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Peri-implantitisNCT07694323

Patient Perspectives Throughout Peri-Implantitis Treatment

An observational study of Peri-implantitis, run by University of Barcelona at 1 site in Spain.

Not yet recruiting

Opening soon. The study is approved but enrolment has not started yet. Sites may already take enquiries.

Sites and contacts
Official record
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Trial summary

To evaluate longitudinal changes in oral health-related quality of life (OHRQoL) and other patient-reported outcomes (PROMs) throughout the different stages of peri-implantitis therapy, including diagnosis, non-surgical treatment, surgical treatment, and 6-month follow-up. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Peri-implantitis
How many people
45 participants
Where
1 siteSpain
Study dates
3 Sep 2026to 30 Mar 2028
How long will I take part?
1 Year
Phase
Observational
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Study population: Adults (≥18 years) diagnosed with peri-implantitis according to the 2017 World Workshop classification who require surgical treatment following non-surgical therapy. Participants will be recruited from the Departments of Periodontology at the Hospital Odontològic Universitat de Barcelona (HOUB), the Clínica Universitària d'Odontologia of the Universitat Internacional de Catalunya (CUO-UIC), and the Universitat de València (UV).

Who may be able to join

  • Adults (≥18 years) diagnosed with peri-implantitis according to the 2017 World Workshop on the Classification of Periodontal and Peri-Implant Diseases and Conditions (Berglundh et al., 2018).
  • Implants presenting bleeding on probing (BoP) and/or suppuration on probing (SoP), increased probing depth, and progressive bone loss compared with previous records.
  • When previous records are unavailable, implants will be included if they present bleeding and/or suppuration on gentle probing, probing depth ≥6 mm, and a bone level ≥3 mm apical to the most coronal portion of the rough implant surface.
  • For patients requiring multiple peri-implantitis surgeries, only the first surgical intervention will be included.

Who cannot join

  • Patients who, following non-surgical peri-implantitis treatment, present ≤1 site with isolated bleeding on probing, no suppuration on probing, probing depths ≤5 mm, and no progressive bone loss compared with pretreatment bone levels.
  • Contraindications to surgical peri-implantitis treatment, including plaque index >20% and bleeding on probing >10%.
  • Previous radiotherapy to the head and neck region.
  • Uncontrolled diabetes mellitus/hyperglycaemia (HbA1c >7%).
  • Pregnancy or breastfeeding at the time of enrollment.
  • Alcohol or substance abuse.
  • Previous surgical treatment of peri-implantitis at the same implant.
  • Inability to complete the postoperative pain assessment (VAS) or the oral health-related quality of life (OHRQoL) questionnaires.

Trial locations and contacts

1 site in 1 country. Contact the study team or a site near you to ask about taking part.

Octavi Camps Font, DDS MS PhD contact

+34 934 024 269

ocamps@ub.edu

Spain1 site
  • Octavi Camps

    L'Hospitalet de Llobregat, Barcelona, 08907

    Octavi Camps Font, DDS MS PhD, +34 934 024 269, ocamps@ub.edu

Other trials in Spain

About this study

Official title: Patient-Centered Outcomes Throughout Peri-Implantitis Therapy: A Multicenter Prospective Observational Study

To evaluate longitudinal changes in oral health-related quality of life (OHRQoL) and other patient-reported outcomes (PROMs) throughout the different stages of peri-implantitis therapy, including diagnosis, non-surgical treatment, surgical treatment, and 6-month follow-up. Secondarily, to explore the influence of clinical, implant-related, and surgical factors on patient-reported outcomes and treatment experience.

Read the detailed description

Prospective multicenter observational cohort study conducted at three university centers: the University of Barcelona (coordinating center), the International University of Catalonia, and the University of Valencia.

Patients diagnosed with peri-implantitis and requiring surgical treatment will be consecutively recruited and followed through four evaluation time points:

T0: Diagnosis T1: Six weeks after non-surgical therapy T2: Six weeks after surgical treatment T3: Six-month follow-up

Primary objective:

To evaluate longitudinal changes in oral health-related quality of life (OHRQoL) throughout peri-implantitis therapy. OHRQoL will be assessed using a modified version of the OHIP-14 questionnaire specifically adapted for patients with peri-implantitis.

Secondary objectives:

To assess changes in patient-reported experience measures (PREMs), including pain, anxiety, emotional impact, satisfaction, functional limitations, aesthetic perception, and treatment expectations.

To investigate the association between patient-reported outcomes and clinical parameters such as probing depth, bleeding/suppuration on probing, peri-implant bone loss, tissue phenotype, and defect morphology.

To evaluate whether patient-reported outcomes differ according to the type of surgical treatment performed (access, resective, regenerative, or combined surgery).

