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Yari A, Fasih P, Sadeghi S, Movahed E, Hallajmoghaddam Sarand S, Goodarzi A. The Effect of Delayed Photobiomodulation Therapy on Inferior Alveolar Nerve Recovery After Third Molar Removal: A Triple-Blinded Randomized Clinical Trial. Photobiomodul Photomed Laser Surg 2024; 42:463-472. [PMID: 38900722 DOI: 10.1089/pho.2024.0016] [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: 06/22/2024] Open
Abstract
Background: Third molar removal is the primary reason for inferior alveolar nerve (IAN) damage, with 2% causing persistent neurosensory deficits. This study aimed to investigate how delayed photobiomodulation therapy affects long-lasting neurosensory disturbances. Methods: This study was conducted on patients with neurosensory disturbances lasting longer than 6 months. Patients were randomly allocated to the study and control groups, with the study group receiving a low-power diode laser (continuous wavelength of 810 nm, power of 200 mW) on 16 points (30 sec at each) for 12 sessions (2 sessions/week), while the control group received a placebo treatment by switched-off laser probe. Visual analog scale (VAS; ranging from 1 to 5), static light touch, two-point discrimination, direction discrimination, pinprick, and thermal discrimination tests were performed on each visit up to 9 months post-therapy to evaluate the recovery status. Results: Each group comprised 18 participants. The mean time since injury was 8.26 ± 2.05 and 8.38 ± 1.98 months for the control and intervention groups, respectively (p = 0.81). There was a significant improvement in the intervention group on the static light touch (p = 0.041), two-point discrimination (p = 0.028), VAS (p = 0.031), and pinprick (p = 0.014) tests on the 11th session and subsequent visits and also on direction discrimination test on the 12th session (p = 0.044) and after that. There was no significant difference in the thermal discrimination tests between the two groups (p > 0.05). Conclusion: Photobiomodulation demonstrated potential benefits in resolving persistent neurosensory deficits of the IAN, with noticeable improvements typically observed after around 35 days of treatment initiation (10 sessions).
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Affiliation(s)
- Amir Yari
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Kashan University of Medical Sciences, Kashan, Iran
| | - Paniz Fasih
- Department of Prosthodontics, School of Dentistry, Kashan University of Medical Sciences, Kashan, Iran
| | - Saeideh Sadeghi
- Department of Prosthodontics, School of Dentistry, Kerman University of Medical Sciences, Kerman, Iran
| | - Emad Movahed
- Department of Prosthodontics and Dental Materials, School of Dentistry, Islamic Azad University of Medical Sciences, Tehran, Iran
| | | | - Ali Goodarzi
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran
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Alam M, Karami S, Mohammadikhah M, Badkoobeh A, Golkar M, Abbasi K, Soufdoost RS, Hakim LK, Talebi S, Namanloo RA, Hussain A, Heboyan A, Tebyaniyan H. The effect of photobiomodulation therapy in common maxillofacial injuries: Current status. Cell Biochem Funct 2024; 42:e3951. [PMID: 38349051 DOI: 10.1002/cbf.3951] [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: 11/30/2023] [Revised: 01/04/2024] [Accepted: 01/28/2024] [Indexed: 02/15/2024]
Abstract
The use of photobiomodulation therapy (PBMT) may be used for treating trauma to the maxillofacial region. The effects of PBMT on maxillofacial injuries were discussed in this review article. The electronic databases Pubmed, Scopus, and Web of Science were thoroughly searched. This review included in vitro, in vivo, and clinical studies describing how PBMT can be used in maxillofacial tissue engineering and regenerative medicine. Some studies suggest that PBMT may offer a promising therapy for traumatic maxillofacial injuries because it can stimulate the differentiation and proliferation of various cells, including dental pulp cells and mesenchymal stem cells, enhancing bone regeneration and osseointegration. PBMT reduces pain and swelling after oral surgery and tooth extraction in human and animal models of maxillofacial injuries. Patients with temporomandibular disorders also benefit from PBMT in terms of reduced inflammation and symptoms. PBMT still has some limitations, such as the need for standardizing parameters. PBMT must also be evaluated further in randomized controlled trials in various maxillofacial injuries. As a result, PBMT offers a safe and noninvasive treatment option for patients suffering from traumatic maxillofacial injuries. PBMT still requires further research to establish its efficacy in clinical practice and determine the optimal parameters.
