Sonic instruments have been used within the field of dentistry for many decades, principally for scaling and root surface debridement. Their use for cavity preparation has been revisited recently. The system was initially marketed for proximal lesions with matching size preparation tips and ceramic inserts. This type of approach proved to be destructive to the tooth tissue. The newer sonic handpieces allow for interchangeable tips and multiple applications, such as minimally invasive caries therapy, cavity preparations, endodontics, periodontics, luting procedures and prophylaxis.
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