The Prophy-Jet was evaluated for its effectiveness in removing plaque and stain from teeth and on its effects on the marginal gingiva. Using a randomized split-mouth design, half the mouth was treated with the Prophy-Jet and the contralateral side with a rubber cup and prophylaxis paste. The results indicated that the Prophy-Jet removes tooth plaque and stain as well as the rubber cup and prophylaxis paste method, and does so in less time. It was also found that there was some immediate soft tissue trauma following both treatment modalities, with a mean Trauma Index score of 0.23 not equal to 0.16 for the rubber cup and prophylaxis paste and 0.75 not equal to 0.37 for the Prophy-Jet. Within 6 days, the trauma index scores were not significantly different. Similar results were found for marginal gingival redness and bleeding on probing. The Prophy-Jet is an excellent alternative instrument for removal of tooth stain and dental plaque.

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Scaling and root planing and subgingival minocycline in experimental sites took little time (<5 minutes/appointment), but resulted in more probing depth reduction and less frequent bone height loss than conventional periodontal maintenance.