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Zhang H, Li Y, Fu Y, Jiao H, Wang X, Wang Q, Zhou M, Yong YC, Liu J. A structure-functionality insight into the bioactivity of microbial polysaccharides toward biomedical applications: A review. Carbohydr Polym 2024; 335:122078. [PMID: 38616098 DOI: 10.1016/j.carbpol.2024.122078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 03/16/2024] [Accepted: 03/18/2024] [Indexed: 04/16/2024]
Abstract
Microbial polysaccharides (MPs) are biopolymers secreted by microorganisms such as bacteria and fungi during their metabolic processes. Compared to polysaccharides derived from plants and animals, MPs have advantages such as wide sources, high production efficiency, and less susceptibility to natural environmental influences. The most attractive feature of MPs lies in their diverse biological activities, such as antioxidative, anti-tumor, antibacterial, and immunomodulatory activities, which have demonstrated immense potential for applications in functional foods, cosmetics, and biomedicine. These bioactivities are precisely regulated by their sophisticated molecular structure. However, the mechanisms underlying this precise regulation are not yet fully understood and continue to evolve. This article presents a comprehensive review of the most representative species of MPs, including their fermentation and purification processes and their biomedical applications in recent years. In particular, this work presents an in-depth analysis into the structure-activity relationships of MPs across multiple molecular levels. Additionally, this review discusses the challenges and prospects of investigating the structure-activity relationships, providing valuable insights into the broad and high-value utilization of MPs.
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Affiliation(s)
- Hongxing Zhang
- Biofuels Institute, School of Environment and Safety Engineering, c/o School of Emergency Management, Jiangsu University, Zhenjiang 212013, China
| | - Yan Li
- Biofuels Institute, School of Environment and Safety Engineering, c/o School of Emergency Management, Jiangsu University, Zhenjiang 212013, China
| | - Yinyi Fu
- Biofuels Institute, School of Environment and Safety Engineering, c/o School of Emergency Management, Jiangsu University, Zhenjiang 212013, China; Jiangsu Collaborative Innovation Center of Technology and Material of Water Treatment, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Haixin Jiao
- Biofuels Institute, School of Environment and Safety Engineering, c/o School of Emergency Management, Jiangsu University, Zhenjiang 212013, China
| | - Xiangyu Wang
- Biofuels Institute, School of Environment and Safety Engineering, c/o School of Emergency Management, Jiangsu University, Zhenjiang 212013, China
| | - Qianqian Wang
- Biofuels Institute, School of Environment and Safety Engineering, c/o School of Emergency Management, Jiangsu University, Zhenjiang 212013, China
| | - Mengbo Zhou
- Biofuels Institute, School of Environment and Safety Engineering, c/o School of Emergency Management, Jiangsu University, Zhenjiang 212013, China
| | - Yang-Chun Yong
- Biofuels Institute, School of Environment and Safety Engineering, c/o School of Emergency Management, Jiangsu University, Zhenjiang 212013, China; Jiangsu Collaborative Innovation Center of Technology and Material of Water Treatment, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Jun Liu
- Biofuels Institute, School of Environment and Safety Engineering, c/o School of Emergency Management, Jiangsu University, Zhenjiang 212013, China; Jiangsu Collaborative Innovation Center of Technology and Material of Water Treatment, Suzhou University of Science and Technology, Suzhou 215009, China.
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Alsalhi A. Applications of selected polysaccharides and proteins in dentistry: A review. Int J Biol Macromol 2024; 260:129215. [PMID: 38185301 DOI: 10.1016/j.ijbiomac.2024.129215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 12/18/2023] [Accepted: 01/02/2024] [Indexed: 01/09/2024]
Abstract
In the last ten years, remarkable characteristics and a variety of functionalities have been created in biopolymeric materials for clinical dental applications. This review gives an overview of current knowledge of natural biopolymers (biological macromolecules) in terms of structural, functional, and property interactions. Natural biopolymers such as polysaccharides (chitosan, bacterial cellulose, hyaluronic acid, and alginate) and polypeptides (collagen and silk fibroin) have been discussed for dental uses. These biopolymers exhibit excellent properties alone and when employed with other composite molecules making them ideal for treatment of periodontitis, endodontics, dental pulp regeneration and oral wound healing. These biopolymers together with the composite materials exhibit better biocompatibility, inertness, elasticity and flexibility which makes them a leading candidate to be used for other dental applications like caries management, oral appliances, dentures, dental implants and oral surgeries.
