Prosthodontics & Occlusion · single question

What is the appropriate finish line for a porcelain laminate veneer at the incisal edge when incisal coverage is planned?

  1. A shoulder (incisal overlap) finish line
  2. A feather-edge with no reduction
  3. A deep chamfer at the cervical only
  4. No finish line is prepared
Show answer and explanation

Correct answer: A. A shoulder (incisal overlap) finish line

When the veneer covers the incisal edge, a defined incisal shoulder/overlap preparation provides space and a clean margin for the porcelain, improving strength and esthetics.Other options: A feather edge is weak and unesthetic; a cervical chamfer alone does not address the incisal coverage; some finish line is always required.Key exam takeaway: Veneer with incisal coverage: prepare an incisal shoulder/overlap finish line.

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