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Manfredini D, Piccotti F, Guarda-Nardini L. Hyaluronic Acid In the Treatment of TMJ Disorders: A Systematic Review of the Literature. Cranio 2014; 28:166-76. [DOI: 10.1179/crn.2010.023] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Abstract
INTRODUCTION Osteoarthritis (OA) constitutes a growing public health burden and the most common cause of disability in the United States. Non-pharmacologic modalities and conservative pharmacologic therapies are recommended for the initial treatment of OA, including acetaminophen, and topical and oral non-steroidal anti-inflammatory drugs. However, safety concerns continue to mount regarding the use of these treatments and none have been shown to impact disease progression. Viscosupplementation with injections of hyaluronans (HAs) are indicated when non-pharmacologic and simple analgesics have failed to relieve symptoms (e.g., pain, stiffness) associated with knee OA. This review evaluates literature focusing on the efficacy and/or safety of HA injections in treating OA of the knee and in other joints, including the hip, shoulder, and ankle. METHODS Relevant literature on intra-articular (IA) HA injections as a treatment for OA pain in the knee and other joints was identified through PubMed database searches from inception until January 2013. Search terms included "hyaluronic acid" or "hylan", and "osteoarthritis". DISCUSSION Current evidence indicates that HA injections are beneficial and safe for patients with OA of the knee. IA injections of HAs treat the symptoms of knee OA and may also have disease-modifying properties, potentially delaying progression of OA. Although traditionally reserved for second-line treatment, evidence suggests that HAs may have value as a first-line therapy in the treatment of knee OA as they have been shown to be more effective in earlier stages and grades of disease, more recently diagnosed OA, and in less severe radiographic OA. CONCLUSION For primary care physicians who treat and care for patients with OA of the knee, IA injection with HAs constitutes a safe and effective treatment that can be routinely administered in the office setting.
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Affiliation(s)
- M Carrington Reid
- Weill Cornell Medical College, 1484-1486 1st Avenue, New York, NY, 10075, USA,
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Tuncel U. Repeated sodium hyaluronate injections following multiple arthrocenteses in the treatment of early stage reducing disc displacement of the temporomandibular joint: A preliminary report. J Craniomaxillofac Surg 2012; 40:685-9. [DOI: 10.1016/j.jcms.2011.12.003] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2011] [Revised: 12/19/2011] [Accepted: 12/20/2011] [Indexed: 10/14/2022] Open
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de Souza RF, Lovato da Silva CH, Nasser M, Fedorowicz Z, Al-Muharraqi MA. Interventions for the management of temporomandibular joint osteoarthritis. Cochrane Database Syst Rev 2012; 2012:CD007261. [PMID: 22513948 PMCID: PMC6513203 DOI: 10.1002/14651858.cd007261.pub2] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
BACKGROUND Osteoarthritis (OA) is the most common form of arthritis of the temporomandibular joint (TMJ), and can often lead to severe pain in the orofacial region. Management options for TMJ OA include reassurance, occlusal appliances, physical therapy, medication in addition to several surgical modalities. OBJECTIVES To investigate the effects of different surgical and non-surgical therapeutic options for the management of TMJ OA in adult patients. SEARCH METHODS We searched the following databases: the Cochrane Oral Health Group Trials Register (to 26 September 2011); CENTRAL (The Cochrane Library 2011, Issue 3); MEDLINE via OVID (1950 to 26 September 2011); EMBASE via OVID (1980 to 26 September 2011); and PEDro (1929 to 26 September 2011). There were no language restrictions. SELECTION CRITERIA Randomised controlled trials (RCTs) comparing any form of non-surgical or surgical therapy for TMJ OA in adults over the age of 18 with clinical and/or radiological diagnosis of TMJ OA according to the Research Diagnostic Criteria for Temporomandibular Disorders (RDC/TMD) guideline or compatible criteria.Primary outcomes considered were pain/tenderness/discomfort in the TMJs or jaw muscles, self assessed range of mandibular movement and TMJ sounds. Secondary outcomes included the measurement of quality of life or patient satisfaction evaluated with a validated questionnaire, morphological changes of the TMJs assessed by imaging, TMJ sounds assessed by auscultation and any adverse effects. DATA COLLECTION AND ANALYSIS Two review authors screened and extracted information and data from, and independently assessed the risk of bias in the included trials. MAIN RESULTS Although three RCTs were included in this review, pooling of data in a meta-analysis was not possible due to wide clinical diversity between the studies. The reports indicate a not dissimilar degree of effectiveness with intra-articular injections consisting of either sodium hyaluronate or corticosteroid preparations, and an equivalent pain reduction with diclofenac sodium as compared with occlusal splints. Glucosamine appeared to be just as effective as ibuprofen for the management of TMJ OA. AUTHORS' CONCLUSIONS In view of the paucity of high level evidence for the effectiveness of interventions for the management of TMJ OA, small parallel group RCTs which include participants with a clear diagnosis of TMJ OA should be encouraged and especially studies evaluating some of the possible surgical interventions.
