Drawing DesignRPD Lab 2 Draw on study models

ObjectivesUnderstand relationship among components Recognize each specific component Able to draw specific design on dental casts

Hamular notch

Retro-molar pad

Objectives

Drawing design

Plan for tooth alteration

Objectives

Drawing design

Plan for tooth alteration Communicate with patient

Objectives

Drawing design

Plan for tooth alteration Communicate with patient Communicate with dental technician

Objectives

Drawing design

Plan for tooth alteration Communicate with patient Communicate with dental technician

Objectives

Drawing design

Plan for tooth alteration Communicate with patient Communicate with dental technician

Objectives

Drawing design

Plan for tooth alteration Communicate with patient Communicate with dental technician

Objectives

Drawing design

Plan for tooth alteration Communicate with patient Communicate with dental technician

Drawing frame addition

Laser spots Communicate with dental technician

How to...

Drawing design

Draw design on a note pad Draw design on models (upper/lower jaws)

How to...

Drawing design

Draw design on a note pad

How to...

Drawing design

Draw design on a note pad

Work order form

How to...

Drawing design

Draw design on a note pad

Work order form

How to...

Drawing design

Draw design on a note pad Draw design on models (upper/lower jaws)

How to...

Drawing design

Draw design on a note pad Draw design on models (upper/lower jaws)

Lab II exercise

Upper Jaw

Lower Jaw

How to...

Drawing design

Ideal position of all components

How to...

Drawing design

Ideal position of all components Rests Proximal plates Retentive clasp arms Reciprocal clasp arms

How to...

Drawing design

Ideal position of all components Rests Proximal plates Clasp unit Retentive clasp arms Reciprocal clasp arms

How to...

Drawing design

Ideal position of all components Rests Proximal plates Retentive clasp arms Reciprocal clasp arms

How to...

Drawing design

Ideal position of all components Retentive framework Palatal strap Other minor connectors

How to...

Drawing design

Ideal position of all components Retentive framework Palatal strap Other minor connectors

How to...

Drawing design

Ideal position of all components Retentive framework Palatal strap Other minor connectors

How to...

Drawing design

Ideal position of all components Retentive framework Palatal strap Other minor connectors

How to...

Drawing design

How to...

Drawing design

Review clasp design

Review clasp designShort, straight Wrong design clasp

How to...

Drawing design

Ideal position of clasps unit

How

Require tooth alteration to... toothDrawingcontour Alter shape, design

Ideal position of clasps unit

How

Require tooth alteration to... toothDrawingcontour Alter shape, design Grinding excessive contour Grinding area for clasp terminal if undercut is not sufficient.

Ideal position of clasps unit

Relation of clasp unit, metal frame and denture base

External finishing line

Relation of clasp unit, metal frame and denture base

Internal finishing line

Relation of clasp unit, metal frame and denture base

Relation of clasp unit, metal frame and denture base

Drawing designColor pencils

Drawing designColor pencils

Sharp

Drawing designRed Blue Green Black Metal framework Denture base Wrought wire Survey line

Students Exercise

Besides color pencils and study models,What else should you have before starting this exercise?

Besides color pencils and study models,What else should you have before starting this exercise?

Clear understanding

Imagination

Drawing design

Palatal strap

Drawing design

Palatal strap

Drawing design

Palatal strap

Drawing design Cingulum rest

Drawing design Cingulum rest

Occlusal rests

Drawing design

Simple circumferential clasp

Drawing design

Double embrasure clasp

Drawing designWrought wire clasp Combination clasp

Drawing design

Retentive framework

Drawing design

Retentive frameworkLadder Mesh Loop Nail head projection

Drawing design

External finishing line

Drawing design

Minor connector

Drawing design

Minor connector Indirect retainer

Wrought wire

Check tooth interference

Solder spot

Denture base outline

Clasp terminal locates in buccal embrasure

Clasp terminal locates in lingual embrasure

Minor connector locates on one tooth

End part I

Part II

Lower jaw

Rests and minor connectors

Major connectors Lingual bar

External finishing line

Proximal plate

Metal-tooth contact 1-2 mm. vertical distal width of tooth surface

Metal-tooth contact 1-2 mm. vertical distal width of tooth surface

Ring clasp strut

I-bar

Modified T-bar

Dead space Unwanted space

Unwanted tooth contour

Tooth interference Require enameloplasty by tooth alteration

Acceptable space

Spacing Less than 1 mm.

Spacing Less than 1 mm.

End documentUnderstand relationship among components Recognize each specific component Able to draw specific design on dental casts

RPI direct retainer

(finish line) 3-6 ..

Denture base estheticsShape, form, contour, color, and color pigment characterization

Denture base esthetics

Denture base estheticsCustom colorization

Denture base estheticsProvisional RPD to study tooth alignment Note: custom colorization

Denture base esthetics

(ring clasp) (strut)