5th: Dentistry 1 Flashcards
Which species get tooth resorption?
Cats, dogs, humans
What is happening in a feline resorptive lesion?
Cellular digestion of the tooth by odontoclasts
What are the two types of feline resorptive lesions?
Root or neck (gingival hyperplasia)
What are the best tests for feline resorptive lesions?
Air syringe and radiography
What is a type 1 feline resorptive lesion?
Tooth loss NOT replaced with bone, periodontal ligament still present, perhaps associated with bone loss, rest of tooth normal
What is a type 2 feline resorptive lesion?
Tooth lost and replaced with bone, loss of periodontal ligament, ankylosis, cannot extract normally
Are both types of resorptive lesion possible on the same tooth?
Yes
Which teeth especially need radiographic evaluation for resorptive lesions?
Canine
What is the treatment for resorptive lesions?
Extraction
What can you do to treat an advanced type 2 lesion?
Can amputate crown and leave root 1mm below margin and suture gum across
Why is “drilling out” never satisfactory to treat a resorptive lesion?
Heat damage etc
How do you treat a resorptive lesion if the crown is gone but the gingiva normal?
Leave
How do you treat a resorptive lesion if the crown is gone but the gingiva is inflamed?
Remove remaining root
What is the correct name for chronic gingivostomatitis?
Plasmacytic-lymphocytic stomatitis
What causes chronic gingivostomatitis?
Local immune response to antigens - look for underlying problems
What are clinical signs of chronic gingivostomatitis?
Very painful - anorexic, reduced grooming, lethargic
What is a secondary problem in nearly all chronic gingivostomatitis patients?
Calicivirus (opportunistic)
What are blood changes in chronic gingivostomatitis?
High WBCs and hypergammaglobulinaemia
Which species get a pyogenic granuloma?
Cat
How do you treat a pyogenic granuloma?
Remove and check for neoplasia
How do you treat gingivitis?
Extract all teeth in stages to leave only canines
What is the problem with treating gingivitis with steroids?
Good effect but diminishing returns
How does juvenile onset periodontitis begins?
Juvenile gingivitis
How you you manage juvenile onset periodontitis?
Increased teeth cleaning
