Dentistry Flashcards
Dog Dental Formula (permanent)
2x [I3/3, C1/1, P4/4, M 2/3]
Dog total # teeth.
42
Cat total # teeth.
30
Cat Dental Formula (permanent).
2x [I3/3, C1/1, P3/2, M1/1]
What is the difference between grade 1 and grade 2 gingivitis?
Grade 1 doesn’t bleed when probed, Grade 2 does
How deep should the periodontal pocket be in a dog?
1-3mm
How deep should the periodontal pocket be in a cat?
0.5-1mm
What is the major difference between gingivitis and periodontitis with regard to tx?
Gingivitis - Reversible
Periodontitis - irreversible
What is stage 1 periodontitis?
up to 25% attachment loss
What is stage 2 periodontitis?
25-50% attachment loss
what are the 2 key factors when deciding upon dental extraction?
Pain
Infection
When is an open extraction mandatory?
Bizzare root morphology
Extensive tooth resorption
Canines
What size suture material should be used to close an open extraction?
4-0
how long should you prescribe analgesia for post open extraction?
5-10d
Which local analgesics are appropriate to use in SA dentals?
Lidocaine
Bupivicaine
BOTH at 1mg/kg
What are the 2 blocks for the upper arcade?
Infraorbital
Maxillary
Which block affects the max I; C; P1/2/3 and the soft/hard tissues rostral to the upper 4th PM?
Infraorbital
Which block affects the max 4th PM, max Ms and the soft/hard tissue caudal to the max 4th PMs?
Maxillary
What are the 2 blocks used for the lower arcade?
Inferior Alveolar
Middle Mental
Which block affects all mandibular structures?
Inferior alveolar
Which block affects mandib incisors & ST?
Middle Mental
Describe a type 1 FORL
Lysis of neck and crown, root unaffected.
Signs: lesion on gingival margin
Describe a type 2 FORL
Lysis of root, crown may be missing. Loss of periodontal space.
Signs: pink crown, granulation tissue on neck.
Describe a type 3 FORL
Both type 1 and type 2 features
Describe a stage 1 FORL
Mild hard tissue loss
Describe a stage 2 FORL
Moderate hard tissue loss.
Describe a stage 3 FORL
Hard tissue loss extending to pulp cavity.
Describe a stage 4 FORL
Hard tissue loss extending to pulp cavity. Tooth lost integrity
What is the difference between stage 4a, 4b and 4c FORL?
4a - root and crown equally affected.
4b - crown > root
4c - root > crown
Describe a stage 5 FORL
Some remnants visible as opacities
What is the best treatment for FORLs?
Extraction
How does Tx between type 1 and 2 FORLs vary?
Type 2 MUST have Rx!!
Which virus is associated with Feline Chronic Gingivostomatitis?
Calicivirus
What is the Tx for feline chronic gingivostomatitis?
Radical Extraction - all PMs and Ms
+ ANALGESIA
+ABs (clindamycin/ amoxicillin/ cefovecin)
How is feline eosinophilic granuloma complex treated?
Steroids
Cyclosporine
(and control allergens)
What is the equine dental formula (permanent)?
2x[I3/3; C1/1 or 0/0; PM 3/3 or 4/4; M3/3]
What is PM1 called in the horse?
Wolf Tooth - erupts at 1y
Eruption time for deciduous incisors in horse.
6d, 6w, 6m
Eruption time for permanent incisors in horse.
- 5y
- 5y
- 5y
What is anisognathia? (EQ)
Maxilla widen than Mandible
How many pulp horns are present in each cheek tooth? (EQ)
06 = 6
07-10 = 5
11 - 6 or 7
which teeth communicate with the maxillary bone? (EQ)
06/07
Which teeth communicate with the RMS? (EQ)
08-09
(EQ) Which teeth communicate with the CMS?
10-11
What are two common problems with equine canines?
Calculus formation
Fracture
Which tumour often occurs on the mandible of older horses, causing a bony swelling +/- cystic cavity?
Ameloblastoma
What is the most common type of tooth fracture in the horse?
Slab fracture (Max> Mand)
Which type of dental fracture is commonly associated with apical infection? (EQ)
Midline saggital #
Infection of which maxillary teeth will result in unilateral nasal discharge?
09,10,11
occ 08
What Rx view is used to visualise the apices of maxillary CT? (EQ)
Latero 30o, Dorso-Ventrolateral oblique
What Rx view is used to visualise the apices of mandibular CT? (EQ)
Latero 35-40o, Ventro-dorsolateral oblique
What Rx view is used to visualise the incisors and canines? (EQ)
Intra-oral VD/DV
What are the 3 indications for wolf tooth removal?
Biting problems
Blind Eruption
Molarised
Which nerve block(s) should be used to remove wolf teeth?
infra-orbital
Maxillary
What is the maximum a tooth should be rasped?(EQ)
3-4mm q6m
How are severe diastemata treated?
Widen with mechanised burr
What is an absolute last resort technique for dental extraction? (EQ)
Lateral Buccotomy
Name the 4 types of extraction in order of preference. (EQ)
- Standing Oral extraction
- Minimally invasive Transbuccal Extraction
- Repulsion
- Lateral buccotomy