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Paiva DL, Oliveira VR, Bagnato VS, Simões A. Long-term survival of cancer patients after photobiomodulation therapy for prevention and treatment of oral mucositis. Photodiagnosis Photodyn Ther 2024; 48:104248. [PMID: 38944404 DOI: 10.1016/j.pdpdt.2024.104248] [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: 09/11/2023] [Revised: 05/28/2024] [Accepted: 06/12/2024] [Indexed: 07/01/2024]
Abstract
BACKGROUND Photobiomodulation therapy (PBMT) has been employed for the prevention and treatment of oral mucositis in patients with head and neck cancer undergoing treatment. However, information about the survival of patients receiving PBMT is still lacking. Therefore, the aim of this study was to correlate the survival of patients who either received or did not receive PBMT, combined with cancer treatments, and to assess whether the number of PBMT sessions had a positive impact on survival. METHODS The records of 751 patients seen at Hospital de Caridade São Vicente de Paulo diagnosed with head and neck cancer, treated by D.L.P., the sole operator of PBMT, between 2000 and 2016, were analyzed. The median survival rates were compared by analyzing diagnostic staging, the combination of cancer treatments, and the number of PBMT sessions. Correlation analyses were performed to assess the interactions between the number of PBMT sessions and survival. RESULTS PBMT increased survival by 55.14 %, from 1.07 (Without PBMT) to 1.66 years (With PBMT) for the total population and more significantly in Group 41 (stages III and IV, radiation therapy/chemotherapy, with more than five PBMT sessions), the median survival value of 1.83 years, which represents a 66.36 % higher survival rate. In all the analyzed populations, the larger number of sessions was associated with better survival. In terms of survival, advanced stages III and IV almost equated with stages I and II in the absence of PBMT. CONCLUSIONS PBMT seems to interfere with the survival of patients with head and neck cancer, corroborating its recommendation for the treatment of mucositis, but further research is needed to investigate possible synergistic effects between PBMT and cancer treatments.
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Affiliation(s)
- Deise Luciane Paiva
- Biomaterials and Oral Biology Department, School of Dentistry, University of São Paulo, Av. Prof. Lineu Prestes, 2227, Cidade Universitária, 05508-000, São Paulo, SP, Brazil.
| | | | - Vanderlei Salvador Bagnato
- São Carlos Institute of Physics, University of São Paulo, Av. Trab. São Carlense,400, Parque Arnold Schimidt,13566-590, São Carlos, Brazil. BME-Texas A&M University - College Station TX USA.
| | - Alyne Simões
- Biomaterials and Oral Biology Department, School of Dentistry (FOUSP-São Paulo), Av. Prof.Lineu Prestes, 2227, Cidade Universitária, 05508-000, São Paulo, SP, Brazil.
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Chen C, Wang X, Li Y, Zhao T, Wang H, Gao Y, Feng Y, Wang J, Shang L, Wang Y, Zhao B, Dong W. Hypobaric hypoxia causes low fecundity in zebrafish parents and impairment of skeletal development in zebrafish embryos and rat offspring. Reprod Toxicol 2024; 127:108603. [PMID: 38759877 DOI: 10.1016/j.reprotox.2024.108603] [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: 12/09/2023] [Revised: 04/29/2024] [Accepted: 04/30/2024] [Indexed: 05/19/2024]
Abstract
Hypobaric Hypoxia (HH) negatively affects the cardiovascular and respiratory systems as well as gonadal development and the therefore next generation. This study investigated the effects of HH on zebrafish and SD rats, by exposing them to a low-pressure environment at 6000 m elevation for 30 days to simulate high-altitude conditions. It was indicated that parental zebrafish reared amh under HH had increased embryo mortality, reduced hatchability, and abnormal cartilage development in the offspring. Furthermore, the HH-exposed SD rats had fewer reproductive cells and smaller litters. Moreover, the transcriptome analysis revealed the down-regulation of steroid hormone biosynthesis pathways. The expression of the gonad-associated genes (amh, pde8a, man2a2 and lhcgr), as well as the gonad and cartilage-related gene bmpr1a, were also down-regulated. In addition, Western blot analysis validated reduced bmpr1a protein expression in the ovaries of HH-treated rats. In summary, these data indicate the negative impact of HH on reproductive organs and offspring development, emphasizing the need for further research and precautions to protect future generations' health.
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Affiliation(s)
- Chaobao Chen
- State Key Laboratory of Toxicology and Medical Countermeasures, Institute of Pharmacology and Toxicology, Academy of Military Medical Sciences, Beijing 100850, China; Inner Mongolia Key Laboratory of Toxicant Monitoring and Toxicology, College of Animal Science and Technology, Inner Mongolia Minzu University, Tongliao 028000, China
| | - Xin Wang
- Department of Obstetrics and Gynecology, The Seventh Medical Center of Chinese PLA General Hospital, Beijing 100700, China
| | - Yajuan Li
- State Key Laboratory of Toxicology and Medical Countermeasures, Institute of Pharmacology and Toxicology, Academy of Military Medical Sciences, Beijing 100850, China
| | - Tianwei Zhao
- State Key Laboratory of Toxicology and Medical Countermeasures, Institute of Pharmacology and Toxicology, Academy of Military Medical Sciences, Beijing 100850, China
| | - Huan Wang
- Inner Mongolia Key Laboratory of Toxicant Monitoring and Toxicology, College of Animal Science and Technology, Inner Mongolia Minzu University, Tongliao 028000, China
| | - Yunqi Gao
- Inner Mongolia Key Laboratory of Toxicant Monitoring and Toxicology, College of Animal Science and Technology, Inner Mongolia Minzu University, Tongliao 028000, China
| | - Yuanzhou Feng
- State Key Laboratory of Toxicology and Medical Countermeasures, Institute of Pharmacology and Toxicology, Academy of Military Medical Sciences, Beijing 100850, China
| | - Jing Wang
- Department of Obstetrics and Gynecology, The Seventh Medical Center of Chinese PLA General Hospital, Beijing 100700, China
| | - Lixin Shang
- Department of Obstetrics and Gynecology, The Seventh Medical Center of Chinese PLA General Hospital, Beijing 100700, China
| | - Yongan Wang
- State Key Laboratory of Toxicology and Medical Countermeasures, Institute of Pharmacology and Toxicology, Academy of Military Medical Sciences, Beijing 100850, China
| | - Baoquan Zhao
- State Key Laboratory of Toxicology and Medical Countermeasures, Institute of Pharmacology and Toxicology, Academy of Military Medical Sciences, Beijing 100850, China.
| | - Wu Dong
- Inner Mongolia Key Laboratory of Toxicant Monitoring and Toxicology, College of Animal Science and Technology, Inner Mongolia Minzu University, Tongliao 028000, China.
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Poorna TA, Joshna EK, Alagarsamy R, Pangarikar A, Quraishi SSA. Role of Photodynamic Therapy in Osteonecrosis and Osteoradionecrosis of the Jaws: A Systematic Review. J Maxillofac Oral Surg 2024; 23:1003-1012. [PMID: 39118917 PMCID: PMC11303356 DOI: 10.1007/s12663-024-02127-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Accepted: 01/24/2024] [Indexed: 08/10/2024] Open
Abstract
Aim Photodynamic therapy (PDT) is a minimally invasive treatment modality that has been used clinically for early stage and inoperable cancers. Successful use of this atraumatic therapy in osteoradionecrosis (ORN) and osteonecrosis of the jaws (ONJ) has been documented in the literature. The aim of this review was to systematically evaluate the role of photodynamic therapy in ORN and ONJ. Methods Two independent reviewers conducted an elaborate search in PubMed, Google Scholar and Cochrane's CENTRAL database for studies published on PDT as stand-alone or adjuvant therapy in ORN/ONJ until June 2022. The present study was based on Preferred Reporting Items for Systematic Reviews and Meta-Analyses. Demographic data, type and stage of necrosis of the jaws, site, PDT protocol, time to heal and follow-up were evaluated. Eighteen articles were included totally based on the inclusion and exclusion criteria for final analysis. Results A total of 94 patients were included in the present review out of which 36 were males and 58 were females. Five studies reported the use of PDT as an adjuvant therapy in ORN. Thirteen studies reported successful outcomes with PDT in ONJ. Complete epithelialization was achieved with PDT ± other adjuvants in 86/94 (91.48%) patients. The time taken for regression of the lesion ranged between 4 days and 12 months with PDT in the present study. Conclusion The reviewed studies demonstrate the effectiveness of PDT, as an adjuvant therapy, in managing various stages of ORN and ONJ.
