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Abdo VL, Suarez LJ, de Paula LG, Costa RC, Shibli J, Feres M, Barāo VAR, Bertolini M, Souza JGS. Underestimated microbial infection of resorbable membranes on guided regeneration. Colloids Surf B Biointerfaces 2023; 226:113318. [PMID: 37075523 DOI: 10.1016/j.colsurfb.2023.113318] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 03/29/2023] [Accepted: 04/12/2023] [Indexed: 04/21/2023]
Abstract
Barrier membranes are critical in creating tissuecompartmentalization for guided tissue (GTR) and bone regeneration (GBR) therapies. More recently, resorbable membranes have been widely used for tissue and bone regeneration due to their improved properties and the dispensable re-entry surgery for membrane removal. However, in cases with membrane exposure, this may lead to microbial contamination that will compromise the integrity of the membrane, surrounding tissue, and bone regeneration, resulting in treatment failure. Although the microbial infection can negatively influence the clinical outcomes of regenerative therapy, such as GBR and GTR, there is a lack of clinical investigations in this field, especially concerning the microbial colonization of different types of membranes. Importantly, a deeper understanding of the mechanisms of biofilm growth and composition and pathogenesis on exposed membranes is still missing, explaining the mechanisms by which bone regeneration is reduced during membrane exposure. This scoping review comprehensively screened and discussed the current in vivo evidence and possible new perspectives on the microbial contamination of resorbable membranes. Results from eligible in vivo studies suggested that different bacterial species colonized exposed membranes according to their composition (collagen, expanded polytetrafluoroethylene (non-resorbable), and polylactic acid), but in all cases, it negatively affected the attachment level and amount of bone gain. However, limited models and techniques have evaluated the newly developed materials, and evidence is scarce. Finally, new approaches to enhance the antimicrobial effect should consider changing the membrane surface or incorporating long-term released antimicrobials in an effort to achieve better clinical success.
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Affiliation(s)
- Victoria L Abdo
- Department of Periodontology, Dental Research Division, Guarulhos University, Praça Tereza Cristina, 88 - Centro, Guarulhos, São Paulo 07023-070, Brazil
| | - Lina J Suarez
- Department of Periodontology, Dental Research Division, Guarulhos University, Praça Tereza Cristina, 88 - Centro, Guarulhos, São Paulo 07023-070, Brazil; Departamento de Ciencias Básicas y Medicina Oral, Universidad Nacional de Colombia, Cra 45 # 26-85, Bogotá 11001, Colombia
| | - Lucca Gomes de Paula
- Dental Science School (Faculdade de Ciências Odontológicas - FCO), Av. Waldomiro Marcondes Oliveira, 20 - Ibituruna, Montes Claros, Minas Gerais 39401-303, Brazil
| | - Raphael C Costa
- Department of Prosthodontics and Periodontology, Piracicaba Dental School, University of Campinas (UNICAMP), Av. Limeira, 901, Piracicaba, São Paulo 13414-903, Brazil
| | - Jamil Shibli
- Department of Periodontology, Dental Research Division, Guarulhos University, Praça Tereza Cristina, 88 - Centro, Guarulhos, São Paulo 07023-070, Brazil
| | - Magda Feres
- Department of Periodontology, Dental Research Division, Guarulhos University, Praça Tereza Cristina, 88 - Centro, Guarulhos, São Paulo 07023-070, Brazil; Harvard School of Dental Medicine, Boston, Massachusetts, USA
| | - Valentim A R Barāo
- Department of Prosthodontics and Periodontology, Piracicaba Dental School, University of Campinas (UNICAMP), Av. Limeira, 901, Piracicaba, São Paulo 13414-903, Brazil
| | - Martinna Bertolini
- Department of Periodontics and Preventive Dentistry, University of Pittsburgh School of Dental Medicine, 3501 Terrace St, Pittsburgh, PA 15213, USA
| | - Joāo Gabriel Silva Souza
- Department of Periodontology, Dental Research Division, Guarulhos University, Praça Tereza Cristina, 88 - Centro, Guarulhos, São Paulo 07023-070, Brazil; Dental Science School (Faculdade de Ciências Odontológicas - FCO), Av. Waldomiro Marcondes Oliveira, 20 - Ibituruna, Montes Claros, Minas Gerais 39401-303, Brazil.