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Affiliation(s)
- Mostafa Alam
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Meysam Mohammadikhah
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Alborz University of Medical Sciences, Karaj, Iran
| | - Ashkan Badkoobeh
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Qom University of Medical Sciences, Qom, Iran
| | - Mohsen Golkar
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Kamyar Abbasi
- Department of Prosthodontics, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | | | - Sahar Talebi
- Research Committee, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran
| | | | - Ahmed Hussain
- School of Dentistry, Edmonton Clinic Health Academy, University of Alberta, Edmonton, Canada
| | - Artak Heboyan
- Department of Prosthodontics, Faculty of Stomatology, Yerevan State Medical University after Mkhitar Heratsi, Yerevan, Armenia
- Department of Research Analytics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India
| | - Hamid Tebyaniyan
- Department of Science and Research, Islimic Azade University, Tehran, Iran
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Baydan E, Soylu E. Investigation of the efficacy of two different laser types in the treatment of lower lip paresthesia after sagittal split ramus osteotomy. Lasers Med Sci 2024; 39:23. [PMID: 38191831 PMCID: PMC10774202 DOI: 10.1007/s10103-024-03973-9] [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: 05/22/2023] [Accepted: 12/28/2023] [Indexed: 01/10/2024]
Abstract
Orthognathic surgery involves invasive and major surgical procedures commonly used to correct maxillofacial deformities. Bilateral sagittal split ramus osteotomy (BSSO) is often used to treat dentofacial anomalies related to the mandible, but it can result in various complications, the most common of which is inferior alveolar nerve damage. Nerve damage-induced paresthesia of the lower lip significantly affects patient comfort. Medical treatments such as steroids and vitamin B, low-level laser therapy (LLLT), and platelet-rich fibrin (PRF) can be used as supportive therapies for nerve regeneration after damage. This study aimed to investigate the effectiveness of two different types of lasers in treating lower lip paresthesia after BSSO. This clinical trial was a controlled, single-center, prospective, single-blind, randomized study. Thirty patients were included in the study and randomly assigned to three groups: Group I (laser GRR, n = 10) received transcutaneous and transmucosal GRR laser treatment, Group II (Epic10 laser, n = 10) received transmucosal and transcutaneous Epic10 laser treatment, and Group III (vitamin B, n = 10) received B-complex vitamin tablets orally once a day. Two-point and brush tests were performed six times at specific intervals, and a visual analog scale was used to evaluate pain and sensitivity. Both vitamin B and laser therapies accelerated nerve regeneration. The contribution of the laser groups to the healing rate was better than that of the vitamin B group. Although there was no statistically significant difference between the two laser groups, clinical observations indicated better results in the GRR laser group.
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Affiliation(s)
- Ebru Baydan
- Department of Oral and Maxillofacial Surgery, Erciyes University Faculty of Dentistry, Kayseri, Turkey
| | - Emrah Soylu
- Department of Oral and Maxillofacial Surgery, Erciyes University Faculty of Dentistry, Kayseri, Turkey.