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Affiliation(s)
- T. Anish Poorna
- Department of Dentistry, Government Medical College and Hospital, Chandigarh, India
| | - E. K. Joshna
- Department of Oral and Maxillofacial Surgery, Maulana Azad Institute of Dental Sciences, New Delhi, India
| | - Ragavi Alagarsamy
- Department of Burns, Plastic and Maxillofacial Surgery, VMMC and Safdarjung Hospital, New Delhi, India
| | - Anunay Pangarikar
- Department of Oral and Maxillofacial Surgery, ESIC Dental College and Hospital, Kalaburagi, Karnataka India
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Hanna R, Miron IC, Dalvi S, Arany P, Bensadoun RJ, Benedicenti S. A Systematic Review of Laser Photobiomodulation Dosimetry and Treatment Protocols in the Management of Medications-Related Osteonecrosis of the Jaws: A Rationalised Consensus for Future Randomised Controlled Clinical Trials. Pharmaceuticals (Basel) 2024; 17:1011. [PMID: 39204116 PMCID: PMC11357434 DOI: 10.3390/ph17081011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2024] [Revised: 07/19/2024] [Accepted: 07/23/2024] [Indexed: 09/03/2024] Open
Abstract
Medication-related osteonecrosis of the jaw (MRONJ) is a debilitating adverse effect of bisphosphates, antiresorptive therapy or antiangiogenic agents that can potentially increase oxidative stress, leading to progressive osteonecrosis of the jaws. Despite the large number of published systematic reviews, there is a lack of potential MRONJ treatment protocols utilising photobiomodulation (PBM) as a single or adjunct therapy for preventive or therapeutic oncology or non-oncology cohort. Hence, this systematic review aimed to evaluate PBM laser efficacy and its dosimetry as a monotherapy or combined with the standard treatments for preventive or therapeutic approach in MRONJ management. The objectives of the review were as follows: (1) to establish PBM dosimetry and treatment protocols for preventive, therapeutic or combined approaches in MRONJ management; (2) to highlight and bridge the literature gaps in MRONJ diagnostics and management; and (3) to suggest rationalised consensus recommendations for future randomised controlled trials (RCTs) through the available evidence-based literature. This review was conducted according to the PRISMA guidelines, and the protocol was registered at PROSPERO under the ID CRD42021238175. A multi-database search was performed to identify articles of clinical studies published from their earliest records until 15 December 2023. The data were extracted from the relevant papers and analysed according to the outcomes selected in this review. In total, 12 out of 126 studies met the eligibility criteria. The striking inconsistent conclusions made by the various authors of the included studies were due to the heterogeneity in the methodology, diagnostic criteria and assessment tools, as well as in the reported outcomes, made it impossible to conduct a meta-analysis. PBM as a single or adjunct treatment modality is effective for MRONJ preventive or therapeutic management, but it was inconclusive to establish a standardised and replicable protocol due to the high risk of bias in a majority of the studies, but it was possible to extrapolate the PBM dosimetry of two studies that were close to the WALT recommended parameters. In conclusion, the authors established suggested rationalised consensus recommendations for future well-designed robust RCTs, utilising PBM as a monotherapy or an adjunct in preventive or therapeutic approach of MRONJ in an oncology and non-oncology cohort. This would pave the path for standardised PBM dosimetry and treatment protocols in MRONJ management.
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Affiliation(s)
- Reem Hanna
- Department of Restorative Dental Sciences, UCL-Eastman Dental Institute, Medical Faculty, University College London, London WC1E 6DE, UK
- Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, 16132 Genoa, Italy; (I.C.M.); (S.D.); (S.B.)
| | - Ioana Cristina Miron
- Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, 16132 Genoa, Italy; (I.C.M.); (S.D.); (S.B.)
| | - Snehal Dalvi
- Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, 16132 Genoa, Italy; (I.C.M.); (S.D.); (S.B.)
- Department of Periodontology, Swargiya Dadasaheb Kalmegh Smruti Dental College and Hospital, Nagpur 440001, India
| | - Praveen Arany
- Department of Oral Biology ad Biomedical Engineering, University of Buffalo, Buffalo, NY 14215, USA;
| | | | - Stefano Benedicenti
- Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, 16132 Genoa, Italy; (I.C.M.); (S.D.); (S.B.)
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Otto S, Shreeja S, Kakoschke SC, Albittar MM, Widenhorn A, Kakoschke TK. Pre- and Post-Operative Quality of Life in Patients with Osteoradionecrosis of the Jaw. Cancers (Basel) 2024; 16:2256. [PMID: 38927961 PMCID: PMC11201672 DOI: 10.3390/cancers16122256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2024] [Revised: 06/02/2024] [Accepted: 06/07/2024] [Indexed: 06/28/2024] Open
Abstract
Osteoradionecrosis of the jaw (ORNJ) is a feared complication following radiation therapy performed for oncological treatment of head and neck cancers (HNC). To date, there is no clear evidence regarding the impact of surgical treatment of ORNJ on the quality of life (QoL) of affected patients. However, understanding the significance of the surgical treatment approach and its effects on QoL is an essential factor in the decision-making process for optimal, individualized therapy. In this prospective clinical study, QoL was assessed in relation to health related QoL (HRQoL) and oral health related QoL (OHQoL) before and after surgical treatment of ORNJ using standardized questionnaires (EORTC QLQ-C30, QLQ-HN35, OHIP-14). The overall QoL scores as well as individual domains of the collected scales regarding functional and symptom-related complaints were statistically analyzed. Subgroups concerning age, gender, different risk factors and type of ORNJ therapy were compared using Kruskal Wallis test. In addition, clinical and demographic patient data were collected and analyzed. QoL improvement correlated with the type of surgical ORNJ and the length of hospitalization. Better QoL scores were achieved post-operatively regarding different symptoms like pain, swallowing and mouth opening. Long-term effects of radiation therapy remained visibly restrictive to QoL and worsen over time.
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Affiliation(s)
- Sven Otto
- Department of Oral and Maxillofacial Surgery and Facial Plastic Surgery, University Hospital, LMU Munich, Lindwurmstrasse 2a, 80337 Munich, Germany; (S.O.)
| | - Shreeja Shreeja
- Department of Oral and Maxillofacial Surgery and Facial Plastic Surgery, University Hospital, LMU Munich, Lindwurmstrasse 2a, 80337 Munich, Germany; (S.O.)
- Deggendorf Institute of Technology, European Campus Rottal-Inn, Max-Breiherr-Strasse 32, 84347 Pfarrkirchen, Germany;
| | - Sara Carina Kakoschke
- Department of Oral and Maxillofacial Surgery and Facial Plastic Surgery, University Hospital, LMU Munich, Lindwurmstrasse 2a, 80337 Munich, Germany; (S.O.)
- Department of General, Visceral, and Transplant Surgery, University Hospital, LMU Munich, Marchioninistrasse 15, 81337 Munich, Germany
| | - Mohammed Michael Albittar
- Department of Oral and Maxillofacial Surgery and Facial Plastic Surgery, University Hospital, LMU Munich, Lindwurmstrasse 2a, 80337 Munich, Germany; (S.O.)
| | - Andreas Widenhorn
- Deggendorf Institute of Technology, European Campus Rottal-Inn, Max-Breiherr-Strasse 32, 84347 Pfarrkirchen, Germany;
- Economics and Quantitative Methods Department, International School of Management, Karlstrasse 35, 80333 Munich, Germany
| | - Tamara Katharina Kakoschke
- Department of Oral and Maxillofacial Surgery and Facial Plastic Surgery, University Hospital, LMU Munich, Lindwurmstrasse 2a, 80337 Munich, Germany; (S.O.)
