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https://www.readbyqxmd.com/read/28611327/overgrowth-of-costochondral-graft-in-temporomandibular-joint-ankylosis-reconstruction-a-retrospective-study
#1
S M Balaji, Preetha Balaji
BACKGROUND: Temporomandibular joint (TMJ) ankylosis is a situation in which the mandibular condyle is fused to the glenoid fossa by bone or fibrous tissue. The management of TMJ ankylosis has a complicated chore, and it is challenging for the maxillofacial surgeon because of technical hitches and high rate of reankylosis. Costochondral graft (CCG) is a common treatment modality for TMJ ankylosis. One of disadvantages of CCG is unpredictability of growth pattern and risk of overgrowth...
March 2017: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/28591077/progressive-bone-formation-after-cervical-disc-replacement-minimum-of-5-year-follow-up
#2
Feifei Zhou, Kevin L Ju, Yanbin Zhao, Fengshan Zhang, Shengfa Pan, John G Heller, Yu Sun
OBJECTIVE: Our objective was to examine the prevalence, clinical significance, ramifications, and possible etiology of postoperative bone formation at the index level after Cervical Disc Replacement (CDR) with a minimum of five years of follow-up. SUMMARY OF BACKGROUND DATA: CDR can be complicated by postoperative ossification and unwanted ankylosis at the index level, which some authors have termed "heterotopic ossification". This terminology may be inaccurate as it assumes the postoperative bone formation is unnatural and a consequence of the CDR surgery...
June 6, 2017: Spine
https://www.readbyqxmd.com/read/28589411/accelerated-osteogenic-differentiation-of-human-bone-derived-cells-in-ankylosing-spondylitis
#3
Sungsin Jo, Suman Kang, Jinil Han, Seung Hyun Choi, Ye-Soo Park, Il-Hoon Sung, Tae-Hwan Kim
Ankylosing spondylitis (AS) is characterized by excessive bone formation with syndesmophytes, leading to bony ankylosis. The contribution of osteoblasts to the pathogenesis of ankylosis is poorly understood. The aim of this study was to determine molecular differences between disease controls (Ct) and AS bone-derived cells (BdCs) during osteogenic differentiation with or without inflammation using AS patient serum. We confirmed osteoblastic differentiation of Ct and AS BdCs under osteogenic medium by observing morphological changes and measuring osteoblastic differentiation markers...
June 6, 2017: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/28587920/-what-would-you-do-with-an-adult-patient-who-consults-due-to-head-muscle-weakness-and-has-dropped-head
#4
L Paino, N Blasco
The dropped head syndrome, whether due to muscle weakness, rigidity, or ankylosis, is not uncommon in the elderly. It is characterised by a "chin-on-chest" reducible kyphosis, which is secondary to head muscle debility. It may be associated with a neuromuscular group of diseases such as polymyositis, chronic Inflammatory demyelinating polyneuropathy, myasthenia gravis, amyotrophic lateral sclerosis, and inclusion-body myositis. Some cases associated with hypothyroidism and hyperparathyroidism have also been described...
June 3, 2017: Semergen
https://www.readbyqxmd.com/read/28587658/mri-evidence-of-structural-changes-in-the-sacroiliac-joints-of-patients-with-non-radiographic-axial-spondyloarthritis-even-in-the-absence-of-mri-inflammation
#5
Walter P Maksymowych, Stephanie Wichuk, Maxime Dougados, Heather Jones, Annette Szumski, Jack F Bukowski, Lisa Marshall, Robert G Lambert
BACKGROUND: Studies have shown that structural lesions may be present in patients with non-radiographic axial spondyloarthritis (nr-axSpA). However, the relevance of structural lesions in these patients is unclear, particularly without signs of inflammation on magnetic resonance imaging (MRI). We assessed the presence of structural lesions at baseline on MRI in the sacroiliac joints (SIJ) of patients with nr-axSpA with and without SIJ inflammation on MRI. METHODS: Bone marrow edema (BME) was assessed on short tau inversion recovery (STIR) scans from 185 patients with nr-axSpA, by two independent readers at baseline using the Spondyloarthritis Research Consortium of Canada (SPARCC) score...
