The effect of platelet-rich plasma and laser in reducing post-operative complications after lower third molar extraction

ISRCTN ISRCTN17334706
DOI https://doi.org/10.1186/ISRCTN17334706
Secondary identifying numbers 163
Submission date
02/04/2024
Registration date
10/04/2024
Last edited
10/04/2024
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Oral Health
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data
Record updated in last year

Plain English summary of protocol

Background and study aims
Extraction of impacted third molars is one of the most common surgical procedures in dental clinics, often accompanied by post-operative complications such as pain, discomfort, swelling (edema) and a locked jaw (trismus). Many surgeons tend to prescribe painkillers, non-steroidal anti-inflammatory drugs and corticosteroids after surgery and sometimes these medications have side effects. Many prior studies have sought alternative approaches to reduce these complications such as platelet-rich plasma (PRP), platelet-rich fibrin (PRF), low-level laser (light) therapy (LLLT) and aloe vera gel. This study aims to investigate the combined effect of PRP and LLLT in reducing post-operative complications and evaluate the post-surgical healing process.

Who can participate?
Healthy adults diagnosed with impacted lower third molars indicated for extraction

What does the study involve?
This study compares the effectiveness of PRP combined with a diode laser, PRP alone, or no treatment (as a control group) in reducing post-operative complications following the extraction of lower third molars. It will involve 22 patients aged between 18 and 26 years old, all diagnosed with impacted lower third molars requiring surgical extraction on both sides. Patients will be selected based on specific inclusion and exclusion criteria.

What are the possible benefits and risks of participating?
PRP and LLLT have proven effects on reducing pain and accelerating the healing process.

The surgical procedure may be accompanied by pain, edema, bleeding after surgery, and discomfort. As for PRP preparation, there is a potential risk when collecting blood such as bruising after drawing blood and patient dizziness.

Where is the study run from?
Oral and Maxillofacial Surgery Hospital, Faculty of Dentistry, Damascus University, Syria

When is the study starting and how long is it expected to run for?
April 2021 to May 2023

Who is the funding of the study?
Damascus university

Who is the main contact?
Dr Rita Alsaleh, rorialsaleh@gmail.com, rita1995.alsaleh@damascusuniversity.edu.sy

Contact information

Dr Rita Alsaleh
Public, Scientific, Principal Investigator

Qudsaya
Damascus
4671
Syria

Phone +963934899782
Email rita1995.alsaleh@damascusuniversity.edu.sy
Dr Rita Alsaleh
Public

Qudsaya
Damascus
4671
Syria

Phone +963934899782
Email rorialsaleh@gmail.com

Study information

Study designSplit-mouth randomized controlled trial
Primary study designInterventional
Secondary study designRandomised controlled trial
Study setting(s)Hospital, University/medical school/dental school
Study typeTreatment
Participant information sheet 45269_PIS_PainScales.pdf
Scientific titleReducing post-operative complications after impacted lower third molars surgical extraction using platelet-rich plasma (PRP) in combination with diode laser (660 nm). Randomized Controlled Trial (RCT)
Study objectivesH0: there are no significant differences among the studied groups in reducing post-operative complications of lower third molars extraction in the studied indices.
Ethics approval(s)

Approved 27/09/2021, Ethics Scientific Committee at Damascus University (Baramkeh, Damascus, 4671, Syria; +963(11)33923223; ap.srd@damascusuniversity.edu.sy), ref: 2255

Health condition(s) or problem(s) studiedImpacted lower third molars
InterventionThis study is designed to compare the efficacy of platelet-rich plasma (PRP) in combination with diode laser, PRP alone, and a control group (no additional procedure as a control group) in minimizing post-operative complications after surgical extraction of lower third molars. A total of 22 patients, aged between 18 and 26 years old, diagnosed with impacted lower third molars requiring bilateral surgical extraction, will be selected to participate based on strict inclusion and exclusion criteria.