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Peterson DE, Koyfman SA, Yarom N, Lynggaard CD, Ismaila N, Forner LE, Fuller CD, Mowery YM, Murphy BA, Watson E, Yang DH, Alajbeg I, Bossi P, Fritz M, Futran ND, Gelblum DY, King E, Ruggiero S, Smith DK, Villa A, Wu JS, Saunders D. Prevention and Management of Osteoradionecrosis in Patients With Head and Neck Cancer Treated With Radiation Therapy: ISOO-MASCC-ASCO Guideline. J Clin Oncol 2024; 42:1975-1996. [PMID: 38691821 DOI: 10.1200/jco.23.02750] [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: 12/20/2023] [Accepted: 01/22/2024] [Indexed: 05/03/2024] Open
Abstract
PURPOSE To provide evidence-based recommendations for prevention and management of osteoradionecrosis (ORN) of the jaw secondary to head and neck radiation therapy in patients with cancer. METHODS The International Society of Oral Oncology-Multinational Association for Supportive Care in Cancer (ISOO-MASCC) and ASCO convened a multidisciplinary Expert Panel to evaluate the evidence and formulate recommendations. PubMed, EMBASE, and Cochrane Library databases were searched for randomized controlled trials and observational studies, published between January 1, 2009, and December 1, 2023. The guideline also incorporated systematic reviews conducted by ISOO-MASCC, which included studies published from January 1, 1990, through December 31, 2008. RESULTS A total of 1,539 publications were initially identified. There were 487 duplicate publications, resulting in 1,052 studies screened by abstract, 104 screened by full text, and 80 included for systematic review evaluation. RECOMMENDATIONS Due to limitations of available evidence, the guideline relied on informal consensus for some recommendations. Recommendations that were deemed evidence-based with strong evidence by the Expert Panel were those pertaining to best practices in prevention of ORN and surgical management. No recommendation was possible for the utilization of leukocyte- and platelet-rich fibrin or photobiomodulation for prevention of ORN. The use of hyperbaric oxygen in prevention and management of ORN remains largely unjustified, with limited evidence to support its practice.Additional information is available at www.asco.org/head-neck-cancer-guidelines.
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Affiliation(s)
| | | | - Noam Yarom
- Sheba Medical Center, Tel Hashomer, Israel
- Tel Aviv University, Tel Aviv, Israel
| | - Charlotte Duch Lynggaard
- Department of Otolaryngology, Head and Neck Surgery and Audiology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | | | - Lone E Forner
- Department of Oral and Maxillofacial Surgery, Zealand University Hospital, Køge, Denmark
| | | | - Yvonne M Mowery
- UPMC Hillman Cancer Center, Pittsburgh, PA
- University of Pittsburgh, Pittsburgh, PA
| | | | - Erin Watson
- Department of Dental Oncology, Princess Margaret Cancer Center/Faculty of Dentistry, University of Toronto, Toronto, Canada
| | - David H Yang
- BC Cancer/University of British Columbia, Vancouver, Canada
| | - Ivan Alajbeg
- University of Zagreb School of Dental Medicine, Zagreb, Croatia
| | - Paolo Bossi
- Department of Biomedical Sciences, Humanitas University, Milan, Italy
- IRCCS Humanitas Research Hospital, Milan, Italy
| | | | - Neal D Futran
- University of Washington School of Medicine, Seattle, WA
| | | | - Edward King
- Northern Colorado Head and Neck Cancer Support Group, Windsor, CO
| | - Salvatore Ruggiero
- New York Center for Orthognathic and Maxillofacial Surgery, New York, NY
| | | | | | - Jonn S Wu
- BC Cancer/University of British Columbia, Vancouver, Canada
| | - Deborah Saunders
- Health Sciences North Research Institute, Northern Ontario School of Medicine, Health Sciences North, Sudbury, Ontario, Canada
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Parra-Rojas S, Velázquez-Cayón RT, Borges-Gil A, Mejías-Torrus JL, Cassol-Spanemberg J. Oral Complications and Management Strategies for Cancer Patients: Principles of Supportive Oncology in Dentistry. Curr Oncol Rep 2024; 26:391-399. [PMID: 38502418 DOI: 10.1007/s11912-024-01518-5] [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] [Accepted: 03/08/2024] [Indexed: 03/21/2024]
Abstract
PURPOSE OF REVIEW It is recognized that patients undergoing cancer treatment experience different adverse effects depending on the type of therapy they received. The objective of this work is to provide a scientific evidence-based protocol for oral care in cancer patients. Cancer resection surgery, chemotherapy, and radiotherapy can cause important complications that impact patients' quality of life. RECENT FINDINGS Cancer patients, from the moment of diagnosis to the end of treatment and subsequent follow-up, have diverse care needs, both from a systemic and local point of view. The implementation of oral care protocols before, during, and after cancer therapy is essential because it helps to identify risk factors for the development of predictable oral complications. It is essential to establish that all cancer patients, before starting treatment, undergo a systematic dental check-up to avoid limitations during treatment and also alter their quality of life. Regular professional oral care maintenance and follow-up programs are essential to maintaining a patient's long-term oral health.
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Affiliation(s)
- Susell Parra-Rojas
- Department of Dentistry, Faculty of Health Sciences, Gran Canaria, Spain
| | - Rocío Trinidad Velázquez-Cayón
- Department of Dentistry, Oral Surgery, Faculty of Health Sciences, Universidad Fernando Pessoa Canarias, Gran Canaria, Spain
| | - Acorán Borges-Gil
- Department of Dentistry, Faculty of Health Sciences, Gran Canaria, Spain
| | | | - Juliana Cassol-Spanemberg
- Department of Dentistry, Oral Medicine and Public Health, Faculty of Health Sciences, Universidad Fernando Pessoa Canarias, Calle de La Juventud S/N, Santa María de Guía, Gran Canaria, 35450, Las Palmas, Spain.
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Mota ME, Marques MM, Moreira MS, Lascane NADS. Osteoradionecrosis in a Torus Mandibularis Treated by Antimicrobial Photodynamic Therapy: A Case Report. Photobiomodul Photomed Laser Surg 2024; 42:321-323. [PMID: 38536105 DOI: 10.1089/photob.2023.0173] [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] [Indexed: 04/26/2024] Open
Abstract
Background: Osteoradionecrosis (ORN) of the jaws is a late complication after radiotherapy to head and neck cancer. Objective: To describe a rare case of ORN of the torus mandibularis that was successfully managed exclusively with antimicrobial photodynamic therapy (aPDT). Case report: A 72-year-old man presented an exposed necrotic bone observed in the torus mandibularis, extending to the lingual alveolar ridge with no edema nor suppuration. The treatment provided a noninvasive treatment leading to spontaneous sequestrectomy of the torus in 2 weeks with complete mucosal repair in 5 weeks and absence of lesion signs and/or symptoms even after 6 months of follow-up. Conclusions: The aPDT indicated to be a satisfactory treatment for ORN affecting torus mandibularis, a region with surgical limitations, avoiding surgery.
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Affiliation(s)
- Maria Emília Mota
- Department of Stomatology, School of Dentistry, University of São Paulo, São Paulo, Brazil
| | - Marcia Martins Marques
- Department of Stomatology, School of Dentistry, University of São Paulo, São Paulo, Brazil
- AALZ, Sigmund Freud University, Wien, Austria
| | - Maria Stella Moreira
- Department of Stomatology, School of Dentistry, University of São Paulo, São Paulo, Brazil
- Department of Stomatology, A.C Camargo Cancer Center, São Paulo, Brazil
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9
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Zarzar AM, Sales PHDH, Barros AWP, Arreguy IMS, Carvalho AAT, Leão JC. Effectiveness of dental implants in patients undergoing radiotherapy for head and neck cancer: An umbrella review. SPECIAL CARE IN DENTISTRY 2024; 44:40-56. [PMID: 36852979 DOI: 10.1111/scd.12840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 12/17/2022] [Accepted: 02/12/2023] [Indexed: 03/01/2023]
Abstract
OBJECTIVE The objective of this overview is to evaluate the effectiveness of dental implants placed in patients who underwent radiotherapy for the treatment of head and neck cancer, as well as to assess the methodological quality of the included systematic reviews. METHODS The study was conducted in four PubMed, Lilacs, Dare Cochrane and Google Scholar databases until July 2022, using the descriptors "Radiotherapy," "Dental implants," and "Head and Neck Cancer." RESULTS 958 studies were found in the initial search and after applying the inclusion and exclusion criteria, fifteen systematic reviews were selected to compose this overview and had their methodological quality evaluated by the AMSTAR 2 tool. RESULTS 24,996 implants in 5487 patients were evaluated with a rate of success rate of 86.2% in patients who underwent radiotherapy and 95.2% in patients who did not undergo radiotherapy. Only one of the systematic reviews was of high quality according to AMSTAR 2. CONCLUSION Oral rehabilitation with dental implants in patients with a history of head and neck cancer undergoing radiotherapy is a valid therapy. However, given the level of evidence found, further studies with better design are necessary to provide greater confidence in the clinical decision.
