Lesson 1&2 Flashcards by Love Dog

Q

FUNCTIONAL RESTORATION WITH RPD

A

→ mastication
→ food reduction
→ esthetics
→ speech

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Q

joins the left and right side of the RPD

A

Major Connector

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Q

prevents denture from moving
also known as an indirect retainer can be on cingulum, incisal or buccal

A

Rests

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Q

prevents dislodgement forces; hugs the tooth

A

Direct Retainer

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Q

connects rest of the parts to the major connector

A

Minor Connector

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Q

always found on proximal areas

A

Guide Plane

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Q

connects other components to the major connector

A

Indirect Retainer

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Q

TYPES OF CLASP ASSEMBLY

A

RPA

RPI

RPC

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Q

Rest, Proximal Plane, Aker’s Clasp

A

RPA

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Q

RPI

A

Rest, Proximal Plane, I-Bar

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Q

RPC

A

Rest, Proximal Plane, Circumferential

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Q

TYPES OF PROSTHESES

A

TOOTH-SUPPORTED DENTURES

TOOTH AND TISSUE-SUPPORTED DENTURES

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Q

the edentulous space is between an anterior abutment teeth and posterior abutment teeth

A. TOOTH-SUPPORTED DENTURES
B. TOOTH AND TISSUE-SUPPORTED DENTURES

A

A

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Q

it is like a fixed bridge since the denture finds its support, stability and retention directly beside the edentulous space

A. TOOTH-SUPPORTED DENTURES
B. TOOTH AND TISSUE-SUPPORTED DENTURES

A

A

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Q

retention is partially placed on the abutment tooth right next to the edentulous space

A. TOOTH-SUPPORTED DENTURES
B. TOOTH AND TISSUE-SUPPORTED DENTURES

A

B

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Q

support and stability for vertical and horizontal movements are distributed to the edentulous spaced (soft tissue and residual ridge)

A. TOOTH-SUPPORTED DENTURES
B. TOOTH AND TISSUE-SUPPORTED DENTURES

A

B

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Q

1-3 mm of tissue rebound

A. TOOTH-SUPPORTED DENTURES
B. TOOTH AND TISSUE-SUPPORTED DENTURES

A

B

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Q

T/ F

DISADVANTAGES OF RPD

strain on the abutment teeth is often caused by improper tooth preparation, clasp design, and/or loss of tissue support under the distal extension partial denture bases

A

T

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Q

T/ F

DISADVANTAGES OF RPD

clasp can be unesthetic, particularly when they are placed on visible tooth surfaces without consideration of esthetic impact

A

T

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Q

T/ F

DISADVANTAGES OF RPD

caries may develop beneath clasp and other framework
components, especially if the patient fails to keep the prosthesis and the abutments clean

A

T

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Q

making the appropriate diagnosis, deciding a removable partial denture is indicated, and providing patient education regarding removable partial denture expectations over time

A. PHASE 1
B. PHASE 2
C. PHASE 3
D. PHASE 4
E. PHASE 5
F. PHASE 6

A

A

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Q

preliminary impression taking and diagnostic cast fabrication, articulation, & patient education

A. PHASE 1
B. PHASE 2
C. PHASE 3
D. PHASE 4
E. PHASE 5
F. PHASE 6

A

A

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Q

treatment planning, design of the partial denture framework, treatment sequencing, and execution of mouth preparations

A. PHASE 1
B. PHASE 2
C. PHASE 3
D. PHASE 4
E. PHASE 5
F. PHASE 6

A

B

Q

Arrange

A. treatment planning, design of the partial denture framework, treatment sequencing, and execution of mouth preparations

B. Treatment planning should be made accordingly (PSEROP)

C. Clinical and radiographic examination of the patients remaining teeth
(a) Caries
(b) Condition of existing restorations
(c) Periodontal conditions
(d) Response of teeth (abutment teeth) and the
residual ridge
(e) Vitality of the remaining teeth

D. Partial denture designing according to the patient’s
remaining oral structures

A

A
C
B
D

provision of adequate support for the distal extension denture base A. PHASE 1 B. PHASE 2 C. PHASE 3 D. PHASE 4 E. PHASE 5 F. PHASE 6

C

establishment and verification of harmonious occlusal relationships and tooth relationships with opposing and remaining natural teeth A. PHASE 1 B. PHASE 2 C. PHASE 3 D. PHASE 4 E. PHASE 5 F. PHASE 6

D

initial placement procedure A. PHASE 1 B. PHASE 2 C. PHASE 3 D. PHASE 4 E. PHASE 5 F. PHASE 6