To explore the influence of patient-, implant-, and prosthetic-related factors on treatment experience and quality of life outcomes.

At each study visit, participants will complete the patient-reported outcome questionnaire and undergo standardized clinical assessments. The study does not modify routine clinical care, and all treatments will be provided according to current clinical guidelines and clinician judgment. This study aims to provide novel evidence regarding the real-world patient experience throughout peri-implantitis therapy and to support a more patient-centered approach to peri-implant disease management.

Keywords
Peri-implantitis, Patient-centered outcomes, Oral health-related quality of life, Dental implants, Patient satisfaction
Medical subject headings
Peri-Implantitis, Patient Satisfaction

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

Study groups in NCT07694323
Study groupRoleWhat they receive
Peri-implantitisInclusion Criteria Adult patients (≥18 years old) diagnosed with peri-implantitis according to the definition established by the 2017 World Workshop on the Classification of Periodontal and Peri-Implant Diseases and Conditions (Berglundh et al., 2018). Implants presenting bleeding on probing and/or suppuration, increased probing depth, and progressive bone loss compared with previous records. When previous records are unavailable, implants will be included if they present bleeding and/or suppuration on gentle probing, probing depth ≥ 6 mm, and a bone level ≥ 3 mm apical to the most coronal portion of the implant's rough surface. In patients requiring multiple surgical interventions, only the first surgical procedure will be included in the study.

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Change in Oral Health-Related Quality of Life (OHRQoL)

    Change in oral health-related quality of life throughout peri-implantitis treatment, assessed using the Spanish version of the Oral Health Impact Profile-14 (OHIP-14sp). The total OHIP-14sp score ranges from 0 to 56, with higher scores indicating worse oral health-related quality of life. The outcome will be expressed as the total OHIP-14sp score and compared across the four study time points.

    Unit of Measure: OHIP-14sp total score (0-56)

    Measured: T0 (immediately after diagnosis), T1 (6 weeks after non-surgical treatment), T2 (6 weeks after surgical treatment), and T3 (6 months after surgical treatment)

Secondary outcomes (37)
  1. Perceived Pain During Each Stage of Treatment (VAS, 0-100 mm)

    Pain perceived by the patient during each stage of peri-implantitis treatment, measured using a 100-mm visual analogue scale (VAS), where 0 indicates no pain and 100 indicates the worst imaginable pain Unit of Measure: Millimeters (0-100 mm VAS)

    Measured: T1 (6 weeks after non-surgical treatment), T2 (6 weeks after surgical treatment), and T3 (6 months after surgical treatment).

  2. Anxiety and Concern Related to Diagnosis and Treatment (VAS, 0-100 mm)

    Anxiety and concern perceived by the patient in relation to the diagnosis of peri-implantitis and its treatment, measured using a 100-mm visual analogue scale (VAS), where 0 indicates no anxiety or concern and 100 indicates the highest imaginable level of anxiety or concern.

    Unit of Measure: Millimeters (0-100 mm VAS)

    Measured: T0 (immediately after diagnosis), T1 (6 weeks after non-surgical treatment), T2 (6 weeks after surgical treatment), and T3 (6 months after surgical treatment).

  3. Emotional Impact of Peri-Implantitis (VAS, 0-100 mm)

    Emotional impact perceived by the patient in relation to the diagnosis of peri-implantitis and its treatment, including feelings such as fear of implant loss and frustration with the diagnosis, measured using a 100-mm visual analogue scale (VAS), where 0 indicates no emotional impact and 100 indicates the highest imaginable emotional impact.

    Unit of Measure: Millimeters (0-100 mm VAS)

    Measured: T0 (immediately after diagnosis), T1 (6 weeks after non-surgical treatment), T2 (6 weeks after surgical treatment), and T3 (6 months after surgical treatment).

  4. Satisfaction with Treatment Received (VAS, 0-100 mm)

    Patient satisfaction with the treatment received for peri-implantitis, measured using a 100-mm visual analogue scale (VAS), where 0 indicates no satisfaction and 100 indicates the highest possible level of satisfaction.

    Unit of Measure: Millimeters (0-100 mm VAS)

    Measured: T1 (6 weeks after non-surgical treatment), T2 (6 weeks after surgical treatment), and T3 (6 months after surgical treatment).

  5. Perceived Oral Function (VAS, 0-100 mm)

    Patient-perceived oral function following peri-implantitis treatment, including the ability to chew, speak, and perform oral hygiene, measured using a 100-mm visual analogue scale (VAS), where 0 indicates complete functional impairment and 100 indicates normal oral function.

    Unit of Measure: Millimeters (0-100 mm VAS)

    Measured: T0 (immediately after diagnosis), T1 (6 weeks after non-surgical treatment), T2 (6 weeks after surgical treatment), and T3 (6 months after surgical treatment).

