NCT07469813

Brief Summary

Non-surgical periodontal treatment leads to periodontal inflammation resolution and amelioration of the clinical periodontal indices via the microbial load reduction. Additionally, non-surgical periodontal treatment can be performed with different instruments. Ultrasonic scalers with or without hand scalers are more frequently used during Phase I periodontal treatment, however the one who performs the treatment is committed to choose the tools that according to his judgment will lead to the best clinical outcomes following non-surgical periodontal therapy. The aim of this study was to evaluate the effectiveness of non-surgical periodontal treatment with a new oscillating ultrasonic device (Paro) with adjunctive root polishing versus traditional scaling and root planing with ultrasonic device and hand instruments, 3 and 6 months after treatment, at patients diagnosed with chronic periodontitis stage II, III and IV.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
40

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Jun 2025

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

June 20, 2025

Completed
7 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 20, 2026

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

January 20, 2026

Completed
2 months until next milestone

First Submitted

Initial submission to the registry

March 10, 2026

Completed
3 days until next milestone

First Posted

Study publicly available on registry

March 13, 2026

Completed
Last Updated

March 13, 2026

Status Verified

March 1, 2026

Enrollment Period

7 months

First QC Date

March 10, 2026

Last Update Submit

March 10, 2026

Conditions

Keywords

periodontal diseaseoscillatinghand instrumentsperiodontal treatment

Outcome Measures

Primary Outcomes (1)

  • Probing Pocket Depth

    Measurement from Free Gingival Margin to the base of the sulcus/pocket, in millimeters

    From enrollment to the end of post-treatment monitoring at 6 months

Secondary Outcomes (5)

  • Clinical Attachment Levels

    From enrollment to the end of post-treatment monitoring at 6 months

  • Bleeding on probing

    From enrollment to the end of post-treatment monitoring at 6 months

  • Root Dentin Hypersensitivity

    From enrollment to the end of post-treatment monitoring at 6 months

  • Pain perception after treatment

    From enrollment to the end of post-treatment monitoring at 6 months

  • Recession

    From enrollment to the end of post-treatment monitoring at 6 months

Study Arms (2)

Group 1

ACTIVE COMPARATOR

Conventional Periodontal Treatment, scaling and root planing with ultrasonic device and hand instruments

Procedure: Non-surgical periodontal treatment with U/S scalers and hand instruments

Group 2

EXPERIMENTAL

Periodontal treatment with Vector/Paro

Procedure: Periodontal treatment with U/S scalers and Vector/Paro

Interventions

Treatment of Group 2 was performed with U/S scalers (P3 \& P1), Vector-Paro System and sub- gingival polishing. In both groups, completion was decided upon the feeling of the operator that the root surfaces are smooth enough.

Group 2

Treatment of Group 1 was performed with U/S scalers (P3 \& P1), hand instruments( Gracey curettes) and sub-gingival polishing.

Group 1

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Systematically healthy adults
  • Signed informed consent
  • Periodontal disease diagnosis
  • Absence of periodontal treatment the previous 12 months

You may not qualify if:

  • Medical history that interferes with the healing process (CVD, organ transplantation, renal or hepatic failure etc)
  • Antibiotic and anti-inflammatory intake up to 1 month before treatment initiation
  • Pharmaceutically induced gingival enlargement
  • Pregnancy/ lactation

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

251 Hellenic Airforce Hospital

Athens, 11525, Greece

Location

MeSH Terms

Conditions

Periodontal Diseases

Condition Hierarchy (Ancestors)

Mouth DiseasesStomatognathic Diseases

Study Officials

  • Panagiotis Theodorelos, DDS, MSc

    251 Hellenic Airforce Hospital

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: Systematically healthy adults with a periodontal disease diagnosis, but absence of any periodontal treatment in the previous 12 months were chosen. At baseline, patient's demographics were recorded together with a medical and dental history report and a panoramic X- ray was performed. Oral hygiene instructions were given individually. The clinical measurements concerning the periodontal tissues were fully recorded in a Florida Probe periodontal chart pre-therapeutically and 3 to 6 months after treatment. Subsequently, all patients received non-surgical periodontal treatment with the novel vertically oscillating ultrasonic device (Vector/Paro,Durr Dental) with adjunctive subgingival root air-polishing(Lunos Perio Combi trehalose powder).
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

March 10, 2026

First Posted

March 13, 2026

Study Start

June 20, 2025

Primary Completion

January 20, 2026

Study Completion

January 20, 2026

Last Updated

March 13, 2026

Record last verified: 2026-03

Locations