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Evaluation of Low-level Laser at Auriculotherapy Points to Reduce Postoperative Pain in Inferior Third Molar Surgery

12 januari 2016 uppdaterad av: Anna Carolina Ratto Tempestini Horliana, University of Nove de Julho

Effectiveness of Low Level Laser at the Auriculotherapy Points, in Reducing Postoperative Pain in Third Molar Surgery

The association between low level laser and auricular acupuncture can be an alternative when conventional drugs are contraindicated or to reduce the quantity of these postoperative medications. The objective of this study is to evaluate the efficiency of low level laser at auriculotherapy points in reducing postoperative pain in lower third molar surgery. Eighty third molars surgeries will be performed in 40 healthy patients by a split-mouth design. Immediately after surgery, each side of the patient's mouth will be randomly treated with different regimens in a double-blind design: low level laser in auricular acupuncture points or simulation of its use. This treatment will be performed at 24 and 48 hours after surgery. The primary variable is the post-operative pain. The secondary variables are trismus, edema and local temperature. They will be assessed at baseline, 24 hours, 48 hours and seven days after surgery.The blood samples for analysis of systemic inflammatory cytokines (TNF-α, interleukin 1, interleukin 6 and interleukin 8) will be assessed at baseline and 24 hours after surgery.

Studieöversikt

Status

Okänd

Betingelser

Intervention / Behandling

Detaljerad beskrivning

Third molar surgery is the most common surgical procedure in dentistry. A comfortable, fast postoperative return to daily activities has increased the need to control inflammation and its signs and symptoms, such as pain and edema. Anti-inflammatories and analgesics have been used for this purpose, but they are not exempt from adverse effects, such as allergies and chronic gastritis, not to mention the medicine costs. The association between low level laser and auricular acupuncture can be an alternative when conventional drugs are contraindicated or to reduce the quantity of these postoperative medications. Among the advantages, we can mention the low risk of side effects, low cost and simplicity of application. The objective of this study is to evaluate the efficiency of low level laser at auriculotherapy points in reducing postoperative pain in lower third molar surgery. Eighty bilateral, symmetrical lower third molars surgeries will be performed in 40 healthy patients. Each patient will be his or her own control, through a split-mouth technique. Immediately after surgery, each side of the patient's mouth will be randomly treated with different regimens in a double-blind design: low level laser in auricular acupuncture points or simulation of its use (contralateral side). This regimen will be repeated at 24 and 48 hours after surgery. All patients will receive the same medication (paracetamol) and will be oriented to take it only if they have pain. Neither the surgeon nor the patients know the assigned treatment. The primary variable is the post-operative pain assessed by visual analog scale, and the secondary variables are trismus, edema, local temperature. Dysphagia and presence of infection (systemic temperature, lymphadenopathy) will also be evaluated. These variables will be assessed at baseline, 24 hours, 48 hours and seven days after surgery. All adverse effects will be recorded. The blood samples for analysis of systemic inflammatory cytokines (TNF-α, interleukin 1, interleukin 6 and interleukin 8) will be assessed at baseline and 24 hours after surgery.

Studietyp

Interventionell

Inskrivning (Förväntat)

80

Fas

  • Fas 4

Kontakter och platser

Det här avsnittet innehåller kontaktuppgifter för dem som genomför studien och information om var denna studie genomförs.

Studieorter

  • Brasilien
      • São Paulo, Brasilien, 01504-001
        • Rekrytering
        • Nove de Julho University (Uninove)
        • Kontakt:
          • Anna Carolina RT Horliana, PhD
          • Telefonnummer: +5511 3385-9197
          • E-post: annacrth@gmail.com

Deltagandekriterier

Forskare letar efter personer som passar en viss beskrivning, så kallade behörighetskriterier. Några exempel på dessa kriterier är en persons allmänna hälsotillstånd eller tidigare behandlingar.

Urvalskriterier

Åldrar som är berättigade till studier

18 år till 28 år (Vuxen)

Tar emot friska volontärer

Ja

Kön som är behöriga för studier

Allt

Beskrivning

Inclusion Criteria:

  • healthy patients (negative medical history)
  • teeth in position II B according classification of Pell and Gregory
  • third molar with extraction indication (recurrent infections, poor position, orthodontic indication) with professional statement in writing.

