periodontist per·i·o·don·tist (pěr'ē-ə-dŏn'tĭst)
n.
A dentist who specializes in periodontics.
| a scrap or morsel of food left at a meal. |
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |