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Q

Reimplantation:
insertion and temporary fixation of partially or completely avulsed tooth or teeth, resulting from traumatic injury

Reline:
acrylic restoration of denture base to compensate for bone loss; direct: done at chairside; indirect: in conjunction with a dental laboratory

Restoration:
replacement of portion of a damaged tooth

Retained root:
partial root structure remaining in jaw after extraction or fracture of a
natural tooth

Root:
tooth structure that connects the tooth to the jaw

Root canal:
common term for root canal therapy, also the interior space of the tooth
root

Root canal therapy:
process of removing pulp of a tooth and filling it with an inert material

Root resection:
removal of a portion of diseased root structure, retaining the remaining natural tooth

Rubber dam:
soft latex sheet used to establish isolation of one or more teeth from contamination by oral fluids and to keep materials from falling to the back of the throat