Matthew presents with spontaneous gingival bleeding, loose teeth, and impaired intraoral wound healing. Matthew may have:

Periodontitis can be reversed

The two early signs of gingivitis are:

There is no significant difference in the cleansing abilities between waxed and unwaxed floss.

Damage caused by ____________________ is usually not reversible with primary preventive measures.

When is S. mutans generally not found in the oral cavity?

All periodontitis is preceded by gingivitis, but not all gingivitis progresses to periodontitis.

Acquired pellicle begins to form ____________________ after displacement.

When determining the appropriate size of an interproximal brush, the diameter of the bristles should be ___________ than the space to be cleaned.

The progressive atrophy and weakness of skeletal muscles is characteristic of which condition?