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https://www.readbyqxmd.com/read/29456311/management-of-fenestration-using-bone-allograft-in-conjunction-with-platelet-rich-fibrin
#1
Anuradha Bhatsange, Alkesh Shende, Sabina Deshmukh, Sharanabasappa Japatti
Fenestration and dehiscence are said to be anatomical variations of cortical bone and not true pathological entities. They represent window-like defects covered by periosteum and overlying gingiva with or without the intact marginal bone. The etiology of such defects is still unclear, though many hypotheses such as occlusal traumatism, trauma, and variation in root bone angulation have been put forward. Diagnosis of such defects is challenging clinically, and they cannot be appreciated in conventional radiographs...
July 2017: Journal of Indian Society of Periodontology
https://www.readbyqxmd.com/read/29441226/plexiform-neurofibroma-in-the-axilla-with-intraosseous-neurofibroma-in-the-humerus-in-neurofibromatosis-5
#2
Sanjay Mhalasakant Khaladkar, Surbhi Chauhan, Raghav Kalra, Shishir Chauhan
Segmental neurofibromatosis type 5 (NF5) is a rare form of NF, in which the cutaneous and/or neural changes are confined to one region of the body. It is often underdiagnosed or undetected due to the absence of symptoms. Inheritance of NF is different from other types of NF. Intraosseous neurofibromas are rare tumors which develop from nerves supplying the periosteum or nerves following the intraosseous course. Plexiform neurofibroma with associated intraosseous neurofibroma is extremely rare. We report a case of plexiform neurofibroma in the left axilla of a 17-year-old female with associated intraosseous neurofibroma in adjoining left humerus...
2018: Journal of Clinical Imaging Science
https://www.readbyqxmd.com/read/29435520/chronic-non-suppurative-mandibular-osteomyelitis-with-proliferative-periostitis-a-review
#3
Ihsène Taihi, Loredana Radoi
Chronic non-suppurative osteomyelitis (CNSO) is a chronic bone disease and may be associated with a reparative periosteum entity called proliferative periostitis (PP). This condition rarely affects the maxillofacial region. Mandibular cases were already described for an infectious dental cause, often with an "onion skin" radiographic aspect, but some rare reported cases showed no obvious etiology. They represent a challenge for diagnosis because of possible misdiagnosis leading to unsuccessful or inappropriate treatment attempts...
February 12, 2018: Quintessence International
https://www.readbyqxmd.com/read/29432884/the-changing-sensory-and-sympathetic-innervation-of-the-young-adult-and-aging-mouse-femur
#4
Stephane R Chartier, Stefanie A T Mitchell, Lisa A Majuta, Patrick W Mantyh
Although bone is continually being remodeled and ultimately declines with aging, little is known whether similar changes occur in the sensory and sympathetic nerve fibers that innervate bone. Here, immunohistochemistry and confocal microscopy were used to examine changes in the sensory and sympathetic nerve fibers that innervate the young (10 days post-partum), adult (3 months) and aging (24 months) C57Bl/6 mouse femur. In all three ages examined, the periosteum was the most densely innervated bone compartment...
February 9, 2018: Neuroscience
https://www.readbyqxmd.com/read/29424622/alveolar-bone-remodeling-after-tooth-extraction-in-irradiated-mandible-an-experimental-study-with-canine-model
#5
Venni Heinonen, Timo J Ruotsalainen, Lauri Paavola, Jopi J Mikkonen, Pekka Asikainen, Arto P Koistinen, Arja M Kullaa
OBJECTIVES: The aim of the present study is to investigate the morphological and cellular changes in dental extraction socket that has been irradiated after the tooth extraction and to describe morphological characteristics of the osteocytes and osteocyte-lacunar-canalicular network (LCN) by scanning electron microscopy (SEM). MATERIAL AND METHODS: Five beagle dogs aged 1-2 years were used in this study. One side of each mandible was irradiated in two sessions and the other side of mandible (non-irradiated) served as a control...