Methodology:
The randomization method uses sealed envelopes to allocate participants into one of the three intervention groups: PRP with diode laser, PRP alone, or control group. The study comprises three appointments for each participant:

First Appointment: During this initial visit, blood is drawn from the participants for PRP preparation, and the surgical extraction procedure is performed.

Second Appointment: Scheduled for the assessment of post-operative edema and trismus, this appointment allows for the immediate monitoring of the effects of the interventions.

Third Appointment: Dedicated to evaluating the healing process post-extraction, this appointment facilitates the assessment of the long-term outcomes of the interventions.
Intervention typeProcedure/Surgery
Primary outcome measurePain measured using a Visual Analogue Scale (VAS) on the procedure day and daily on the first 7 days following the procedure
Secondary outcome measures1. Edema measured using the tape method (the distance from the corner of the mouth to the attachment of the earlobe following the bulge of the cheek and the distance from the outer canthus of the eye to the angle of the mandible) at baseline, 3 days, and 7 days following the procedure
2. Healing index measured using the Gingival Healing Index (GHI) on one timepoint 7 days post-operatively
3. Trismus measured using the Maximum Interincisal Opening (MOI) at baseline, 3 days, and 7 days following the procedure
Overall study start date21/04/2021
Completion date02/05/2023

Eligibility

Participant type(s)Patient
Age groupAdult
Lower age limit18 Years
Upper age limit30 Years
SexBoth
Target number of participants20
Total final enrolment22
Key inclusion criteria1. Aged between 18-30 years old
2. Require extraction of impacted lower third molars (asymptomatic, bilateral and indicated extractions (poorly placed, orthodontic reasons) and symmetrical (the angle, and difficulty of extraction))
3. Healthy patients that have no systemic diseases that may affect the healing process
4. The surgical condition should be as similar as possible among the group (e.g. extraction time)
5. Able to give consent to enroll in the study
Key exclusion criteria1. Pre-existing medical condition that is considered a surgery contraindication
2. Pregnancy and lactation
3. Allergies to some medication (Paracetamol, Chlorhexidine)
4. Severe TMJ disorders
5. Chronic or neurological pain, and psychological disorders
6. Light sensitivity
Date of first enrolment03/04/2022
Date of final enrolment25/04/2023

Locations

Countries of recruitment

  • Syria

Study participating centre

Oral and Maxillofacial Surgery Hospital, Faculty of Dentistry, Damascus University
Mazzeh Highway
Damascus
4671
Syria

Sponsor information

Damascus University
University/education

Baramkeh
Damascus
4671
Syria

Phone +963 (11) 339 23223
Email info@damascusuniversity.edu.sy
Website https://www.damascusuniversity.edu.sy/
ROR logo "ROR" https://ror.org/03m098d13

Funders

Funder type

University/education

Damascus University
Government organisation / Universities (academic only)
Alternative name(s)
University of Damascus, جَامِعَةُ دِمَشْقَ, DU
Location
Syria

Results and Publications

Intention to publish date01/06/2024
Individual participant data (IPD) Intention to shareYes
IPD sharing plan summaryAvailable on request
Publication and dissemination planPlanned publication in a high-impact peer-review journal
IPD sharing planThe datasets generated during and/or analyzed during the current study will be available upon request from Dr Rita Alsaleh, rorialsaleh@gmail.com, rita1995.alsaleh@damascusuniversity.edu.sy.

The type of data that will be shared includes the patient information sheet, and any data except any personal information such as demographic details, or any photo that can determine the patient’s identity. The timing of availability is after publication in a high-impact journal. Consent from participants was required and was obtained from each patient. Any personal data will be anonymized.

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?
Participant information sheet 10/04/2024 No Yes
Participant information sheet 10/04/2024 No Yes
Participant information sheet 10/04/2024 No Yes

Additional files

45269_PIS_PainScales.pdf
45269_PIS_InformedConsent.pdf
45269_PIS.pdf

Editorial Notes

03/04/2024: Study's existence confirmed by Damascus University.