RPD LAB CHAPTER 3 CAST KNOCKOUT

Knock out of cast

This is a dental clincial procedure that involves modifying a master cast to simulate a partially edentulous dental arch

Dental cast

This is a positive reproduction of a patients teeth and sourrounding tissues obtained from a dental impression

-Plaster of paris

-Die stone

-dental stone/ cast stone

dental cast is made up of gympsum products, name 3 products

Dental stone

THis is consdiered as a gympsum product of choice of knockout procedure

-Sandpapers (roughest and smoothest grit)

-Cutter

-PLiers/rongeurs

-Low speed ahndpiece

-BRush

-Pencil

-Small saw

-Pair of dental cast

8 Armamentarium of cast knockout

-Smooth

-Rough

THe edentulous ridge shoudl present____ edges and surface. No ____________ marks left by the sandpaper

TRue

True or false: RIdge should not present any udnercuts on its palatal surfaces and facial surfaces

TRue

TRue or false: anatomcial landmarks like your rugae should be preserved

True

True or false: He height of the edentulous ridge should terminate on the cervical third of the abutment tooth

TRue

True or false: toot prominence of yoru facial and palatal area should be removed to simulate complete anatomic form of the edentulosu ridge

-Ridge

-Base

There should be a smooth blend on the junction between ________ and the _________ of the cast