Dentist. The dental office of Dr. Mohsen F. Assaad & Associates in Toronto provides gentle and effective dental care. We offer a variety of treatment options for your oral health issues. Whether you need teeth whitening for a whiter, brighter smile or composite fillings for your cavities, Dr. Assaad and his dedicated staff have got you covered. Please see our website to browse through our smile gallery or call us to schedule your dentist appointment.