7. (Poetry) the repetition of certain sounds or syllables in a verse line. 8. (Music, other) the quiet repetition of a musical phrase. 9. (Instruments) Also called: echo organ or echo stop a manual or stop on an organ that controls a set of quiet pipes that give the illusion of sounding at a distance. 10.
Though the most common reason for a loose tooth in adults is periodontal disease (gum disease); trauma, bite injury or tumor can also cause teeth mobility. Certain amount of tooth mobility is always present and it is natural, as the teeth are not fixed tight in their sockets.
When your dentist examines your occlusion, he or she is looking at how chewing forces, or those forces that occur when your teeth come together, could cause a breakdown of the teeth, gums, muscles and joints. Force is also exerted on your teeth when they come together during clenching or grinding.