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Impression trays - Coggle Diagram
Impression trays
impressions
requirements
types
stock
for dentelous patients
for edentelous patients
according to nature of impression
plain
perforated
rim-lock
water-cooled
special / individual / custom
advantages
materials used
models (casts)
construction of primary / study cast
construction of special trays
methods
types
non-metallic
acrylic resin
construction of self-curing base
with stops for mucostatic impression technique
advantages of self-curing base
thermoplastic vinyl sheets
compound impression
old denture
shellac base
metallic
pouring the cast
treatment of final cast
Spacer
boxing of impression
advantages
techniques
on maxillary impression
on mandibular impression