custom tray for partial denture Flashcards
steps
1) outline the cast, indicate where the stops will be
2) prefer stops on teeth and nonfunctional cusps
3) cover 5 mm of the soft tissue
start with the cast and outline
1) limit of RPD major connector and functional vestibule
2) custom tray outline is 2-4 mm short of the vestibule
- when you get toward the teeth, make 5 mm down from gingival margins
blockout
1) 1 wax sheet that goes over everything on ur red outline
2) 2 additional layers for the teeth
3) cut stops
4) vaseline next!
5) make a tray lol
criteria
1) stable, retentive on cast
2) resin thickness is uniformly 2 mm
3) edges of the tray should be 2 mm thick, no rough or sharp edge
4) reinforcement - none for partially edentulous trays
5) handle about 20 x 15 mm
6) keep it clean