On behalf of Prince Khalid Al-Faisal, Governor of Makkah Region, Prince Mishaal bin Majed bin Abdulaziz, Governor of Jeddah, will open here on Monday the 3rd World Congress of Dentistry, to be organized by the Faculty of Dentistry of King Abdulaziz University. The University\'s Rector, Dr. Osama Tayyib has expressed his thanks to and appreciation of Prince Khalid Al-Faisal for patronizing the Congress, and Prince Mishaal bin Majed for supporting its activities. He said 170 scientific working papers will be discussed at the Congress that will contribute to the service of dentistry in the Kingdom of Saudi Arabia and the rest of the world.