Refinements of the tongue flap for closure of difficult palatal fistulas.

: The posteriorly based tongue flap can be very useful to close difficult palatal fistulas, especially because the palatal sling prevents dehiscence of the tongue flap. However, special techniques may need to be employed with very large palatal fistulas or severely scarred palates. This technique has been used successfully in 5 patients. A detailed case report is presented, for which refinements of the tongue flap technique was required.