In the name of allah

SPOT EXAM

FOR PROSTHODONTICS

4th YEAR DENTAL STUDENTS

Topics you need to know and cover: 1- impression materials:

*impression compound,

*green stick,

*alginate,

* Zink oxide eugenol,

*rubber impression materials

2-other material used in clinical work:

*waxes: base plate wax, utility wax, sticky wax

*pressure indicating paste

*orange oil

*adhesive: tray adhesive for impression and denture adhesives

*disinfectant material

Cont….

*articulating paper

*acrylic material: heat cured, light cured and relining cold

cured

*disinfectant material that used both for disinfection the

clinic and for disinfection of impression material

*burs

*shade guide & size guide

*tray used for impression: metal and plastic

*fox plane and face bow

3- materials used in laboratory works:

*gypsum

*articulator

*flask

*teeth: acrylic porcelain

*type of occlusion

*rouge, pumice

4- know the anatomy of upper and lower jaw

5-the material used for taking the bite:

*Caramel wax

*base plate wax

*zinc oxide eugenol

*occlufast: it is an addition silicone.

This picture is for green stick

Sticky wax and

compound cake

The thickness of wax is 1.2 mm

The occlufast is the same as this one but its color

is purple, fast setting material

We have three type of articulating paper:

1-shim stock: metal folate, thickness is 8 microns

2-ractangular : thickness is 80 microns

3-horse shoe : thickness is 60 microns

40Micron

40Micron

Relining materials

Powder content of relining materials

Liquid content of relining material

Powder

content of

relining

materials

There is two type of relining

materials: hard and soft

Orange Oil

IT COMPOSED OF ZO CEMENT MIXED WITH

ORANGE OIL The ZO DOESN’T CONTAIN

RESIN COMPARE IT WITH IRM

Light butty “ as impression

indicating paste”

Topical anesthesia

Topical anesthesia

Cavity varnish

It contain zoe with resin

Prophylaxis

paste

Denture

adhesive

Spray anesthesia

Gloves

gloves

Chair disinfectant

Heat cure resin

Average articulator

Light cure machine

Condensation sillicon

Semiadjustible

articulator

Fully adjusatibe articulator

Pumice machine

Pumice powder

Cast trimer

Vibrator

Light cure Acrylic sheet

Cold mold seal “separator “

Alchohol

for

removing

cold mold

seal

Finishing

burs for

denture

fissure &

round

Acrylic bur

for denture

finishing

Sand paper

mandrel

White stone bur

Acrylic finishing bur

the brown more abrasive than the green one

Sand paper

Lower flask Upper flask

For edentoulus

ridge

For dentate

ridge

Lower perforated metal tray

edentulous patient

Lower perforated metal tray

dentate patient

upper non-perforated metal

tray edentulous patient

Lower perforated plastic tray

edentulous patient

Hydrocolloid alginate impression material

Neocollide alginate impressin material

Upper size guide

Upper cast

UPPER CAST

Upper cast

LOWER SECONDRY IMPRESSION

UPPER SECONDRY IMPRESSION

LOWER CAST

Upper cast

LOWER CAST

Labial

vestibule Labial

frenum

Buccal frenum

Buccal vestibule

Hamular notch

• Food accumulation

• Polymerization shrinkage

Vibrating lines

• Gag reflex

• Retention

Posterior palatal seal area

Introduction

• Stress bearing or supporting area

• Peripheral or limiting area

Buccal flange area and the buccal shelf

Flat mandibular ridges

Resorption pattern

Shape of the supporting structure

Mental foramen

Mylohyoid ridge

Genial tubercles

labial vestibule

Buccal vestibule

facial limiting structures:

External oblique ridge and the buccal flange

Masseter muscle region

Distal extension of the mandibular impression

Retromolar region and pad

Lingual borders

Mylohyoid muscle and mylohyoid ridge

Retromylohyoid fossa

Alveololingual sulcus

Hello everyone

I hope these slide will provide you with some information's about the laboratory lab work >>> and good luck in your prostho exam

upper final cast side paralesm copy

upper final cast with no. occlusal copy

lower wax rim copy

lower wax rim occlusal copy

lower wax rim side copy

Stock Pictures 005 copy

upper wax rim anterior part

copy

upper wax rim Back copy

lower cast with blue and red

lower cats custom traywith blue line

upper cast with blue and red

upper custom tray with blue

line

Lower teeth

lower cast

Maxillary Face Bow

Components:

Graduated

Condylar Rods

Tightening clamp

U Shaped Bow

Bite Fork

Universal Joint /

Jack Clamp

Infraorbital Pointer

Graduations on the rod