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Affiliation(s)
- Adriana Machado Zarzar
- Department of Prosthesis and Oral and Maxillofacial Surgery, Dental School, Federal University of Pernambuco, Recife, Brazil
| | - Pedro Henrique da Hora Sales
- Department of Prosthesis and Oral and Maxillofacial Surgery, Dental School, Federal University of Pernambuco, Recife, Brazil
| | - Ana Waleska Pessoa Barros
- Department of Prosthesis and Oral and Maxillofacial Surgery, Dental School, Federal University of Pernambuco, Recife, Brazil
| | | | | | - Jair Carneiro Leão
- Department of Clinical and Preventive Dentistry, Dental School, Federal University of Pernambuco, Recife, Brazil
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10
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de Freitas LC, Kawamoto EL, Souza AMA, Kawakami PY, Gonçalves AS, Azevedo LH. Use of Phototherapy and Er-YAG Laser in the Management of Mandible Osteoradionecrosis: A Case Report. J Lasers Med Sci 2023; 14:e58. [PMID: 38144942 PMCID: PMC10746881 DOI: 10.34172/jlms.2023.58] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 10/07/2023] [Indexed: 12/26/2023]
Abstract
Introduction: Osteoradionecrosis (ORN) is a secondary complication from radiotherapy, which is difficult to manage and significantly reduces the life quality of the affected patients. Case Report: A 59-year-old female patient, diagnosed with infiltration by squamous cell carcinoma in the left cervical region, underwent adjuvant cervical-facial radiotherapy with a total dose of 66.6 Gy of radiation. Eight years after the diagnosis, the patient underwent multiple extractions and, subsequently, the installation of osseointegrated implants, evolving to extensive intraoral bone exposure associated with oral cutaneous fistula. The patient was initially exposed to photobiomodulation therapy (PBMT), with a low-power laser at wavelengths of 660 nm and 808 nm, and thereafter to antimicrobial photodynamic therapy (aPDT). After an improvement in the clinical condition and resolution of the oral cutaneous fistula, a surgical procedure with the Er: YAG laser was performed to remove the remaining necrotic bone. Once the ORN condition was completely treated, the patient's oral rehabilitation was implemented by the installation of an upper mucous-supported total prosthesis and a lower implant-supported prosthesis. Conclusion: The patient is in a clinical follow-up and has no signs of bone necrosis recurrence, suggesting that low and high-power laser treatment can be an effective therapeutic alternative to resolve this condition.
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Affiliation(s)
| | | | - Ana Maria Aparecida Souza
- Master’s Professional Program on Lasers in Dentistry, University of São Paulo, São Paulo, São Paulo, Brazil
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11
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Goh EZ, Beech N, Johnson NR, Batstone M. The dental management of patients irradiated for head and neck cancer. Br Dent J 2023; 234:800-804. [PMID: 37291302 PMCID: PMC10250190 DOI: 10.1038/s41415-023-5864-z] [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: 11/10/2022] [Revised: 02/10/2023] [Accepted: 03/03/2023] [Indexed: 06/10/2023]
Abstract
Patients undergoing radiotherapy for head and neck cancers are prone to a range of dental complications, including mucositis, trismus, xerostomia, radiation caries and osteoradionecrosis. Specific considerations include the preventive, restorative and rehabilitative management of such patients, and the prevention and treatment of complications. This article aims to highlight the current understanding and management of dental needs for patients who have had or will undergo radiotherapy.
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Affiliation(s)
- Elizabeth Z Goh
- Faculty of Medicine, University of Queensland, Brisbane, Queensland, Australia.
| | - Nicholas Beech
- Faculty of Medicine, University of Queensland, Brisbane, Queensland, Australia
| | - Nigel R Johnson
- Faculty of Medicine, University of Queensland, Brisbane, Queensland, Australia; School of Dentistry, University of Queensland, Brisbane, Queensland, Australia; Oral and Maxillofacial Department, Princess Alexandra Hospital, Brisbane, Queensland, Australia
| | - Martin Batstone
- Faculty of Medicine, University of Queensland, Brisbane, Queensland, Australia; Oral and Maxillofacial Department, Royal Brisbane and Women´s Hospital, Brisbane, Queensland, Australia
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Owosho AA, DeColibus K, Hedgepeth B, Wood BC, Sansoni RE, Gleysteen JP, Schwartz DL. The Role of Dental Practitioners in the Management of Oncology Patients: The Head and Neck Radiation Oncology Patient and the Medical Oncology Patient. Dent J (Basel) 2023; 11:dj11050136. [PMID: 37232787 DOI: 10.3390/dj11050136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 04/12/2023] [Accepted: 05/15/2023] [Indexed: 05/27/2023] Open
Abstract
This narrative review addresses the role of a dentist in the management of oncology patients, highlighting the oral complications that arise in head and neck radiation oncology patients and medical oncology patients. The prevention and management of these complications are discussed.
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Affiliation(s)
- Adepitan A Owosho
- Department of Diagnostic Sciences, College of Dentistry, The University of Tennessee Health Sciences Center, Memphis, TN 38163, USA
- Department of Otolaryngology-Head & Neck Surgery, College of Medicine, The University of Tennessee Health Sciences Center, Memphis, TN 38163, USA
| | - Katherine DeColibus
- Division of Oral Diagnosis, Department of Diagnostic Sciences, College of Dentistry, The University of Tennessee Health Sciences Center, Memphis, TN 38163, USA
| | - Beverly Hedgepeth
- Division of Oral Diagnosis, Department of Diagnostic Sciences, College of Dentistry, The University of Tennessee Health Sciences Center, Memphis, TN 38163, USA
| | - Burton C Wood
- Department of Otolaryngology-Head & Neck Surgery, College of Medicine, The University of Tennessee Health Sciences Center, Memphis, TN 38163, USA
| | - Ritter E Sansoni
- Department of Otolaryngology-Head & Neck Surgery, College of Medicine, The University of Tennessee Health Sciences Center, Memphis, TN 38163, USA
| | - John P Gleysteen
- Department of Otolaryngology-Head & Neck Surgery, College of Medicine, The University of Tennessee Health Sciences Center, Memphis, TN 38163, USA
- Division of Head and Neck Surgical Oncology, The University of Tennessee Health Sciences Center, Memphis, TN 38163, USA
| | - David L Schwartz
- Department of Radiation Oncology, College of Medicine, The University of Tennessee Health Sciences Center, Memphis, TN 38163, USA
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13
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Nursing management of patients receiving interstitial brachytherapy for head and neck malignancies. Brachytherapy 2023; 22:214-220. [PMID: 36428156 DOI: 10.1016/j.brachy.2022.10.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 10/07/2022] [Accepted: 10/21/2022] [Indexed: 11/23/2022]
Abstract
Brachytherapy is a type of radiation therapy in which the radioactive source is directly delivered to the tumor and is used to treat a variety of malignancies. Although the local control effect of brachytherapy is higher than that of external beam radiation therapy (EBRT), it is often the case that brachytherapy is more invasive than conventional EBRT. As a result, patients receiving head and neck brachytherapy confront several physical, nutritional, and pain management issues. The nurses caring for patients with head and neck cancer receiving high-dose rate interstitial brachytherapy (ISBT) should have a thorough understanding of radiation therapy principles, technology, applicator management, and the acute and chronic side effects of ISBT. However, there are no appropriate textbooks or review articles regarding nursing care for head and neck patients undergoing ISBT. The purpose of this article is to provide radiation oncologists and nurses who want to start head and neck ISBT with a comprehensive guide regarding nursing care and to help the wide spread of this treatment strategy.
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14
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Qualliotine JR, Yousef A, Orosco RK, Fugere M, Kolb FJ, Kristallis T, Archambault K. Carbon Dioxide Laser Sequestrectomy for Osteoradionecrosis: A Case Series. Photobiomodul Photomed Laser Surg 2023; 41:73-79. [PMID: 36780577 DOI: 10.1089/photob.2022.0090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023] Open
Abstract
Objective: To demonstrate a new approach to sequestrectomy using a carbon dioxide (CO2) laser for a clinic-based technique. Background: Osteoradionecrosis (ORN) of the jaw is a debilitating complication of radiotherapy for head and neck malignancies. Often refractory to medical therapy, surgical intervention for early staged disease with curettage and mechanical bone removal has mixed success, making this disease extremely difficult to treat. Therefore, new approaches to treat ORN of the jaw is needed. Methods: We describe five cases of early-to-intermediate-staged ORN illustrating a novel clinic-based sequestrectomy technique using a CO2 laser. Results: The exposed bone lesions involved the mandibular fixed gingiva, maxillary fixed gingiva, and hard palate. None of the patients had diabetes. Four patients required a total of two laser treatments and one patient needed only one treatment. All five patients demonstrated an excellent response with complete resolution of their ORN-related pain and complete mucosal coverage of the exposed bone with durable results (follow-up range, 7-19 months). Conclusions: This small series demonstrates encouraging results for CO2 laser sequestrectomy for ORN. This novel office-based intervention merits further study in larger prospective series and exploration in other disease populations, such as medication-related osteonecrosis of the jaws.
