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NZ Vet Nursing: Anesthesia > Dentals > Flashcards

Dentals Flashcards

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1
Q

What should be asked before performing an oral exam on a patient?

A 
Get full clinical history. 
• Has the animal been eating
normally? (changes in amount,
eating on one side, drooling and
trouble swallowing)
• Is the animal dropping items
from its mouth?
• Is the animal pawing at, shaking
or rubbing mouth along the
floor?
• Any signs of jaw pain, clicking or
chattering?
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2
Q

What areas does an oral exam involve?

A 
• the head and neck as well
as the oral cavity. To
complete a full exam you
should assess:
• Symmetry of the head and
neck (including assessing
lymph nodes)
• Tongue
• Mucous membranes
• Hard and soft palate
• Gingiva and gingival
margins
• TEETH
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3
Q

How many teeth do dogs have?

A

42 permanent teeth (20 Maxilla/22 Mandible)

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4
Q

How many teeth do cats have?

A

30 adult teeth (16 Maxilla /14 Mandible)

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5
Q

How many of each tooth type do dogs have?

A 
Inscisors - 12 total (6 top/6
bottom)
Canines – 4 total (2 top/2
bottom)
Premolars – 16
Molars - 10
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6
Q

How many of each tooth type do cats have?

A 
Inscisors - 12 total (6 top/6
bottom)
Canines – 4 total (2 top/2
bottom)
Premolars – 10
Molars - 4
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7
Q

Where is the Labial surface?

A

The surface of incisors and canines directed towards the lip

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8
Q

Where is the Buccal surface?

A

The surface of premolars and molars facing the cheek

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9
Q

Where is the Facial surface?

A

The labial and buccal surfaces collectively

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10
Q

Where is the Lingual surface?

A

Surfaces facing the tongue in mandibular teeth

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11
Q

Where is the Palatal surface?

A

Surfaces facing the palate in maxillary teeth

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12
Q

Where is the Proximal surface?

A

Collective term for the surfaces facing adjoining teeth within the same jaw quadrant

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13
Q

Where is the Distal surface?

A

Away from the midline

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14
Q

Where is the Mesial surface?

A

Towards the midline

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15
Q

What is dental charting used for?

A

• Marking what teeth are healthy for future dentals
• Noting missing teeth
• Recording what teeth are required to be extracted/need
further evaluation (radiographs/biopsy)
• It is a legal record to show the owner in case of any disputes
or concerns

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16
Q

What should be checked during an oral exam under anaesthesia?

A 
• Use of a Periodontal probe to measure
gingival pocket depths
• Use the explorer probe to identify resorptive
lesions and defects in the enamel
• Palpation of mobile teeth
• Radiographs
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17
Q

What is the Modified Tradian numbering system?

A
  • This provides a consistent system of numbering teeth over different species
  • Quadrant – the first number defines the area of the jaw. Broken up into 4 quadrants
  • Tooth position – the second and third number represents the tooths position with I the quadrant
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18
Q

What numbers are right upper permanent?

A

1/100s

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19
Q

What numbers are left upper permanent?

A

2/200s

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20
Q

What numbers are left lower permanent?

A

3/300s

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21
Q

What numbers are right lower permanent?

A

4/400s

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22
Q

What numbers are the right upper deciduous?

A

5/500s

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23
Q

What numbers are the left upper deciduous?

A

6/600s

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24
Q

What numbers are the left lower deciduous?

A

7/700s

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25
Q

What numbers are the right lower deciduous?

A

8/800s

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26
Q

How is charting done?

A
  1. Assess per quadrant (1-4)
  2. Count the teeth – note missing or extra teeth
  3. Determine level of calculus (0 – none, 3 – 100% cover)
  4. Determine level of gingival inflammation – using
    periodontal probe
  5. Note any abnormalities visible (fractured teeth,
    enamel defects, excessive wear)
  6. Note any treatments on chart (extractions etc)
27
Q

What are the abbreviations added to the chart?

A 
C- Calculus (1-3)
G- Gingivitis (1-3)
P – periodontitis (1-3)
M – Mobility (1-3)
GR - Probing depth (mm)
F – Furcation (1-3)
O – Missing tooth (circle)
# - Fracture
PE – Pulp exposed
TR - Tooth resorption

X - Extracted
CA - Crown amputation
B - Biopsy

28
Q

What is a brachycephalic dog?

A

Snout is too short

29
Q

What is a dolichocephalic dog?

A

Snout is too long

30
Q

What is a mesocephalic dog?

A

Snout is normal

31
Q

What are considerations to be made before a dental?

A

• Pack the pharynx to help prevent water and
debris going down the throat
• Positioning
• Temperature – lots of water used around the
head and animal will lose heat quickly
• Scale before extraditions to prevent extra
bacteria entering the blood stream
• Safety for you – protective gear!

32
Q

What are the steps to perform a dental?

A 
• Chlorhex rinse – 0.12% solution
• Remove gross calculus
• Descale tooth and below gumline
• Polish
• Probe and chart (depths of 3mm in dgs and 1mm
in cats are normal)
• Radiographs and create treatment plan
• Lavage
• Treatments and at home care
33
Q

What are things to prevent in a dental procedure?

