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Lactobacillus Reuteri Strains for Gingivitis Reduction

Efficacy of Two Orally Administered Lactobacillus Reuteri Strains for Gingivitis Reduction in Young Adults: A Randomized Controlled Clinical Trial

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06234839
Enrollment
60
Registered
2024-01-31
Start date
2023-01-07
Completion date
2023-12-06
Last updated
2024-01-31

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

Conditions

Gingival Inflammation

Keywords

Gingivitis, Lactobacillus reuteri, Bacteriotherapy, Clinical randomized trial

Brief summary

The aim of the present study was to investigate the potential beneficial effects in volunteer young adults of orally administered L. reuteri (DSM 17938 and ATCC PTA 5289) on gingival inflammation. The null hypothesis was that no difference would be manifested by probiotic therapy regarding the conventional mechanical treatment (without probiotic administration).

Detailed description

Aim. To investigate the potential beneficial effects in volunteer young adults of orally daily administered L. reuteri (DSM 17938 and ATCC PTA 5289) on gingival inflammation. The null hypothesis was that no difference would be manifested by probiotic therapy regarding the conventional mechanical treatment (without probiotic administration). Methods. A randomized controlled parallel clinical trial was conducted in sixty young adults (18-35 yrs old) with chronic marginal gingivitis for one month. Initially, both study groups underwent conventional mechanical periodontal therapy/oral anti-plaque hygiene. However, the experimental group additionally received the administration of two daily tablets, containing both L. reuteri strains, for 30 days, while the control group did not. Different clinical outcome variables (plaque (PI) and gingival (GI) indices, bleeding on probing (BOP), and crevicular fluid volume (CFV)) were recorded and compared between the study groups, both at baseline and at the end of the interventions, 30 days later. Statistical descriptive and inferential tests were performed (data distribution normality, Student's t, and Wilcoxon-Mann-Whitney tests).

Interventions

DIETARY_SUPPLEMENTL. reuteri (DSM 17938 and ATCC PTA 5289) in form of oral tablets

Each subject of the experimental group was instructed to dissolve inside the mouth two tablets per day (in the morning and before going to bed at night), during the experimental period of 30 days. The tablets were provided by BioGaia ProDentis® (Stockholm, Sweden). The tablets contained two strains of L. reuteri (DSM-17938 and ATCC PTA 5289), at a dose of 2 x 108 CFU/tablet.

Sponsors

Universidad Autonoma de San Luis Potosí
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
SINGLE (Outcomes Assessor)

Masking description

The clinical evaluators of the results were unaware that each patient belonged to one of the 2 study groups.

Intervention model description

Both study groups underwent conventional mechanical periodontal therapy/oral anti-plaque hygiene. However, the experimental group additionally received the administration of two daily tablets, containing both L. reuteri strains, for 30 days, while the control group did not.

Eligibility

Sex/Gender
ALL
Age
18 Years to 35 Years
Healthy volunteers
Yes

Inclusion criteria

* Non-smokers (at least for the last 6 months). * Initial mean gingival index (GI) between 1.5 - 2. * With a minimum of 20 teeth present in the oral cavity.

Exclusion criteria

* Periodontal pockets \> 4 mm. * Recent intake of antibiotics or anti-inflammatory drugs and/or reception of dental prophylaxis. * Daily consumption of analgesics, probiotics, or oral antimicrobial rinses/gels. * Overweight (MCI \>25). * Alcohol or recreative drug frequent consumers. * Pregnancy or breast-feeding. * Allergy or hypersensitivity to study products * Fixed orthodontic appliances.

Design outcomes

Primary

MeasureTime frameDescription
Gingival index0, 7, 14, 21 and 30 days.The Gingival Index (GI) scores each site on a 0 to 3 scale, with 0 being normal and 3, being severe inflammation characterized by edema, redness, swelling, and spontaneous bleeding.
Plaque index0, 7, 14, 21 and 30 days.The plaque index assesses the amount of dental plaque visible on the vestibular and lingual surfaces of all teeth, except the third molars. The bacterial plaque developer solution was used to define cumulative amounts of plaque with criteria from 0 to 5.
Bleeding on probing0, 7, 14, 21 and 30 days.BOP describes bleeding induced by gentle manipulation of the tissue. The probing is typically completed to the depth of the gingival sulcus, or the area between the gingiva and the tooth.
Crevicular fluid volume0, 7, 14, 21 and 30 days.Gingival crevicular fluid is an inflammatory exudate derived from the periodontal tissues. It is composed of serum and locally generated materials such as tissue breakdown products, inflammatory mediators, and antibodies directed against dental plaque bacteria.

Countries

Mexico

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026