Impressions for dentures Flashcards
what is the primary support area in an upper denture?
hard palate
what is the secondary support area in an upper denture ?
ridge crest
what areas may require relief in an upper denture?
midline suture
incisive papilla
what is the primary support area in a lower denture?
buccal shelf and pear shaped pad
what is the secondary support area in a lower denture?
ridge crest and genial tubercles
what areas may require relief in a lower denture?
mental tubercles
genial tubercles
what type of stock trays are used?
perforated
material for imp
alginate
what material is used for a special tray in DDH?
shellac
spacing for primary imps?
3mm
clearance between putty and remaining standing teeth
3mm
assessment of imp
edentulous areas included
sulci area included
standing teeth all included
deficiencies due to air inclusion?
depth of extension into sulci
2mm
what can you do if pt has a high arched palate/ tuberosities
pre pack
what is used to disinfect imps and for how long?
10000ppm (1%) sodium hypochlorite/ actichlor
2 mins