Exclusion Criteria:

  • allergic to any drug used in the research (e.g.paracetamol)
  • pregnant or breastfeeding women
  • smokers
  • patients submitted to radiotherapy in the head and neck, systemic or local infection (e.g., pericoronitis or periodontal abscess)
  • patients with injuries or radiolucent images associated with the third molar
  • patients who have used anti-inflammatory drugs in the last three months
  • drug users
  • patients who present any complications during surgery (e.g., bleeding, surgical difficulty, surgery longer than 90 minutes).

Studieplan

Det här avsnittet ger detaljer om studieplanen, inklusive hur studien är utformad och vad studien mäter.

Hur är studien utformad?

Designdetaljer

  • Primärt syfte: Behandling
  • Tilldelning: Randomiserad
  • Interventionsmodell: Parallellt uppdrag
  • Maskning: Fyrdubbla

Vapen och interventioner

Deltagargrupp / Arm
Intervention / Behandling
Experimentell: G1- experimental active comparator group
G1 - (Experimental) 40 third molars surgeries will be performed in a conventional manner. At the end of surgery low level laser in auricular acupuncture points will be applied for prevention of inflammation and pain in a split-mouth design.
Enhet: low level laser in auricular acupuncture points
40 third molars surgeries will be performed in a conventional manner. At the end of surgery, low level laser will be applied at auricular points for prevention of inflammation and pain in the immediate post-operative period (baseline).The operator will mark the points that will be irradiated on the outer atrium of the patient with red gel pen to avoid interference with red laser (λ = 660 nm). The low level laser points will be irradiated in the same operated side.
Placebo-jämförare: G2- control group
G2 - (Control) 40 third molars surgeries will be performed in the conventional manner, identically to the G1. At the end of surgery low level laser device off in auricular acupuncture points will be applied. The patient will receive low level laser with a protection of lead in the laser nozzle, in order to block the passage of light, in the same auricular points used in G1, with split-mouth design.
Enhet: low level laser device off in auricular acupuncture points
40 surgeries will be performed in the conventional manner, identically to the G1. The patient will receive low level laser with a protection of lead in the laser nozzle, in order to block the passage of light, in the same auricular points used in G1.

Vad mäter studien?

Primära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Change in of post-operative pain by applying a visual analog scale
Tidsram: baseline
The pain will be assessed by applying a visual analog scale, consisting of a 100-mm line numbered in centimeters, with two closed ends. One end is labeled "0" and the other "100", meaning no pain and terrible pain, respectively. Each patient will be instructed to mark a vertical line with the point that best matches the intensity of pain during the evaluation. Instructions on marking will always be given to the patient by the same operator.
baseline
Change in of post-operative pain by applying a visual analog scale
Tidsram: Postoperative period: 24 hours after surgery
The pain will be assessed by applying a visual analog scale, consisting of a 100-mm line numbered in centimeters, with two closed ends. One end is labeled "0" and the other "100", meaning no pain and terrible pain, respectively. Each patient will be instructed to mark a vertical line with the point that best matches the intensity of pain during the evaluation. Instructions on marking will always be given to the patient by the same operator.
Postoperative period: 24 hours after surgery
Change in of post-operative pain by applying a visual analog scale
Tidsram: Postoperative period: 48 hours after surgery
The pain will be assessed by applying a visual analog scale, consisting of a 100-mm line numbered in centimeters, with two closed ends. One end is labeled "0" and the other "100", meaning no pain and terrible pain, respectively. Each patient will be instructed to mark a vertical line with the point that best matches the intensity of pain during the evaluation. Instructions on marking will always be given to the patient by the same operator.
Postoperative period: 48 hours after surgery
Change in of post-operative pain by applying a visual analog scale
Tidsram: Postoperative period: 7 days after surgery
The pain will be assessed by applying a visual analog scale, consisting of a 100-mm line numbered in centimeters, with two closed ends. One end is labeled "0" and the other "100", meaning no pain and terrible pain, respectively. Each patient will be instructed to mark a vertical line with the point that best matches the intensity of pain during the evaluation. Instructions on marking will always be given to the patient by the same operator.
Postoperative period: 7 days after surgery

