Oral Abscesses B

Question 1

What are the different types of organisms you get in specific areas of the mouth?

Answer 1

Question 2

What are the causes and symptoms of Periodontal Abscesses?

Answer 2

Cause

• Occlusion of opening prevents drainage
• Impaction of foreign objects

Symptoms

• Sudden onset
• Swelling
• Redness/tenderness
• May spread & destroy bone/soft tissue

Question 3

Periodontal Abscesses tend to be associated with a mixed population of bacteria that you will find in gingival pockets.

What are some of the main ones?

Answer 3

• Porphyromonas, Prevotella

Question 4

What are Gram -ve Endodontic infections?

Answer 4

• Fusobacterium nucleatum
• Prevotella
• Campylobacter rectus

Question 5

What are Gram +ve Endodontic infections?

Answer 5

S. oralis, S. mitis, S. anginosus, S. gordonii

• Enterococcus faecalis
• Candida albicans
• Lactobacilli
• Staphylococci

Question 6

What are the key features of Enterococcus faecalis?

Answer 6

Enterococcus faecalis

• Adhere to collagen
• Persistence in nutrient poor environments
• Biofilm formation
• Resistant to calcium hydroxide & sodium hypochlorite
• Low-high pH range
• Salinity & temp resistance

Question 7

What is ‘Dry’ socket?

Answer 7

• Localised infection
• Following extraction the socket fails to heal
• Sparse anaerobic infection e.g.Fusobacterium nucleatum

Question 8

Osseointegrated/Peri implants

If u get some sort of trauma while doing the treatment the patients immune system might not be as effective and organisms that won’t normally get in the mouth will.

What are these organisms that can cause problems?

Answer 8

S. aureus (0.7-15%) & S. epidermidis (4-65%) (main ones)

• Aggregatibacter, Porphyromomas, Prevotella
• Fusobacteria, anaerobic Streptococci