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Şen E, Özkan N, Önger ME, Kaplan S. Effects of NGF and Photobiomodulation Therapy on Crush Nerve Injury and Fracture Healing: A Stereological and Histopathological Study in an Animal Model. Craniomaxillofac Trauma Reconstr 2023; 16:281-291. [PMID: 38047151 PMCID: PMC10693267 DOI: 10.1177/19433875221138175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2023] Open
Abstract
Study Design A stereological and histopathological study in an animal model. Objective This study explores the effects of the nerve growth factor and photobiomodulation therapy on the damaged nerve tissue and fracture healing. Methods A total of 24 rabbits were divided into 4 groups: control group (n = 5), nerve growth factor (NGF) group (n = 7), photobiomodulation (PBMT) group (n = 6), and nerve growth factor and photobiomodulation therapy (NGF+PBMT) group (n = 6). The vertical fracture was performed between the mental foramen and the first premolar, and the mental nerve was crushed for 30 seconds with a standard serrated clamp with a force of approximately 50 N in all groups. The control group received an isotonic solution (.02 mL, .09% NaCl) to the operation site locally. The NGF group received 1 μg human NGF-β/.9% .2 mL NaCl solution for 7 days locally. The PBMT group received PBMT treatment (GaAlAs laser, 810 nm, .3 W, 18 J/cm2) every 48 hours for 14 sessions following the surgery. The NGF+PBMT group received both NGF and PBMT treatment as described above. After 28 days, the bone tissues and mental nerves from all groups were harvested and histologically and stereologically analyzed. Results According to the stereological results, the volume of the new vessel and the volume of the new bone were significantly higher in the PBMT group than in other groups (P < .001). According to the histopathological examinations, higher myelinated axons were observed in experimental groups than in the control group. Conclusions As a result, PBMT has beneficial effects on bone regeneration. Based on the light microscopic evaluation, more regenerated axon populations were observed in the NGF group than in the PBMT and PBMT + NGF groups in terms of myelinated axon content.
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Affiliation(s)
- Esengül Şen
- Assistant Professor, Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Ondokuz Mayıs University, Turkey
| | - Nilüfer Özkan
- Professor, Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Ondokuz Mayıs University, Turkey
| | - Mehmet Emin Önger
- Associate Professor, Department of Histology and Embryology, Faculty of Medicine, Ondokuz Mayis University, Turkey
| | - Süleyman Kaplan
- Professor, Department of Histology and Embryology, Faculty of Medicine, Ondokuz Mayis University, Turkey
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Ma Y, Yang M, Chen X, Qu W, Qu X, He P. The effectiveness of photobiomodulation therapy on inferior alveolar nerve injury: A systematic review and META-analysis. PLoS One 2023; 18:e0287833. [PMID: 37561792 PMCID: PMC10414610 DOI: 10.1371/journal.pone.0287833] [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: 03/21/2023] [Accepted: 06/14/2023] [Indexed: 08/12/2023] Open
Abstract
OBJECTIVE The aim of this META-analysis was to evaluate the efficacy of photobiomodulation (PBM) therapy in the treatment of inferior alveolar nerve (IAN) injury due to orthognathic surgeries, extraction of impacted third molars and mandibular fractures. METHODS AND MATERIALS A electric search was conducted by a combination of manual search and four electric databases including Pubmed, Embase, Cochrane library and Web of Science, with no limitation on language and publication date. Gray literature was searched in ClinicalTrials.gov and googlescholar. All retrieved articles were imported into ENDNOTE software (version X9) and screened by two independent reviewers. All analysis was performed using the REVMAN software (version 5.3). RESULTS Finally, 15 randomized controlled trials met the inclusion criteria for qualitative analysis and 14 for META-analysis from 219 articles. The results showed that PBM therapy had no effect on nerve injury in a short period of time (0-48h, 14 days), but had significant effect over 30 days. However, the effect of photobiomodulation therapy on thermal discrimination was still controversial, most authors supported no significant improvement. By calculating the effective rate of PBM, it was found that there was no significant difference in the onset time of treatment, whether within or over 6 months. CONCLUSIONS The results of this META-analysis show that PBM therapy is effective in the treatment of IAN injures no matter it begins early or later. However, due to the limited number of well-designed RCTs and small number of patients in each study, it would be necessary to conduct randomized controlled trials with large sample size, long follow-up time and more standardized treatment and evaluation methods in the future to provide more accurate and clinically meaningful results.
