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Study aim
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The effect of Sodium fluoride in the form of hydrogel in reducing root sensitivity after periodontal flap surgery
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Design
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This randomized clinical trial is a double-blinded study with a parallel design. This double-blinded study, randomized study, phases 2-3, will be conducted on 36 patients. A table of random numbers is used for randomization, and the participants are assigned to three intervention groups.
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Settings and conduct
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In this double-blind study, which will be conducted in the specialized periodontology department of Azad University of Isfahan, Khorasgan branch, the clinical caregiver and the patient are unaware of who will receive the new drug.
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Participants/Inclusion and exclusion criteria
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Inclusion criteria: Informed consent; Systemically healthy patients with severe chronic generalized periodontitis with probing depth ≥ 5 mm; Radiographic evidence includes supraosseous horizontal bone loss
Exclusion criteria:Patients currently undergoing DH treatment; Patients with chronic systemic diseases and nerves; pregnant women;breastfeeding mothers
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Intervention groups
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In the first intervention group, a small brush is dipped in sodium fluoride solution and used on the buccal surfaces of the root, then sutured. In the second intervention group, 3 cc of hydrogel form in the form of pluronic acid f127 to provide mechanical properties and easy exit from the syringe at 37 degrees, and Kropel p 934 to create a hydrogen bond with the tooth and sodium fluoride were used before suturing.
In the third intervention group, before suturing, a small brush is immersed in normal saline solution and used on the buccal surfaces of the roots.
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Main outcome variables
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Sensitivity to touch test, sensitivity to heat, sensitivity to cold