| 单词 | periodontics |
| 例句 | He was chairman of the department of periodontics and endodontics, and director of the graduate periodontics program at the Georgetown dental school from 1962 until the dental school closed in 1990. Community deaths 2018-09-02T04:00:00Z For 15 years, he was director of the North American Periodontal Study Club, which supports continued study in the field of periodontics. Washington-area obituaries of note 2015-07-28T04:00:00Z Saint Louis University closed its main dental school decades earlier, though it does host specialty dental education, including orthodontics and periodontics. Dental students to staff new clinic in St. Louis 2015-06-13T04:00:00Z Michael P. Stiglitz, 72, a Washington dentist for 41 years who specialized in periodontics, died July 10 at a hospice in the District. Washington-area obituaries of note 2015-07-28T04:00:00Z He opened his Washington practice in periodontics in 1974 and closed his office this past spring. Washington-area obituaries of note 2015-07-28T04:00:00Z |
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