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Affiliation(s)
- Jesse R Qualliotine
- Department of Otolaryngology-Head and Neck Surgery, University of California San Diego, La Jolla, California, USA
| | - Andrew Yousef
- Department of Otolaryngology-Head and Neck Surgery, University of California San Diego, La Jolla, California, USA
| | - Ryan K Orosco
- Department of Otolaryngology-Head and Neck Surgery, University of California San Diego, La Jolla, California, USA.,Moore's Cancer Center, La Jolla, California, USA
| | | | - Frederic J Kolb
- Division of Plastic and Reconstructive Surgery, Department of Surgery, University of California San Diego, La Jolla, California, USA
| | - Thanos Kristallis
- Department of Otolaryngology-Head and Neck Surgery, University of California San Diego, La Jolla, California, USA.,San Diego Dental Health Center, La Jolla, California, USA
| | - Katya Archambault
- Department of Otolaryngology-Head and Neck Surgery, University of California San Diego, La Jolla, California, USA.,San Diego Dental Health Center, La Jolla, California, USA
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15
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AlHelal AA. Disinfection efficacy and fracture strength of PMMA denture-based polymer with chlorhexidine, PDT utilizing Rose Bengal and hematoporphyrin, and Er, Cr: YSGG laser. Photodiagnosis Photodyn Ther 2022; 37:102640. [PMID: 34823033 DOI: 10.1016/j.pdpdt.2021.102640] [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: 11/07/2021] [Revised: 11/15/2021] [Accepted: 11/19/2021] [Indexed: 11/20/2022]
Abstract
OBJECTIVE The study aimed to assess and compare disinfection efficacy and fracture strength of PMMA based DBPs using chlorhexidine (CHX), PDT utilizing Rose Bengal (RB) and hematoporphyrin HPD, and Er,Cr:YSGG laser (ECL) induced antimicrobial action against in-vitro biofilms colonized with C.albicans, S.aureus, S. mutans, and E. coli. MATERIAL AND METHODS American Type Culture Collection (ATCC) of C.albicans, S.aureus, S. mutans and E. coli were cultured. Forty-eight PMMA-based denture base plates (DBPs) were prepared by heat-cure acrylic resin and contaminated by in-vitro biofilm under-stimulated in-vitro conditions. DBPs were treated with group1; ECL group 2; RB 5µm, group 3; HPD 500 mg/L and group 4; 0.12% CHX (controls) respectively, for the disinfection of biofilms. All photosensitizers (PS) were activated by LED at a different wavelength. Each contaminated DBP was sprayed on all its surfaces with the aforementioned photosensitizers and CHX. One-way analysis of variance (ANOVA) was used to test the efficacy of disinfection and fracture load testing. Tukey multiple comparison tests were performed to compare means of CFU/mL (log10) for exposed E. coli, C. albicans, S aureus, and S. mutans. RESULTS Specimens in group 1 disinfected with erbium laser, group 3 disinfected with HPD, and group 4 sterilized with chemical disinfection were effective in decreasing bacterial load CFU/mL (log10) against C.albicans, S. aureus, S.mutans, and E. Coli (p>0.05). Intergroup comparison demonstrated ECL, CHX and HPD demonstrated a comparable reduction against C.albicans and S.aureus (p>0.05). Similarly, S.mutans and E.coli were sensitive against all experimental groups (p>0.05). no significant difference in fractural load analysis among the different investigated groups was noted (p>0.05). CONCLUSION ECL and HPD photosensitizer revealed a significant reduction in CFU/ml of exposed viable colonies of C.albicans, S.aureus, S. mutans, and E. coli comparable to 0.12% CHX mediated disinfection of PMMA-based DBPs. Irrespective of the type of disinfection no influence of disinfection was noted on the fracture load of PMMA DBPs.
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Affiliation(s)
- Abdulaziz A AlHelal
- Department Of Prosthetic Dental Sciences, College of Dentistry, King Saud University, Riyadh 11545, Saudi Arabia.
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16
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El-Haddad K, El-Faramawy N. Effects of dose-dependent response to gamma radiation on circumvallate papilla by expression of caspase-3 in vivo. Saudi Dent J 2021; 33:869-876. [PMID: 34938027 PMCID: PMC8665194 DOI: 10.1016/j.sdentj.2021.09.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2021] [Revised: 05/06/2021] [Accepted: 09/05/2021] [Indexed: 10/28/2022] Open
Abstract
BACKGROUND Radiotherapy is one of the most significant treatment modality of head and neck cancers. However, it has various hazards on the normal tissues in the radiation field. One of these affected tissues is the lingual mucosa with their papillae such as circumvallate papilla. The effects of radiation on the lingual specialized mucosa may be represented by radiation-induced mucositis and taste alteration including partial or complete loss of taste. OBJECTIVES The aim of the study was to evaluate the dose-dependent response of circumvallate papillae to gamma radiation by immunohistochemical expression of caspase-3. MATERIAL AND METHODS Twenty-four adult male albino rats were divided into 3 equal groups irradiated at 2.0, 4.0 and 6.0 Gy whole-body gamma radiation doses. Six non-irradiated rats were used as the control group. The radiation effects on circumvallate papillae were evaluated three days after irradiation via histomorphometric investigation of the papillary size and taste buds' distortion in addition to an immunohistochemical assessment of the apoptotic activity using Caspase-3 marker. RESULTS Dose-related changes were observed in the circumvallate papillae size and morphology and taste buds affection. The changes were obviously detected in rats irradiated at 4 Gy and 6 Gy doses. The detection of caspase-3 marker was evident in a dose-dependent manner in all the irradiated groups, more noticeably in the taste bud cells. CONCLUSIONS It could be concluded that circumvallate papillae are adversely affected in a dose-dependent manner by gamma radiation particularly in 4 Gy and 6 Gy doses.
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Affiliation(s)
- Khaled El-Haddad
- Department of Oral and Maxillofacial Surgery and Diagnostic Sciences, College of Dentistry in ArRass, Qassim University, Qassim Region, Saudi Arabia
- Department of Oral Biology, Faculty of Dentistry, Ain Shams University, Abbassia, Cairo, Egypt
| | - Nabil El-Faramawy
- Physics Department, Faculty of Science, Ain Shams University, Abbassia, Cairo 65511, Egypt
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17
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Peri-implant parameters and bone metabolic markers among water-pipe users treated with photodynamic therapy. Photodiagnosis Photodyn Ther 2021; 37:102655. [PMID: 34852310 DOI: 10.1016/j.pdpdt.2021.102655] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 11/19/2021] [Accepted: 11/24/2021] [Indexed: 11/20/2022]
Abstract
AIM The study aimed to evaluate the efficacy of Mechanical debridement (MD) with and without adjunct antimicrobial photodynamic therapy (aPDT) in the treatment of peri‑implantitis among waterpipe smokers (WPS) and non-smokers with peri‑implantitis MATERIAL AND METHODS: Participants were stratified into two groups. Group 1: Subjects who smoked water pipes for the last 2 years with peri‑implant disease were treated with aPDT adjunct to MD and group 2: Participants who did not use water pipes in the last 2 years but have periimplantitis (controls) were treated with MD only. Participants were scrutinized with peri‑implantitis (PI) in one dental implant at least based on the inclusion and exclusion criteria. Using structured questionnaire information was gathered from participants. All participants underwent mechanical debridement (MD). Participants of WPS underwent antimicrobial photodynamic therapy (aPDT). Peri implant inflammatory parameters (PI, BI, PD, and CBL) were assessed in all participant at baseline, 3 months and 6 months follow-up. Periimplant sulcular fluid was collected for assessment of bone metabolic biomarkers RANK-L and OPG. For immunological and clinical peri‑implant parameters analysis of variance (ANOVA) and Kruskal-Wallis test were used. For multiple comparisons, Bonferroni post hoc test was deployed. RESULTS Clinical periodontal parameters at baseline were significantly different in the control group PI (49.8 ± 10.5), BI(46.8 ± 7.7), and PD (5.0 ± 1.8) compared to WPS PI (56.1 ± 12.0), BI (40.9 ± 8.3), and PD (5.6 ± 1.5) (p < 0.05). At 3 months follow-up after PDT, PI (19.1 ± 7.7) and PD (3.9 ± 1.4) were significantly lower in the control group compared to WPS group PI (23.5 ± 8.4) and PD (4.5 ± 1.2) (p < 0.05). Whereas, BI of control (16.3 ± 6.8) and WPS group (17.1 ± 5.3) at 3 months follow-up was comparable (p > 0.05). At six months follow up following PDT, PI (15.7 ± 5.5) and PD (3.4 ± 1.2) was significantly lower in the control group compared to participants with water piped users PI (18.6 ± 7.4) and PD (3.9 ± 1.3) (p < 0.05). No significant difference was noted in BI in both groups (p > 0.05). Participants treated with PDT adjunct to MD demonstrated significantly reduced mean RANK-L levels at both 3 and 6 months (p<0.05). CONCLUSION aPDT adjunctive to MD improved periodontal parameters i.e., plaque index, pocket depth, and crestal bone loss along with metabolic marker RANK-L in water pipe smokers compared to non piped smokers.