February 9, 2018: Ultrastructural Pathology
https://www.readbyqxmd.com/read/29420381/surgical-treatment-of-osteoma-in-the-basilar-region-of-the-mandible
#6
Manoela Moura De Bartoli, Luis Felipe Oliveira Maciel, Marília Gabriela Mendes de Alencar, Thiago Coelho Gomes da Silva, Ricardo José Holanda Vasconcellos
Osteoma is an uncommon benign osteogenic tumor characterized by the proliferation of compact and cancellous bone. The objective of this study was to report a case of osteoma in the basilar region of the mandible. The patient reported no pain, but the affected area was tender to touch and there was esthetic concern because of the apparent swelling. The mass measured approximately 5 cm in diameter and extended to the lingual area of the mandible. A vestibular approach was used for surgical treatment. After infiltration of a local anesthetic and vasoconstrictor, to expose the mandibular ramus, an incision was made with an electric scalpel along the external oblique ridge through the mucosa, submucosa and muscle, fascia and periosteum until the lower second molar, 3 to 5 mm inferior to the mucogingival junction...
February 7, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29411112/treatment-of-intrabony-defects-with-modified-perforated-membranes-in-aggressive-periodontitis-a-12-month-randomized-controlled-trial
#7
Bartłomiej Górski, Stanisław Jalowski, Renata Górska, Maciej Zaremba
OBJECTIVE: The aim of this study was to compare the clinical and radiographic efficacy of guided tissue regeneration with a modified perforated collagen membrane (MPM) or standard collagen membrane (CM) in the treatment of intrabony defects in patients with aggressive periodontitis (AgP). MATERIALS AND METHODS: Fifteen AgP patients were included in the study. Two single intrabony defects of at least 3 mm depth with ≥ 6 mm probing pocket depth (PPD) from each patient were randomly assigned to either xenogenic graft plus MPM (test group) or xenogenic graft plus CM (control group)...
February 6, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29410196/mechanoreceptor-distribution-in-the-human-medial-collateral-ligament-of-the-elbow
#8
E Kholinne, H-J Lee, G-Y Kim, M F Deslivia, A Adikrishna, Z Bin, S-J Lee, I-J Rhyu, L Sungjoon, H-P Hong, I-H Jeon
BACKGROUND: The human elbow maintains its stability mainly through its bony structure. Stability is enhanced by ligamentous structures. To allow the ligamento-muscular reflex, which protects against strain and stress, mechanoreceptors are embedded in the ligament. This report describes the existence and the distribution of the elbow medial collateral ligaments (MCLs) mechanoreceptors. HYPOTHESIS: 1) the bony attachment site has the highest density of mechanoreceptors, and 2) the anterior part has the highest density of mechanoreceptors...
February 1, 2018: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29409248/the-lateral-malleolar-bony-fleck-classified-by-size-and-pathoanatomy-the-iofas-classification
#9
John Wong-Chung, Adam Tucker, Matthew Lynch-Wong, Desmond Gibson, Diarmaid S O'Longain
BACKGROUND: This study analyzes position of the peroneal tendons and status of the superior peroneal retinaculum (SPR) whenever a lateral malleolar bony flake fracture occurs. METHODS: Twenty-four patients had a lateral malleolar bony fleck on anteroposterior ankle radiographs, either in isolation or associated with other hindfoot injuries. We studied size of the bony flecks, presence or absence of peroneal tendon dislocation and pathoanatomy on CT scans. RESULTS: In 11 patients, a small bony fleck lies within the superior peroneal retinaculum and contiguous periosteum, which are stripped off the lateral fibula (Class II lesions)...
March 16, 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29399678/chronic-non-suppurative-mandibular-osteomyelitis-with-proliferative-periostitis-a-review
#10
Ihsène Taihi, Loredana Radoi
Chronic non-suppurative osteomyelitis (CNSO) is a chronic bone disease and may be associated with a reparative periosteum entity called proliferative periostitis (PP). This condition rarely affects the maxillofacial region. Mandibular cases were already described for an infectious dental cause, often with an "onion skin" radiographic aspect, but some rare reported cases showed no obvious etiology. They represent a challenge for diagnosis because of possible misdiagnosis leading to unsuccessful or inappropriate treatment attempts...
