dovetail

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dove·tail

(dŭv'tāl),
A widened portion of a cavity preparation usually established to increase the retention and resistance form.
Farlex Partner Medical Dictionary © Farlex 2012

dove·tail

(dŭv'tāl)
Widened portion of cavity preparation usually established to increase retention and resistance form.
Medical Dictionary for the Dental Professions © Farlex 2012