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Almeida MVDC, Moura AC, Santos L, Gominho L, Cavalcanti UDNT, Romeiro K. Photodynamic Therapy as an adjunct in the Treatment of Medication-Related Osteonecrosis of the Jaw: A Case Report. J Lasers Med Sci 2021; 12:e12. [PMID: 34084738 DOI: 10.34172/jlms.2021.12] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Introduction: Medication-related osteonecrosis of the jaw (MRONJ) corresponds to an adverse effect of the use of drugs such as bisphosphonates and denosumab. This condition is often associated with pain, infection, purulent secretion, paraesthesia, tooth mobility and halitosis, decreasing the patient's quality of life. The management of MRONJ tends to be conservative, through the guidance of oral hygiene, antibiotic therapy and mouthwashes. However, the use of antimicrobial photodynamic therapy (aPDT) has shown promise in the treatment of these injuries. The purpose of this article is to report a case of MRONJ treatment associated with aPDT. Case Report: A 75-year-old patient, with a history of breast cancer and use of intravenous Zoledronic Acid, presented with bilateral MRONJ lesions in tuberosity on the right and left sides. Treatment was conservatively instituted with the use of aPDT as an adjuvant. After 12 aPDT sessions, complete regression of the lesion was observed. However, after two weeks, the presence of a new lesion was noted, this time in the anterior region of the maxilla. The same protocol previously established was followed and after two aPDT sessions, the patient returned with complete lesion regression. Conclusion: The use of aPDT may represent an important adjuvant within a set of clinical protocols in the treatment of MRONJ.
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Affiliation(s)
- Marcelo Vieira da Costa Almeida
- Department of Oral Medicine, Real Hospital Português de Beneficência em Pernambuco, 4760 - Paissandu, 52010-075, Recife - PE, Brazil
| | - Antonio C Moura
- Department of Oral Medicine, Real Hospital Português de Beneficência em Pernambuco, 4760 - Paissandu, 52010-075, Recife - PE, Brazil
| | - Lúcia Santos
- Department of Oral Medicine, Real Hospital Português de Beneficência em Pernambuco, 4760 - Paissandu, 52010-075, Recife - PE, Brazil
| | - Luciana Gominho
- Department of Restorative Dentistry, Universidade Federal da Paraíba - UFPB, s/n, Cidade Universitária - João Pessoa, 58051-900, PB, Brazil
| | | | - Kaline Romeiro
- Department of Oral Medicine, Real Hospital Português de Beneficência em Pernambuco, 4760 - Paissandu, 52010-075, Recife - PE, Brazil
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Li SS, Wu CZ, Li LJ. [Progress on photodynamic therapy in oral diseases]. HUA XI KOU QIANG YI XUE ZA ZHI = HUAXI KOUQIANG YIXUE ZAZHI = WEST CHINA JOURNAL OF STOMATOLOGY 2021; 39:215-220. [PMID: 33834678 DOI: 10.7518/hxkq.2021.02.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Photodynamic therapy (PDT) has developed rapidly in basic and clinical research, and its therapeutic prospects have received increasing attention. PDT has the advantages of minimally invasive, low toxicity, high selectivity, good reproducibility, protection of appearance and vital organ function, and has become a treatment. With the development of medicine, the field of application of PDT becomes more wildly, and brings a new direction for the treatment of oral diseases. This article reviews the basic principles, treatment elements and research results of PDT in the treatment of oral diseases.
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Affiliation(s)
- Shen-Sui Li
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Head and Neck Oncology, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Chen-Zhou Wu
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Head and Neck Oncology, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Long-Jiang Li
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Head and Neck Oncology, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
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20
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Campos L, Martins F, Tateno RY, Sendyk WR, Palma LF. Antimicrobial photodynamic therapy using optical fiber for oral fistula resulting from mandibular osteoradionecrosis. Photodiagnosis Photodyn Ther 2021; 34:102247. [PMID: 33711533 DOI: 10.1016/j.pdpdt.2021.102247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 03/01/2021] [Accepted: 03/05/2021] [Indexed: 10/21/2022]
Abstract
Osteoradionecrosis (ORN) is considered one of the most severe complications of radiotherapy (RT). Treatment modalities for ORN may vary considerably, including conservative or surgical procedures. Recently, alternative managements such as the combination of photobiomodulation therapy (PBMT) and antimicrobial photodynamic therapy (aPDT) have also yielded promising results in patients presenting ORN or delayed healing post-RT. Herein, it is reported a case of ORN manifested as an oral fistula on the mandibular alveolar mucosa in which a combination of PBMT and aPDT was used every 15 days for six weeks. A laser device with an optical fiber was introduced into the fistula for light delivery. Seven days after the first laser session, it was noted complete resolution of both edema and erythema; after six weeks, the ORN fistula was no longer present. According to the current case, the combination of PBMT and aPDT with an optical fiber to deliver the laser light seems to be a suitable alternative for restricted areas such as fistula paths.
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Affiliation(s)
- Luana Campos
- Department of Post-Graduation in Implantology, School of Dentistry, University of Santo Amaro, São Paulo, SP, Brazil; Oral Medicine, Brazilian Institute of Cancer Control, São Paulo, SP, Brazil.
| | - Fabiana Martins
- Department of Post-Graduation in Implantology, School of Dentistry, University of Santo Amaro, São Paulo, SP, Brazil
| | - Ricardo Yudi Tateno
- Department of Post-Graduation in Implantology, School of Dentistry, University of Santo Amaro, São Paulo, SP, Brazil
| | - Wilson Roberto Sendyk
- Department of Post-Graduation in Implantology, School of Dentistry, University of Santo Amaro, São Paulo, SP, Brazil
| | - Luiz Felipe Palma
- Graduate Dentistry Program, Ibirapuera University, São Paulo, SP, Brazil
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21
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Camolesi GC, Ortega KL, Medina JB, Campos L, Lorenzo Pouso AI, Gándara Vila P, Pérez Sayáns M. Therapeutic alternatives in the management of osteoradionecrosis of the jaws. Systematic review. Med Oral Patol Oral Cir Bucal 2021; 26:e195-e207. [PMID: 33037800 PMCID: PMC7980297 DOI: 10.4317/medoral.24132] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Accepted: 09/28/2020] [Indexed: 01/11/2023] Open
Abstract
Background to systematically review the literature, comparing the healing of osteoradionecrosis (ORN) among the therapeutic alternatives: surgical, pharmacological and combined.
Material and Methods The review was organized according to the PRISMA protocol with regards to the following PICO question: patients with ORN of the jaws (P=Patient); all interventions reported (I = intervention); between all therapies (C=Comparison); healing of lesions (O=outcome).
Results Surgical treatment was the most common choice (46.3%) followed by pharmacological treatment, exclusively (25.9%) or combined (26.9%). Treatment exclusively by surgical intervention seems to be most effective option, with 51.2% of the lesions healed, OR for healing of 5.7 (CI95% 1.9-16.9, p=0.002). Only 1 case (0.9%) corresponded to low level laser therapy.
Conclusions It seems clear that early intervention with conservative surgical combined with pharmacological methods improves the prognosis of ORN. Key words:Osteoradionecrosis, radiotherapy bone necrosis, hyperbaric oxygen, pentoxifylline, teriparatide, low level laser therapy.
