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Applying nano-HA in addition to scaling and root planing increases clinical attachment gain

Journal of Periodontal & Implant Science 2022³â 52±Ç 2È£ p.116 ~ 126
Uysal Ozge, Ustaoglu Gulbahar, Behcet Mustafa, Albayrak Onder, Tunal©¥ Mustafa,
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 ( Uysal Ozge ) - Bolu Abant Izzet Baysal University Faculty of Dentistry Department of Periodontology
 ( Ustaoglu Gulbahar ) - Bolu Abant Izzet Baysal University Faculty of Dentistry Department of Periodontology
 ( Behcet Mustafa ) - Bolu Abant Izzet Baysal University Faculty of Medicine Department of Medical Microbiology
 ( Albayrak Onder ) - Mersin University Department of Mechanical Engineering
 ( Tunal©¥ Mustafa ) - Canakkale Onsekiz Mart University Department of Periodontology

Abstract


Purpose: This study evaluated the efficacy of treating periodontitis using subgingival nanohydroxyapatite powder with an air abrasion device (NHAPA) combined with scaling and root planing (SRP).

Methods: A total of 28 patients with stage III periodontitis (grade B) were included in this study, although 1 was lost during follow-up and 3 used antibiotics. The patients were divided into a test group and a control group. All patients first received whole-mouth SRP using hand instruments, and a split-mouth approach was used for the second treatment. In the test group, the teeth were treated with NHAPA for 15 seconds at 70% power per pocket.
Subgingival plaque samples were obtained from the 2 deepest pockets at the test and control sites before treatment (baseline) and 3 months after treatment. The full-mouth plaque index (PI), gingival index (GI), papillary bleeding index (PBI), bleeding on probing (BOP), probing depth (PD) and clinical attachment level (CAL) were recorded at baseline and at 1- and 3-month post-treatment. Real-time polymerase chain reaction was used to determine the colonisation of Treponema denticola (Td), Porphyromonas gingivalis (Pg), and Aggregatibacter actinomycetemcomitans in the subgingival plaque.

Results: From baseline to the first month, the test group showed significantly larger changes in BOP and CAL (43.705%¡¾27.495% and 1.160¡¾0.747 mm, respectively) than the control group (36.311%¡¾27.599% and 0.947¡¾0.635 mm, respectively). Periodontal parameters had improved in both groups at 3 months. The reductions of PI, GI, BOP, PD, and CAL in the test group at 3 months were greater and statistically significant. The total bacterial count and Td and Pg species had decreased significantly by the third month in both groups (P<0.05).

Conclusions: Applying NHAPA in addition to SRP improves clinical periodontal parameters more than SRP alone. Subgingival NHAPA may encourage clot adhesion to tooth surfaces by increasing surface wettability.

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Anaerobic bacteria; Hydroxyapatites; Periodontal debridement; Periodontitis; Real-time polymerase chain reaction

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