Embrasure clasp are usually used in cases of
In the fabrication of an unmodified Class II or Class III partial denture, there are no edentulous spaces on the opposite side of the arch to aid in clasping. Mechanically, this is a disadvantage. However, when the teeth are sound and retentive areas are available or when multiple restorations are justified, clasping can be accomplished by means of an embrasure clasp.
Class I cases with modifications
Class II cases with modifications
Class III cases without modifications
All of the above