June 6, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28573052/decoronation-an-alternative-treatment-for-replacement-root-resorption
#6
Marianne Sala, Asunción Mendoza-Mendoza, Rosa-María Yañez-Vico
INTRODUCTION: Ankylosis and disrupted or altered root development are frequent complications associated with intrusive luxation and tooth avulsion lesions. Various forms of treatment have been described according to the severity of the trauma and root development. The literature shows that decoronation is an ideal treatment in cases where replacement resorption occurs. METHODS: Two clinical cases are presented: involving intrusive luxation [15-year-old female patient with an affected maxillary left lateral incisor (2...
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/28558827/early-anti-inflammatory-intervention-ameliorates-axial-disease-in-the-proteoglycan-induced-spondylitis-mouse-model-of-ankylosing-spondylitis
#7
Hsu-Wen Tseng, Tibor T Glant, Matthew A Brown, Tony J Kenna, Gethin P Thomas, Allison R Pettit
BACKGROUND: Ankylosing spondylitis (AS) is characterised by immune-mediated arthritis and osteoproliferation, ultimately leading to joint ankylosis. Whether inflammation is necessary for osteoproliferation is controversial, fuelled by the unclear efficacy of anti-inflammatory treatments on radiographic progression. In proteoglycan-induced spondylitis (PGISp), a mouse model of AS, inflammation is the prerequisite for osteoproliferation as osteoproliferation was only observed following inflammation-driven intervertebral disc (IVD) destruction...
May 30, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28555199/multidisciplinary-approach-for-replacement-%C3%A2-root-resorption-following-severe-intrusive-luxation-%C3%A2-a-case-report-of-decoronation
#8
Thiago Farias Rocha Lima, Julio Vargas Neto, Renato Corrêa Vianna Casarin, Maíra Prado, Brenda Paula Figueiredo de Gomes, José Flávio Affonso de Almeida, Alexandre Augusto Zaia, Adriana de Jesus Soares
Intrusive luxation is a severe trauma-related event with a high frequency of pulp necrosis and root resorption. A common complication following intrusion is tooth ankylosis, which can extend to progressive replacement root resorption. An increasing infraposition in growing individuals can also occur. Decoronation is a new conservative treatment for cases of tooth ankylosis in young patients who have not finished growing. In this surgical technique, the tooth crown is removed and the root with replacement resorption process remains inside the alveolus...
2017: Quintessence International
https://www.readbyqxmd.com/read/28544606/effects-of-tooth-storage-media-on-periodontal-ligament-preservation
#9
Md Riasat Hasan, Hiroaki Takebe, Nazmus Shalehin, Nobuko Obara, Takashi Saito, Kazuharu Irie
BACKGROUND / AIMS: An easily available tooth storage medium is required to preserve a tooth after avulsion. Milk and Hank's balanced salt solution (HBSS) are recommended as tooth storage media, and egg white is also reported to be comparable with milk. The aim of the present study was to histologically and immunohistochemically evaluate the effect of different tooth storage media on the periodontal ligament (PDL) of extracted teeth. MATERIAL AND METHODS: This experiment used HBSS, milk and egg white as tooth storage media...
May 24, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28538064/temporomandibular-joint-ankylosis-after-early-mandibular-distraction-osteogenesis-a-new-syndrome
#10
Manlio Galié, Valentina Candotto, Giovanni Elia, Luigi C Clauser
Distraction osteogenesis (DO) has been one of the most innovative concepts in cranio-maxillofacial syndromology and surgery over the last 25 years.Early mandibular distraction in severe micrognathia has recently been recognized as an effective treatment option to safely relieve upper airway obstruction associated with mandibular deficiency.An increased incidence in temporomandibular joint complications during DO in neonates has recently been reported, especially in syndromic patients.The authors report 2 children affected by severe micrognathia and severe respiratory distress at birth...