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Affiliation(s)
- G-C Camolesi
- Entrerríos s/n, Santiago de Compostela C.P. 15782, Spain +
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22
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Mansouri V, Arjmand B, Rezaei Tavirani M, Razzaghi M, Rostami-Nejad M, Hamdieh M. Evaluation of Efficacy of Low-Level Laser Therapy. J Lasers Med Sci 2021; 11:369-380. [PMID: 33425286 DOI: 10.34172/jlms.2020.60] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Introduction: Given the inconsistencies in the literature regarding laser performance in non-surgical treatments, this study investigated the available literature to determine the advantages and disadvantages of low-power lasers in treating non-surgical complications and diseases. Methods: Authentic information from articles was extracted and evaluated to assess low-power laser performance for non-surgical treatments. A systematic search of studies on low-level laser therapy (LLLT) for non-surgical treatments was conducted mainly in PubMed and google scholar articles. Results: Four categories of diseases, including brain-related diseases, skin-related diseases, cancers, and bone-related disorders, which were treated by LLLT were identified and introduced. The various types of LLLT regarding the studied diseases were discussed. Conclusion: Positive aspects of LLLT versus a few disadvantages of its application imply more investigation to find better and efficient new methods.
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Affiliation(s)
- Vahid Mansouri
- Proteomics Research Center, Faculty of Paramedical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Babak Arjmand
- Cell Therapy and Regenerative Medicine Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Mostafa Rezaei Tavirani
- Proteomics Research Center, Faculty of Paramedical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammadreza Razzaghi
- Laser Application in Medical Sciences Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Rostami-Nejad
- Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mostafa Hamdieh
- Department of Psychosomatic, Taleghani Hospital, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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23
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Frankart AJ, Frankart MJ, Cervenka B, Tang AL, Krishnan DG, Takiar V. Osteoradionecrosis: Exposing the Evidence Not the Bone. Int J Radiat Oncol Biol Phys 2021; 109:1206-1218. [PMID: 33412258 DOI: 10.1016/j.ijrobp.2020.12.043] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Revised: 12/17/2020] [Accepted: 12/24/2020] [Indexed: 12/25/2022]
Abstract
Osteoradionecrosis is a relatively rare but potentially morbid and costly complication of radiation therapy for head and neck cancer. Multidisciplinary diagnosis and treatment are essential. Despite evidence guiding individual aspects of care for osteoradionecrosis, there is a lack of broad consensus on the overall diagnosis and management of this condition. This study comprehensively reviews the literature, with a focus on the past 10 years, to guide evaluation and treatment.
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Affiliation(s)
- Andrew J Frankart
- Department of Radiation Oncology, University of Cincinnati Medical Center, Cincinnati, Ohio
| | | | - Brian Cervenka
- Department of Otolaryngology-Head and Neck Surgery, University of Cincinnati Medical Center, Cincinnati, Ohio
| | - Alice L Tang
- Department of Otolaryngology-Head and Neck Surgery, University of Cincinnati Medical Center, Cincinnati, Ohio
| | - Deepak G Krishnan
- Department of Surgery, Division of Oral and Maxillofacial Surgery, University of Cincinnati Medical Center, Cincinnati, Ohio
| | - Vinita Takiar
- Department of Radiation Oncology, University of Cincinnati Medical Center, Cincinnati, Ohio; Cincinnati VA Medical Center, Cincinnati, Ohio.
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24
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Vahidi N, Lee TS, Daggumati S, Shokri T, Wang W, Ducic Y. Osteoradionecrosis of the Midface and Mandible: Pathogenesis and Management. Semin Plast Surg 2020; 34:232-244. [PMID: 33380908 DOI: 10.1055/s-0040-1721759] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Radiation therapy is an important and commonly used treatment modality for head and neck cancers. Osteoradionecrosis (ORN) is a potential debilitating complication of treatment, which most commonly affects the mandible. Management strategies are tailored to the severity of disease. Medical management including oral rinses, irrigations, antibiotics, and pharmacological treatments is viable for mild-to-moderate ORN. More severe disease is best addressed with a combination of medical management and surgical intervention aimed at aggressively removing devitalized tissue until bleeding bone is encountered and reconstructing the soft tissue and bone defect. Reconstruction with either regional vascularized flaps or vascularized osteocutaneous free flaps in case of larger full-thickness bone defects (greater than 6 cm) or anterior mandible (medial to mental foramen) is most appropriate. Maxillary ORN complications can present with a wide range of functional problems and facial disfigurement. Life-threatening and time-sensitive problems should be treated first, such as skull base bone coverage or correction of severe ectropion, to avoid blindness from exposure keratopathy. Then, less time-sensitive issues can be addressed next, such as nasal obstruction, velopharyngeal insufficiency, and chronic tearing. It may require a combination of specialists from different disciplines to address various issues that can arise from maxillary ORN.
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Affiliation(s)
- Nima Vahidi
- Department of Otolaryngology, Virginia Commonwealth University, Richmond, Virginia
| | - Thomas S Lee
- Department of Otolaryngology, Virginia Commonwealth University, Richmond, Virginia
| | - Srihari Daggumati
- Department of Otolaryngology, Virginia Commonwealth University, Richmond, Virginia
| | - Tom Shokri
- Otolaryngology and Facial Plastic Surgery Associates, Facial Plastics, Fort Worth, Texas
| | - Weitao Wang
- Otolaryngology and Facial Plastic Surgery Associates, Facial Plastics, Fort Worth, Texas.,Department of Otolaryngology, University of Rochester, Rochester, New York
| | - Yadranko Ducic
- Otolaryngology and Facial Plastic Surgery Associates, Facial Plastics, Fort Worth, Texas
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Cotomacio CC, Magliano GC, Alves FA, Simões A. Local management of neutropenic ulcer in a patient under breast cancer treatment. Photodiagnosis Photodyn Ther 2020; 32:101997. [PMID: 32961326 DOI: 10.1016/j.pdpdt.2020.101997] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 09/02/2020] [Accepted: 09/04/2020] [Indexed: 11/30/2022]
Abstract
Neutropenic ulcers are characterized by regular margins with a yellowish membrane, and are usually associated with severe pain and signs of inflammation due to opportunistic infections. Considering the immunosuppressed condition of these patients, local management of these lesions is a challenge. Antimicrobial photodynamic therapy (aPDT) is the association of light, which can be a low-power laser, with a photosensitizing agent and oxygen, whose synergy produces reactive oxygen species capable of reducing non-specific microbial contamination without causing side effects. The aim of this paper is to report a case of oral neutropenic ulcer treated with aPDT. A 50-year-old diabetic woman undergoing breast cancer treatment, presented with a malodorous malodorous and painful ulcer, which limited her basic oral functions. It was located in the maxillary alveolar ridge in the left first upper molar region and did not present bone involvement. Blood tests showed grade 2 of neutropenia. Thus, conservative treatment with aPDT technique was proposed. After one week, the lesion showed an improvement and pain had halved. The region was totally healed after three weeks. Local and non-invasive management of these lesions is of utmost importance for immunosuppressed patients, because it avoids systemic side effects and bacterial resistance resulting from overuse of antibiotics.
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Affiliation(s)
- Claudia C Cotomacio
- School of Dentistry, Paulista University (UNIP), São Paulo, SP, Brazil; Department of Biomaterials and Oral Biology, University of São Paulo, School of Dentistry, São Paulo, SP, Brazil
| | - Gabriela C Magliano
- Department of Biomaterials and Oral Biology, University of São Paulo, School of Dentistry, São Paulo, SP, Brazil
| | - Fabio A Alves
- Department of Stomatology, A.C. Camargo Cancer Center, São Paulo, Brazil; Department of Stomatology, School of Dentistry, University of São Paulo, São Paulo, Brazil
| | - Alyne Simões
- Department of Biomaterials and Oral Biology, University of São Paulo, School of Dentistry, São Paulo, SP, Brazil.