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Affiliation(s)
- Yongqing Ma
- Department of Oral and Maxillofacial Surgery, Dalian Stomatological Hosipital, Dalian City, Liaoning Province, China
| | - Miaomiao Yang
- Department of Implantation, Dalian Stomatological Hosipital, Dalian City, Liaoning Province, China
| | - Xiaodong Chen
- Department of Prosthodontics, Dalian Stomatological Hosipital, Dalian City, Liaoning Province, China
| | - Weiguo Qu
- Department of Oral and Maxillofacial Surgery, Dalian Stomatological Hosipital, Dalian City, Liaoning Province, China
| | - Xiaofu Qu
- VIP Clinic, Dalian Stomatological Hosipital, Dalian City, Liaoning Province, China
| | - Ping He
- Department of Oral Surgery, Dalian Stomatological Hosipital, Dalian City, Liaoning Province, China
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6
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The effect of photobiomodulation on regeneration of crushed inferior alveolar nerve caused by iatrogenic injuries in oral and maxillofacial surgeries: A systematic review. ADVANCES IN ORAL AND MAXILLOFACIAL SURGERY 2022. [DOI: 10.1016/j.adoms.2021.100155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Barbosa LM, de Luna Gomes JM, Laureano Filho JR, do Egito Vasconcelos BC, Dantas Moraes SL, Pellizzer EP. Does the use of low-level light therapy postoperatively reduce pain, oedema, and neurosensory disorders following orthognathic surgery? A systematic review. Int J Oral Maxillofac Surg 2021; 51:355-365. [PMID: 34238645 DOI: 10.1016/j.ijom.2021.06.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 06/20/2021] [Accepted: 06/22/2021] [Indexed: 10/20/2022]
Abstract
The aim of this study was to evaluate the efficacy of low-level light therapy (LLLT) in improving pain, oedema, and neurosensory disorders of the inferior alveolar nerve (IAN) after orthognathic surgery. This systematic review was performed in compliance with the Preferred Reporting Items for Systematic Reviews and Meta-analyses guidelines. Searches were conducted in the PubMed, Embase, and Web of Science databases for randomized clinical trials (RCTs) published up to September 2020. After evaluating eligibility, 15 RCTs were selected. None of the studies reported an evaluation of all of the outcomes within the same publication. It was possible to determine the effect of LLLT in controlling pain following orthognathic surgery. Of the three studies evaluating this outcome, all observed a positive effect. Of the four studies that evaluated oedema, two found a positive effect. Of the 11 studies that evaluated neurosensory disorders of the IAN, all of them observed a positive effect, at least in one of the sensory evaluation tests. A meta-analysis was not possible due to the heterogeneity across studies. Considering the limitations of this review, but given the fact that LLLT is a minimally invasive intervention, its use merits consideration in immediate postoperative orthognathic surgery.
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Affiliation(s)
- L M Barbosa
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Universidade de Pernambuco, Camaragibe, PE, Brazil
| | - J M de Luna Gomes
- Department of Dental Materials and Prosthodontics, Dental School of Araçatuba, Universidade Estadual Paulista, Araçatuba, SP, Brazil
| | - J R Laureano Filho
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Universidade de Pernambuco, Camaragibe, PE, Brazil
| | - B C do Egito Vasconcelos
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Universidade de Pernambuco, Camaragibe, PE, Brazil
| | - S L Dantas Moraes
- Department of Prosthodontics, School of Dentistry, Universidade de Pernambuco, Camaragibe, PE, Brazil.
