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Table 2 Velopharyngeal incompetence articulation screening test results

From: Speech-aid prosthesis in velopharyngeal incompetency patient with cleft palate: can speech aids be applicable for adult patient?

  Pre-Op Post-Op
Perfect articulation rate 59.1% (13/25) 68.2% (15/25)
Error patterns Distortion 75.0% Distortion 62.5%
Substitution 25.0% Substitution 37.5%
  1. Op operative