  6. Perceived Treatment Outcomes Compared with Expectations (VAS, 0-100 mm)

    Patient perception of the extent to which the outcomes of peri-implantitis treatment met their initial expectations, measured using a 100-mm visual analogue scale (VAS), where 0 indicates that the treatment outcomes did not meet expectations at all and 100 indicates that the treatment outcomes completely met or exceeded expectations.

    Unit of Measure: Millimeters (0-100 mm VAS)

    Measured: T1 (6 weeks after non-surgical treatment), T2 (6 weeks after surgical treatment), and T3 (6 months after surgical treatment).

  7. Perceived Aesthetic Outcome Following Surgical Treatment (VAS, 0-100 mm)

    Patient perception of the aesthetic outcome following surgical treatment for peri-implantitis, measured using a 100-mm visual analogue scale (VAS), where 0 indicates complete dissatisfaction with the aesthetic outcome and 100 indicates complete satisfaction with the aesthetic outcome.

    Unit of Measure: Millimeters (0-100 mm VAS)

    Measured: T2 (6 weeks after surgical treatment) and T3 (6 months after surgical treatment)

  8. Probing Depth (PPD, mm)

    Depth of peri-implant sulcus measured at six sites per implant using standardized probing force (20-25 g). Unit of Measure: millimeters (mm)

    Measured: T1 (6 weeks after non-surgical treatment), T2 (6 weeks after surgical treatment), and T3 (6 months after surgical treatment).

  9. Radiographic Marginal Bone Level (mm)

    Radiographic marginal bone level measured in millimeters as the distance from the implant reference point designed to be in intimate contact with the bone to the most coronal bone-to-implant contact on standardized periapical radiographs.

    Unit of Measure: Millimeters (mm)

    Measured: T0 (immediately after diagnosis), T1 (6 weeks after non-surgical treatment), T2 (6 weeks after surgical treatment), and T3 (6 months after surgical treatment).

  10. Peri-Implant Bone Defect Configuration

    Peri-implant bone defect morphology classified according to the predominant defect configuration as intrabony, suprabony, or combined, based on the intraoperative clinical assessment.

    Unit of Measure: Categorical (intrabony, suprabony, combined)

    Measured: T2 (during surgical treatment).

  11. Width of Keratinized Mucosa (KM, mm)

    Distance from the mucosal margin to the mucogingival junction at the buccal aspect of the implant, measured using a periodontal probe.

    Unit of Measure: Millimeters (mm)

    Measured: T0 (immediately after diagnosis), T1 (6 weeks after non-surgical treatment), T2 (6 weeks after surgical treatment), and T3 (6 months after surgical treatment).

  12. Thickness of Keratinized Peri-Implant Mucosa

    Thickness of the buccal keratinized peri-implant mucosa assessed using the periodontal probe transparency method. The mucosa is classified as thin if the periodontal probe is visible through the tissue (<1 mm) and thick if the probe is not visible (≥1 mm).

    Unit of Measure: Categorical (thin [<1 mm] or thick [≥1 mm])

    Measured: T0 (immediately after diagnosis), T1 (6 weeks after non-surgical treatment), T2 (6 weeks after surgical treatment), and T3 (6 months after surgical treatment).

  13. Age

    Participant age at baseline (T0), calculated as the interval between the date of birth and the enrollment date.

    Unit of Measure: Years, months, and days

    Measured: T0 (baseline)

  14. Sex

    Self-reported sex of the participant, recorded at baseline. Unit of Measure: Categorical (Male, Female, Other, Prefer not to disclose)

    Measured: Time Frame: T0 (baseline)

  15. Smoking Status

    Self-reported smoking status at baseline. Unit of Measure: Categorical (Never smoker, Former smoker, Current smoker)

    Measured: T0 (baseline)

  16. Cigarettes Smoked per Day

    Average number of cigarettes smoked per day, self-reported by current and former smokers.

    Unit of Measure: Cigarettes/day

    Measured: T0 (baseline)

  17. Relevant Systemic Comorbidities

    Presence of relevant systemic comorbidities based on the participant's self-reported medical history and clinical records.

    Unit of Measure: Categorical (Yes/No)

    Measured: T0 (baseline)

  18. Toothbrushing Frequency

    Self-reported frequency of toothbrushing. Unit of Measure: Categorical (Once daily, Twice daily, Three or more times daily)

    Measured: T0 (baseline)

  19. Toothbrush Type

    Type of toothbrush routinely used by the participant. Unit of Measure: Categorical (Manual, Electric, Both)

    Measured: T0 (baseline)

  20. Interproximal Cleaning Method

    Primary method used by the participant for interproximal oral hygiene. Unit of Measure: Categorical (Dental floss, Interdental brushes, Oral irrigator, None)

    Measured: T0 (baseline)

  21. Frequency of Interproximal Cleaning

    Self-reported frequency of interproximal oral hygiene. Unit of Measure: Categorical (Never, Occasionally, Daily)

    Measured: T0 (baseline)

  22. Reason for Previous Tooth Loss

    Primary reason for the loss of the tooth replaced by the implant, based on the participant's dental history and clinical records.