| | - E P Pellizzer
- Department of Dental Materials and Prosthodontics, Dental School of Araçatuba, Universidade Estadual Paulista, Araçatuba, SP, Brazil
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Ravera S, Colombo E, Pasquale C, Benedicenti S, Solimei L, Signore A, Amaroli A. Mitochondrial Bioenergetic, Photobiomodulation and Trigeminal Branches Nerve Damage, What's the Connection? A Review. Int J Mol Sci 2021; 22:4347. [PMID: 33919443 PMCID: PMC8122620 DOI: 10.3390/ijms22094347] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 04/16/2021] [Accepted: 04/17/2021] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Injury of the trigeminal nerve in oral and maxillofacial surgery can occur. Schwann cell mitochondria are regulators in the development, maintenance and regeneration of peripheral nerve axons. Evidence shows that after the nerve injury, mitochondrial bioenergetic dysfunction occurs and is associated with pain, neuropathy and nerve regeneration deficit. A challenge for research is to individuate new therapies able to normalise mitochondrial and energetic metabolism to aid nerve recovery after damage. Photobiomodulation therapy can be an interesting candidate, because it is a technique involving cell manipulation through the photonic energy of a non-ionising light source (visible and NIR light), which produces a nonthermal therapeutic effect on the stressed tissue. METHODS The review was based on the following questions: (1) Can photo-biomodulation by red and NIR light affect mitochondrial bioenergetics? (2) Can photobiomodulation support damage to the trigeminal nerve branches? (preclinical and clinical studies), and, if yes, (3) What is the best photobiomodulatory therapy for the recovery of the trigeminal nerve branches? The papers were searched using the PubMed, Scopus and Cochrane databases. This review followed the ARRIVE-2.0, PRISMA and Cochrane RoB-2 guidelines. RESULTS AND CONCLUSIONS The reliability of photobiomodulatory event strongly bases on biological and physical-chemical evidence. Its principal player is the mitochondrion, whether its cytochromes are directly involved as a photoacceptor or indirectly through a vibrational and energetic variation of bound water: water as the photoacceptor. The 808-nm and 100 J/cm2 (0.07 W; 2.5 W/cm2; pulsed 50 Hz; 27 J per point; 80 s) on rats and 800-nm and 0.2 W/cm2 (0.2 W; 12 J/cm2; 12 J per point; 60 s, CW) on humans resulted as trustworthy therapies, which could be supported by extensive studies.
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Affiliation(s)
- Silvia Ravera
- Department of Experimental Medicine, University of Genoa, 16132 Genoa, Italy;
| | - Esteban Colombo
- Department of Surgical and Diagnostic Sciences, University of Genoa, 16132 Genoa, Italy; (E.C.); (C.P.); (S.B.); (L.S.); (A.S.)
| | - Claudio Pasquale
- Department of Surgical and Diagnostic Sciences, University of Genoa, 16132 Genoa, Italy; (E.C.); (C.P.); (S.B.); (L.S.); (A.S.)
| | - Stefano Benedicenti
- Department of Surgical and Diagnostic Sciences, University of Genoa, 16132 Genoa, Italy; (E.C.); (C.P.); (S.B.); (L.S.); (A.S.)
| | - Luca Solimei
- Department of Surgical and Diagnostic Sciences, University of Genoa, 16132 Genoa, Italy; (E.C.); (C.P.); (S.B.); (L.S.); (A.S.)
| | - Antonio Signore
- Department of Surgical and Diagnostic Sciences, University of Genoa, 16132 Genoa, Italy; (E.C.); (C.P.); (S.B.); (L.S.); (A.S.)
- Department of Therapeutic Dentistry, Faculty of Dentistry, First Moscow State Medical University (Sechenov University), 119991 Moscow, Russia
| | - Andrea Amaroli
- Department of Surgical and Diagnostic Sciences, University of Genoa, 16132 Genoa, Italy; (E.C.); (C.P.); (S.B.); (L.S.); (A.S.)
