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https://www.readbyqxmd.com/read/28538064/temporomandibular-joint-ankylosis-after-early-mandibular-distraction-osteogenesis-a-new-syndrome
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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 11, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28405580/temporomandibular-joint-reconstruction-with-alloplastic-prosthesis-the-outcomes-of-four-cases
#12
Jung-Hyun Park, Eun Jo, Hoon Cho, Hyung Jun Kim
BACKGROUND: The purpose of this study is to evaluate the outcomes of four patients receiving stock Biomet TMJ prosthesis for reconstruction of the TMJs. METHODS: TMJ reconstruction with stock Biomet TMJ prosthesis was performed in four patients who had joint damages by trauma, tumor, resorption, and ankylosis, which represent the indications of alloplastic prosthesis. RESULTS: Loss of condyle from trauma and resorption of joint are good indications for prosthesis, but the patients should be informed about limitation of jaw movement...
December 2017: Maxillofacial Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28390760/restricted-mandibular-movement-attributed-to-ossification-of-mandibular-depressors-and-medial-pterygoid-muscles-in-patients-with-fibrodysplasia-ossificans-progressiva-a-report-of-3-cases
#13
Tetsuko Okuno, Hitoshi Suzuki, Akio Inoue, Jingo Kusukawa
Fibrodysplasia ossificans progressiva (FOP) is an extremely rare genetic condition characterized by congenital malformation and progressive heterotopic ossification (HO) caused by a recurrent single nucleotide substitution at position 617 in the ACVR1 gene. As the condition progresses, HO leads to joint ankylosis, breathing difficulties, and mouth-opening restriction, and it can shorten the patient's lifespan. This report describes 3 cases of FOP confirmed by genetic testing in patients with restricted mouth opening...
March 16, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28377256/temporary-internal-fixation-using-c1-lateral-mass-screw-and-c2-pedicle-screw-goel-harms-technique-without-bone-grafting-for-chronic-atlantoaxial-rotatory-fixation
#14
Yoshihisa Matsumoto, Jun Mizutani, Nobuyuki Suzuki, Seiji Otsuka, Kazuo Hayakawa, Muneyoshi Fukuoka, Ikuo Wada
BACKGROUND: The primary treatment strategy for chronic atlantoaxial rotatory fixation (chro-AARF) is traction followed by bracing or application of a halo device. However, to complete these conservative therapies, patient cooperation is mandatory. If conservative therapy fails, surgery is required for reduction and prevention of recurrence. It has been considered that surgery for atlantoaxial rotatory fixation necessitates solid bony fusion. However, once bony fusion is achieved, loss of range of motion is problematic...
April 2, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28376064/mechanisms-impact-and-prevention-of-pathological-bone-regeneration-in-spondyloarthritis
#15
Barbara Neerinckx, Rik Lories
PURPOSE OF REVIEW: To discuss different aspects of new bone formation in patients with spondyloarthritis based on emerging data from clinical trials, prospective cohort studies and translational laboratory investigations. RECENT FINDINGS: New bone formation potentially leading to ankylosis of the spine and sacroiliac joints remains an important concern for patients with axial spondyloarthritis. New therapeutic strategies, in particular targeting of interleukin-17, have emerged in addition to the antitumor necrosis factor drugs, but we still fail to fully understand the mechanisms of structural disease progression...
April 1, 2017: Current Opinion in Rheumatology
https://www.readbyqxmd.com/read/28372882/prophylactic-embolisation-of-the-internal-maxillary-artery-in-patients-with-ankylosis-of-the-temporomandibular-joint
#16
R H Hossameldin, J P McCain, G Dabus
The aim of the present study was to assess the efficacy of using prophylactic embolisation of the internal maxillary artery to minimise the risk of bleeding during gap arthroplasty. We studied a prospective series of 14 patients with ankylosis of the temporomandibular joint (TMJ) between January 2011 and February 2016, who were under the care of one surgeon. They were all treated by embolisation of the internal maxillary artery 24hours before gap arthroplasty. The main outcome variable was estimated blood loss, and others included the need to extend the gap arthroplasty, and the risk of reankylosis...
March 31, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/28371334/the-risk-of-healing-complications-in-primary-teeth-with-concussion-and-subluxation-injury-a-retrospective-cohort-study
#17
Eva Lauridsen, Paul Blanche, Catherina Amaloo, Jens Ove Andreasen
BACKGROUND/AIM: Traumatic dental injuries (TDIs) in the primary dentition occur frequently. Long term complications may potentially cause damage to the permanent successor. The aim of this study was to report the risk of pulp necrosis (PN), pulp canal obliteration (PCO), repair related resorption (RRR), infection-related resorption (IRR), ankylosis-related resorption (ARR) and premature tooth loss (PTL) in primary teeth following concussion and subluxation injuries, and to identify possible risk factors for PN, PCO and PTL following subluxation...
March 28, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28364902/orthodontic-and-surgical-management-of-a-patient-with-severe-skeletal-class-ii-deformity-and-facial-asymmetry-a-case-report-with-a-5-year-follow-up
#18
Xiang Gao, Tao Wang, Jinlin Song
In this case report, we present the orthodontic and surgical management of an 18-year-old girl who had a severe craniofacial deformity, including maxillary prognathism, vertical maxillary excess (gummy smile), mandibular retrognathism, receding chin, and facial asymmetry caused by unilateral temporomandibular joint ankylosis. For correction of the facial asymmetry, the patient's right mandibular ramus and body were lengthened via distraction osteogenesis after 5 months of preoperative orthodontic therapy. Subsequently, extraction of 4 first premolars, bimaxillary anterior segmental osteotomy, and genioplasty were simultaneously performed in the second-stage operation to correct the skeletal deformities in the sagittal and vertical planes...
April 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28361330/the-paradox-of-bone-formation-and-bone-loss-in-ankylosing-spondylitis-evolving-new-concepts-of-bone-formation-and-future-trends-in-management
#19
REVIEW
Marina N Magrey, Muhammad A Khan
PURPOSE OF REVIEW: The purpose of the study is to briefly review the molecular mechanisms that leads to structural damage in ankylosing spondylitis (AS), defined as new bone formation resulting in complete or incomplete ankylosis of the spine, and the impact of treatment with biologics to retard this process. RECENT FINDINGS: The understanding of molecular mechanisms leading to new bone formation in AS has significantly improved but is still incomplete. Availability of biologics has greatly enhanced the treatment of patients with AS, but its impact on slowing the structural damage is still a matter of debate, although a few observational studies have shown that long term use of TNF-α blockers may slow radiographic progression...
April 2017: Current Rheumatology Reports
https://www.readbyqxmd.com/read/28349653/the-risk-of-healing-complications-in-primary-teeth-with-intrusive-luxation-a-retrospective-cohort-study
#20
Eva Lauridsen, Paul Blanche, Nadia Yousaf, Jens Ove Andreasen
BACKGROUND/AIMS: Intrusive luxation is a frequent injury in the primary dentition. Complications such as ankylosis or pulp necrosis and infection with periapical inflammation may affect the developing permanent tooth if not diagnosed and treated in time. The aim of this study was to report the risk of pulp necrosis (PN), pulp canal obliteration (PCO), infection-related resorption (IRR), ankylosis-related resorption (ARR) and premature tooth loss (PTL) in primary teeth following intrusive luxation, and to identify possible risk factors for PN and PTL...
March 28, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
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