2018: Quintessence International
https://www.readbyqxmd.com/read/29396648/characterization-bone-morphology-in-ccn5-wisp5-knockout-mice
#11
Jie Jiang, Gexin Zhao, Karen M Lyons
CCN5/WISP2 is part of the CCN family of matricellular proteins, but is distinct in that it lacks the C-terminal (CT) domain. Although CCN5 has been shown to impact cell proliferation and differentiation in vitro, its role in vivo is unclear. We therefore generated mice using ES cells developed by the Knockout Mouse Project (KOMP) in which exons 2-5, which encode the all of the conserved protein coding regions, are replaced by a lacZ cassette. Ccn5 LacZ/LacZ mice were viable and apparently normal. Based on previous studies showing that CCN5 impacts osteoblast proliferation and differentiation, we performed an analysis of adult bone phenotype...
February 2, 2018: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/29396318/treatment-of-enucleated-odontogenic-jaw-cysts-a-systematic-review
#12
REVIEW
Mayte Buchbender, Friedrich W Neukam, Rainer Lutz, Christian M Schmitt
OBJECTIVES: In this systematic review, we aimed to assess the impact of filling or not filling enucleated odontogenic jaw cysts on bony defect consolidation. In terms of filling, we aimed to assess which is the best filling material based on current evidence. STUDY DESIGN: An electronic search was performed using PubMed, Embase, and MEDLINE databases with the logical operators: "odontogenic cysts" AND "jaw cysts" AND "treatment AND therapy." RESULTS: Thirteen studies with primary enucleation (6 with filling and 7 without filling) were included...
December 29, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/29395281/simple-laryngeal-suspension-procedure-by-suturing-the-digastric-muscle-to-the-periosteum-of-the-mandible-in-neck-dissection-for-tongue-cancer
#13
Akira Ohkoshi, Takenori Ogawa, Shun Sagai, Ayako Nakanome, Kenjiro Higashi, Ryo Ishii, Kengo Kato, Yukio Katori
PURPOSE: In this article, a simple, new laryngeal suspension procedure is described. The effect of hyoid bone suspension by suturing the digastric muscle to the periosteum of the mandible is analyzed. MATERIALS AND METHODS: To elucidate the effect of hyoid bone suspension, CT scans of 26 patients who underwent ipsilateral neck dissection with primary resection of tongue cancer were retrospectively reviewed, and the distance between the hyoid bone and the mandible was measured on the operated and unoperated sides of the neck...
January 23, 2018: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/29386761/ischiopubic-osteotomy-a-simple-and-effective-technique-for-pelvic-ring-closure-in-repair-of-classic-exstrophy-bladder
#14
Kanoujia Sunil, Shiv Narain Kureel, Archika Gupta, Anand Pandey, Ashish Wakhlu, JileDar Rawat
Aim: The aim of this study is to report the technique and outcome of ischiopubic (IP) osteotomy for pelvic ring closure in classic exstrophy bladder. Methods: A total of 85 male classic exstrophies were selected based on trapezoid-shaped space between IP ramus on three-dimensional computed tomography pelvis. Using midline scroto-perineal approach, after bladder plate mobilization and radical corporal detachment; the pelvic surface of superior pubic ramus (SPR) was exposed...
January 2018: Journal of Indian Association of Pediatric Surgeons
https://www.readbyqxmd.com/read/29377085/modified-rib-pivot-lateral-thoracotomy-a-case-series
#15
C Appelgrein, G Hosgood
OBJECTIVE: To describe a modified rib pivot thoracotomy and its clinical application in client-owned dogs and cats. STUDY DESIGN: Case series of 24 dogs and 1 cat requiring a thoracotomy. METHODS: A lateral thoracic incision over the required thoracic segment was made. The latissimus dorsi muscle was reflected dorsally. The predetermined rib was identified and the periosteum overlying the rib was elevated circumferentially, avoiding the intercostal neurovascular structures...
