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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT03442166
Other study ID # Carlos
Secondary ID
Status Recruiting
Phase Phase 2
First received
Last updated
Start date September 1, 2018
Est. completion date December 31, 2019

Study information

Verified date October 2018
Source University of Nove de Julho
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

In dentistry, one of the most common surgical procedures is the removal of included third molars. This surgery generates great morbidity to patients for causing pain, edema and trismus due to surgical trauma. The use of photobiomodulation (PBM) (low-power laser or light emitting diode - LED) in the postoperative of these procedures has shown excellent results in the control of postoperative sequelae. The objective of the present study is to evaluate the effectiveness of PBM with LED in the control of pain, facial edema, trismus and quality of life resulting from the extraction of retained lower third molars. A randomized, double-blind, placebo-controlled clinical trial involving 34 adult patients, who search the Discipline of Buccomaxillofacial Surgery and Traumatology (CTBMF) II of FO-UFRGS for the removal of included lower third molars will be conducted. Before and after the surgeries, the facial and mouth opening measurements of all patients will be done. Immediately after the surgeries, the patients will be randomized by means of envelopes in two groups. In the LED group the patients will receive daily LED applications (intra oral with 660nm and extra oral with 850nm) from the immediate postoperative to 7 days after the surgical procedure. In the control group the patients will be treated in the same way as in the LED group, however, the person in charge of the application will simulate intraoral and extraoral irradiation with the LED kept off. Pain (EVA and NRS-101), postoperative edema, trismus, temperature, dysphagia and hematomas, as well as the impact of the surgical procedure on patients' quality of life will be evaluated after 1, 2, 5 and 7 days. For the analysis of the oral health impact profile (OHIP-14 Questionnaire) and anxiety analysis (Beck anxiety inventory -BAI) the questionnaires will be applied preoperatively and 7 days after treatment. Initial descriptive analyzes will be performed considering all variables measured in the study, both quantitative (mean and standard deviation) and qualitative (frequencies and percentages). Later, the appropriate statistical tests will be applied for each specific analysis. In all tests, the significance level of 5% probability or the corresponding p-value will be adopted. All analyzes will be performed using the statistical software SAS for Windows, version 9.1.3.


Recruitment information / eligibility

Status Recruiting
Enrollment 34
Est. completion date December 31, 2019
Est. primary completion date September 30, 2019
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 35 Years
Eligibility Inclusion Criteria:

- Patients who need surgical removal of retained lower third molars;

- Patients who agree to participate in the study after reading and signing the Term of Consent for Participation in Clinical Research.

- Patients with indication for extraction of lower third molars (recurrent infections, bad position, orthodontic indication) or written professional indication (ASA I - negative medical history), systolic blood pressure less than 140mmHg, and diastolic blood pressure lower than 90mmHg and heart rate values of 70 ± 20 beats / minute and have the upper and lower central incisor teeth.

Exclusion Criteria:

- Patients who have systemic diseases, chronic pain or neurological and psychiatric disorders;

- Claim to be smokers;

- Are using anti-inflammatories, analgesics or bisphosphonates in the last 15 days;

- Present active pericoronaritis;

- Are pregnant;

- are breastfeeding;

- Severe temporomandibular disorders

- Have photo sensitivity history

- Are allergic to any drug used in the research (paracetamol, chlorhexidine 2%)

- Patients presenting radiolucent images associated with the teeth to be extracted

- Patients who present any type of complication during surgery (hemorrhage, operative difficulty, time greater than 90 minutes of surgery), as these cases are not in the standard expected for third molar surgeries. In this case the central action analgesic will be prescribed. These data will not be part of the statistical analysis but will be described and discussed as well as possible adverse effects.

Study Design


Related Conditions & MeSH terms


Intervention

Radiation:
LED group
The patients (n=17) will receive daily intra and extra oral LED applications from the immediate postoperative period up to 7 days after the surgical procedure. The LED irradiation will be performed in two areas, one intra and one extra oral. The LED to be used in the intraoral site will be red, 660+/-20nm wavelength, 5 mW power, 2.7J/cm2 energy density for 7 min, 2J energy per point, knowing that the 6 irradiated spots will have 12J in total. In the extra oral site the infra-red LED will be used, 850+/-20nm wavelength, power of 5mW, 3.8J/cm2 of energy density for 10 min, 3J of energy per point, knowing that 36 will be irradiated, so we will have 108J in total.
Sham group
Patients will be treated in the same way as the LED group. The person in charge of the application will simulate the intraoral and extraoral irradiation by positioning the LED in the same locations described for the LED group, but the equipment will be kept off. So that the patient does not identify the sound of activation of the device (beep), it will be recorded, and connected at the time of application.

Locations

Country Name City State
Brazil UniNove São Paulo SP

Sponsors (1)

Lead Sponsor Collaborator
University of Nove de Julho

Country where clinical trial is conducted

Brazil, 

Outcome

Type Measure Description Time frame Safety issue
Primary Changes in postoperative pain A Visual Analog Scale (VAS) will be printed on the patient evaluation form and the subjects will be instructed by the evaluator to mark a point in the line of 10 cm, indicating the intensity of their pain after 1,2, 5 and 7 days of the surgeries. After 1, 2, 5 and 7 days of surgeries.
Secondary Changes of postoperative edema The evaluator will measure the distances between the corner of the eye and angle of the mandible, between the tragus and labial commissure and between the tragus and pogonium. After 1, 2, 5 and 7 days of surgeries.
Secondary Change of trismus The evaluator will measure the opening of the mouth using a pachymeter in each patient 1, 2, 5 and 7 days after surgery. After 1, 2, 5 and 7 days of surgeries.
Secondary Changes in quality of life The Oral Health Impact Profile (OHIP-14) is a simplified form of the original OHIP questionnaire that is used to assess the impact of oral health on subjects' quality of life. The items are distributed among the following subscales: functional limitation, pain, psychological discomfort, physical disability, psychological deficiency, social incapacity and disability. The questionnaire will be applied by the evaluator. Before and 7 days after surgery.
Secondary Changes in postoperative pain (NRS-10 scale) For the NRS-101 scale, the evaluators will ask patients to assign a number between 0 (no pain) and 100 (worst possible pain) that best represents the pain they are currently experiencing after 1, 2, 5 and 7 days of surgeries. After 1, 2, 5 and 7 days of surgeries.
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