01.16-01.23 RPD

Question 1

if you have a “long-span edentulous area” and you want to do an RPD, what law should you follow and what does that law state?

Answer 1

-Ante’s Law: the area of the roots of teeth present needs to be greater or equal to the area of the roots that are being replaced

Question 2

Nesbit Prosthesis

Answer 2

unilateral partial denture

Question 3

Major connector

Answer 3

joins the components on one side of the arch to those on the opposite side
-maxillary major connectors provide surrport

Question 4

minor connectors

Answer 4

join other parts of the RPD to the major connector

- some designs provide reciprocation

Question 5

what are the objectives of RPD treatment?

Answer 5

it must always be “the preservation of that which remains and not the meticulous replacemetn fo that which has been lost”

• establish masticatory efficiency
• maintain/improve esthetics
• restore acceptable esthetics
• restore the patient’s mouth to an acceptable level of oral health

Question 6

what is classification of RPD based on?

Answer 6

the major connector material

Question 7

if the major connector is constructed of a cast metal alloy, the RPD is classified as….

Answer 7

a DEFINITIVE RPD

Question 8

if the major connector is plastic the RPD is classified as….

Answer 8

an INTERIM RPD or TRANSITIONAL RPD

Question 9

Interim RPD

Answer 9

-intended to provide esthetics and/or function until a more definitive form of treatment can be rendered. Temporary RPD=inappropriate term bc no dentures are permanent

Question 10

Transitional RPD

Answer 10

-loss of additional teeth is expected- denture teeth can be added to a transitional RPD as natural teeth are extracted

Question 11

______ receive all of their support from the abutment teeth and do not move much during function

Answer 11

tooth supported RPD

Question 12

______ is supported by the tissues under the denture

• retention from wrought wire clasps and the contact of plastic below the height of contour
• Usually interim RPDs
• potential for soft tissue damage-short use

Answer 12

Tissue supported RPD

Question 13

____ is supported at one end by natural teeth and at the other end by the denture bearing tissues

• do not move in function
• majority are bilateral or unilateral distal extension

Answer 13

tooth-tissue supported RPD

Question 14

what is the name of the classification system that is based on the configuration of the remaining natural teeth and the edentulous spaces?

Answer 14

Kennedy-Applegate classification system

Question 15

Kennedy Class I Arch

Answer 15

Characterized by bilateral edentulous areas located posterior to the remaining natural teeth

Question 16

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

Answer 16

Kennedy Class III Arch

Question 17

A single edentulous area that crosses the dental midline anterior to the remaining natural teeth

Answer 17

Kennedy Class IV Arch

Question 18

A unilateral edentulous area located posterior to the remaining natural teeth

Answer 18

Kennedy Class II Arch

Question 19

when are third molars not considered in the classification system?

Answer 19

when the 3rd molars are missing and not to be replaced

Question 20

if a 2nd molar is missing and is not to be replaced…

Answer 20

it is not considered in the classification

Question 21

_____ always determines the classification

Answer 21

the most posterior edentulous area(s)

Question 22

edentulous areas other than those determining the classification are referred to as….?

Answer 22

modification spaces and are designated by their number