“…Nasal emission, nasal resonance, and speech intelligibility were rated on a 4 point severity rating scale using simple words, sentences, and spontaneous speech. The results showed that the delayed palatal closure group performed significantly poorer in articulation, phonation, oral resonance and speech intelligibility than early palatal closure group The study concluded that delayed closure of the hard palate significantly reduces the chance for normal speech development [6][7][8][9][10][11][12][13][14][15].…”