May 19, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28528141/portland-cement-induces-human-periodontal-ligament-cells-to-differentiate-by-upregulating-mir-146a
#11
Min-Ching Wang, Li-Yin Yeh, Wen-Yu Shih, Wan-Chun Li, Kuo-Wei Chang, Shu-Chun Lin
BACKGROUND/PURPOSE: Bioaggregates such as Portland cement (PC) can be an economical alternative for mineral trioxide aggregate (MTA) with additional benefit of less discoloration. MTA has been known to induce differentiations of several dental cells. MicroRNAs are important regulators of biological processes, including differentiation, physiologic homeostasis, and disease progression. This study is to explore how PC enhances the differentiation of periodontal ligament (PDL) cells in microRNAs level...
May 18, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28523308/radiological-and-optical-coherence-tomography-aspects-in-external-root-resorption
#12
Sanda Mihaela Popescu, Veronica MercuŢ, Monica Scrieciu, Răzvan MercuŢ, Florin Dan Popescu, Adina Monica Chiriac, Monica Mihaela CrăiŢoiu, Eugen Osiac
Pathological external root resorption is a process by which the hard tooth substance is lost because of action of different local irritative or systemic factors. Six forms of external root resorption are described: surface external root resorption, inflammatory external root resorption, replacement external root resorption, invasive external cervical root resorption, ankylosis and transient apical breakdown. The objective of the study was to establish the prevalence of the pathological root resorption in a retrospective radiological study, to highlight radiological aspects of external root resorption and to describe optical coherence tomography (OCT) aspects in pathological root resorption...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28521909/proximal-interphalangeal-joint-ankylosis-in-an-early-medieval-horse-from-wroc%C3%A5-aw-cathedral-island-poland
#13
Maciej Janeczek, Aleksander Chrószcz, Vedat Onar, Radomir Henklewski, Aleksandra Skalec
Animal remains that are unearthed during archaeological excavations often provide useful information about socio-cultural context, including human habits, beliefs, and ancestral relationships. In this report, we present pathologically altered equine first and second phalanges from an 11th century specimen that was excavated at Wrocław Cathedral Island, Poland. The results of gross examination, radiography, and computed tomography, indicate osteoarthritis of the proximal interphalangeal joint, with partial ankylosis...
June 2017: International Journal of Paleopathology
https://www.readbyqxmd.com/read/28480780/augmented-hamate-replacement-arthroplasty-for-fracture-dislocations-of-the-proximal-interphalangeal-joints-in-12-patients
#14
B P Thomas, S Raveendran, S R Pallapati, G A Anderson
We report clinical outcomes in 12 patients with hemi-hamate replacement arthroplasty combined with volar plate arthroplasty. The volar plate was reattached using trans-osseous sutures to reconstruct the ligament-box complex after hamate grafting to augment the stability of the proximal interphalangeal joint. Ten patients had improved joint movement from a mean of 14° before surgery to a mean of 77° at a minimum follow-up of 2 years. Grip strength and pain of the affected hand and patient-rated hand and wrist scores were improved in these 10 patients...
May 1, 2017: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/28473095/acr-appropriateness-criteria-%C3%A2-chronic-back%C3%A2-pain%C3%A2-suspected-sacroiliitis-spondyloarthropathy
#15
Stephanie A Bernard, Mark J Kransdorf, Francesca D Beaman, Ronald S Adler, Behrang Amini, Marc Appel, Erin Arnold, R Carter Cassidy, Bennett S Greenspan, Kenneth S Lee, Michael J Tuite, Eric A Walker, Robert J Ward, Daniel E Wessell, Barbara N Weissman
Inflammatory sacroiliitis or the seronegative axial spondyloarthropathies often presents as back pain or sacroiliac joint pain of more than 3-month duration with inflammatory symptoms and typically in patients younger than 45 years of age. Imaging plays an important role in diagnosis and disease monitoring. This article addresses the appropriate sequence of initial imaging for evaluation of a suspected spondyloarthropathy, the imaging follow-up of treatment response and the special considerations for imaging of trauma in patients with ankylosis of the spine...
