DR . NORA SHETA ASSISTANT PROFESSORS PROSTHODONTIC

Terminology (Definitions)

Prosthetics: The art and science of supplying artificial replacement for missing parts of the human body.

Artificial EyeArtificial nose

Prosthesis: An artificial replacement of an absent part of the human body.

Dental prosthesis (Denture)

The art and science of supplying artificial replacement for missing parts of the human body.

An artificial replacement of an absent part of the human body.

It is the dental specialty pertaining to the diagnosis, treatment planning, rehabilitation & maintenance of the oral function, comfort, appearance and health of patients with clinical conditions associated with missing/deficient teeth &/or maxillofacial tissues using biocompatible substitute.

Dentulous: A condition in which natural teeth are present in the mouth

Edentulous: A condition in which the mouth without teeth

• Partially edentulous: A condition in which some of the natural teeth are lost

Denture : An artificial substitute for missing natural teeth and adjacent tissues

Complete denture

Fixed bridge

Implant

Removable Partial Denture, R.P.D

Complete denture

A removable dental prosthesis that replaces the entire dentition and associated structures of the maxilla or mandible

2

1

1- Denture base

2- Artificial teeth

Components of complete denture

ARTIFICIALTEETH

DENTURE BASE

LINGUAL

LABIAL

BUCCAL

BUCCAL

BUCCALFLANGE

DENTUREBORDER

DENTURE BORDER

BUCCALBUCCALLINGUAL

LABIAL

LINGUALFLANGE BUCCAL

FLANGE

Denture surfaces

1- Denture basal surface:

2- Denture polished surface:

3- Denture occlusal surface

Objectives of complete denture

1-Restoration of the function of mastication to restore the normal digestive process

2- Appearance (esthetics) restoring the normal appearance of the face especially the lower third of the face.

►Loss of teeth (especially anteriors) Speech Defects►The artificial teeth should be placed in a positionpreviously occupied by the natural teeth.

STEPS OF C.D CONSTRUCTION

EXTRA ORAL DIAGNOSIS

INTRAORAL DIAGNOSIS

RADIOGRAPHIC EXAMINATION

PRIMARY IMPRESSION

IRREVERSIBLE HYDROCOLOID(ALGINATE)

POURING PRIMARY IMPRESSION

PRIMARY CAST

BLOCK OUT OF LABIAL UNDERCUTS

ACRYLIC SPECIAL TRAY

ZINC/OXIDE SECONDARYIMPRESSION

BOXING OF SECONDARY IMPRESSION

MASTER CASTS

NATURAL POSITION OF TEETH

OCCLUSION BLOCKSINTRAORALLY

FACE BOW RECORD

BITE REGISTRATION

MOUNTING ONARTICULATOR

TRYININTRAORALLY

WAXING UP

PROCESSING

LABORATORY REMOUNT

DELIVERY(THE HAPPY ENDING)

BEFORE

AFTER