Sekundära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Changes in edema
Tidsram: baseline
The criteria for the determination of edema will follow pre-established measurements: (I) Corner of the eye to angle of the jaw (II) Tragus to the labial commissure and (III) Tragus to pogonion.
baseline
Changes in mouth opening assessed by the inter-incisor measurement
Tidsram: baseline
For evaluation of the presence of trismus the inter-incisor measurement (distance between the incisal edge of the maxillary central incisor and lower) will be used with a digital caliper. During clinical examination (one week before the surgery), the patient will be asked to perform his/her maximum mouth opening, which will be measured in millimeters.
baseline
Changes in local temperature
Tidsram: baseline
The local temperature will be measured in the mandibular angle region 2 cm above the lower jaw board (Safety 1st® model "No Touch Forehead", Columbus, USA).
baseline
Changes in edema
Tidsram: Postoperative period: 24 hours after surgery
The criteria for the determination of edema will follow pre-established measurements: (I) Corner of the eye to angle of the jaw (II) Tragus to the labial commissure and (III) Tragus to pogonion.
Postoperative period: 24 hours after surgery
Changes in mouth opening assessed by the inter-incisor measurement
Tidsram: Postoperative period: 24 hours after surgery
For evaluation of the presence of trismus the inter-incisor measurement (distance between the incisal edge of the maxillary central incisor and lower) will be used with a digital caliper. During clinical examination (one week before the surgery), the patient will be asked to perform his/her maximum mouth opening, which will be measured in millimeters.
Postoperative period: 24 hours after surgery
Changes in local temperature
Tidsram: Postoperative period: 24 hours after surgery
The local temperature will be measured in the mandibular angle region 2 cm above the lower jaw board (Safety 1st® model "No Touch Forehead", Columbus, USA).
Postoperative period: 24 hours after surgery
Changes in edema
Tidsram: Postoperative period: 48 hours after surgery
The criteria for the determination of edema will follow pre-established measurements: (I) Corner of the eye to angle of the jaw (II) Tragus to the labial commissure and (III) Tragus to pogonion.
Postoperative period: 48 hours after surgery
Changes in mouth opening assessed by the inter-incisor measurement
Tidsram: Postoperative period: 48 hours after surgery
For evaluation of the presence of trismus the inter-incisor measurement (distance between the incisal edge of the maxillary central incisor and lower) will be used with a digital caliper. During clinical examination (one week before the surgery), the patient will be asked to perform his/her maximum mouth opening, which will be measured in millimeters.
Postoperative period: 48 hours after surgery
Changes in local temperature
Tidsram: Postoperative period: 48 hours after surgery
The local temperature will be measured in the mandibular angle region 2 cm above the lower jaw board (Safety 1st® model "No Touch Forehead", Columbus, USA).
Postoperative period: 48 hours after surgery
Changes in edema
Tidsram: Postoperative period: 7 days after surgery
The criteria for the determination of edema will follow pre-established measurements: (I) Corner of the eye to angle of the jaw (II) Tragus to the labial commissure and (III) Tragus to pogonion.
Postoperative period: 7 days after surgery
Changes in mouth opening assessed by the inter-incisor measurement
Tidsram: Postoperative period: 7 days after surgery
For evaluation of the presence of trismus the inter-incisor measurement (distance between the incisal edge of the maxillary central incisor and lower) will be used with a digital caliper. During clinical examination (one week before the surgery), the patient will be asked to perform his/her maximum mouth opening, which will be measured in millimeters.
Postoperative period: 7 days after surgery
Changes in local temperature
Tidsram: Postoperative period: 7 days after surgery
The local temperature will be measured in the mandibular angle region 2 cm above the lower jaw board (Safety 1st® model "No Touch Forehead", Columbus, USA).
Postoperative period: 7 days after surgery