May 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28469937/fat-metaplasia-on-mri-of-the-sacroiliac-joints-increases-the-propensity-for-disease-progression-in-the-spine-of-patients-with-spondyloarthritis
#16
W P Maksymowych, S Wichuk, P Chiowchanwisawakit, R G Lambert, S J Pedersen
OBJECTIVE: We tested the hypothesis that fat metaplasia on MRI of the sacroiliac joints (SIJ) increases the propensity for new bone formation in the spine of patients with spondyloarthritis. METHODS: We assessed baseline T1-weighted and short τ inversion recovery SIJ MRIs from patients in the Follow Up Research Cohort in Ankylosing Spondylitis (FORCAST). Radiographic progression was assessed using the modified Stoke Ankylosing Spondylitis Spine Score (mSASSS). Structural and inflammatory lesions were scored using the Spondyloarthritis Research Consortium of Canada (SPARCC) SIJ structural and SPARCC SIJ inflammation scores, respectively...
2017: RMD Open
https://www.readbyqxmd.com/read/28439164/use-of-t-m-j-disc-as-a-soft-tissue-interpositional-graft-material-for-functional-rehabilitation-of-ankylosed-t-m-joint
#17
Ravinder Singh Bedi, Upasana Khemka, Jaipal Singh, Manoj Yadav, Pratibha Singh
INTRODUCTION: Many surgical techniques have been described for the treatment of TMJ ankylosis, but no strategy has been uniformly agreed upon underscoring the difficulty of the problem. Despite new guidelines and updated methods, treating patients with TMJ Ankylosis remains a challenge as the incidence of recurrence after treatment is soaring. This study exemplifies our experience in using an unsullied method to treat TMJ Ankylosis to restore the structure of TMJ in conjunction with convalescing secondary maxillofacial deformity...
June 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28439157/re-assessment-of-coronoid-as-a-graft-for-condylar-reconstruction-in-tmj-ankylosis-patients-a-prospective-study-and-literature-review
#18
Gagan Mehta, Shadab Mohammad, Hari Ram, Vibha Singh, Rakesh Kumar Chak, Shiwani Garg, Kuldeep Vishwakarma
INTRODUCTION: Treatment for TMJ ankylosis aims at restoring joint function, improving the patient's aesthetic appearance and quality of life and preventing re-ankylosis. To rebuild a structurally and functionally satisfactory neocondyle is a challenging problem. Aim of this study is to re-assess the coronoid as a graft for condyle reconstruction. MATERIALS AND METHODS: Twenty patients of TMJ ankylosis without involvement of the coronoid process in ankylotic mass, coming in age group elder than 14 years were selected for the study over a period 3 years from 2011 to 2014...
June 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28412789/-development-and-preliminary-clinical-application-of-home-made-temporomandibular-joint-prostheses
#19
D M He, L Z Zhang, C Yang
Objective: To explore the clinical application of home-made temporomandibular joint (TMJ) prostheses. Methods: Self-developed TMJ prostheses were applied for end stage osteoarthritis, TMJ ankylosis, condylar tumors after biomechanical examination. The stability of the prostheses toward bone was evaluated during operation. Post-operative CT scans and clinical follow-ups were taken to check changes of mouth opening, position of the prostheses, bone resorption around the screws, and heterotopic bone formation around artificial condyle...
April 9, 2017: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/28410886/the-autogenous-graft-versus-transport-distraction-osteogenesis-for-reconstruction-of-the-ramus-condyle-unit-a-prospective-comparative-study
#20
S Kohli, S Mohanty, S Singh, Sandeep, J Dabas, R Patel
This study aimed to compare the joint function and morphology achieved following condylar reconstruction using sternoclavicular grafts (SCG) versus transport distraction osteogenesis (TDO) in temporomandibular joint (TMJ) ankylosis patients. Twenty-two patients with TMJ ankylosis underwent TMJ reconstruction with SCG or TDO (n=11 each). Radiographic and clinical evaluations were performed at 1 week and at 1, 3, and 6 months post-surgery. Clinical criteria examined included the duration of surgery, mean postoperative mouth opening, excursive jaw movements, and pain scores...
April 12, 2017: International Journal of Oral and Maxillofacial Surgery
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