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Affiliation(s)
- Abdullah Alsalhi
- Department of Pharmaceutics, College of Pharmacy, Jazan University, P.O. Box 114, Jazan 45142, Saudi Arabia.
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Doğan SSA, Karakan NC, Doğan Ö. Effects of topically administered 0.6% hyaluronic acid on the healing of labial frenectomy in conventional and 940-nm indium gallium arsenide phosphide (InGaAsP) diode laser techniques in pediatric patients: a randomized, placebo-controlled clinical study. Lasers Med Sci 2024; 39:48. [PMID: 38279075 PMCID: PMC10817992 DOI: 10.1007/s10103-024-03983-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 01/07/2024] [Indexed: 01/28/2024]
Abstract
This study aimed to investigate the effects of 0.6% hyaluronic acid (HA) gel on the healing process and postoperative pain levels after diode laser-assisted labial frenectomy in pediatric patients. Ninety-six pediatric patients (females, 50 and males, 46) aged 8-14 years were randomly divided into four groups as follows: (1) conventional frenectomy with 0.6% topically administered HA (CFH, n = 24); (2) conventional frenectomy with placebo gel (CFP, n = 24); (3) frenectomy performed by diode laser with 0.6% topically administered HA (DLH, n = 24); and (4) frenectomy performed by diode laser with placebo gel (DLP, n = 24). HA application was continued for 1 week thrice daily after the frenectomy. Visual analog scale forms were collected from patients 1 week after the operation. In addition, the plaque index, gingival index, periodontal probing depth, and keratinized tissue width and thickness were recorded. This process was repeated 1 and 3 months after the first visit. The DLH group revealed significant differences in the probing depth, bleeding on probing, keratinized gingiva width, and attached gingiva width according to dual comparisons of the initial, first, and third-month values (p = 0.010, p = 0.007, p<0.001, and p = 0.001, respectively). Significant differences were observed between the CFP and CFH groups according to the initial and initial third-month values with regard to the bleeding on probing (p=0.019 and p = 0.019, respectively). The attached gingival thickness revealed significant differences between the CFP and CFH groups for the initial and initial-third-month comparisons (p = 0.005 and p = 0.007, respectively). The mean values of the initial and initial-third-month differences were significantly higher in the CFH group than those in the CFP group. HA- and laser-assisted labial frenectomies revealed better outcomes in terms of the probing depth, attached gingiva width, keratinized gingiva width, healing process, and postoperative comfort.
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Affiliation(s)
- Suat Serhan Altintepe Doğan
- Department of Periodontology, Faculty of Dentistry, Afyonkarahisar Health Sciences University, Güvenevler Mahallesi, İsmet İnönü St., No. 4, 03030, Afyonkarahisar, Turkey.
