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CompletedNCT07886593Updated Oct 21, 2026

Diode Laser Added to Non-Surgical Treatment for Peri-Implant Mucositis

An interventional study of Conventional Non-Surgical Treatment and Adjunctive Diode Laser Therapy in Peri-implant Mucositis, sponsored by Universidad Europea de Valencia. Completed at 1 site in Spain. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2026-10-21.

Sponsored by Universidad Europea de Valencia · Not applicable, Interventional, and Treatment

From the registry’s dates

  • Registered 4 years 8 months after the study started (first participant enrolled Jan 2022, registered Oct 2026).
Updated Oct 21, 2026Newly registeredGo to Updates ↓
Phase
Not applicable
Study type
Interventional
Enrollment
206
Allocation
Randomized
Ages
18 Years and older
Sex
All
01

Where this study stands

Counted across the records on this site · 2026-11-12

Among 17 studies in Mucositis with a site in Spain — 3 open to participants now, 3 under way, none of them phase 3. Mucositis · Spain.

Enrollment
Largest of 12
206 · median 55
Started
2022
with 1 other
No phase
8 of 17
2 open now
Registered
17th of 17
by date
Lead sponsor
1 of 17
Universidad Europea de Valencia

Among the 17 studies in Mucositis with a site in Spain, this one has the largest enrollment of the 12 interventional ones that give a count, is one of 2 that started in 2022, is one of 8 with no phase, and was the 17th registered.

Mucositis

265 studies on the registry are indexed under Mucositis; 34 are open to participants now.

Browse Mucositis studies →

Open to participants now

3 of the 17 studies in Mucositis with a site in Spain are open now. Recruiting first, the newest first:

All 3 open studies →

A study can be open while its sites in Spain have not opened yet or have stopped. Only those recruiting at a site in Spain →

Who these studies take

Of the 21 Mucositis studies recruiting now, 13 (62%) set no upper age limit and 7 (33%) stop at 75 or younger; 1 take children under 18; 4 take healthy volunteers.

This study: 18 Years and older · all sexes · no healthy volunteers.

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02

Study summary

This randomized controlled clinical trial evaluated the clinical and biological effects of adjunctive diode laser therapy in the non-surgical treatment of peri-implant mucositis. Adult participants with peri-implant mucositis were allocated to receive either conventional non-surgical mechanical treatment alone or the same treatment combined with adjunctive diode laser therapy. Clinical outcomes included bleeding on probing, plaque index, and probing depth, assessed at baseline and during a 12-month follow-up. Biological outcomes included peri-implant crevicular fluid volume and matrix metalloproteinase-8 (MMP-8) levels, assessed at baseline and 4-6 weeks after treatment. The implant was considered the experimental unit.

Read the detailed description

Peri-implant mucositis is a biofilm-induced inflammatory condition affecting the soft tissues surrounding dental implants and is clinically characterized by bleeding on probing in the absence of progressive marginal bone loss. Mechanical biofilm removal and reinforcement of oral hygiene remain the basis of non-surgical treatment; however, complete resolution of inflammation is not always achieved. Diode laser therapy has been proposed as an adjunctive approach because of its potential antimicrobial and photobiomodulatory effects.

This prospective, parallel-group, randomized controlled clinical trial was conducted at the University Dental Clinic of Universidad Europea de Valencia, Spain. A total of 206 participants contributed 274 eligible implants. The implant was considered the experimental unit. Eligible implants were randomized in a 1:1 ratio to either a control group receiving conventional non-surgical treatment or a test group receiving the same conventional treatment plus adjunctive diode laser therapy. Randomization was performed using block randomization stratified by smoking status.

Conventional treatment consisted of mechanical debridement with Teflon curettes and an ultrasonic device with a Teflon tip, followed by irrigation of the peri-implant sulcus with 0.12% chlorhexidine and 0.05% cetylpyridinium chloride, together with individualized oral hygiene instructions. In the test group, adjunctive diode laser therapy was performed using an 810-nm diode laser.

