• This is the most accepted classification given by EDWARD KENNEDY.
• The Kennedy’s classification is based on the relationship of the saddles to the natural teeth.
• It has four main group with modifications of each of the first three of these:

CLASS-1

Bilateral edentulous area located posterior to the remaining natural teeth.

CLASS-2

Unilateral edentulous area located posterior to the remaining natural teeth.

CLASS-3

Unilateral edentulous area with natural teeth both anterior and posterior to it.

CLASS-4

Single bilateral edentulous area located anterior to the remaining natural teeth.

MERITS

• Classification is simple and universally accepted.
• It allows to clearly communicate, to write, or to diagnose the condition of the oral cavity in which teeth are to be replaced.
• It permits visualization of the type of partially edentulous arches being considered.
• Type of design can be decided.
• Easy to apply.
• Forms basis for Applegate, Kennedy and Swenson classification.
• Type of support can be determined.

DEMERITS

• Does not give proper information of teeth present and their positions.
• Does not mention about abutment teeth.
• Not applicable to single standing tooth.
• It tells about spaces but not all teeth to be replaced.