January 2018: Australian Veterinary Journal
https://www.readbyqxmd.com/read/29372878/the-transperiosteal-inside-out-occipital-artery-harvesting-technique
#16
Arnau Benet, Halima Tabani, Xinmin Ding, Jan-Karl Burkhardt, Roberto Rodriguez Rubio, Ali Tayebi Meybodi, Peyton Nisson, Olivia Kola, Sirin Gandhi, Sonia Yousef, Michael T Lawton
OBJECTIVE The occipital artery (OA) is a frequently used donor vessel for posterior circulation bypass procedures due to its proximity to the recipient vessels and its optimal caliber, length, and flow rate. However, its tortuous course through multiple layers of suboccipital muscles necessitates layer-by-layer dissection. The authors of this cadaveric study aimed to describe a landmark-based novel anterograde approach to harvest OA in a proximal-to-distal "inside-out" fashion, which avoids multilayer dissection...
January 26, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29368214/the-meninges-as-barriers-and-facilitators-for-the-movement-of-fluid-cells-and-pathogens-related-to-the-rodent-and-human-cns
#17
REVIEW
Roy O Weller, Matthew M Sharp, Myron Christodoulides, Roxana O Carare, Kjeld Møllgård
Meninges that surround the CNS consist of an outer fibrous sheet of dura mater (pachymeninx) that is also the inner periosteum of the skull. Underlying the dura are the arachnoid and pia mater (leptomeninges) that form the boundaries of the subarachnoid space. In this review we (1) examine the development of leptomeninges and their role as barriers and facilitators in the foetal CNS. There are two separate CSF systems during early foetal life, inner CSF in the ventricles and outer CSF in the subarachnoid space...
January 24, 2018: Acta Neuropathologica
https://www.readbyqxmd.com/read/29356962/growth-plate-derived-hedgehog-signal-responsive-cells-provide-skeletal-tissue-components-in-growing-bone
#18
Ryuma Haraguchi, Riko Kitazawa, Yuuki Imai, Sohei Kitazawa
Longitudinal bone growth progresses by continuous bone replacement of epiphyseal cartilaginous tissue, known as "growth plate", produced by columnar proliferated- and differentiated-epiphyseal chondrocytes. The endochondral ossification process at the growth plate is governed by paracrine signals secreted from terminally differentiated chondrocytes (hypertrophic chondrocytes), and hedgehog signaling is one of the best known regulatory signaling pathways in this process. Here, to investigate the developmental relationship between longitudinal endochondral bone formation and osteogenic progenitors under the influence of hedgehog signaling at the growth plate, genetic lineage tracing was carried out with the use of Gli1CreERT2 mice line to follow the fate of hedgehog-signal-responsive cells during endochondral bone formation...
January 22, 2018: Histochemistry and Cell Biology
https://www.readbyqxmd.com/read/29354969/-therapeutic-effect-observation-of-post-stroke-shoulder-pain-treated-with-the-touching-periosteum-needling-technique-of-the-meridian-muscle-region-theory
#19
Haiguang Yuan, Zhibin Liu, Weixing Feng
OBJECTIVE: To evaluate the pain severity, the motor function of the upper limb and the quality of life in the patients of post-stroke shoulder pain treated with the touching-periosteum needling technique of the meridian muscle region theory. METHODS: One hundred and six cases of post-stroke shoulder pain were randomized into an observation group and a control group, 53 cases in each one. In the observation group, the touching-periosteum needle technique and the rehabilitation training were used on the bases of the theory of meridian muscle region...
October 12, 2017: Zhongguo Zhen Jiu, Chinese Acupuncture & Moxibustion
https://www.readbyqxmd.com/read/29354961/-relationship-between-needling-layers-and-needling-sensations-in-acupuncture
#20
Decheng Chen
Based on the sancai (literally three talents referring to "earth", "human" and "heaven") and wuti (literally five organs referring to skin, muscle, vessel, tendon and bone, which correspond to five internal organs: lungs, spleen, heart, liver and kidney respectively) in Neijing (Internal Classic), as well as the tissue structure theory of modern anatomy, and in combination with the clinical practice of acupuncture by the author in the past over 30 years, it is proposed that four layers are divided in needling depth of acupuncture...
November 12, 2017: Zhongguo Zhen Jiu, Chinese Acupuncture & Moxibustion
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