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Oral Biofilm Sampling for Microbiome Analysis in Healthy Children
Published on: December 31, 2017
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Oral and throat microbiological changes after orthodontic debonding.
Alessandra Lucchese1,2,3, Riccardo Nocini4, Antonino Lo Giudice5
1Unit of Orthodontics, Division of Dentistry IRCCS Ospedale San Raffaele Scientific Institute, 20132 Milan, Italy.
The New Microbiologica
|October 3, 2022
Summary
Orthodontic retention devices can impact oral bacteria. Six weeks after debonding, salivary bacteria levels decreased and oral health improved, regardless of retention type.
Area of Science:
- Oral microbiology
- Orthodontics
- Periodontology
Background:
- Orthodontic treatment is known to increase plaque retention and bacterial growth.
- Post-orthodontic debonding may lead to changes in oral microbiota.
- Understanding these changes is crucial for maintaining oral health.
Purpose of the Study:
- To evaluate variations in six key bacterial species.
- To assess oral health status after orthodontic debonding.
- To compare the effects of different retention types on oral microbiota and health.
Main Methods:
- Thirty patients were divided into three groups based on retention: fixed, removable, or mixed.
- Salivary swabs were collected immediately after debonding (T0) and 6 weeks later (T1).
- Real-time PCR analyzed six bacterial species (Streptococcus mutans, Aggregatibacter actinomycetemcomitans, Porphyromonas gingivalis, Tannerella forsythia, Treponema denticola, Fusobacterium nucleatum). Oral health indexes were also assessed.
Main Results:
- A significant decrease in salivary bacteria levels was observed at T1 compared to T0 (p<.05).
- Oral health indexes showed significant improvement at T1 compared to T0 (p<.05).
- Both fixed and removable retention devices similarly influenced salivary bacteria levels and oral health outcomes.
Conclusions:
- Oral microbiota and health status tend to improve six weeks after orthodontic debonding.
- The type of retention device (fixed or removable) did not significantly alter these post-debonding trends.
- Maintaining good oral hygiene is essential during and after orthodontic treatment.
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