Periodontal disease may undergo a progression.Logical formLearned from16 sentences. Progression can be a name of a game.Logical formLearned from16 sentences. An end may pertain-to a progression.Logical formLearned from16 sentences. A request may be submitted after a progression of events.Logical formLearned from16 sentences. A progression can be stately.Logical formLearned from16 sentences. Age-related degeneration may undergo a progression.Logical formLearned from16 sentences. A step can be in a progression.Logical formLearned from16 sentences. A curve may undergo a progression.Logical formLearned from16 sentences. A progression may pertain-to a game.Logical formLearned from16 sentences. A (chord progression) may pertain-to a song.Logical formLearned from15 sentences. Progression can be to a round.Logical formLearned from15 sentences. A series can be constituted-of-or-filled-with progressions.Logical formLearned from15 sentences. Progression can be in patients.Logical formLearned from15 sentences. Information may undergo a progression.Logical formLearned from15 sentences. A progression can be dynamic.Logical formLearned from15 sentences.