HomeOral medicine Treacher collins syndrome characterized by.. MALAR BONE NOT WELL FORMED OR ABSENCE Treacher collins syndrome characterized by:PROGNTHESIA OF MANDIBLE.NO EAR LOSS.UPWARD SLUTING OF EYE.MALAR BONE NOT WELL FORMED OR ABSENCE. *** Facebook Twitter Share:Treacher collins syndrome characterized by.. MALAR BONE NOT WELL FORMED OR ABSENCE Facebook Twitter WhatsApp Pinterest LinkedIn Reddit Tumblr Telegram Email