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Araújo LK, Lopes MDS, Souza FFPD, Melo MMD, Paulo ADO, Castro-Silva II. Efficiency analysis of commercial polymeric membranes for bone regeneration in rat cranial defects. Acta Cir Bras 2023; 38:e380623. [PMID: 36888756 PMCID: PMC10037556 DOI: 10.1590/acb380623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 01/06/2023] [Indexed: 03/08/2023] Open
Abstract
PURPOSE To evaluate the in vivo efficiency of commercial polymeric membranes for guided bone regeneration. METHODS Rat calvarial critical size defects was treated with LuminaCoat (LC), Surgitime PTFE (SP), GenDerm (GD), Pratix (PR), Techgraft (TG) or control (C-) and histomorphometric analysis determined the percentage of new bone, connective tissue and biomaterial at 1 or 3 months. Statistical analysis used ANOVA with Tukey's post-test for means at same experimental time and the paired Student's t test between the two periods, considering p < 0.05. RESULTS New bone at 1 month was higher for SP, TG and C-, at 3 months there were no differences, and between 1 and 3 months PR had greater increase growthing. Connective tissue at 1 month was higher for C-, at 3 months for PR, TG and C-, and between 1 and 3 months C- had sharp decline. Biomaterial at 1 month was higher for LC, in 3 months for SP and TG, and between 1 and 3 months, LC, GD and TG had more decreasing mean. CONCLUSIONS SP had greater osteopromotive capacity and limitation of connective ingrowth, but did not exhibit degradation. PR and TG had favorable osteopromotion, LC less connective tissue and GD more accelerated biodegradation.
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Affiliation(s)
- Lana Karine Araújo
- Universidade Federal do Ceará - Postgraduate Program in Biotechnology - Sobral (CE), Brazil
| | | | | | | | | | - Igor Iuco Castro-Silva
- Universidade Federal do Ceará - Postgraduate Program in Biotechnology - Sobral (CE), Brazil
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Sartoretto SC, Gens NDF, de Brito Resende RF, Alves ATNN, Cecato RC, Uzeda MJ, Granjeiro JM, Calasans-Maia MD, Calasans-Maia JA. In Vivo Evaluation of Permeable and Impermeable Membranes for Guided Bone Regeneration. MEMBRANES 2022; 12:membranes12070711. [PMID: 35877914 PMCID: PMC9324035 DOI: 10.3390/membranes12070711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 07/09/2022] [Accepted: 07/11/2022] [Indexed: 02/05/2023]
Abstract
Background: The degree of biodegradation and the inflammatory response of membranes employed for guided bone regeneration directly impact the outcome of this technique. This study aimed to evaluate four different experimental versions of Poly (L-lactate-co-Trimethylene Carbonate) (PTMC) + Poly (L-lactate-co-glycolate) (PLGA) membranes, implanted in mouse subcutaneous tissue, compared to a commercially available membrane and a Sham group. Methods: Sixty Balb-C mice were randomly divided into six experimental groups and subdivided into 1, 3, 6 and 12 weeks (n = 5 groups/period). The membranes (1 cm2) were implanted in the subcutaneous back tissue of the animals. The samples were obtained for descriptive and semiquantitative histological evaluation (ISO 10993-6). Results: G1 and G4 allowed tissue adhesion and the permeation of inflammatory cells over time and showed greater phagocytic activity and permeability. G2 and G3 detached from the tissue in one and three weeks; however, in the more extended periods, they presented a rectilinear and homogeneous aspect and were not absorbed. G2 had a major inflammatory reaction. G5 was almost completely absorbed after 12 weeks. Conclusions: The membranes are considered biocompatible. G5 showed a higher degree of biosorption, followed by G1 and G4. G2 and G3 are considered non-absorbable in the studied periods.
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Affiliation(s)
- Suelen Cristina Sartoretto
- Oral Surgery Department, Dentistry School, Fluminense Federal University, Niteroi 24020-140, Rio de Janeiro, Brazil; (S.C.S.); (R.F.d.B.R.); (M.J.U.)
- Laboratory for Clinical Research in Dentistry, Dentistry School, Fluminense Federal University, Niteroi 24020-140, Rio de Janeiro, Brazil; (A.T.N.N.A.); (J.M.G.); (M.D.C.-M.)
| | - Natalia de Freitas Gens
- Graduate Program, Dentistry School, Fluminense Federal University, Niteroi 24020-140, Rio de Janeiro, Brazil;
| | - Rodrigo Figueiredo de Brito Resende
- Oral Surgery Department, Dentistry School, Fluminense Federal University, Niteroi 24020-140, Rio de Janeiro, Brazil; (S.C.S.); (R.F.d.B.R.); (M.J.U.)
- Laboratory for Clinical Research in Dentistry, Dentistry School, Fluminense Federal University, Niteroi 24020-140, Rio de Janeiro, Brazil; (A.T.N.N.A.); (J.M.G.); (M.D.C.-M.)
- Oral Surgery Department, Dentistry School, Iguaçu University, Nova Iguaçu 26275-580, Rio de Janeiro, Brazil
| | - Adriana Terezinha Neves Novellino Alves
- Laboratory for Clinical Research in Dentistry, Dentistry School, Fluminense Federal University, Niteroi 24020-140, Rio de Janeiro, Brazil; (A.T.N.N.A.); (J.M.G.); (M.D.C.-M.)