- Department of Orthopaedic Dentistry, Faculty of Dentistry, First Moscow State Medical University (Sechenov University), 119991 Moscow, Russia
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Firoozi P, Keyhan SO, Kim SG, Fallahi HR. Effectiveness of low-level laser therapy on recovery from neurosensory disturbance after sagittal split ramus osteotomy: a systematic review and meta-analysis. Maxillofac Plast Reconstr Surg 2020; 42:41. [PMID: 33331972 PMCID: PMC7746795 DOI: 10.1186/s40902-020-00285-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Accepted: 11/26/2020] [Indexed: 11/15/2022] Open
Abstract
Background Orthognathic surgery such as bilateral sagittal split ramus osteotomy (BSSRO) for the treatment of mandibular deformities is one of the most common procedures in maxillofacial operations that may lead to neurosensory disturbance. In this study, we aimed to evaluate the effectiveness of low-level laser therapy (LLLT) on augmenting recovery of neurosensory disturbance of inferior alveolar nerve (IAN) in patients who underwent BSSRO surgery. Methods A comprehensive literature search was conducted by two independent authors in PubMed, Cochrane Central Register of Controlled Trials (CENTRAL), Scopus, Embase, and Google Scholar electronic databases. Besides, a manual search of all textbooks and relevant articles were conducted. Searches took place in August 2020 and were limited to published and peer-reviewed articles from 2000 to 2020. All analysis was performed using the comprehensive meta-analysis (CMA) and the STATA MP (version:16) software. The weighted mean difference (WMD) using the inverse variance method and the standard mean difference (SMD) was considered for continuous variables. Results Seventy-four papers were retrieved after removing duplicate studies and finally, eight studies were assessed for qualitative synthesis and five for meta-analysis. Totally, 94 patients were included in the meta-analysis. Based on the meta-analysis, it was shown that LLLT was not effective in a short interval (0 to 48 h) after surgery, but in a period of more than 1 month after surgery, the positive results of treatment can be observed strikingly. Also, LLLT side/group showed no significant difference in some aspects of neurosensory recovery such as thermal sensation compared to the placebo side/group. Conclusions The meta-analysis of randomized controlled trials revealed that LLLT generally improves IAN sensory disturbance caused by BSSRO. Further high-quality clinical trials with longer follow-up periods and larger sample sizes are recommended.
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Affiliation(s)
- Parsa Firoozi
- Faculty of Dentistry, Department of Oral and Maxillofacial Surgery, School of Dentistry, Zanjan University of Medical Sciences, Zanjan, Iran.
| | - Seied Omid Keyhan
- CMFRC, National Advance Center for Craniomaxillofacial Reconstruction, Tehran, Iran.,Craniomaxillofacial Research Center, Tehran University of Medical Sciences, Tehran, Iran.,Founder and Director of Maxillofacial Surgery and Implantology Research Foundation, Tehran, Iran
| | - Seong-Gon Kim
- Department of Oral and Maxillofacial Surgery, College of Dentistry, Gangneung-Wonju National University, Gangneung, 28644, Republic of Korea
| | - Hamid Reza Fallahi
- Founder and Director of Maxillofacial Surgery and Implantology Research Foundation, Tehran, Iran.,Dental Research Center, Research Institute of Dental Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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10
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Bozkaya S, Cakir M, Peker Tunc E, Ogutlu F. Effect of Photobiomodulation Therapy on Inferior Alveolar and Lingual Nerve Injuries After Dental Procedures. Photobiomodul Photomed Laser Surg 2020. [DOI: 10.1089/photob.2020.4816] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Suleyman Bozkaya
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Gazi University, Ankara, Turkey
| | - Merve Cakir
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Istanbul Okan University, Istanbul, Turkey
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11
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Esteves Pinto Faria P, Temprano A, Piva F, Sant'ana E, Pimenta D. Low-level laser therapy for neurosensory recovery after sagittal ramus osteotomy. ACTA ACUST UNITED AC 2020; 69:141-147. [PMID: 32181610 DOI: 10.23736/s0026-4970.20.04289-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND Dento-skeletal deformities are treated combining orthodontic treatment with orthognathic surgery. One of the techniques most used in this type of surgery is the sagittal osteotomy of the mandible. This technique offers many advantages, but within its disadvantages is the inferior alveolar nerve paresthesia. There are various treatments that aim to recovery of the nerve bundle, and one of them is low intensity laser treatment. The aim of this study was to evaluate the effectiveness of low intensity laser therapy in the recovery of neurosensorial tissues after mandibular sagittal osteotomy during orthognathic surgery. METHODS Twelve patients submitted to surgery, using mandibular sagittal osteotomy, were treated unilaterally with low intensity infrared (808 nm, GaAIAs active medium) laser, following the inferior alveolar nerve path. The other part of the mandible was treated by placebo. The parameters used were 100 mW of power, irradiancy of 3.6 W/cm2, 2.8J energy per point, an energy density of 100 J/cm2, 28 seconds at each point with a distance of 1.0 cm between points, two sessions per week with a minimum of 10 sessions, starting 48 hours after surgery. Mechanical evaluation was performed in first, fourth, seventh and tenth session. RESULTS Significant improvement on the treated side was observed. Comparing the behavior among the variables between the treatment (T) group and the control (C) group in the General Recovery was showed a tendency to better results in the T group when compared to the C group, with statistical difference (P≤0.05) after the 10th laser therapy session. CONCLUSIONS The treatment of neurosensorial disorders with infrared low intensity laser could be effective in accelerating recovery, providing greater comfort to the patient, and it presents advantages over other existing methods.
