RPD LAB CHAPTER 2 DENTAL ARCH

-Distribution & alignement of remaining teeth

-location of edentulous space

-Supporting structures (e.g palate and alveolar ridges)

-Division of the arch

In RPD construction , the clinician must consider:

Division of the arch

IN RPD cosntruction, this is for accurate diagnosis, communication, and planning

Symmetry & arch form

In drawing the arch, this affects force distribution an esthetics

Tooth positions and morphology

In drawing the arch, this is critical for selecting abutments and designing rests, clasps and connectors

Moist

In trimming, make sure the model is __________ durign trimming

ERosion in cast

In trimming, prolonged immersion in tap water can cause what?

10-12MM

the cast should be mimum of what mm in the thinnest part

Parallel

trIM THE BASE ON THE MODEL TRIMMER________ TO RIDGES

3mm wide and 3mm deep land area

FOr master casts, imrepssions are boxed and trimmed with a _______ mm wide by ________mm deep land area to aid processing of acrylic

omitted -> easier to trim and remvoe the cast

FOr diagnostic casts, the land area should be ___________