- Oral Diagnosis Department, Dentistry School, Fluminense Federal University, Niteroi 24020-140, Rio de Janeiro, Brazil
| | - Rafael Cury Cecato
- Implant Dentistry Center for Education and Research on Dental Implants (CEPID), Department of Dentistry, Federal University of Santa Catarina (UFSC), Florianópolis 88000-000, Santa Catarina, Brazil;
| | - Marcelo José Uzeda
- Oral Surgery Department, Dentistry School, Fluminense Federal University, Niteroi 24020-140, Rio de Janeiro, Brazil; (S.C.S.); (R.F.d.B.R.); (M.J.U.)
- Laboratory for Clinical Research in Dentistry, Dentistry School, Fluminense Federal University, Niteroi 24020-140, Rio de Janeiro, Brazil; (A.T.N.N.A.); (J.M.G.); (M.D.C.-M.)
- Oral Surgery Department, Dentistry School, Iguaçu University, Nova Iguaçu 26275-580, Rio de Janeiro, Brazil
| | - Jose Mauro Granjeiro
- Laboratory for Clinical Research in Dentistry, Dentistry School, Fluminense Federal University, Niteroi 24020-140, Rio de Janeiro, Brazil; (A.T.N.N.A.); (J.M.G.); (M.D.C.-M.)
- National Institute of Metrology, Quality and Technology (INMETRO), Duque de Caxias 25000-000, Rio de Janeiro, Brazil
| | - Monica Diuana Calasans-Maia
- Laboratory for Clinical Research in Dentistry, Dentistry School, Fluminense Federal University, Niteroi 24020-140, Rio de Janeiro, Brazil; (A.T.N.N.A.); (J.M.G.); (M.D.C.-M.)
| | - Jose Albuquerque Calasans-Maia
- Laboratory for Clinical Research in Dentistry, Dentistry School, Fluminense Federal University, Niteroi 24020-140, Rio de Janeiro, Brazil; (A.T.N.N.A.); (J.M.G.); (M.D.C.-M.)
- Orthodontic Department, Dentistry School, Fluminense Federal University, Niteroi 24020-140, Rio de Janeiro, Brazil
- Correspondence: ; Tel.: +55-21-981535874
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Shariati A, Chegini Z, Ghaznavi-Rad E, Zare EN, Hosseini SM. PLGA-Based Nanoplatforms in Drug Delivery for Inhibition and Destruction of Microbial Biofilm. Front Cell Infect Microbiol 2022; 12:926363. [PMID: 35800390 PMCID: PMC9253276 DOI: 10.3389/fcimb.2022.926363] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Accepted: 05/23/2022] [Indexed: 12/12/2022] Open
Abstract
The biofilm community of microorganisms has been identified as the dominant mode of microbial growth in nature and a common characteristic of different microorganisms such as Pseudomonas aeruginosa, Staphylococcus aureus, and Staphylococcus epidermidis. The biofilm structure helps in the protection from environmental threats including host immune system and antimicrobial agents. Thus, the biofilm community has led to a higher prevalence of multidrug-resistant (MDR) strains in recent years. In this regard, the use of a new class of antibiotics, natural compounds, and anti-biofilm enzymes has been considered for the destruction of the microbial biofilm. However, different drawbacks such as low penetration, high susceptibility to degradation, instability, and poor solubility in aqueous solutions limit the use of anti-biofilm agents (ABAs) in a clinical setting. As such, recent studies have been using poly lactic-co-glycolic acid (PLGA)-based nanoplatforms (PLGA NPFs) for delivery of ABAs that have reported promising results. These particles, due to proper drug loading and release kinetics, could suppress microbial attachment, colonization, and biofilm formation for a long time. Additionally, PLGA NPFs, because of the high drug-loading efficiencies, hydrophilic surface, negative charge, and electrostatic interaction, lead to effective penetration of antibiotics to the deeper layer of the biofilm, thereby eliminating the microbial biofilm. Thus, PLGA NPFs could be considered as a potential candidate for coating catheters and other medical material surfaces for inhibition and destruction of the microbial biofilm. However, the exact interaction of PLGA NPFs and the microbial biofilm should be evaluated in animal studies. Additionally, a future goal will be to develop PLGA formulations as systems that can be used for the treatment of the MDR microbial biofilm, since the exact interactions of PLGA NPFs and these biofilm structures are not elucidated. In the present review article, we have discussed various aspects of PLGA usage for inhibition and destruction of the microbial biofilm along with different methods and procedures that have been used for improving PLGA NPF efficacy against the microbial biofilm.
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Affiliation(s)
- Aref Shariati
- Molecular and Medicine Research Center, Khomein University of Medical Sciences, Khomein, Iran
| | - Zahra Chegini
- Department of Microbiology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Ehsanollah Ghaznavi-Rad
- Department of Microbiology, Faculty of Medicine, Arak University of Medical Sciences, Arak, Iran
| | | | - Seyed Mostafa Hosseini
- Department of Microbiology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
- *Correspondence: Seyed Mostafa Hosseini,
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