REM PROS communication with lab

Question 1

what are the key features of a lab prescription for special trays?

Answer 1

material (PMMA)
spacer (usually 3mm)
tray handle and/or stops?
special instructions eg horsehsoe tray

Question 2

when would you not have a spacer in a special tray?

Answer 2

close fitting tray in complete dentures for use with ZnO/ Eugenol imp paste

Question 3

what are key features of a lab prescription for record blocks?

Answer 3

do you need upper and/or lower
base eg wax, wire strengthener, shellac, CoCr etc

Question 4

what are key features of a lab prescription for partial denture design?

Answer 4

prescribe for primary cast to be surveyed and articulated
indicate design clearly on card
indicate material of base and materials for other elements eg clasps

Question 5

what are key features for a lab prescription for try in?

Answer 5

shade
mould
cusped/ cuspless teeth
setting
individual requirements eg 1mm diastema or no 7s etc

Question 6

what are key features of a lab prescription for the finish?

Answer 6

post dams - where/ how many?
relief areas - tori, overdentures
soft lining?
type of acrylic eg high impact or heat cured
special requirements eg gum contouring

Question 7

what additional information may you want to add to the lab prescription?

Answer 7

clinical photos
family photos
photos of old dentures
imps of old denture
odd clasp/ connector arrangements

Question 8

what must labs be registered with?

Answer 8

MHRA

Question 9

when would you not need to provide a statement of manufacture?

Answer 9

non medical devices eg gum shield