Kennedy Classification Flashcards
What are the requirements for the Kennedy Classification System?
- allows visualization of the type of arch
- permits differentiation between types of support
- serves as a guide for design
- is universally accepted
Currently the most widely used classification system for RPD:
Kennedy Classification system
Kennedy Classification system can be applied to:
All Partially Edentulous situations
The Kennedy Classification System consists of:
4 classes
In the Kennedy Classification system, the ____ determines that classification
lowest number
Determine the Kennedy Class:
B/L Edentulous areas located posterior to the remaining natural teeth
Kennedy Class I
Determine the Kennedy Class:
A unilateral edentulous area located posterior to the remaining natural teeth
Kennedy Class II
Determine the Kennedy Class:
A unilateral edentulous area with natural teeth remaining both anterior and posterior to it
Kennedy Class III
Determine the Kennedy Class:
A single, but bilateral (crossing the midline) edentulous area located anterior to the remaining natural teeth
Kennedy class IV
Edentulous areas other than those determining the classification
Modification space
Eight rules governing the application of the Kennedy Classification System:
Applegate’s Rules
Applegate Rule 1 states that classification should:
Follow rather than precede any extractions of teeth that might alter the original classification
Applegate Rule 2 states that if a 3rd molar is missing and is not to be replaced:
it is not considered in the classification
(generally, third molars are not replaced with a RPD)
Applegate Rule 3 states that if a 3rd molar is present and is to be used as an abutment:
It is considered in the classification system
Applegate Rule 4 states that if a second molar is missing and is not to be replaced:
It is not considered in the classification
(generally if the first molar is present and the second and third molars are missing, the second and third molars are not replaced)
Applegate Rule 5 states that the _____ (or areas) always determines the classification
most posterior edentulous area
Applegate Rule 6 states that edentulous areas other than those determining the classification are referred to as ___ and are designated by their ___.
modifications; number
Applegate Rule 7 states that the ___ of the modification is not considered, only the ___ of additional edentulous areas is considered.
extent; number
Applegate Rule 8 states that there can be no ___ in class ___ arches.
modification areas; class IV
(other edentulous areas lying posterior to the single bilateral area crossing the midline would instead determine the classification)
Determine the Kennedy Class and Modification:
Kennedy Class I Mod 2
Determine the Kennedy Class and Modification:
Kennedy Class II Mod 1
Determine the Kennedy Class and Modification:
Kennedy Class II Mod 1
Determine the Kennedy Class and Modification:
Kennedy Class II Mod 2
Determine the Kennedy Class and Modification:
Kennedy Class III Mod 1
Determine the Kennedy Class and Modification:
Kennedy Class III Mod 1
Determine the Kennedy Class and Modification:
Kennedy Class III Mod 1
This classification is based upon denture type:
Type 1: Mucosa borne
Type 2: Tooth-borne
Type 3: Mucosa and Tooth-borne
Craddock classification
