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Reduction of residual and/or recurrent spaces or openings surrounding the teeth under the gum line using a sodium hypochlorite gel after completion of gum treatment

Clinical and microbiological effects of a single application of a sodium hypochlorite gel in maintenance patients treated for periodontitis stages III-IV. A triple-blind randomized placebo-controlled clinical trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN11387188
Enrollment
60
Registered
2021-12-09
Start date
2018-01-21
Completion date
Unknown
Last updated
2022-08-05

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Topical antimicrobial in supportive periodontal therapy Oral Health

Interventions

Study design This study is conducted as a triple-blind randomized placebo-controlled clinical trial of 12 months with a parallel design of three independent groups, with a 1:1:1 allocation ratio. The

Sponsors

Regedent (Switzerland)
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Men and women aged 20-80 years 2. Treated periodontitis patients, that underwent supportive periodontal treatment for a minimum period of 6 months 3. At least 4 non-adjacent sites with PPDs =4 mm with BOP or PPDs >5 mm, but not deeper than 8 mm, with or without BOP, according to the criteria for the need of retreatment in SPT (rate of healing) (Tonetti, Lang & Cortellini 2012); the sites should not be associated with affected furcations, in third molars and in teeth severely malpositioned teeth. Ideally, the teeth should be in different quadrants 4. The teeth considered for assessment should be vital or should have an adequate root canal treatment 5. Compliant patients (mean BOP <25%, PCR <25%) 6. Patients who underwent systematic periodontal treatment in the same private practice where the study is conducted and have been documented regarding the periodontal evaluations, radiographs 7. Patients willing to provide written informed consent 8. Patients able to comply with 12-month study follow-up

Exclusion criteria

Exclusion criteria: 1. Known allergy or adverse reactions to hypochlorite 2. Clinically relevant psychological disorders 3. Alcohol abuse 4. Known HIV infection 5. Self-reported diabetes mellitus 6. Locally or systemic administration of antibiotics in the last 3 months 7. Pregnancy, breastfeeding If progression of periodontal destruction was observed or if adverse reactions to the test product were reported, the subject was removed from the study. Progression of periodontal destruction was defined as attachment loss > 2mm or an increase of PPD >2 mm between subsequent evaluations.

Design outcomes

Primary

MeasureTime frame
At baseline and 3-, 6-, 9- and 12-month re-evaluations the following are recorded using six sites per tooth by the same investigator: 1. Periodontal pocket depths (PPDs) 2. Full-mouth plaque scores (FMPS) 3. Full-mouth bleeding scores (FMBs)

Secondary

MeasureTime frame
Microbiological samples will be collected from teeth with the deepest PPD recorded at the initial evaluation and 12-months to detect the presence of bacteria: Aggregatibacter actinomycetemcomitans (A.a.), Porphyromonas gingivalis (P.g.), Prevotella intermedia (P.i.), Tannerella forsythia (T.f.) and Treponema denticola (T.d.) measured using a molecular genetic analysis.

Countries

Romania

Contacts

Public ContactViorelia Radulescu
viorelia.radulescu@umft.ro+40 768477932

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 17, 2026