Evaluation of Photodynamic Therapy in Pericoronitis

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

34 participants

Study Classification

INTERVENTIONAL

Study Start Date

2019-12-01

Study Completion Date

2024-06-15

Brief Summary

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In order to reduce the chances of systemic dissemination of the infection and the use of antibiotics, it is mandatory to test effective treatments in the initial phase of pericoronitis aiming to avoid the evolution of the infectious disease. Photodynamic therapy (PDT) is an interesting alternative because it is an effective antimicrobial treatment that is easy to perform and does not cause bacterial resistance. The aim of this study is to evaluate the effectiveness of photodynamic therapy (PDT) with methylene blue in a surfactant vehicle in pericoronitis in the initial phase in healthy youngsters through microbiological, clinical and immunoregulatory response. The impact of pericoronitis on oral health-related quality of life (OHRQoL) of these patients will also be evaluated. 34 healthy young patients with pericoronitis will be evaluated. Microbiological analysis will be performed by RT-PCR for the bacterium Tannarella forsithia (Tf).Gingival crevicular fluid will be collected to evaluate TNF-α, IL1-β, IL-6 and IL-8 and IL-10 by the Luminex assay. The variables will be pain (visual analogue scale), edema, trismus (digital caliper) and oral health-related quality of life (OHRQoL) will also be evaluated through the OHIP-14 questionnaire. The variables will be assessed at T1 (baseline)and T2 (4th day after PDT).

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Detailed Description

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Pericoronitis is a common disease in the eruption phase of third molars, sometimes debilitating, with an impact on the quality of life. The most indicated treatment in the initial phase is the irrigation for cleanliness of the region. If there is no adequate treatment at this stage, there may be evolution of the infectious condition so that antibiotic therapy is indicated. In order to reduce the chances of systemic dissemination of the infection and the use of antibiotics, it is mandatory to test effective treatments in the initial phase of pericoronitis aiming to avoid the evolution of the infectious disease. Photodynamic therapy (PDT) is an interesting alternative because it is an effective antimicrobial treatment that is easy to perform and does not cause bacterial resistance. The methylene blue used in PDT has been studied in a surfactant vehicle, which optimizes the formation of monomers increasing its antimicrobial action. Objective: The aim of this study is to evaluate the effectiveness of photodynamic therapy (PDT) with methylene blue in an surfactant vehicle in pericoronitis in the initial phase in healthy youngsters through microbiological, clinical and immunoregulatory response. The impact of pericoronitis on oral health-related quality of life (OHRQoL) of these patients will also be evaluated. Method: In this randomized, controlled, double-blind clinical bioequivalence trial, 34 healthy young patients with pericoronitis will be evaluated. Patients will be randomized into the positive control group (G1) (n = 17): irrigation with sterile saline and photodynamic therapy (conventional methylene blue at 0.005% concentration and irradiation with low intensity laser λ = 660 nm, 9J per point and radiant exposure of 318 J / cm2), and the experimental group (G2) (n = 17): treatment identical to G1, however methylene blue will be delivered in a new formulation for oral use. Microbiological analysis will be performed by RT-PCR for the bacterium Tannerella forsithia (Tf).Non-stimulated saliva will be collected to evaluate TNF-α, IL1-β, IL-6 and IL-8 and IL-10 by Luminex assay. The pain (visual analogue scale), edema and buccal opening (digital caliper) and oral health-related quality of life (OHRQoL) will also be evaluated through the OHIP-14 questionnaire. The variables will be evaluated in T1 (baseline), and T2 (4th day after PDT).

Conditions

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Pericoronitis

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Endpoint Classification: Bio-equivalence Study Enrollment: 34 \[Anticipated\]

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor)

Study Groups

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experimental group

G1 - 17 patients Photodynamic therapy with convention methylene blue as photosesintizer irrigation /sterile saline Conventional methylene blue as photosensitizer -Irrigation with 0,04mL of photosensitizer (0,005%) inside the gingival sulcus around the third molar with pericoronarite for 3 minutes Photodynamic therapy -Device irradiation with low intensity laser λ = 660 nm, 9J per point and radiant 90 seconds

Group Type EXPERIMENTAL