Surgical Procedures Flashcards
7 cards from real ABP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Surgical Procedures flashcards as text
LANAP (Laser-Assisted New Attachment Procedure) utilizes which laser wavelength?
Answer: Nd:YAG (1064 nm)
LANAP uses the Nd:YAG laser at 1064 nm, which selectively targets hemoglobin-rich diseased tissue and bacteria while sparing healthy tissue and cementum.
In the treatment of a Grade III furcation on a mandibular molar, which surgical approach is generally considered the most predictable?
Answer: Root resection
Root resection (with or without hemisection) offers the most predictable long-term outcome for Grade III furcation involvement when tooth retention is desired over extraction.
Which of the following systemic conditions most significantly impairs periodontal surgical wound healing?
Answer: Poorly controlled type 2 diabetes (HbA1c > 9%)
Poorly controlled diabetes impairs neutrophil function, collagen synthesis, and angiogenesis, substantially compromising periodontal wound healing and increasing infection risk.
Enamel matrix derivative (EMD/Emdogain) is derived from which source and primarily contains which protein?
Answer: Porcine fetal tooth buds; amelogenin
Emdogain is derived from porcine fetal enamel organ and consists predominantly of amelogenin proteins, which promote cementogenesis and periodontal regeneration.
When harvesting a connective tissue graft from the palate, the ideal harvest site is located between which landmarks?
Answer: Distal to the canine and mesial to the first molar, 3–5 mm from the gingival margin
The region distal to the canine to the first molar, 3–5 mm from the gingival margin, provides the thickest connective tissue while avoiding the greater palatine artery and rugae.
What is the primary rationale for performing crown lengthening surgery before placing a subgingival restoration margin?
Answer: To expose sound tooth structure and reestablish biologic width
Crown lengthening exposes sufficient supracrestal sound tooth structure and allows re-establishment of the biologic width, enabling proper restoration margin placement without tissue invasion.
Following periodontal flap surgery, re-epithelialization of the wound surface is typically completed within:
Answer: 5–7 days
Re-epithelialization of the surgical wound surface is generally complete within 5–7 days, though maturation of the underlying connective tissue continues for weeks.