PubMed · 2622432
[Superior fourth with supernumerary root].
Abstract
Description of a fourth superior with an over-numbered root and the problems that follow, mostly relating to the endodontic level treatment, are presented.
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G C Zoccola, S Sapino. 1989. [Superior fourth with supernumerary root].. https://pubmed.ncbi.nlm.nih.gov/2622432/
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