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Affiliation(s)
| | | | | | - Eduardo Sant'ana
- Department of Stomatology, Bauru Dental School, University of São Paulo, Bauru, Brazil
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12
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Sharifi R, Fekrazad R, Taheri MM, Kasaeian A, Babaei A. Effect of photobiomodulation on recovery from neurosensory disturbances after sagittal split ramus osteotomy: a triple-blind randomised controlled trial. Br J Oral Maxillofac Surg 2020; 58:535-541. [PMID: 32122703 DOI: 10.1016/j.bjoms.2020.02.005] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Accepted: 02/09/2020] [Indexed: 11/18/2022]
Abstract
We have investigated the effect of photobiomodulation on the recovery of neurosensory function of the lip and chin after bilateral sagittal split osteotomy (BSSO). Laser irradiation was applied with a GaAs diode laser (continuous wave 980nm wavelength, power 100mW, and energy density 12J/cm2). It was maintained within a 0.5cm2 area in a total of 12 points for 60seconds at each visit on each point. Unilateral extraoral contact photobiomodulation treatment was applied the day before operation and then on days 1, 3, 7, 14, 21, and 28 postoperatively. One side of the mandible was the intervention side and the other the control side. On the control side, the laser probe was turned off and placed on the chosen area. Neurosensory evaluations were made before and immediately after operation, and 30 days and 60 days postoperatively. Twenty-five patients were screened, and 18 who met the inclusion criteria were included in the study; 14 were women and the mean (SD) age was 23 (5) years. Analysis of the visual analogue scales for general sensibility, pain discrimination, directional discrimination, and 2-point discrimination showed a significant difference between the intervention and control sides after 30 days (p=0.0011, 0.0034, 0.0023, and 0.0160, respectively). The difference was also significant after 60 days (p=0.0001, 0.0002, 0.0003, and 0.0010, respectively). The thermal discrimination rate was significantly higher in the laser group than the control group 30 days after surgery (p=0.002), but after 60 days the difference was not significant (p=1.000). We found no side effects from the laser radiation during the two-month follow up. The results suggest that photobiomodulation accelerated the patients' improvement from neurosensory disturbance after BSSO.
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Affiliation(s)
- R Sharifi
- Department of Oral and Maxillofacial Surgery, Cranio Maxillofacial Research Center, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
| | - R Fekrazad
- Department of Periodontology, Dental Faculty - Radiation Sciences Research Center, Laser Research Center in Medical Sciences, Aja University of Medical Sciences, Tehran, Iran
| | - M M Taheri
- Department of Oral and Maxillofacial Surgery, Cranio Maxillofacial Research Center, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran.