Andra resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Changes in systemic temperature
Tidsram: baseline
Fever (systemic) is an indicator of infection. Because in case of infection pain is usually worse, it may become a bias. The temperature will be measured using a digital thermometer (Safety 1st® model "No Touch Forehead", Columbus, USA).
baseline
Changes in dysphagia through a numerical scale
Tidsram: baseline
The assessment of dysphagia will be conducted through a numerical scale: 0 - indicates total absence of dysphagia; 1 - dysphagia for solid food; 2 - dysphagia for any food, liquid or solid.
baseline
Changes in systemic temperature
Tidsram: Postoperative period: 24 hours after surgery
Fever (systemic) is an indicator of infection. Because in case of infection pain is usually worse, it may become a bias. The temperature will be measured using a digital thermometer (Safety 1st® model "No Touch Forehead", Columbus, USA).
Postoperative period: 24 hours after surgery
Changes in dysphagia through a numerical scale
Tidsram: Postoperative period: 24 hours after surgery
The assessment of dysphagia will be conducted through a numerical scale: 0 - indicates total absence of dysphagia; 1 - dysphagia for solid food; 2 - dysphagia for any food, liquid or solid.
Postoperative period: 24 hours after surgery
Changes in systemic temperature
Tidsram: Postoperative period: 48 hours after surgery
Fever (systemic) is an indicator of infection. Because in case of infection pain is usually worse, it may become a bias. The temperature will be measured using a digital thermometer (Safety 1st® model "No Touch Forehead", Columbus, USA).
Postoperative period: 48 hours after surgery
Changes in dysphagia through a numerical scale
Tidsram: Postoperative period: 48 hours after surgery
The assessment of dysphagia will be conducted through a numerical scale: 0 - indicates total absence of dysphagia; 1 - dysphagia for solid food; 2 - dysphagia for any food, liquid or solid.
Postoperative period: 48 hours after surgery
Changes in systemic temperature
Tidsram: Postoperative period: 7 days after surgery
Fever (systemic) is an indicator of infection. Because in case of infection pain is usually worse, it may become a bias. The temperature will be measured using a digital thermometer (Safety 1st® model "No Touch Forehead", Columbus, USA).
Postoperative period: 7 days after surgery
Changes in dysphagia through a numerical scale
Tidsram: Postoperative period: 7 days after surgery
The assessment of dysphagia will be conducted through a numerical scale: 0 - indicates total absence of dysphagia; 1 - dysphagia for solid food; 2 - dysphagia for any food, liquid or solid.
Postoperative period: 7 days after surgery

Samarbetspartners och utredare

Det är här du hittar personer och organisationer som är involverade i denna studie.

Sponsor

University of Nove de Julho

Utredare

  • Huvudutredare: Anna Carolina RT Horliana, phD, Nove de Julho University

Publikationer och användbara länkar

Den som ansvarar för att lägga in information om studien tillhandahåller frivilligt dessa publikationer. Dessa kan handla om allt som har med studien att göra.

Allmänna publikationer

Studieavstämningsdatum

Dessa datum spårar framstegen för inlämningar av studieposter och sammanfattande resultat till ClinicalTrials.gov. Studieposter och rapporterade resultat granskas av National Library of Medicine (NLM) för att säkerställa att de uppfyller specifika kvalitetskontrollstandarder innan de publiceras på den offentliga webbplatsen.

Studera stora datum

Studiestart

1 augusti 2015

Primärt slutförande (Förväntat)

1 november 2016

Avslutad studie (Förväntat)

1 augusti 2017

Studieregistreringsdatum

Först inskickad

11 januari 2016

Först inskickad som uppfyllde QC-kriterierna

12 januari 2016

Första postat (Uppskatta)

15 januari 2016

Uppdateringar av studier

Senaste uppdatering publicerad (Uppskatta)

15 januari 2016

Senaste inskickade uppdateringen som uppfyllde QC-kriterierna

12 januari 2016

Senast verifierad

1 januari 2016

Mer information

Termer relaterade till denna studie

Nyckelord

Ytterligare relevanta MeSH-villkor

Andra studie-ID-nummer

  • 1.100.869

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