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| | Dental Plaque |
 | | The bone does not hold the teeth in place, rather, the teeth are stabilized by connective tissue called periodontal ligaments that extend between tooth-roots and sockets. |
 | | The part of the tooth next to the sulcus is extremely difficult to keep free of bacterial plaque, and if not removed constantly, or left undisturbed for a few days, will form tartar - a rough, hard material that adheres to teeth. |
 | | Plaque and tartar build-up constitute the primary cause of periodontal disease. |
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