1-2 weeks
• NUG - No, PHG - Very contagious
• NUG - No healing (permanent destruction), PHG - Full healing (No destruction)

Question 3

What antibiotics can be used to treat periodontal disease?

Answer 3

Amoxycillin
Metronidazole
Doxycyline
Azithromycin

Question 4

What is the dose and duration of amoxycillin you can prescribe for NUP?

Answer 4

Amoxycillin 250 mg x3 daily for 5 days

Question 5

What is the dose and duration of metronidazole you can prescribe for NUP?

Answer 5

Metronidazole 200mg x3 daily for 3 days

Question 6

How would you manage a patient with NUP?

Answer 6

• Debridement +/- LA
• Prescribe hydrogen peroxide mouthwash +/- chlorhexidine mouthwash
• Prescribe antibiotics: 3 day course 200mg metronidazole x3 daily or amoxycillin 250 mg x3 daily for 5 days
• Analgesia
• OHI

Question 7

How do BPE codes change in paeds patients of different age?

Answer 7

0-7 = No BPE
7-12 = BPE 0/1/2 (if co-operative!)
12+ = all codes

Question 8

What would you expect to see in successful periodontal treatment?

Answer 8

• Reduction in pocket depth
• Decreased bleeding on probing
• Recession/loss of swelling
• Reduced calculus and plaque
• Reduction in mobility
• Regain lost clinical attachment

Question 9

Following successful periodontal therapy when should you re-assess probing depth? Why?

Answer 9

Repair of connective tissue occurs for 4 -8 weeks therefore do not re-evaluate PD until 8 weeks

Question 10

What 3 components make up biological width?

Answer 10

Sulcus Epithelium
Junctional Epithelium
Connective Tissue

Question 11

Following successful periodontal therapy how long does it take for the junctional epithelium to grow back?

Answer 11

Approx 2 week

Question 12

What teeth are most commonly affected in juvenile periodontitis?

Answer 12

Incisors and first permanent molars as these are the first to erupt

Question 13

What type of microrganisms are found in supragingival plaque? (3)

Answer 13

Gram-positive
Aerobic bacteria
Fermentative bacteria

Question 14

What type of microrganisms are found in subgingival plaque? (3)

Answer 14

Proteolytic bacteria
Gram-negative
Anaerobic bacteria