A
  • Pulmonary barotrauma
  • Blindness
  • Tracheal tears
  • Airway occlusion
  • Aspiration
  • Thermal burns
34
Q

What does probing involve?

A 
• Use of the dental probe will
tell you the health of the
gum tissue surrounding the
gum. To avoid trauma, only
step probe areas arount the
tooth
• DO NOT run the probe
around the tooth
35
Q

What does the explorer involve?

A 
• This is to be used in any
areas that may be hiding
defects.
• Any worn tooth should be
assessed for root exposure.
• Small grooves in the teeth
can also be assessed using
this.
36
Q

What does Sub-gingival hand scaling involve?

A

• As a large portion of calculus will build up
below the gum line. To successfully remove
this a hand scaler is the best method.
• Hold the sickle scaler so that the sharp edge is
in line with the tooth and scrape it along the
tooth surface

37
Q

What does ultrasonic scaling involve?

A

Remove the bulk of the calculus with a a hand scaler first. Hold the scaler so that the long axis of the scaler tip is parallel with the tooth surface (like holding a pen), you should not spend longer than 15 seconds on one tooth as it will heat the tooth from the inside out. The smaller the tooth the shorter the time. Light strokes with minimal pressure. Can be used subgignivally with reduced settings (depending on the model)

38
Q

What are the two types of Ultrasonic Scaling tools?

A

Piezo- electric
• Crystal in the handpiece
• Linear motion

electromagnetic
• Metal stack or ferrite rod
• Eliptical motion

39
Q

Things to remember about scaling?

A

• Cavitation - fine bubbles pop on the surface of
the tooth to dislodge calculus and
also cause disruption to the bacteria cell walls.
• The tip can scratch enamel
• Water should be a fine mist

40
Q

What does polishing involve?

A

• Polishing is carried out after scaling. Done with a
low speed handpiece, prophy head, polishing cup
and polishing paste ( fine abrasive grit).
Splay cup under gums
• Use downward strokes to
ensure complete coverage
• Careful not to hold the cup in one place for more
than just a few seconds as friction will also heat
up the tooth. 3 seconds per tooth at a time.

41
Q

What do Lavage and antimicrobial treatments

involve?

A

Most dental machines will have the option to
irrigate with water or an oral chlorhexadine
rinse.
• Chlorhex can be used before scaling to reduce
oral bacteria
• Water (and or air) can be used after polishig to
rinse away prophy paste and other debris
• Antibiotics?

42
Q

Important things to remember about patient homecare?

A

After a dental procedure plaque will start to
build up fast so owners can start at home
treatments as soon as possible.
Pets that have had extractions, should ideally be
on a soft food for a few days post procedure.
TIP – a/d sticks to sutures!
Mechanical cleaning (tooth brushing, diets)
Chemical cleaning (Aqaudent, water additives with enzymes to prevent bacterial growth).

43
Q

Other things to remember?

A

• 70% of lower jaw strength is the lower canines
• Itchy dogs – worn incisors
• Amelioblasts that create enamel are sensitive
to heat
• Woods lamp vs Ic plaque. Light picks up
mature anerobic plaque

44
Q

What is periodontal disease?

A

Plaque initially forms on supragingival surfaces and then extends below the gum line. Conditions become more anaerobic as plaque, calculus and gingival swelling occlude the gingival sulcus.

45
Q

Causes of periodontal disease?

A
  • Breed and genetics
  • Age
  • Diet
  • Immunity or presence of other diseases
  • Tooth crowding
  • Trauma
46
Q

Systemic effects of periodontal disease?

A

Bacteria enter the bloodstream. Effects the function of the lungs, kidneys and heart

47
Q

Do puppies and kittens get molars?

A

No. Molars are permanent teeth.

48
Q

When does a puppies’ incisors come in?

A

2-3 weeks

49
Q

When does a puppies’ canines come in?

A

3-4 weeks

50
Q

When does a puppies’ premolars come in?

A

3-6 weeks

51
Q

When does a dogs’ incisors come in?

A

3-4 months

52
Q

When does a dogs’ canines come in?

A

4-5 months

53
Q

When does a dogs’ premolars come in?

A

4-6 months

54
Q

When does a dogs’ molars come in?

A

4-6 months

55
Q

When does a kittens’ incisors come in?

A

3-5 weeks

56
Q

When does a kittens’ canines come in?

A

3-6 weeks

57
Q

When does a kittens’ premolars come in?

A

4-10 weeks

58
Q

When does a cats’ incisors come in?

A

3-5 months

59
Q

When does a cats’ canines come in?

A

3.5-6 months

60
Q

When does a cats’ premolars come in?

A

3.5-6 months

61
Q

When does a cats’ molars come in?

A

3.5-7 months

62
Q

What is the dental formulae for a dog?

A

Deciduous:
3 1 3
——-
3 1 3 = 14

Permanent:
3 1 4 2
———
3 1 4 3 = 21

63
Q

What is the dental formulae for a cat?

A

Deciduous:
3 1 3
——-
3 1 2 = 13

Permanent:
3 1 4 2
———
3 1 4 3 = 21

64
Q

What order is a dental formulae read in?

A

Incisors, canines, premolars, molars.

NZ Vet Nursing: Anesthesia (10 decks)

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