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据美国牙周医师协会（ＡＡＰ）报道，全美牙周专科医生大约６０００人，有牙周病学专业的大学３０多所，每年约２５０位牙周病学专业的学生毕业。这些学生一般是在取得牙医学博士（ＤＤＳ）学位后，再进入牙周专科医生培训项目。学制一般三年。学费各学校不等，约每年＄５...
According to the American Association of Periodontal Physicians (AAP), there are about 6,000 specialists in periodontics in the United States and more than 30 universities in periodontology. About 250 students in Periodontology graduate each year. These students usually enter the periodontal specialist training program after obtaining a doctor’s degree in dentistry (DDS). The academic year is generally three years. Tuition fees vary from school to school, about $5 a year...