Clinical outcomes included bleeding on probing, plaque index, and probing depth, assessed at baseline, 4-6 weeks, 3 months, 6 months, and 12 months. Biological outcomes included peri-implant crevicular fluid volume and MMP-8 levels, assessed at baseline and 4-6 weeks. Bleeding on probing was considered the primary outcome, while plaque index, probing depth, peri-implant crevicular fluid volume, and MMP-8 were considered secondary outcomes.

03

Conditions studied

  • Peri-implant Mucositis

Browse trials for

Keywords

  • Peri-implant mucositis
  • Diode laser
  • Non-surgical treatment
04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Adults with a diagnosis of peri-implant mucositis according to the 2017 World Workshop criteria.
  • Presence of at least one eligible dental implant with a tapered macrodesign, internal connection, and no polished collar.

Implant located in a posterior region of the dental arch (premolar or molar). Implant supporting a fixed screw-retained prosthetic restoration consisting of either a single crown or two splinted crowns supported by two implants without an intervening pontic.

Exclusion criteria

Exclusion Criteria:

  • Systemic diseases capable of altering the immune response.
  • Chronic use of non-steroidal anti-inflammatory drugs.
  • Systemic antibiotic therapy during the previous 6 months.
  • Non-surgical peri-implant treatment during the previous 6 months.
  • Surgical peri-implant treatment during the previous 12 months.
  • Previous treatment with bisphosphonates or calcium supplements.
  • History of radiotherapy to the head and neck region.
05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
206 participants (actual)

Study arms

  • Active comparator
    Control Group

    Participants received conventional non-surgical treatment for peri-implant mucositis, including mechanical debridement with Teflon curettes and an ultrasonic device with a Teflon tip, irrigation with 0.12% chlorhexidine and 0.05% cetylpyridinium chloride, and individualized oral hygiene instructions.

    Procedure: Conventional Non-Surgical Treatment

  • Experimental
    Diode Laser Group

    Participants received the same conventional non-surgical treatment as the control group plus adjunctive diode laser therapy using an 810-nm diode laser.

    Procedure: Conventional Non-Surgical Treatment · Device: Adjunctive Diode Laser Therapy

Interventions

  • ProcedureConventional Non-Surgical Treatment

    Mechanical debridement of the peri-implant surface was performed using Teflon curettes (Implant Deplaquers®, KerrHawe SA) and an ultrasonic device equipped with a PH1 Teflon tip (Acteon Satelec®). The peri-implant sulcus was subsequently irrigated with 0.12% chlorhexidine and 0.05% cetylpyridinium chloride. Participants also received individualized oral hygiene instructions based on the modified Bass technique and the use of interdental cleaning devices.

  • DeviceAdjunctive Diode Laser Therapy

    Adjunctive diode laser therapy was performed using a FOX III diode laser (A.R.C. Laser GmbH, Nürnberg, Germany) operating at a wavelength of 810 nm in pulsed mode with an output power of 1 W. For high-intensity photothermal therapy, a 300-µm optical fiber was introduced into the peri-implant sulcus parallel to the longitudinal axis of the implant and moved in an apico-coronal direction while progressing mesiodistally around the sulcus for 30 seconds. Subsequently, low-intensity photothermal therapy was applied using a 1-cm applicator placed in contact with the peri-implant margin for 30 seconds on the buccal and palatal/lingual surfaces.

    Also known as: FOX III Diode Laser, 810-nm Diode Laser

06

What researchers measure

Primary outcomes

  1. Change From Baseline in Bleeding on Probing (BOP)

    leeding on probing was assessed at six peri-implant sites using the modified peri-implant bleeding index described by Mombelli. Scores ranged from 0 to 3, with higher scores indicating greater bleeding severity. Changes from baseline were calculated for each follow-up visit relative to the baseline value.

    Time frame: Baseline, 4-6 weeks, 3 months, 6 months, and 12 months

Secondary outcomes

  1. Change From Baseline in Plaque Index (PI)

    Plaque index was assessed at six peri-implant sites according to the Silness and Löe criteria. Scores ranged from 0 to 3, with higher scores indicating greater plaque accumulation. Changes from baseline were evaluated at each follow-up visit.

