NCT07095556 · Medical University of South Carolina
Impact of Nd:YAG Laser Photobiostimulation on Healing of Gingiva
What this study is about
The intervention in this study is to determine whether multiple applications of photobiostimulation with Nd-YAG laser improve wound healing following tooth extraction and alveolar ridge preservation. Investigators plan to assess the impact of laser treatment on wound healing by measuring salivary biomarkers, gingival wound size and surveying for the use of pain reduction and patient satisfaction.
View original scientific description
The intervention in this study is to determine whether multiple applications of photobiostimulation with Nd-YAG laser improve wound healing following tooth extraction and alveolar ridge preservation. Investigators plan to assess the impact of laser treatment on wound healing by measuring salivary biomarkers, gingival wound size and surveying for the use of pain reduction and patient satisfaction.
Interventions
OTHER
Low-level laser therapy
The low-level laser applications will be made on the same day as the standard of care treatment (day 1), and then day 3, and day 7 by a study team member who is trained in the use of the laser device. The laser photobiostimulation will be applied using LightWalker® laser (FOTONA), with following settings, Nd:YAG laser 1064 nm, MSP modality (pulse duration), 0.5 W (power), 10 Hz (frequency), 1 min/ 1 cm2 spot using Genova handpiece from buccal, lingual, and occlusal aspects. The Genova handpiece will be placed 1 cm away from gingival tissue. Participants and operators will wear glasses to protect their eyes from laser beam in all sessions.
Primary outcome measures
Inflammatory markers in saliva
Time frame: From day of tooth extraction through day 7
The measurement of inflammatory and anti-inflammatory markers in saliva, IL-1β, IL-6, IL-8, IL-10, IL-12 and TNF secreted during the early stages of wound healing at day 3 and day 7.
Wound size dimensional changes
Time frame: From the day of tooth extraction to day 42
The comparison of dimensional changes in wound size between test and intervention groups. Digital gingival scans of the wound will be taken immediately after surgery and at days 3, 7, 14, and 42 for Aim 2.
Post-operative pain
Time frame: From post-operative day 3 to day 14
Recording of pain perception using a Visual Analog Scale at visits 3, 7, and 14 (maximum pain being 10 vs. no pain being 0), 2)
Who can participate
This study lists these criteria on ClinicalTrials.gov. A study coordinator reviews eligibility during screening — this page does not determine whether you qualify.
Inclusion criteria
- Participants who are ≥ 18 years old,
- Patients who are scheduled for the treatment of tooth extraction and alveolar ridge preservation (ARP)
- No contraindications for tooth extraction and alveolar ridge preservation based on electronic health records.
- Participants who can express the level of pain
- Participants who self-report "not pregnant"
Exclusion criteria
- Untreated periodontal disease
- Acute infection of the teeth
- Use of antibiotics within the last three months.
- Pregnant or lactating women
- Use of bisphosphonates based on EHR
- Alveolar bone defects occurred or were detected during tooth extraction
Where
- Charleston, South Carolina
Related conditions & keywords
Frequently asked questions
What is a clinical trial?
A clinical trial is a research study that tests new medical treatments, drugs, devices, or procedures to determine their safety and effectiveness. Trials are carefully designed and monitored to protect participants while advancing medical knowledge.
Is it safe to participate?
Clinical trials follow strict safety guidelines and ethical standards. Trials must be reviewed and approved, and participants are closely monitored by medical professionals throughout the study. You can withdraw at any time if you choose.
Will I be compensated?
Many clinical trials offer compensation for your time, travel expenses, and inconvenience. The specific compensation varies by study and will be discussed during the screening process. All study-related medical care is typically provided at no cost to participants.
Will I receive a placebo instead of treatment?
When effective treatment exists, participants typically receive either the standard treatment plus the study intervention, or the standard treatment plus placebo. You would not be denied effective care. Placebos are primarily used when no proven treatment is available, or in addition to standard care. Your trial consent form will clearly explain what treatments you may receive.
Can I leave a trial if I change my mind?
Absolutely. Participation in clinical trials is completely voluntary. You have the right to withdraw from the study at any time, for any reason, without penalty or loss of benefits to which you are otherwise entitled.
How long does a clinical trial last?
Trial duration varies widely depending on the study design and purpose. Some trials last just a few weeks, while others may continue for months or years. The study coordinator will provide specific timeline information during your screening call.
Data: ClinicalTrials.gov · synced Nov 12, 2025 · Source of record for eligibility and locations