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Affiliation(s)
- Raphael Freitas de Souza
- Department of Dental Materials and Prosthodontics, Ribeirão Preto Dental School, University of São Paulo, Ribeirão Preto,
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Guarda-Nardini L, Ferronato G, Manfredini D. Two-needle vs. single-needle technique for TMJ arthrocentesis plus hyaluronic acid injections: a comparative trial over a six-month follow up. Int J Oral Maxillofac Surg 2012; 41:506-13. [DOI: 10.1016/j.ijom.2011.11.007] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2011] [Accepted: 11/08/2011] [Indexed: 10/14/2022]
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Manfredini D, Rancitelli D, Ferronato G, Guarda-Nardini L. Arthrocentesis with or without additional drugs in temporomandibular joint inflammatory-degenerative disease: comparison of six treatment protocols*. J Oral Rehabil 2011; 39:245-51. [PMID: 21999138 DOI: 10.1111/j.1365-2842.2011.02265.x] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Abstract
The aim of the present pilot investigation was to compare the effectiveness of six treatment protocols providing temporomandibular joint (TMJ) arthrocentesis with or without additional drugs to manage symptoms in patients with inflammatory-degenerative TMJ disease. A consecutive series of 72 patients with TMJ osteoarthritis (axis group IIIb) with pain lasting from more than 6 months were randomly assigned to one of the groups receiving the following treatment protocols: single-session two-needle arthrocentesis (A), single-session two-needle arthrocentesis plus corticosteroid (B), single-session two-needle arthrocentesis plus low molecular weight hyaluronic acid (HA) (C), single-session two-needle arthrocentesis plus high molecular weight HA (D), 5 weekly two-needle arthrocenteses plus low molecular weight HA (E) and 5 weekly single-needle arthrocenteses plus low molecular weight HA (F). At the 3-month follow-up, improvement with respect to mean baseline values was recorded in all the five treatment groups completing the protocol. No significant differences emerged between groups in any outcome variable. The protocol providing five sessions of two-needle arthrocenteses plus low molecular weight HA allowed achieving the highest improvement in almost all the outcome variables. Findings suggested that no statistically significant differences existed between the treatment groups. The clinical significance of these findings needs to be tested with future studies on larger samples with longer follow-up periods.
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Affiliation(s)
- D Manfredini
- Department of Maxillofacial Surgery, University of Padova, Padova, Italy
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An image-guided technique for puncture of the superior temporomandibular joint cavity: clinical comparison with the conventional puncture technique. ACTA ACUST UNITED AC 2011; 111:641-8. [DOI: 10.1016/j.tripleo.2011.01.019] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2010] [Revised: 01/01/2011] [Accepted: 01/08/2011] [Indexed: 11/23/2022]
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Machon V, Hirjak D, Lukas J. Therapy of the osteoarthritis of the temporomandibular joint. J Craniomaxillofac Surg 2011; 39:127-30. [DOI: 10.1016/j.jcms.2010.04.010] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2008] [Revised: 03/27/2010] [Accepted: 04/23/2010] [Indexed: 10/19/2022] Open
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The role of intra-articular hyaluronan (Sinovial®) in the treatment of osteoarthritis. Rheumatol Int 2010; 31:427-44. [PMID: 21113807 DOI: 10.1007/s00296-010-1660-6] [Citation(s) in RCA: 77] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2010] [Accepted: 11/14/2010] [Indexed: 10/18/2022]
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Guarda-Nardini L, Ferronato G, Favero L, Manfredini D. Predictive factors of hyaluronic acid injections short-term effectiveness for TMJ degenerative joint disease. J Oral Rehabil 2010; 38:315-20. [PMID: 20939844 DOI: 10.1111/j.1365-2842.2010.02164.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
This study attempted to identify baseline predictors of positive outcome of arthrocenteses plus hyaluronic acid injections in degenerative temporomandibular joint disease (TMJ DJD). Ninety (n=90) consecutive patients with Research Diagnostic Criteria for Temporomandibular Disorders TMJ osteoarthritis (RDC/TMD 1.0 Axis I Group IIIb) underwent a cycle of five arthrocenteses with injections of 1mL hyaluronic acid and were followed up for 3months. Eight potential predictors of positive treatment outcome (sex, age, pain duration, baseline pain at chewing, presence of uni- or bilateral arthritis, presence of other concurrent RDC/TMD diagnoses, type of intervention and tolerability of treatment) were included in a logistic regression model to identify baseline predictors of treatment effectiveness. At follow-up, 85·6% of patients improved with respect to baseline VAS values, and 64·4% had a 50% or more decrease (positive outcomes). Correlation with positive outcomes existed only for unilateral osteoarthritis, and the logistic regression identified the side of arthritis (unilateral/bilateral) as the only predictor of positive treatment outcome (P=0·032). The achievement of any treatment improvement was predicted by high baseline pain levels (P=0·016). The regression models explained only 7·7-15% of the variance in the outcome variable. The attempts to find predictors of positive treatment outcome with HA injections for TMJ degenerative joint disease have been successful only in part. The search for other outcome predictors is likely to benefit from the assessment of psychosocial features associated with TMJ disorders.
