Partial Denture Framework Calculator

Framework design from Kennedy classification.

Inputs

Kennedy class (1-4)

Missing teeth

Abutment teeth

Arch (0=mand, 1=max)

Tab to move between fields

Results

Major connector type

1

Clasp design (1-2)1

Number of clasps3

Rest seat preparations4

Complexity score (1-5)2

Est. lab fee ($)$850.00

Framework Weight13

How to Use This Calculator

Enter Kennedy class (1-4), Missing teeth, and Abutment teeth.
Set Arch (0=mand, 1=max).
Review the Major connector type result.
Use Clasp design (1-2) and Number of clasps to inform your decision.

What each input means

Kennedy class (1-4): I = bilateral post., II = unilateral post., III = bounded, IV = anterior.
Missing teeth: Total number of missing teeth to be replaced.
Abutment teeth: Number of teeth serving as abutments/rest seats.
Arch (0=mand, 1=max): 0 = mandibular, 1 = maxillary.

What each result means

Major connector type: Recommended major connector design (varies by arch).
Clasp design (1-2): 1 = RPI/stress-breaking, 2 = circumferential.
Number of clasps: Recommended number of retentive clasps.
Rest seat preparations: Number of rest seat preparations needed.
Complexity score (1-5): Design complexity rating.
Est. lab fee ($): Estimated laboratory fabrication cost.

How this is calculated

Worked example, using the default values

Identify Input Parameters
4 parameters
Kennedy class (1-4) = 1, Missing teeth = 3, Abutment teeth = 4, Arch (0=mand, 1=max) = 0 = 4 input(s) provided
Calculate Major connector type
1 = 1
Calculate Clasp design
Clasp design
1 = 1
Calculate Number of clasps
Number of clasps
3 = 3

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