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Erschienen in: Clinical Oral Investigations 5/2024

01.05.2024 | Research

Acquired enamel pellicle and biofilm engineering with a combination of acid-resistant proteins (CaneCPI-5, StN15, and Hemoglobin) for enhanced protection against dental caries - in vivo and in vitro investigations

verfasst von: Tamara Teodoro Araujo, Aline Dionizio, Thamyris Souza Carvalho, Chelsea Maria Vilas Boas Feitosa, Mariele Vertuan, João Victor Frazão Câmara, Flavio Henrique-Silva, Reinaldo Marchetto, Marcos Roberto Chiaratti, Angélica Camargo Santos, Lindomar Oliveira Alves, Milene Ferro, Marília Afonso Rabelo Buzalaf

Erschienen in: Clinical Oral Investigations | Ausgabe 5/2024

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Abstract

Objective

This study was designed in two-legs. In the in vivo, we explored the potential of a rinse solution containing a combination (Comb) of 0.1 mg/mL CaneCPI-5 (sugarcane-derive cystatin), 1.88 × 10− 5M StN15 (statherin-derived peptide) and 1.0 mg/mL hemoglobin (Hb) to change the protein profile of the acquired enamel pellicle(AEP) and the microbiome of the enamel biofilm. The in vitro, was designed to reveal the effects of Comb on the viability and bacterial composition of the microcosm biofilm, as well as on enamel demineralization.

Materials and methods

In vivo study, 10 participants rinsed (10mL,1 min) with either deionized water (H2O-control) or Comb. AEP and biofilm were collected after 2 and 3 h, respectively, after rinsing. AEP samples underwent proteomics analysis, while biofilm microbiome was assessed via 16 S-rRNA Next Generation Sequencing(NGS). In vitro study, a microcosm biofilm protocol was employed. Ninety-six enamel specimens were treated with: 1)Phosphate-Buffered Solution-PBS(negative-control), 2)0.12%Chlorhexidine, 3)500ppmNaF and 4)Comb. Resazurin, colony-forming-units(CFU) and Transversal Microradiography(TMR) were performed.

Results

The proteomic results revealed higher quantity of proteins in the Comb compared to control associated with immune system response and oral microbial adhesion. Microbiome showed a significant increase in bacteria linked to a healthy microbiota, in the Comb group. In the in vitro study, Comb group was only efficient in reducing mineral-loss and lesion-depth compared to the PBS.

Conclusions

The AEP modification altered the subsequent layers, affecting the initial process of bacterial adhesion of pathogenic and commensal bacteria, as well as enamel demineralization.

Clinical relevance

Comb group shows promise in shaping oral health by potentially introducing innovative approaches to prevent enamel demineralization and deter tooth decay.
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Metadaten
Titel
Acquired enamel pellicle and biofilm engineering with a combination of acid-resistant proteins (CaneCPI-5, StN15, and Hemoglobin) for enhanced protection against dental caries - in vivo and in vitro investigations
verfasst von
Tamara Teodoro Araujo
Aline Dionizio
Thamyris Souza Carvalho
Chelsea Maria Vilas Boas Feitosa
Mariele Vertuan
João Victor Frazão Câmara
Flavio Henrique-Silva
Reinaldo Marchetto
Marcos Roberto Chiaratti
Angélica Camargo Santos
Lindomar Oliveira Alves
Milene Ferro
Marília Afonso Rabelo Buzalaf
Publikationsdatum
01.05.2024
Verlag
Springer Berlin Heidelberg
Erschienen in
Clinical Oral Investigations / Ausgabe 5/2024
Print ISSN: 1432-6981
Elektronische ISSN: 1436-3771
DOI
https://doi.org/10.1007/s00784-024-05651-0

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