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Affiliation(s)
- L Guarda-Nardini
- TMD Clinic Section of Maxillofacial Surgery School of Dentistry, University of Padova, Padova, Italy
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Cairns BE. Pathophysiology of TMD pain--basic mechanisms and their implications for pharmacotherapy. J Oral Rehabil 2010; 37:391-410. [PMID: 20337865 DOI: 10.1111/j.1365-2842.2010.02074.x] [Citation(s) in RCA: 186] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
This article discusses the pathophysiology of temporomandibular disorders (TMD)-related pain and its treatment with analgesic drugs. Temporomandibular disorders are comprised of a group of conditions that result in temporomandibular joint pain (arthralgia, arthritis) and/or masticatory muscle pain (myofascial TMD). In at least some patients with TMD, a peripheral mechanism contributes to this pain. However, there is often a poor correlation between the severity of TMD-related pain complaints and evidence of definitive tissue pathology. This has led to the concept that pain in some patients with TMD may result from altered central nervous system pain processing and further that this altered pain processing may be attributable to specific genes that are heritable. Psychosocial stressors are also thought to contribute to the development of TMD-related pain, particularly masticatory muscle pain. Finally, substantially more women suffer from TMD than men. Although there are arguably multiple reasons for sex-related differences in the prevalence of TMD, one candidate for the increased occurrence of this disorder in women has been suggested to be the female sex hormone oestrogen. Analgesic drugs are an integral part of the primary treatment for TMD-related pain and dysfunction with more that 90% of treatment recommendations involving use of medications. The most commonly used agents include non-steroidal anti-inflammatory drugs, corticosteroids, muscle relaxants, anxiolytics, opiates and tricyclic antidepressants, however, evidence in support of the effectiveness of these drugs is lacking. Continued research into the pathophysiology of TMD-related pain and the effectiveness of analgesic treatments for this pain is required.
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Affiliation(s)
- B E Cairns
- Canada Research Chair in Neuropharmacology, Faculty of Pharmaceutical Sciences, University of British Columbia, 2146 East Mall, Vancouver, Canada.
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62
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Tang YL, Zhu GQ, Hu L, Zheng M, Zhang JY, Shi ZD, Liang XH. Effects of intra-articular administration of sodium hyaluronate on plasminogen activator system in temporomandibular joints with osteoarthritis. ACTA ACUST UNITED AC 2010; 109:541-7. [PMID: 20185343 DOI: 10.1016/j.tripleo.2009.11.007] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2009] [Revised: 11/02/2009] [Accepted: 11/05/2009] [Indexed: 10/19/2022]
Abstract
OBJECTIVE The aim of this study was to investigate the effect of intra-articular sodium hyaluronate (SH) injections on the main components of plasminogen activator (PA) system in the synovial fluid of temporomandibular joint (TMJ) osteoarthritis (OA). STUDY DESIGN Forty patients diagnosed with TMJ OA and 20 healthy control subjects were included in this study. Synovial fluid was collected in the OA group and the healthy group at baseline. The OA patients were randomly divided into 2 groups (20 patients for each group): One group received 5 injections of SH, and the other received 5 injections of physiologic saline solution in the upper joint space at weekly intervals. Synovial fluid was collected before and after treatment. Urokinase-type PA (uPA), soluble uPA receptor (suPAR) and PA inhibitor 1 (PAI-1) levels in synovial fluid were quantified by enzyme-linked immunosorbent assay. RESULTS The OA patients had significantly higher uPA activity and levels of uPA (median 80.01 ng/L), suPAR (median 7.54 ng/L), and PAI-1 (median 54.9 ng/mL) than the healthy control subjects (median 20.47 ng/L uPA, 2.34 ng/L suPAR, and 19.9 ng/mL PAI-1; (P < .05). The uPA activity and levels of uPA, suPAR, and PAI-1 were significantly decreased after SH injections in TMJs of OA patients (P < .05), and there was no difference after saline injection. Visual analog pain score reduction correlated with changes in uPA and uPAR levels as well as uPA activity. CONCLUSION The effects of SH on PA system provide new insight into a possible underlying mechanism by which SH alleviates pain of patients with TMJ OA.
