Anatomy & Histology · single question
What is included in the biological width?
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Correct answer: A. Junctional epithelium + connective tissue attachment
BIOLOGICAL WIDTH (Gargiulo et al.) = the combined dimension of: (1) JUNCTIONAL EPITHELIUM (~0.97mm) + (2) SUPRACRESTAL CONNECTIVE TISSUE ATTACHMENT (~1.07mm) = approximately 2mm total. It does NOT include the gingival sulcus (sulcular epithelium). Violation of biological width during crown preparation causes chronic inflammation. The biological width is JE + connective tissue attachment only. A is correct.
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