try in appointment

8/12/2019 try in appointment

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CompleteDentures

Appointment4

The Try-In


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Introduction

Goals:Evaluate and finalizethe anterior esthetics.Evaluate and finalizethe occlusion.


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IntroductionThe student/practitionershould:

Complete thewax-up/set-up.

Patient evaluate set-up.Obtain patient approval.


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Esthetic Set-UpFactors:

Tooth AlignmentGolden MeanAnatomic Contours


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THINGS THAT SHOULD

HAVE BEEN DONE PRIOTO THIS APPOINTMENT


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The occlusal rims contoured

to hold the lips in proper

position.

The teeth properly set in

the wax to maintain

desired labial fullness.

The t eeth set t oo far labially

giving the lips a pouched

outappearance.

The teeth set too far lingually

giving the lips a dished in

appearance.


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Axial Inclination of Maxillary Anteriors

in the Basic Arrangement.


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Axial Alignment of MandibularAxial Alignment of Mandibular

Anterior Denture TeethAnterior Denture Teeth

A. Facial View.A. Facial View.

B. Proximal View.B. Proximal View.

B

A


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Use of a Curved Plate for

Balanced Occlusions.

Maximum Labial Placement

of Lower Anterior Teeth.

20 O CURVED

M ETAL PLATE

RETROM OLAR PAD


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The Mandibular Residual Ridge

as a Landmark for Setting Teeth.


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RELATIONSHIP OF CUSPED POSTERIORRELATIONSHIP OF CUSPED POSTERIORTEETH IN CENTRIC OCCLUSIONTEETH IN CENTRIC OCCLUSION


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POSTERIOR HORIZONTAL OVERLAPOF FLAT PLANE TEETH.

MAX.

MAND.

CREST

OF THE

RIDGE

CREST

OF THERIDGE


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UPPER

MEMBER M0 VEMENT


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MAXILLARY CAST

1.5 TO 2.0 MM THICK

10MM (APPROX.)

BULK WAXING COMPLETE DENTURES


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Tooth Alignment

CentralsLateralsCanines


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Three different approaches to

providing a denture on the

same patient. Note thedifferences in the setting of

the teeth and the festooning.

The same mold of teeth was

used in each case.


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Tooth Alignment

Midline:Centered with thepatients face/

Perpendicular withthe eyes.


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Midline


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Smile Line

Should follow thecontour of the lower lip.

Varies with each patient.


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Smile LinePositive

Negative


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Length of Centrals

M ill t i i


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Maxillary anteriors are inharmony with lower lip.


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Width of six anterior teeth


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Width of Ant. Six


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A. Two planes exist in setting maxilla

posterior teeth.. B. There are at leas

ways of aligning the mandibular teet

with the ridge. C. The anterior teethshould not be placed further forward

than a line drawn from the labial

vestibule perpendicular to the occlus

plane.

A

B C


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Plane ofOcclusion

Anterior-PosteriorHorizontal Orientation.

Parallel With PatientsEyes Anteriorly.


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A. Right side working.

B. Left side balancing.

A B


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D. Protrusive

A. Centric

B. Balancing

C. Working


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Plane of Occlusion


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Plane of Occlusion


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Function

Evaluate:Vertical dimensionSpace available fortongue, lip-support, etc.


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Esthetic Try-In

Use of a small amount of denture adhesive ishelpful in building patients confidence at the

try-in stage.


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Observe Maximum Intercuspation

Centric occlusion should correspond with articulator.


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Evaluate Anterior Teeth

The vermilian border should be supportedby the teeth.


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Evaluate The Relation Of MandibularTeeth In Relation To Lower Lip.

Mandibular anterior teeth should bepositioned to contact lower lip.


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Evaluate Vertical Axis of Anterior TeethRelative to Base of Denture.


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Observe Lip Support

Lip Support Should Come From Labial

Surfaces of Anterior Teeth.


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Evaluate Cheek Contact.

Teeth Should Be in Muscular BalanceBetween Cheeks and Tongue.

Evaluate Position of the Teeth


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Evaluate Position of the TeethRelative to the Tongue.

Difficult to evaluate


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Denture provides lip support in B as comparedto A, leading to recovery of patients natural

appearance.

A B


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Proper contouring of dentures can significantlyimprove the physical appearance of the patient.


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O l i


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OcclusionCentric RelationCentric OcclusionVertical Dimension

of OcclusionVertical Dimension

of Rest


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Occlusion

Centric Occlusion


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Centric Occlusion

Occlusion


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Occlusion


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Occlusion

O l i


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Occlusion

Centric Occlusion

O l i


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Occlusion

Centric Occlusion


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##


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Golden Mean


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Golden Mean

G ld M


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Golden Mean


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Golden Mean

E th ti


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Esthetics


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Esthetics


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Esthetics


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W U


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Wax-Up

Should be

finished and

neat before

seating the

patient.


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Patient Approval/Acceptance


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stheti s

EEEE


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sthetics

sthetics

sthetics

sthetics


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Esthetics

Place the denture.

Evaluate esthetics.Correct problems.

Let the patientsee set-up.


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Introduction

Factors:

TextureColor

Arrangement


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Texture

Look closelyat the texture

of the gingiva.

What do you see?

T


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Texture

Attached gingiva

Attached mucosa

Orange peeltexture

Smooth

Texture


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Texture

Orange Peel

Smooth

T


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Texture

Achieved by:Waxing proper contours.

Not over-polishing.Minimal polish of areas

around teeth.

Texture


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Texture

Wax to

ideal.

Do notover

polish.

Color


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ColorAttached gingiva is:Lighter, pinker than

mucosa.

Darker, browner.Pink in the light skin races.

Brown to purple in the

dark skin races.

C l


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Color

Contrast the two colors

Color


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Color

Notice the small blood vessels

COLOR


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COLOR


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Documents

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