Kennedy Classification

Question 1

What are the requirements for the Kennedy Classification system? (4)

Answer 1

1. Allows visualization of the type of arch
2. Permits differentiation between the types of support
3. Serves as a guide for design
4. Is universally accepted

Question 2

Currently the most widely used classification system for RPD:

Answer 2

Kennedy classification system

Question 3

Kennedy classification system can be applied to:

Answer 3

All partially edentulous situations

Question 4

The Kennedy classification system consists of:

Answer 4

Four classes

Question 5

In the Kennedy classification system, the ____ determines that classification:

Answer 5

Lowest number

Question 6

Determine the Kennedy Class:

B/L edentulous areas located posterior to the remaining natural teeth:

Answer 6

Kennedy Class I

Question 7

Determine the Kennedy Class:

A unilateral eventually area located posterior to the remaining natural teeth:

Answer 7

Kennedy Class II

Question 8

Determine the Kennedy Class:

A unilateral edentulous area with natural teeth remaining both anterior & posterior to it:

Answer 8

Kennedy Class II

Question 9

Determine the Kennedy Class:

A single, but B/L (crossing the midline) edentulous area located anterior to the remaining natural teeth:

Answer 9

Kennedy Class IV

Question 10

Edentulous area other than those determining the classification:

Answer 10

Modification space

Question 11

Eight rules governing the application of the Kennedy Classification system:

Answer 11

Applegate’s rules

Question 12

Applegate Rule 1 states that classification should:

Answer 12

Follow rather than precede any extractions of teeth that might alter the original classification

Question 13

Applegate Rule 2 states that if a third molar is missing and is not to be replace:

Answer 13

It is not considered in the classification system

(generally third molars are not replaced with an RPD)

Question 14

Applegate Rule 3 states that if a third molar is present and is to be used as an abutment:

Answer 14

It is considered in the classification

Question 15

Applegate Rule 4 states that if a second molar is missing and is not to be replaced:

Answer 15

It is not considered in the classification

(generally if the first molar is present and the second & third molars are missing, the second & third molars are not replaced)

Question 16

Applegate Rule 5 states that the ______ (or areas) always determines the classification

Answer 16

Most posterior edentulous area

Question 17

Applegate Rule 6 states that edentulous areas other than those determining the classification are referred to as ______ and are designated by their _____

Answer 17

Modifications; number

Question 18

Applegate Rule 7 states the ____ of the modification is not considered, only the ____ of additional edentulous areas is considered

Answer 18

Extent; number

Question 19

Applegate Rule 8 states there can be no ________ in Class ____ arches

Answer 19

Modification areas; Class IV

(Other edentulous areas lying posterior to the single B/L area crossing the midline would instead determine the classification)

Question 20

Determine the Kennedy Class & modifications:

Answer 20

Class I - Mod 2

Question 21

Determine the Kennedy Class & modifications:

Answer 21

Class II - Mod 1

Question 22

Determine the Kennedy Class & modifications:

Answer 22

Class II - Mod 1

Question 23

Determine the Kennedy Class & modifications:

Answer 23

Class II - Mod 2

Question 24

Determine the Kennedy Class & modifications:

Answer 24

Class III - Mod 1

Question 25

Determine the Kennedy Class & modifications:

Answer 25

Class III - Mod 1

Question 26

Determine the Kennedy Class & modifications:

Answer 26

Class III - Mod 1

Question 27

Classification type that is based upon the denture type:

Answer 27

Craddock Classification

Question 28

What are the three Craddock Classifications:

Answer 28

Type 1: Mucosa borne
Type 2: Tooth-borne
Type 3: Mucosa & tooth-borne