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What is Abbe-Estlander flap is used in repair of: and explain in detail?
The lip-switch (Abbe-Estlander) flap or a stair-step advancement technique can be used to repair defects of either the upper or lower lip. Microstomia is a potential complication with these types of lip reconstruction. Ref: Schwaz's principle of surgery 9th edition, chapter 18