removable and fixed protheses Flashcards
what is irreversible hydrocolloid?
alginate
what procedure is carried out when the sinus is too close to the alveolar ridge?
sinus lift
what procedure may need to be carried out in edentulous patients?
bone grafts
what are twist drills used for in implants?
create the required length of hole in the bone
what drill is used to widen the hole for an implant?
twist drill
what is the name of the stage where the implant gets put into the hole?
osteotomy
what are the two types of implant crowns?
- screw- retained crown
- cement retained crown
what is the perio condition called involved with implants?
peri-implantitis
what are the 5 main issues that can occur with implants?
- pain
- looseness of the screw
- looseness of the crown
- developments of pockets around the implant
- fractures
retaining teeth are involved either side of the missing teeth one solid design
fixed-fixed bridge
a joint is incorporated in the design to allow some degree of flexibility
fixed- moveable bridge
retaining teeth are to one side of the Pontic only
cantilever bridge
remaining teeth undergo minimal preparation retention is provided by wings.
adhesive/ maryland
used for between the prep and fit appt of a bridge
temporary bridge
what does the powder polymer and the liquid monomer make?
acrylic for dentures
what are the two types of curing for acrylic?
heat curing
cold curing
what can self- curing acrylic be used for? (3)
- temporary crowns
- chairside denture repairs
- to make special trays
saliva developing between the denture and the patients soft palate
suction film
along the back boarder of the upper denture to help suction film develop
post- dam
what are the clasps made of that can go around a patients tooth?
stainless steel clasps
changing the shape of the existing ridge such as by the removal of gross under cuts
alveoplasty
surgical removal of smoothing sharp ridges
alveolectomy
what are the 5 denture stages?
- impressions
- bite
- try
- fit
- review
what type of patients would a willis bite gauge be used?
edentulous
what are the 4 instruments/ materials used in the first impressions stage?
- stock impression trays
- alginate impression material
- shade and mould guides
- lab ticket
what 3 instruments/ materials are needed for the second stage of a denture?
- study models and special trays
- alginate/ elastomer impression material
- lab ticket
what material is used for the final impressions of a chrome-cobalt denture?
elastomer material
what are miller forceps used for?
to hold articulating paper
when is a soft tissue lining done?
when the soft tissued beneath the denture are continually sore
when is a functional impression done?
an impression that sets over hours making it more accurate.
what denture would be used when there are retained roots?
over denture
what denture would be used to seal off an abnormal cavity in the maxilla?
obturator
a cap or shell-like device made to cover three-quarters to the whole surface of a single tooth.
temporary or permanent crown
a facing made to fully cover the labial surface of a tooth
veneer
an insert into a tooth cavity that has been made in a lab
inlay
what materials can be used for a temp crown
preformed acrylic or polycarbonate
cold-cure acrylic
what is a veneer made from?
porcelain
what can an inlay be made from?
- all ceramic
- percious metal alloy
- non-precious metal alloy
how long should impressions be soaked for?
10 minutes or the manufactures guidelines
what percentage of bleach Should be in the disinfectant bath?
10%
what temperature should impressions be stored at?
room temperature or below preferably
what impression material and name are two puttys mixed together?
addition silicone and vinyl polysiloxanes (tubs of putty)
elastomer
base and catalyst pastes, mixed in equal portions or in preloaded tubes or a machine
polyether (impragum)
elastomer
what is the name of reversible hydrocolloid
agar
what burs are used during a crown preparation?
Dimond burs
