PROS PREP

Question 1

What would you write on a pros prescription card after doing primary impressions?

Answer 1

Title = Master Impressions/Special Trays

Please pour primary impression in 50:50 stone:plaster. Please construct non-perforated special tray in light cured acrylic resin 2mm spacing upper/ 1mm spacing lower with extra-oral handles.
- If using alginate 3mm spacing

Question 2

What would you write on a pros prescription card after doing master impressions?

Answer 2

TITLE = Jaw registration/Record blocks

Please pour master impression in 100% dental stone & construct upper and lower record blocks on light cured acrylic base

Question 3

What would you write on a pros prescription card after doing jaw registration?

Answer 3

TITLE = Try-in/Tooth trial

Please mount cast onto articulator using jaw registration provided. Please set upper teeth to wax rim and lower to uppers. Tooth shade and mould given.

Question 4

What would you write on a pros prescription card after doing tooth trial?

Answer 4

TITLE = Delivery

Please cut post dam as marked on cast. Wax up and finish in heat cured PMMA/acrylic.

Question 5

What mechanical methods are there for cleaning dentures?

Answer 5

• soap and soft brush
• microwave for 20s (NO METAL)
• ultrasonics

Question 6

What are the ideal properties of denture cleaners?

Answer 6

• cheap
• easy to use
• effectively removes biofilm mass
• effective stain removal
• bactericidal & fungicidal
• harmless to denture materials
• non toxic

Question 7

what type of denture cleaner is Steradent?

Answer 7

Alkaline peroxide

Question 8

What is the active ingredient in Steradent (alkaline peroxide)?

Answer 8

Sodium perborate

Question 9

What are denture alkaline peroxide cleaners not suitable for?

Answer 9

• calculus
• darker stains

Question 10

What dentures cleaners are NOT suitable for CoCr dentures?

Answer 10

Alkaline hypochlorites (causes corrosion)

Question 11

What dentures cleaners are NOT suitable for soft lined dentures?

Answer 11

Alkaline hypochlorites

Question 12

What chemicals are used to clean dentures?

Answer 12

• Alkaline peroxides
• Alkaline hypochlorite
• Acids
• Enzymes
• Abrasive cleaners

Question 13

What is an example of a brand name of alkaline hypochlorite denture cleaner?

Answer 13

Milton

Question 14

What is an example of an Enzymatic denture cleaner?

Answer 14

Poliment

Question 15

What are some negatives of chemical denture cleaning?

Answer 15

• damage
• bleaching
• allergies
• thermoplastic appliances

Question 16

How should metal-based dentures be cleaned?

Answer 16

Soak metal-based dentures in:
- Steradent/alkaline peroxide cleansers for MAXIMUM 15 MINUTES
- Dentural/Milton (alkaline hypochlorite cleansers) for MAX 10 MINUTES
- soak in water overnight

Question 17

How should denture with soft linings be cleaned?

Answer 17

Soak soft lining dentures in
- Steradent (alkaline peroxide) for MAXIMUM 15 MINS (cold water)
- soak in cold water overnight

Question 18

What is the FDI guidance on keeping dentures at their best?

Answer 18

1. brush dentures daily (not toothpaste)
2. soak dentures daily (use cleanser)
3. leave dentures out overnight
4. visit dentist regularly

Question 19

How long should dentures be soaked in Alkaline Peroxide cleaners?

Answer 19

Maximum 20 minutes (different for metals and soft linings)

Question 20

When giving patients new dentures, what instructions are key to provide?

Answer 20

• if PAINFUL contact practise
• speech may be impinged but this will improve with time
• start eating soft food
• remove dentures at night
• encourage hygiene

Question 21

What transfer lines should be put on record blocks?

Answer 21

• high smile line
• centre line
• canine line

Question 22

What does LIMBO stand for?

Answer 22

• lip support
• incisal level
• midline
• buccal corridor
• occlusal plane

Question 23

How far in front of incisive papilla should anterior teeth be set?

Answer 23

5.5mm