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Affiliation(s)
- Ya-ling Tang
- State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, China
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Habib GS, Saliba W, Nashashibi M. Local effects of intra-articular corticosteroids. Clin Rheumatol 2010; 29:347-56. [PMID: 20101428 DOI: 10.1007/s10067-009-1357-y] [Citation(s) in RCA: 93] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2009] [Accepted: 12/21/2009] [Indexed: 10/19/2022]
Abstract
Intra-articular corticosteroid injection (IACI) is a very popular procedure. In this review, we wanted to review all that had been published about local effects of IACIs. English literature search was made through PubMed using the terms intra-articular and local effect. Effects on subjective, functional, structural, cellular, humoral, molecular, and imaging aspects were included. Also, all local adverse effects were documented. The main beneficial effect of IACI is pain relief. The duration of this effect is variable and depends on underlying disease, type of disease, amount of structural damage, type of IACI, dose of IACI, presence of joint effusion, level of inflammatory mediators, emptiness of joint effusion, availability of imaging, and others. At large, inflammatory problems had higher rate of favorable response in terms of pain and function. IACI at the knee joint in juvenile idiopathic arthritis patients resulted in remission for >6 months in >80% of the patients with a mean duration of approximately 1.2 years, while in the osteoarthritic knee there was a pain relief for 3 weeks only and in rheumatoid arthritis (RA) knee for 8 weeks. There was no joint space loss at the knee joint following multiple IACI in osteoarthritis and also no increase in cartilage or bone erosions in RA following a single IACI. IACI guide imaging is important in achieving better results in particular joints. Joint infection rate is very low. Other adverse effects included intra-articular and periarticular calcifications, cutaneous atrophy, cutaneous depigmentation, avascular necrosis, rapid destruction of the femoral head, acute synovitis, Charcot's arthropathy, tendinopathy, Nicolau's syndrome, and joint dislocation. IACI is associated with a wide range of local effects. Subjective and functional favorable response is prominent mainly in juvenile idiopathic arthritis patients. Adverse effects are either rare or insignificant.
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Affiliation(s)
- George S Habib
- Department of Medicine, Carmel Medical Center, Faculty of Medicine, Technion, Haifa, Israel.
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Intraarticular Hyaluronic Acid Injection for the Treatment of Reducing and Nonreducing Disc Displacement of the Temporomandibular Joint. Ann Plast Surg 2009; 62:265-7. [DOI: 10.1097/sap.0b013e31817dadb1] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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65
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Affiliation(s)
- Steven J Scrivani
- Craniofacial Pain and Headache Center, Tufts University School of Dental Medicine, Tufts Medical Center, Boston, USA
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Qiu B, Liu SQ, Peng H. Influence of sodium hyaluronate on iNOS expression in synovium and NO content in synovial fluid of rabbits with traumatic osteoarthritis. Chin J Traumatol 2008; 11:293-6. [PMID: 18822193 DOI: 10.1016/s1008-1275(08)60059-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
OBJECTIVE To observe the influence of intra-articular injection of sodium hyaluronate (SH) on the expression of inducible nitric oxide synthase (iNOS) in the synovium and nitric oxide (NO) content in synovial fluid of rabbits with traumatic osteoarthritis (OA). METHODS Sixteen white rabbits underwent unilateral anterior cruciate ligament transection and were randomly divided into 2 groups 5 weeks after the operation. Rabbits in the experimental group received intra-articular injection of 0.3 ml of 1% SH, once a week for 5 weeks. Animals in the control group were treated under the same conditions using physiological saline. All the animals were sacrificed at the 10th week after surgery. The mRNA expression of iNOS in the synovium was analyzed using reverse transcription-polymerase chain reaction. The content of NO in the synovial fluid was assayed. RESULTS The level of iNOS expression of the synovium in the experimental group was lower than that in control group (0.47+/-0.09 vs. 0.65+/-0.12, t equal to 3.45, P less than 0.01). Compared with control group, the content of NO decreased significantly in synovial fluid of SH injection group (134.11 micromolar/L +/- 12.47 micromolar/L vs. 152.17 micromolar/L +/- 15.69 micromolar/L, t equal to 2.55, P less than 0.05). CONCLUSIONS SH significantly decreases the content of NO in the synovial fluid of rabbits with traumatic OA. SH may exert the effect on synovial fluid NO level as a result of the suppression of iNOS expression in the synovium. It may be one of the mechanisms of the therapeutic effect of SH on early traumatic OA.
