retention arm


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re·ten·tive arm

, retention arm
a flexible segment of a removable partial denture that engages an undercut on an abutment and is designed to retain the denture.

re·ten·tion arm

(rē-tenshŭn ahrm)
Portion of a removable partial denture clasp that engages a retentive area of the tooth and provides resistance to displacement of the prosthesis.
Synonym(s): retentive arm.
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