Removable Partial Denture: Equipoise Clasp

Equipoise Clasp was designed by Roach in 1930. Roach concepts on Equipoise were later modified by European and North American dentists giving us similar clasps concepts with other names.

Equipoise Clasp in Lower Removable Partial Denture

The Equipoise, is designed for use on the palatal / lingual surface of the abutment. In Equipoise concept, the dentist must place an element of support, and contention and retention for the distal buccal surfaceof the aboutment.

Equipoise removable partial denture is esthetically pleasing because there is no arm to buccal.

Equipoise Removable Partial Denture

Another clasp known as X clasp is sometimes referred as Equipoise clasp. These 2 clasps are not the same. X clasp needs an intra-crown system and the occlusal rest is thicker.

Equipoise are designated on canine and premolars, in clinical cases of Kennedy Class I and II.

[1] Equipoise Removable Partial Denture –

For more information on the best possible Prosthodontic Treatment for your case, please consult your Dentist. “There is no online material nor website that can substitute for professional advice.”

Written by:
Jesus Lecitona+, DMD, MScD-Prosthodontics
Email your questions about Complete Dentures at: jes[at]
Dentures Cost –

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3 Responses

  1. Andrew S says:

    Nice post, I like the pictures, can I ask… Is this breakable or not?

  2. Yes of course, it is breakable. It is still man made.

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