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Affiliation(s)
- Bo Qiu
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan 430060, China.
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Expression of proinflammatory cytokines in osteoarthritis of the temporomandibular joint. Arch Oral Biol 2008; 53:910-5. [DOI: 10.1016/j.archoralbio.2008.04.004] [Citation(s) in RCA: 91] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2008] [Revised: 03/20/2008] [Accepted: 04/17/2008] [Indexed: 02/03/2023]
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Mountziaris PM, Kramer PR, Mikos AG. Emerging intra-articular drug delivery systems for the temporomandibular joint. Methods 2008; 47:134-40. [PMID: 18835358 DOI: 10.1016/j.ymeth.2008.09.001] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2008] [Revised: 08/31/2008] [Accepted: 09/05/2008] [Indexed: 12/12/2022] Open
Abstract
Temporomandibular joint (TMJ) disorders are a heterogeneous group of diseases that cause progressive joint degeneration leading to chronic pain and reduced quality of life. Both effective pain reduction and restoration of TMJ function remain unmet challenges. Intra-articular injections of corticosteroids and hyaluronic acid are currently used to treat chronic pain, but these methods require multiple injections that increase the risk of iatrogenic joint damage and other complications. The small and emerging field of TMJ tissue engineering aims to reduce pain and disability through novel strategies that induce joint tissue regeneration. Development of methods for sustained, intra-articular release of growth factors and other pro-regenerative signals will be critical for the success of TMJ tissue engineering strategies. This review discusses methods of intra-articular drug delivery to the TMJ, as well as emerging injectable controlled release systems with potential to improve TMJ drug delivery, to encourage further research in the development of sustained release systems for both long-term pain management and to enhance tissue engineering strategies for TMJ regeneration.
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Affiliation(s)
- Paschalia M Mountziaris
- Department of Bioengineering, Rice University, P.O. Box 1892, MS 142, Houston, TX 77251-1892, USA
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Møystad A, Bjørnland T, Mork-Knutsen B, Gjaerum A. Injection of sodium hyaluronate compared with a corticosteroid in the treatment of patients with temporomandibular joint osteoarthritis: clinical effects and computed tomography evaluation of osseous changes. ACTA ACUST UNITED AC 2008. [DOI: 10.1111/j.1752-248x.2008.00017.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Møystad A, Mork-Knutsen BB, Bjørnland T. Injection of sodium hyaluronate compared to a corticosteroid in the treatment of patients with temporomandibular joint osteoarthritis: a CT evaluation. ACTA ACUST UNITED AC 2008; 105:e53-60. [PMID: 18230379 DOI: 10.1016/j.tripleo.2007.08.024] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2007] [Revised: 07/23/2007] [Accepted: 08/21/2007] [Indexed: 11/25/2022]
Abstract
OBJECTIVE Osseous changes in the temporomandibular joint (TMJ) were evaluated using computed tomography (CT) examinations before and after TMJ injections of sodium hyaluronate or a corticosteroid in patients with osteoarthritis (OA). STUDY DESIGN Forty patients were randomly allocated into 2 groups for 2 intra-articular injections with either sodium hyaluronate or a corticosteroid. Bilateral TMJ examinations with high resolution CT were obtained in 36 patients before and 6 months after treatment. Treated and contralateral TMJs were evaluated for the presence of osteoarthritic osseous abnormalities by 2 reviewers independently. RESULTS Progression, regression, and no changes of osseous abnormalities were demonstrated in 13, 9, and 14 TMJs, respectively, 6 months after treatment. There was no significant difference between the groups. CONCLUSIONS Progression/regression and no changes of osteoarthritic abnormalities were observed on CT examinations in both the treated and the contralateral TMJs after treatment with intra-articular injection with sodium hyaluronate or corticosteroid.
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Affiliation(s)
- Anne Møystad
- Department of Maxillofacial Radiology, Institute of Clinical Dentistry, Faculty of Dentistry, University of Oslo, Oslo, Norway.
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