E

adjustments to the contours and bearing surfaces of denture bases A. PHASE 1 B. PHASE 2 C. PHASE 3 D. PHASE 4 E. PHASE 5 F. PHASE 6

E

adjustments to ensure occlusal harmony A. PHASE 1 B. PHASE 2 C. PHASE 3 D. PHASE 4 E. PHASE 5 F. PHASE 6

E

review of instructions given the patient to optimally maintain oral structures and provided restorations A. PHASE 1 B. PHASE 2 C. PHASE 3 D. PHASE 4 E. PHASE 5 F. PHASE 6

E

follow-up services by the dentist through recall appointments for periodic evaluation of the responses of oral tissue to restorations and of the acceptance of restorations by the patient A. PHASE 1 B. PHASE 2 C. PHASE 3 D. PHASE 4 E. PHASE 5 F. PHASE 6

F

failure to use a surveyor or to use a surveyor properly

DIAGNOSIS AND TREATMENT PLANNING

MOUTH PREPARATION PROCEDURES → failure to properly sequence mouth preparation procedures → inadequate mouth preparations, usually resulting from insufficient planning of the design of the partial denture or failure to determine that mouth preparations have been properly accomplished → ______ supporting tissue to optimum health before impression procedures are performed → inadequate impressions of hard and soft tissue

failure to return

failure to use properly located and sized rests

DESIGN OF THE FRAMEWORK

→ flexible or incorrectly located major and minor connectors → incorrect use of clasp designs → use of cast clasps that have too little flexibility, are too broad in tooth coverage, and have too little consideration for esthetics

DESIGN OF THE FRAMEWORK

failure to develop a harmonious occlusion

OCCLUSION

failure to use compatible materials for opposing occlusal surfaces

OCCLUSION

failure of the dentist to provide adequate dental health care information, including details on care and use of the prosthesis

PATIENT-DENTIST RELATIONSHIP

failure of the dentist to provide recall opportunities on a periodic basis

PATIENT-DENTIST RELATIONSHIP

failure of the patient to exercise a dental health care regimen and respond to recall

PATIENT-DENTIST RELATIONSHIP

** → it permits treatment for the largest number of patients at a reasonable cost → it provides restorations that are comfortable and efficient over a long period of time, with adequate support and maintenance of occlusal contact relations → it can provide for healthy abutments, free of caries and periodontal disease → it can provide for the continued health of restored, healthy tissue of the basal seats → it makes possible a partial denture service that is definitive and not merely an interim treatment

OUR GOALS

WHY DO WE NEED TO CLASSIFY PARTIALLY EDENTULOUS ARCHES?

→ to facilitate treatment decisions on the basis of treatment complexity → to formulate a well-designed treatment plan → to design an appropriate denture for the expected occlusal load for a particular class → for the purpose of assisting our management of partially edentulous patients

REQUIREMENTS FOR CLASSIFICATION → should permit _____ of the type of partially edentulous arch that is being considered → should permit immediate ____ between the tooth-supported and the tooth- and tissue-supported removable partial denture → should be _____ acceptable

visualization differentiation universally

most widely used method of classification

KENNEDY METHOD OF CLASSIFICATION

attempts to classify the partially edentulous arch in a manner that suggest certain principles of design for a given situation

KENNEDY METHOD OF CLASSIFICATION

Who proposed KENNEDY METHOD OF CLASSIFICATION? And what year?

Dr. Edward Kennedy 1925

bilateral edentulous areas located posterior to the natural teeth

Class I

unilateral edentulous areas located posterior to the natural teeth

Class II

a unilateral edentulous area with natural teeth remaining both anterior and posterior to it

Class III

a single, but bilateral (crossing the midline), edentulous area located anterior to the remaining natural teeth

Class IV

APPLEGATE’S RULE Classification should follow rather than precede any extractions of teeth that might alter the original classification

RULE 1

APPLEGATE’S RULE If a third molar is missing and is not to be replaced, it is not considered in the classification

RULE 2

APPLEGATE’S RULE If a third molar is present and is to be used as an abutment, it is considered in the classification

Rule 4

APPLEGATE’S RULE The most posterior edentulous area (or areas) always determines the classification

Rule 5

APPLEGATE’S RULE Edentulous areas other than those that determine the classification are referred to as modifications and are designated by their number

Rule 6

APPLEGATE’S RULE The extent of the modification is not considered, only the number of additional edentulous areas

RULE 7

APPLEGATE’S RULE No modification areas can be included in Class IV arches. (Other edentulous areas that lie posterior to the single bilateral areas crossing the midline would instead determine the classification; see rule 5)

RULE 8