| | - A Kasaeian
- Hematology-Oncology and Stem Cell Transplantation Research Center, Tehran University of Medical Sciences, Tehran, Iran; Pars Advanced and Minimally Invasive Medical Manners Research Center, Pars Hospital, Iran University of Medical Sciences, Tehran, Iran
| | - A Babaei
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran; Otolaryngology Research Center, Department of Otolaryngology, Shiraz University of Medical Sciences, Shiraz, Iran
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13
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Hosseinpour S, Tunér J, Fekrazad R. Photobiomodulation in Oral Surgery: A Review. PHOTOBIOMODULATION PHOTOMEDICINE AND LASER SURGERY 2019; 37:814-825. [DOI: 10.1089/photob.2019.4712] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Sepanta Hosseinpour
- School of Dentistry, Oral Health Centre, The University of Queensland, Brisbane, Australia
| | - Jan Tunér
- Private Practice, Swedish Laser Medical Society (SLMS), Stockholm, Sweden
| | - 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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14
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Merigo E, Rocca JP, Pinheiro ALB, Fornaini C. Photobiomodulation Therapy in Oral Medicine: A Guide for the Practitioner with Focus on New Possible Protocols. PHOTOBIOMODULATION PHOTOMEDICINE AND LASER SURGERY 2019; 37:669-680. [PMID: 31589560 DOI: 10.1089/photob.2019.4624] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Photobiomodulation (PBM) is the term to define the wide range of laser applications using low-energy densities and based on photochemical mechanisms where the energy is transferred to the intracellular mitochondrial chromophores and respiratory chain components. In literature, a great number of works are reported showing the advantages of PBM use in many oral diseases such as recurrent aphthous stomatitis, herpes infections, mucositis, and burning mouth syndrome. Different factors may explain the increasing reported use of PBM in oral medicine: the absence of side effects, the possibility of safely treating compromised patients such as oncologic patients, the possibility of a noninvasive approach not associated with pain or discomfort, and the possibility of performing short sessions. The review's aim is to describe the possible applications of PBM in oral medicine, giving practitioners simple guide for practice together with the information of a new treatment possibility "at home" performed by the patient himself under supervision.
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Affiliation(s)
- Elisabetta Merigo
- Micoralis Research Laboratory EA 7354, Faculty of Dentistry, University of Côte d'Azur, Nice, France.,Dentistry, Special Needs and Maxillo-Facial Surgery Unit, Hospital Guglielmo da Saliceto, Piacenza, Italy
| | - Jean-Paul Rocca
- Micoralis Research Laboratory EA 7354, Faculty of Dentistry, University of Côte d'Azur, Nice, France
| | | | - Carlo Fornaini
- Micoralis Research Laboratory EA 7354, Faculty of Dentistry, University of Côte d'Azur, Nice, France.,Dentistry, Special Needs and Maxillo-Facial Surgery Unit, Hospital Guglielmo da Saliceto, Piacenza, Italy.,GAEM, Group of Applied ElectroMagnetics, Department of Engineering and Architecture, University of Parma, Parma, Italy
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15
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Comparative effects of photobiomodulation therapy at wavelengths of 660 and 808 nm on regeneration of inferior alveolar nerve in rats following crush injury. Lasers Med Sci 2019; 35:413-420. [PMID: 31273571 DOI: 10.1007/s10103-019-02838-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Accepted: 06/25/2019] [Indexed: 12/14/2022]
Abstract
The aim of the present study was to investigate the therapeutic effects of 660-nm and 880-nm photobiomodulation therapy (PBMT) following inferior alveolar nerve (IAN) crush injury. Following the nerve crush injuries of IAN, 36 Wistar rats were randomly divided into three groups as follows: (1) control, (2) 660-nm PBMT, and (3) 808-nm PBMT (GaAlAs laser, 100 J/cm2, 70 mW, 0.028-cm2 beam). PBMT was started immediately after surgery and performed once every 3 days during the postoperative period. At the end of the 30-day treatment period, histopathological and histomorphometric evaluations of tissue sections were made under a light and electron microscope. The ratio of the inner axonal diameter to the total outer axonal diameter (g-ratio) and the number of axons per square micrometer were evaluated. In the 808-nm PBMT group, the number of nerve fibers with suboptimal g-ratio ranges of 0-0.49 (p < 0.001) is significantly lower than expected, which indicates better rate of myelinization in the 808-nm PBMT group. The number of axons per square micrometer was significantly higher in the 808-nm PBMT group when compared with the control (p < 0.001) and 660-nm PBMT group (p = 0.010). The data and the histopathological investigations suggest that the PBMT with the 808-nm wavelength along with its settings was able to enhance IAN regeneration after nerve crush injury.
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16
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Mirzaei A, Saberi-Demneh A, Gutknecht N, Ramezani G. The effect of low-level laser radiation on improving inferior alveolar nerve damage after sagittal split osteotomy: a systematic review. Lasers Med Sci 2019; 34:865-872. [DOI: 10.1007/s10103-019-02718-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Accepted: 01/10/2019] [Indexed: 12/30/2022]
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