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Pedroni ACF, Miniello TG, Hirota C, Carvalho MH, Lascala CA, Marques MM. Successful application of antimicrobial photodynamic and photobiomodulation therapies for controlling osteoradionecrosis and xerostomia after laryngeal carcinoma treatment: A case report of full oral rehabilitation. Photodiagnosis Photodyn Ther 2020; 31:101835. [DOI: 10.1016/j.pdpdt.2020.101835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 05/06/2020] [Accepted: 05/18/2020] [Indexed: 10/24/2022]
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Magalhães IA, Forte CPF, Viana TSA, Teófilo CR, Lima Verde RDMB, Magalhães DP, Praxedes Neto RADL, Lima RA, Dantas TS. Photobiomodulation and antimicrobial photodynamic therapy as adjunct in the treatment and prevention of osteoradionecrosis of the jaws: A case report. Photodiagnosis Photodyn Ther 2020; 31:101959. [PMID: 32818642 DOI: 10.1016/j.pdpdt.2020.101959] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 07/21/2020] [Accepted: 08/10/2020] [Indexed: 01/22/2023]
Abstract
CASE REPORT We report on a patient with a history of radiotherapy to the head and neck region exhibiting necrotic bone exposure associated with fistula and purulent exudation in the mandible, with the diagnosis of stage 3 osteoradionecrosis, in addition to a periapical cyst in the maxillary anterior region and multiple root remnants. An antibiotic coverage protocol with amoxicillin and metronidazole was prescribed for subsequent necrotic bone removal. The surgical procedure was performed along with the aPDT using methylene blue and red light, followed by coaptation of the edges of the surgical wound and the healing protocol with LLLT. The extraction of non-rehabilitated teeth was performed two per session using antibiotic coverage, aPDT, and LLLT and mouthwash with 0.12 % chlorhexidine was prescribed until the complete closure of the surgical wound was achieved. Additionally, two aPDT sessions and four LLLT protocols were performed for complete healing of the surgical sites. Extra and intraoral examinations and panoramic and periapical radiographs were performed. No emergence or recurrence of osteonecrosis was observed after 12 months of follow-up.
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Demirsoy KK, Kurt G. Use of Laser Systems in Orthodontics. Turk J Orthod 2020; 33:133-140. [PMID: 32637195 PMCID: PMC7316475 DOI: 10.5152/turkjorthod.2020.18099] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Accepted: 08/25/2019] [Indexed: 01/01/2023]
Abstract
Laser systems have been used in the practice of dentistry for >35 years. Laser systems have so many advantages, such as increase patient cooperation, reduce the duration of treatment time, and help the orthodontists to enhance the design of a patient's smile to improve treatment efficacy, and the success of orthodontic treatments can also be improved by diminishing the orthodontic pain and the discomfort of the patients. Laser systems also have some disadvantages, such as cost, large space requirements for some types, and high-risk potential for physician and patient if not used at the appropriate wavelength and power density, that is why before incorporating lasers into clinical practice, the physician must fully understand the basic science, safety protocol, and risks associated with them. Lasers have many applications in orthodontics, including accelerating tooth movement, bonding and debonding processes, pain reduction, bone regeneration, etching procedures, increase mini-implant stability, soft tissue procedures (gingivectomy, frenectomy, operculectomy, papilla flattening, uncovering temporary anchorage devices, ablation of aphthous ulcerations, and exposure of impacted teeth), fiberotomy, scanning systems, and welding procedures. In reviewing the literature on the use of laser in orthodontics, many studies have been conducted. The purpose of the present study was to give information about the use of laser in the field of orthodontics, the effects of laser during the postoperative period, and its advantages and disadvantages and to provide general information about the requirements to be considered during the use of laser.
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Affiliation(s)
- Kevser Kurt Demirsoy
- Department of Orthodontics, Faculty of Dentistry Nevşehir Hacı Bektaş Veli University, Nevsehir, Turkey
| | - Gökmen Kurt
- Department of Orthodontics, Bezmialem Vakıf University School of Dentistry, İstanbul, Turkey
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Laser and antimicrobial photodynamic therapy for the management of delayed healing following multiple dental extractions in a post-radiotherapy patient. Photodiagnosis Photodyn Ther 2020; 30:101764. [DOI: 10.1016/j.pdpdt.2020.101764] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 03/28/2020] [Accepted: 03/30/2020] [Indexed: 01/30/2023]
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Kalhori KA, Vahdatinia F, Jamalpour MR, Vescovi P, Fornaini C, Merigo E, Fekrazad R. Photobiomodulation in Oral Medicine. PHOTOBIOMODULATION PHOTOMEDICINE AND LASER SURGERY 2019; 37:837-861. [DOI: 10.1089/photob.2019.4706] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
| | - Farshid Vahdatinia
- Dental Implants Research Center, Dental School of Hamadan University of Medical Sciences, Hamadan, Iran
| | - Mohammad Reza Jamalpour
- Department of Oral and Maxillofacial Surgery, Dental Implants Research Center, Faculty of Dentistry, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Paolo Vescovi
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Carlo Fornaini
- Group of Applied ElectroMagnetics, Department of Engineering and Architecture, University of Parma, Parma, Italy
- Laboratoire MicOralIS (Microbiologie Orale, Immunothérapie et Santé) EA7354, UFR d'Odontologie, Université Nice Sophia Antipolis, Nice, France
| | - Elisabetta Merigo
- Laboratoire MicOralIS (Microbiologie Orale, Immunothérapie et Santé) EA7354, UFR d'Odontologie, Université Nice Sophia Antipolis, Nice, France
| | - Reza Fekrazad
- Radiation Sciences Research Center, Laser Research Center in Medical Sciences, AJA University of Medical Sciences, Tehran, Iran
- International Network for Photo Medicine and Photo Dynamic Therapy (INPMPDT), Universal Scientific Education and Research Network (USERN), Tehran, Iran
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Dantas JBDL, Reis JVINA. New Therapeutic Approaches to Osteoradionecrosis: Literature Review. JOURNAL OF HEALTH SCIENCES 2019. [DOI: 10.17921/2447-8938.2019v21n3p243-249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
AbstractRadiotherapy is an important treatment of oral and maxillofacial malignancies. Among the various effects of this locoregional therapy, osteoradionecrosis (ORN) plays a prominent role due to its physical and psychological impact on cancer patients. In the literature, the therapeutic approach of ORN varies from a conservative to invasive surgery treatment. Objective: collect in the scientific literature, concise and current information about the benefits of using these therapies in the ORN. The present literature review selected articles based on the titles that addressed osteoradionecrosis treatment, as well as the evaluation systems adopted. After previous analysis, 22 relevant articles were included on the proposed theme. According to the literature, several hypotheses have been established to explain the etiopathogenesis of ORN, as numerous evaluation systems have been developed in the last years. Regarding the main therapeutic modalities used, new less invasive therapies have acquired space, such as ozone therapy, laser therapy associated with photodynamic therapy and drugs, such as vitamin, antifibrotic and anti-resorptive. However, in spite of the promising results, new randomized clinical trials have to be performed in an attempt to discover the real effectiveness of these therapies in the ORN. Therefore, it becomes a challenging issue for dental surgeons, since it requires the constant monitoring and long term of these patients, due to the risk of progression or recurrence of this condition.Keywords: Radiotherapy. Osteoradionecrosis. Conservative Treatment. Ozone. Photochemotherapy.ResumoA radioterapia compreende um tratamento importante no tratamento de tumores malignos orais e maxilofaciais. Dentre os diversos efeitos oriundos desta terapia locoregional, a osteorradionecrose (ORN) apresenta um papel de destaque devido ao seu impacto físico e psicológico ao paciente oncológico. A abordagem terapêutica da ORN pode variar do tratamento conservador ao tratamento invasivo através da cirurgia. Objetivo coletar na literatura científica informações concisas e atuais acerca dos benefícos do uso dessas terapias na ORN. A presente revisão narrativa de literatura teve a seleção de artigos com base nos títulos que abordaram as terapias empregadas na osteorradionecrose, bem como os sistemas de avaliação adotados. Após análise prévia, foram incluídos 39 artigos relevantes sobre a temática proposta. De acordo com a literatura, várias hipóteses foram estabelecidas para explicar a etiopatogenia da ORN, assim como inúmeros sistemas de avaliação foram desenvolvidos nos últimos anos. Com relação as principais modalidades terapêuticas empregadas, novas terapias menos invasivas têm adquirido espaço, a exemplo da ozonioterapia, laserterapia associada à terapia fotodinâmica e medicamentos antioxidantes, antifibróticos e antireabsortivos. Todavia, apesar dos resultados promissores, novos ensaios clínicos precisam ser realizados, para se descobrir a real eficácia dessas terapias na ORN. Portanto, torna-se uma questão desafiadora para os Cirurgiões dentistas, uma vez que requer o monitoramento constante e a longo prazo desses pacientes, devido ao risco de progressão ou recidiva desta afecção.Palavras-chave: Radioterapia. Osteoradionecrosis. Tratamento Conservador. Ozônio. Fotoquimioterapia.
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