serving as a substitute
• (a.) Pertaining to, or acting as, a succedaneum; supplying the place of something else; being, or employed as, a substitute for another.
a tooth that replaces or succeeds another.
1. Relating to a succedaneum. ... 2. Relating to the permanent or second teeth that replace the deciduous or primary teeth. ... Origin: see succedaneum ... (05 Mar 2000) ... 
(suk″sә-da´ne-әs) coming after or replacing something else.
Suc`ce·da'ne·ous adjective [ Latin succedaneus . See Succeed .] Pertaining to, or acting as, a succedaneum; supplying the place of something else; being, or employed as, a substitute for another. Sir T. Browne. 
Type: Term Pronunciation: sŭk′sē-dā′nē-ŭs Definitions: 1. Relating to a succedaneum. 2. Relating to the permanent or second teeth that replace the deciduous or primary teeth.