    Unit of Measure: Categorical (Periodontitis, Caries, Endodontic failure, Root fracture, Trauma, Congenital absence, Orthodontic extraction, Other)

    Measured: T0 (baseline)

  23. Dental Arch

    Arch in which the implant is located. Unit of Measure: Categorical (Maxilla, Mandible)

    Measured: T0 (baseline)

  24. Implant Position

    Anatomical position of the implant according to its location in the dental arch.

    Unit of Measure: Categorical (Anterior, Posterior)

    Measured: T0 (baseline)

  25. Specific Implant Site

    Specific tooth position replaced by the implant, recorded using the FDI tooth numbering system.

    Unit of Measure: Tooth number

    Measured: T0 (baseline)

  26. Implant Brand

    Commercial brand of the implant. Unit of Measure: Free text

    Measured: T0 (baseline)

  27. Implant Model

    Commercial model of the implant. Unit of Measure: Free text

    Measured: T0 (baseline)

  28. Implant Surface

    Type of implant surface according to the manufacturer's specifications. Unit of Measure: Categorical (Treated, Untreated)

    Measured: T0 (baseline)

  29. Prosthetic Connection Type

    Type of implant-prosthetic connection. Unit of Measure: Categorical (Internal, External, Conical, Other)

    Measured: T0 (baseline)

  30. Restoration Retention Type

    Type of implant-supported restoration according to its retention mechanism. Unit of Measure: Categorical (Screw-retained, Cement-retained)

    Measured: T0 (baseline)

  31. Year of Prosthetic Loading

    Calendar year in which the implant-supported prosthetic restoration was delivered and functionally loaded.

    Unit of Measure: Year

    Measured: T0 (baseline)

  32. Total Number of Implants per Patient

    Total number of dental implants present in the participant at baseline, recorded to account for patient-level clustering in statistical analyses.

    Unit of Measure: Number of implants

    Measured: T0 (baseline)

  33. Year of Implant Placement

    Calendar year in which the implant was surgically placed. Unit of Measure: Year

    Measured: T0 (baseline)

  34. Bleeding and/or Suppuration on Probing (BoP/SoP)

    Presence of bleeding and/or suppuration elicited within 30 seconds after gentle probing at six sites per implant using a standardized periodontal probe.

    Unit of Measure: Categorical (Present/Absent)

    Measured: T0 (immediately after diagnosis), T1 (6 weeks after non-surgical treatment), T2 (6 weeks after surgical treatment), and T3 (6 months after surgical treatment).

  35. Type of Surgical Procedure

    Surgical approach used for the treatment of peri-implantitis, classified according to the primary surgical technique performed.

    Unit of Measure: Categorical (Access surgery, Resective surgery, Regenerative surgery, Combined surgery)

    Measured: T2 (during surgical treatment)

  36. Postoperative Wound Dehiscence

    Presence of postoperative wound dehiscence at the surgical site, assessed during the postoperative clinical examination.

    Unit of Measure: Categorical (Present/Absent)

    Measured: T2 (6 weeks after surgical treatment)

  37. Postoperative Complications

    Occurrence of postoperative complications related to peri-implantitis surgery, including the type of complication when present.

    Unit of Measure: Categorical (Absent/Present) and free text (type of complication)

    Measured: T2 (6 weeks after surgical treatment) and T3 (6 months after surgical treatment)

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted9 Jul 2026
  2. Study start3 Sep 2026 (estimated)
  3. Primary completion3 Sep 2027 (estimated)
  4. Study completion30 Mar 2028 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Prospective
Enrolment
45 participants (estimated)
Target duration
1 Year
IDs, dates and publications
ClinicalTrials.gov ID
NCT07694323
Sponsor's protocol ID
2025-84-1
Status last verified
Jul 2026
First submitted
28 Jun 2026
Last updated
9 Jul 2026
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

An observational study of Peri-implantitis, run by University of Barcelona at 1 site in Spain.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 8 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: opening soon, as of the sponsor's last update on 9 Jul 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Spain. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

Contact Octavi Camps Font, DDS MS PhD (+34 934 024 269, ocamps@ub.edu), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Change in Oral Health-Related Quality of Life (OHRQoL) (time frame: T0 (immediately after diagnosis), T1 (6 weeks after non-surgical treatment), T2 (6 weeks after surgical treatment), and T3 (6 months after surgical treatment)). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 9 Jul 2026.

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