Kennedy Classification Quiz and Flashcards in Dentistry

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Questions and Answers

RPD classification can be based on what factor?

Type of support

What is another factor that RPD classification can be based on?

Location of edentulous area

What is not a factor in RPD classification?

Dentist's fee

How many methods are there for RPD classification?

Many Signup and view all the answers

What is a characteristic of RPD classification methods?

They are based on different factors Signup and view all the answers

What is considered in Rule 7 of Kennedy classification?

The number of additional edentulous areas Signup and view all the answers

What is the characteristic of Class IV arches according to Rule 8?

They have no modification areas Signup and view all the answers

What is the function of the denture base in a Removable Partial Denture?

To carry the teeth Signup and view all the answers

What is the purpose of the primary impression in the clinical steps of Removable Partial Dentures construction?

To create a suitable stock tray Signup and view all the answers

What is the first laboratory step in the construction of a Removable Partial Denture?

Pouring the impression in dental stone Signup and view all the answers

What is included in the clinical steps of Removable Partial Dentures construction?

History taking, examination, and diagnosis Signup and view all the answers

What is the primary purpose of the final design drawing?

To guide the construction of the denture Signup and view all the answers

What is the final product of the construction process?

A denture Signup and view all the answers

What is the purpose of duplicating the final design drawing?

To create a refractory cast Signup and view all the answers

What is the role of surveying in this process?

To initiate the process Signup and view all the answers

What is the refractory cast used for?

To construct the denture Signup and view all the answers

What is the correct order of making Master Cast?

After mouth preparation Signup and view all the answers

What is the primary use of a primary cast?

Creating a special tray Signup and view all the answers

When should mouth preparation be done?

Before making Master Cast Signup and view all the answers

What is the origin of a primary cast?

A primary impression Signup and view all the answers

What is the correct statement about Master Cast and mouth preparation?

Master Cast is made after mouth preparation Signup and view all the answers

What is a primary cast also known as?

Master cast Signup and view all the answers

What should be done before making Master Cast?

Prepare the mouth Signup and view all the answers

What is the relationship between a primary cast and an impression?

A primary cast is made from an impression Signup and view all the answers

What is the purpose of a primary cast in dentistry?

To create a custom tray Signup and view all the answers

What is the correct sequence of events?

Prepare the mouth, then make Master Cast Signup and view all the answers

Study Notes

RPD Classification

RPD classification methods vary based on factors such as location of edentulous area, type of support, and denture extent.

Applegate's Rules

Rule 7: The extent of modification is not considered, only the number of additional edentulous areas.
Rule 8: There are no modification areas in Class IV arches; if a posterior edentulous area exists beside an anterior one, the former determines the class, and the anterior area is a modification.

RPD Components

Denture base: carries the teeth
Connectors:
- Major connector
- Minor connector
Retainers:
- Direct retainer (clasp or attachment)
- Indirect retainer

RPD Construction Steps

Clinical Steps

1. History taking, examination, and diagnosis
1. Primary impression in a suitable stock tray

Laboratory Steps

1. Pouring the impression in dental stone to construct the diagnostic cast
Diagnostic cast used for:
- Surveying
- Final design drawing
- Duplicating to refractory cast
- Final construction of the denture
Diagnostic cast may be used for special tray construction

Master Cast

Made after mouth preparation
Constructed from the diagnostic impression or primary impression

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Kennedy Classification in Dentistry