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REMOVABLE PARTIAL DENTURES

REMOVABLE PARTIAL DENTURES

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REMOVABLE PARTIAL DENTURES. TERMINOLOGY. Prosthesis. Is an artificial replacement of an absent art of the human body. Dentulous Patients. Patients having a complete set of natural teeth . Edentulous Patients. Patients having all their teeth missing . Edentulous Patients. - PowerPoint PPT Presentation

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Page 1: REMOVABLE PARTIAL DENTURES

REMOVABLE PARTIAL DENTURES

Page 2: REMOVABLE PARTIAL DENTURES

Dentulous Patients

Is an artificial replacement of an absent art of the human body

Prosthesis

Edentulous Patients

Patients having a complete set of natural teeth

Patients having all their teeth missing

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Edentulous Patients

COMPLETE DENTURE

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•Patients having one or more but not their entire natural teeth missing.

Partially Edentulous Patients

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Removable Partial Denture = R.P.D Fixed bridge= F.P.D

Implant

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Fixed bridge

Implant

Removable Partial Denture, R.P.D

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• Removable dental prosthesis (appliance) replacing one or more natural teeth and associated oral structures

Removable Partial Denture (RPD)

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Free End Edentulous Area (Distal extension edentulous area): An edentulous area, which has an abutment tooth on one side only

Bounded Edentulous Area: An edentulous area, which has an abutment tooth on each end

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Abutment: A tooth, a portion of a tooth, or that portion of a dental implant that serves to support and/or retain prosthesis

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INDICATIONS FOR REMOVABLE PARTIAL DENTURES1- No abutment tooth posterior to

edentulous space (Free end edentulous area)

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2- Long edentulous bounded span, too extensive for fixed restoration

INDICATIONS FOR REMOVABLE PARTIAL DENTURES

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INDICATIONS FOR REMOVABLE PARTIAL DENTURES

3- Periodontally weak teeth not sufficiently sound to support fixed- partial denture.

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Periodontally weak teeth

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Free end edentulous areaPeriodontally weak teeth

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4- With excessive loss of residual bone, the use of labial flange or need to restore lost tissues.

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Excessive loss of residual bone

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With excessive loss of residual bone, space is seen under the pontic.

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INDICATIONS FOR REMOVABLE PARTIAL DENTURES

5- After recent extraction, usually done only to improve esthetics, or for patient satisfaction.

6- Need of bilateral bracing (cross arch stabilization)

7- Young age (less than 17 years).

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Young age (less than 17 years) has a high pulp horn

Young Old

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7- Enhancing esthetics in anterior region, by the use of translucent artificial teeth instead of dull fixed partial denture pontic.

8-Economic considerations, attitude and desire of the patient.

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Enhancing esthetics in anterior region, by the use of translucent artificial teeth instead of dull fixed partial denture pontic

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OBJECTIVES OF REMOVABLE PARTIAL DENTURES

Preservation of the Remaining Tissues

D- Preservation of the tongue contour and space.

A- Preservation of the health of the remaining teeth.

B- Prevention of muscles and TMJ Dysfunction.

C-Preservation of the residual ridge.

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Replacement of lost teeth prevents the migration of teeth into the edentulous area following the loss of the natural dentition

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Migration of teeth into the edentulous area following the loss of the natural

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Change the pattern of mandibular closure as a result of loss of some teeth

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Normal masticatory cycle

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Restore the Continuity of the Dental Arch to Improve Masticatory Function

OBJECTIVES OF REMOVABLE PARTIAL DENTURES

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OBJECTIVES OF REMOVABLE PARTIAL DENTURES

Improvement of Esthetics, and Providing Support to the Paraoral Muscles, Lips and Cheeks

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Restoration of Impaired speech

OBJECTIVES OF REMOVABLE PARTIAL DENTURES

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Induce stresses on abutment teeth and tissues PM destruction

Inflammation

Improper occlusion cause T.M.J. disorders.

HAZARDS OF IMPROPERLY DESIGNED PARTIAL DENTURES

Stagnation of food causes tooth decay

Bone resorption

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HAZARDS OF IMPROPERLY DESIGNED PARTIAL DENTURES

Tooth decay

Inflammatory changes of soft tissues

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Sensitivity from acryl

Ill fitting denture Inflammation, ulceration ,gingival recession, bone resorption

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ADVANTAGES OF REMOVABLE PARTIAL DENTURE OVER FIXED PARTIAL DENTURE

1- RPD constructed for any case whilst FPD are confined to short spans bounded by healthy teeth and with a normal occlusion.

2- Cheaper than fixed partial denture

3- They are more easily cleaned

4- They are more easily repaired

5- No tooth reduction is required