    Time frame: Baseline, 4-6 weeks, 3 months, 6 months, and 12 months

  2. Change From Baseline in Probing Depth (PD)

    Probing depth was measured in millimeters at six peri-implant sites using a periodontal probe with an approximate probing force of 0.25 N. Probing depth was defined as the distance from the peri-implant mucosal margin to the base of the peri-implant sulcus. Changes from baseline were evaluated at each follow-up visit.

    Time frame: Baseline, 4-6 weeks, 3 months, 6 months, and 12 months

  3. Change From Baseline in Peri-Implant Crevicular Fluid (PICF) Volume

    Peri-implant crevicular fluid volume was measured using Periopaper strips and quantified with a Periotron 8010 device. Device readings were converted to fluid volume using a previously established calibration curve. Change from baseline was assessed after treatment.

    Time frame: Baseline and 4-6 weeks

  4. Change From Baseline in Matrix Metalloproteinase-8 (MMP-8) Levels

    MMP-8 concentration in peri-implant crevicular fluid was determined using a commercially available human MMP-8 ELISA kit. Concentrations were calculated from the assay standard curve and expressed as ng/mL. Change from baseline was assessed after treatment.

    Time frame: Baseline and 4-6 weeks

07

Study locations

1 site
  • Universidad Europea de Valencia
    Valencia, Valencia 46009, Spain
08

References and documents

Publications

  • Sanchez-Martos R, Samman A, Priami M, Arias-Herrera S. The diode laser as coadyuvant therapy in the non-surgical conventional treatment of peri-implant mucositis: A systematic review and meta-analysis. J Clin Exp Dent. 2020 Dec 1;12(12):e1171-e1182. doi: 10.4317/jced.57630. eCollection 2020 Dec. PubMed 33282139 ↗
  • Sanchez-Martos R, Samman A, Bouazza-Juanes K, Diaz-Fernandez JM, Arias-Herrera S. Clinical effect of diode laser on peri-implant tissues during non-surgical peri-implant mucositis therapy: Randomized controlled clinical study. J Clin Exp Dent. 2020 Jan 1;12(1):e13-e21. doi: 10.4317/medoral.56424. eCollection 2020 Jan. PubMed 31976039 ↗

Individual participant data

Plan to share: No — There is currently no established plan to share individual participant data

09

Timeline

1 registry update since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reachedSimilar studies: half by the dot; the band is the middle halfHalf of similar studies reached it by the dot; the band is the middle half, from a quarter to three quarters

Ran from Jan 2022 to primary completion in Jun 2024, 28 months.

Of 67 non-industry interventional studies with no phase under Mucositis, half reached primary completion within 12 months of starting (the median), counting those still running; a quarter within 6 and three quarters within 26. This study's 28 months is above that.

Counting every sponsor, half of 70 studies reached it within 12 months; a quarter within 6 and three quarters within 26.

How these figures are worked out, and which studies are left out of them.

Registered
Oct 14, 2026
First posted
Oct 21, 2026
StartActual
Jan 26, 2022
Primary completionActual
Jun 19, 2024
CompletionActual
Jun 19, 2024
Last update
Oct 21, 2026
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
Registered
First appeared on the registry. No changes since
Oct 21, 2026
Show all 1 update
  1. Oct 21, 2026
    First appeared on the registry

From the registry record's own update history. This site started tracking changes on Sep 25, 2026; for anything earlier, see the record history on ClinicalTrials.gov ↗

10

Registry details

Key details

Study ID
NCT07886593
Lead sponsor
Universidad Europea de Valencia
Responsible party
Santiago Arias-Herrera (Vice Dean, Faculty of Health Sciences, Universidad Europea de Valencia) — Principal investigator
First posted
Oct 21, 2026
Start date
Jan 26, 2022
Primary completion
Jun 19, 2024
Completion
Jun 19, 2024
Last update
Oct 21, 2026

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in Oct 2026. You cannot join it, but the record below documents what was studied.

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