PROS PREP Flashcards
What would you write on a pros prescription card after doing primary impressions?
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
What would you write on a pros prescription card after doing master impressions?
TITLE = Jaw registration/Record blocks
Please pour master impression in 100% dental stone & construct upper and lower record blocks on light cured acrylic base
What would you write on a pros prescription card after doing jaw registration?
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.
What would you write on a pros prescription card after doing tooth trial?
TITLE = Delivery
Please cut post dam as marked on cast. Wax up and finish in heat cured PMMA/acrylic.
What mechanical methods are there for cleaning dentures?
- soap and soft brush
- microwave for 20s (NO METAL)
- ultrasonics
What are the ideal properties of denture cleaners?
- cheap
- easy to use
- effectively removes biofilm mass
- effective stain removal
- bactericidal & fungicidal
- harmless to denture materials
- non toxic
what type of denture cleaner is Steradent?
Alkaline peroxide
What is the active ingredient in Steradent (alkaline peroxide)?
Sodium perborate
What are denture alkaline peroxide cleaners not suitable for?
- calculus
- darker stains
What dentures cleaners are NOT suitable for CoCr dentures?
Alkaline hypochlorites (causes corrosion)
What dentures cleaners are NOT suitable for soft lined dentures?
Alkaline hypochlorites
What chemicals are used to clean dentures?
- Alkaline peroxides
- Alkaline hypochlorite
- Acids
- Enzymes
- Abrasive cleaners
What is an example of a brand name of alkaline hypochlorite denture cleaner?
Milton
What is an example of an Enzymatic denture cleaner?
Poliment
What are some negatives of chemical denture cleaning?
- damage
- bleaching
- allergies
- thermoplastic appliances
How should metal-based dentures be cleaned?
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
How should denture with soft linings be cleaned?
Soak soft lining dentures in
- Steradent (alkaline peroxide) for MAXIMUM 15 MINS (cold water)
- soak in cold water overnight
What is the FDI guidance on keeping dentures at their best?
- brush dentures daily (not toothpaste)
- soak dentures daily (use cleanser)
- leave dentures out overnight
- visit dentist regularly
How long should dentures be soaked in Alkaline Peroxide cleaners?
Maximum 20 minutes (different for metals and soft linings)
When giving patients new dentures, what instructions are key to provide?
- if PAINFUL contact practise
- speech may be impinged but this will improve with time
- start eating soft food
- remove dentures at night
- encourage hygiene
What transfer lines should be put on record blocks?
- high smile line
- centre line
- canine line
What does LIMBO stand for?
- lip support
- incisal level
- midline
- buccal corridor
- occlusal plane
How far in front of incisive papilla should anterior teeth be set?
5.5mm
