Oral cavity trauma and infection Flashcards
What can be seen here?
Chip to tooth that has not exposed pulp but dentine but bacteria can track up through pores in dentine
Can see top arrow draining track from infection at tooth #
What can be seen here?
Complicared slab # carnassial tooth
What can be seen here?
through socket of lower canine and symphiseal seperation
What can be seen here?
Apex root of canine has been shunted back into nasal cavity.
Once removed would lead to oral nasal fistula leading to turbinate damage
What can be seen here?
Example of a luxation injury where tooth moves from it’s original position
Discuss trauma and discolouration in puppy?
Puppy which ran into patio window at 9 months old
Discoloured canine which remains discolour usually suggest pulp death
This tooth had trauma which arrested the tooth at the puppy stage with thin walls and large amount of pulp.
If it remains discoloured likely pulp is dead and we need to do something about it as necrotic pulp.
Post extraction of lower canines? Discuss?
Can see post extraction that after removal of lower canines how little bone is left meaning could lead to #
Discuss root canal therapy?
Root canal therapy
Pulp removal. Nerve effectively removed. Get inside of tooth clean after removal and dry then fill the crown creating a seal and difficult for bacteria to grow.
Discuss trauma: tooth wear -abrasion & attrition?
Brownish area is laying down of dentine (reparative dentine).
If the repair is too slow we end up with exposed dentine. It may only have time to lay a small layer of dentine so sometimes an explorer can pop through it.
Xray when you see these as can still get pulp infection.
Discuss resorptive lesions?
Resorptive lesions
A cell type which would normally be involved in dynamic repair of roots goes out of kilter we get too much destruction and end up with a hole that works its way up from the root to the crown.
Unless you x-ray you will miss a lot of lesions as the only ones you pick up on exam are ones that have progressed past the crown.
Check on xray if root has been full resabsorbed to guide whether it needs removal on dental.
Type 1 and Type 2 =root material replaced by bone
What is the most common site to see resorptive lesions?
Lower mandibular PMs 307/407
1 st PM you see left and right lower is most common site you’ll see them first.
What are caries?
- Don’t confuse FORLs with decay (caries)
- More common in humans and dogs don’t get it in cats
- If catch early enough you can do a filling if too late then need removing.
Discuss retained deciduous dentition?
- Retained deciduous tooth will cause damage to permanent teeth, plaque trapping between teeth etc.
- Should never see permanent and deciduous teeth at same time
Clinical signs of oral masses?
Advanced when noted-unless homecare!
- Epulides/peridontalodontogenticfibroma often seen in boxers
Eating difficulty
Hypersalivation
Halitosis
Bleeding
Swelling
Discuss epulides?
- Non specific, collective term
- ‘gingival mass’
- Varying malignancy
- Radiograph
- Biopsy
- Most of them are Benign – ‘false pockets’ but can be malignant
Discuss periodontal disease?
Inflammation of periodontal tissues
- GINGIVA
- PERIODONTAL LIGAMENT
- ALVEOLAR BONE
- CEMENTUM
GINGIVITIS
PERIODONTITIS
Cause of them all = PLAQUE!
Compare periodontitis and gingivitis?
A= health
B=Gingivitis
C and D= periodontitis and Bone loss
Prefer to be like D instead of C as can at least brush then
What can be seen here?
Root Abscess
What is this?
Calculus
- Plaque retentive
- Calculus is mineralised plaque
Describe ultrasonic scaling?
Ultrasonic scaling
- Tip vibration
- Water cooling
- Cavitation
- Light, rapid strokes
- Avoid end of tip
- Specific tips
- Settings
- Bacterial aerosol