| | - Nebi Cansın Karakan
- Department of Periodontology, Faculty of Dentistry, Afyonkarahisar Health Sciences University, Güvenevler Mahallesi, İsmet İnönü St., No. 4, 03030, Afyonkarahisar, Turkey
| | - Özgür Doğan
- Department of Periodontology, Faculty of Dentistry, Afyonkarahisar Health Sciences University, Güvenevler Mahallesi, İsmet İnönü St., No. 4, 03030, Afyonkarahisar, Turkey
- Deparment Of Pediatric Dentistry, Faculty of Dentistry, Afyonarahisar Health Sciences University, Afyonkarahisar, Turkey
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Silva ALM, de Souza JAC, Nogueira TE. Postoperative local interventions for the palate as a gingival graft donor area: a scoping review. Clin Oral Investig 2023; 27:6971-7006. [PMID: 37851129 DOI: 10.1007/s00784-023-05296-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Accepted: 09/27/2023] [Indexed: 10/19/2023]
Abstract
OBJECTIVE This scoping review aimed to systematically identify evidence-based interventions to stimulate healing or protect the harvested palate of patients undergoing gingival grafting. MATERIAL AND METHODS The study followed guidelines from the Joanna Briggs Institute and PRISMA-ScR (protocol available at osf.io/zhafn). PubMed, Embase, and seven other databases were searched on November 2022, with additional monitoring until April 2023. The inclusion criteria focused on studies evaluating outcomes related to the donor area (palate) and interventions for healing or protecting it, regardless of publication year and language. Data from the included publications was extracted and presented through narrative text, tables, and figures. RESULTS Eighty-one studies (including 64 clinical trials, four case series, five theses, and eight systematic reviews) and 37 clinical trial records were included. The number of studies on this topic has significantly increased, reflecting a growing interest in the field. Thirty-six interventions with published results and 12 interventions with unpublished results from clinical trial registers were identified. Some promising interventions that showed potential for improving patient-reported outcomes include cyanoacrylate adhesive, platelet-rich fibrin (PRF), and the combination of palatal stents and healing agents. CONCLUSIONS Thirty-six interventions with published results were identified for postoperative use on the harvested palate, showing varying levels of evidence and conflicting effectiveness for specific outcomes. CLINICAL RELEVANCE Postoperative discomfort and pain in the palate are commonly experienced by patients undergoing grafting procedures using this region as the donor area. Awareness of the available options and their levels of evidence is crucial for informed decision-making.
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Affiliation(s)
- Ana Luiza Mustafé Silva
- Faculty of Dentistry, Postgraduate Program in Dentistry, Universidade Federal de Goiás, CEP, Goiânia, Goiás, 74605-220, Brazil
| | - João Antônio Chaves de Souza
- Faculty of Dentistry, Postgraduate Program in Dentistry, Universidade Federal de Goiás, CEP, Goiânia, Goiás, 74605-220, Brazil
| | - Túlio Eduardo Nogueira
- Faculty of Dentistry, Postgraduate Program in Dentistry, Universidade Federal de Goiás, CEP, Goiânia, Goiás, 74605-220, Brazil.
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Lim KO, Lee WP. Technical Note on Vestibuloplasty around Dental Implants Using Erbium YAG Laser-Assisted Periosteal Fenestration (LA-PF). MEDICINA (KAUNAS, LITHUANIA) 2023; 59:1884. [PMID: 37893601 PMCID: PMC10608517 DOI: 10.3390/medicina59101884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 10/17/2023] [Accepted: 10/19/2023] [Indexed: 10/29/2023]
Abstract
Various vestibuloplasty techniques have been reported to increase the attached mucosa (AM) and vestibular depth around dental implants. However, these surgical methods have disadvantages, such as limitations in manipulation, necessity of suturing, postoperative discomfort, swelling, and pain. This study aimed to evaluate the efficacy of laser-assisted periosteal fenestration (LA-PF) in treating patients with a shallow vestibule and insufficient AM around dental implants. LA-PF was performed using an Erbium YAG laser (Er:YAG laser). First, a partial-thickness, apically positioned flap was used. A horizontal periosteal fenestration was performed using an Er:YAG laser to expose the bones. Periosteal suturing was not required. After 12 months, sufficient AM and deep vestibules were obtained and maintained. Thus, the LA-PF technique may be a simple and predictable treatment modality for shallow vestibules with insufficient AM around dental implants.
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Affiliation(s)
| | - Won-Pyo Lee
- Department of Periodontology, School of Dentistry, Chosun University, Gwangju 61452, Republic of Korea;
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