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اطلعو عليهن لعل يجي منهن شي

All the following are compatible with the definition of obstructive sleep apnea EXCEPT A. repeated episodes of prolonged upper airway obstruction B. apnea C. ≥30% reduction in airflow D. ≥ 30% O2 desaturation E. disrupted sleep

The first permanent tooth to erupt is A. central incisor at 6 yr 13 B. molar at 6 yr C. premolar at 6-7 yr D. lower canine at 6-7 yr E. upper canine at 6-7 yr