What condition are the gums in before taking an impression?

• A. Freshly extracted site
• B. During healing phase but not final shape
• C. After the gums have permanently stopped changing shape
• D. Healed and shrunk to final shape

Answer: (D)

Impression accuracy depends on whether the soft tissue around the teeth has settled into a stable, final contour. Right after an extraction or during the healing process, the gums are inflamed and changing shape due to edema, tissue remodeling, and scar formation. That means the gingival margins and sulcus are not in their final position, so an impression would capture a moving target and likely result in a prosthesis that doesn’t fit well.

Once healing is complete and the gums have stabilized into their final shape, the tissues stop undergoing significant changes. Taking the impression at this point captures the true anatomy and margins, yielding a more accurate fit. This aligns with the option describing gums that are healed and have settled into their final shape.

In contrast, imaging during active healing or right after extraction would yield unreliable margins due to ongoing tissue changes, which is why those earlier stages aren’t used for final impressions.