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Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft

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https://www.readbyqxmd.com/read/29458136/changes-in-anatomic-position-of-root-canal-orifices-in-pluriradicular-teeth-following-re-location-during-endodontic-treatment
#1
Darian Rusu, Petra Surlin, Stratul Stefan-Ioan, Marius Boariu, Calniceanu Horia, Adrian Kasaj, Cosmin Sinescu, Didilescu Andreea
Direct access to the root canals in posterior teeth for endodontic treatment is most frequently facilitated by the straightening of the coronal parts of the root canals, having as a consequence the relocation of the canal orifices on the map of the floor of the pulp chamber (Christie & Thompson, 1994). This procedure intentionally moves the coronal aspect of a canal away from the center of the chamber, while simultaneously removing internal dentin from the pulp chamber walls. The aim of this study was to evaluate the displacement resulting from the relocation of root canal orifices during the initial phase of rotary root canal treatment in molars using the dental operating microscope (DOM) and digital image processing...
February 16, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29458135/porcine-heart-interatrial-septum-anatomy
#2
Mateusz K Hołda, Mateusz Koziej, Katarzyna Piątek, Wiesława Klimek-Piotrowska
BACKGROUND: The left-sided atrial septal pouch (SP), a recently re-discovered anatomical structure within the human interatrial septum, has emerged as a possible source of thrombi formation and a trigger for atrial fibrillation, thereby potentially increasing the risk for ischemic stroke. In many studies, the swine interatrial septum has been used as model of the human heart. Also, possible new strategies and devices for management of the SPs may first be tested in this pig model. Therefore, in this study, we aimed to evaluate swine interatrial septum morphology and to compare it with the human analog, especially in the light of SP occurrence...
February 16, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29454891/a-new-procedure-for-processing-extracted-teeth-for-immediate-grafting-in-post-extraction-sockets-an-experimental-study-in-american-fox-hound-dogs
#3
José Luis Calvo Guirado, Pilar Cegarra Del Pino, Lari Sapoznikov, Rafael Arcesio Delgado Ruíz, Manuel Fernández Dominguez, Sérgio Alexandre Gehrke
OBJECTIVES: To investigate freshly extracted dental particulate used to graft post-extraction sockets in dogs, comparing new bone formation at experimental and control sites. MATERIAL AND METHODS: Bilateral premolars P2, P3, P4 and first mandibular molars were extracted atraumatically from six American Fox Hound dogs. The teeth were ground immediately using a 'Smart Dentin Grinder.' The dentin particulate was sieved to ensure a grain size of 300-1200μm and immersed in an alcohol cleanser to dissolve organic debris and bacteria, followed by washing in sterile saline buffer solution...
February 15, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29444455/anatomists-perceptions-of-the-skills-and-attributes-required-of-newly-recruited-medical-students
#4
Bernard J Moxham, Odile Plaisant, Baptiste Lignier, Feisal Brahim
BACKGROUND AND PURPOSE: Admission procedures for recruiting students to medical school vary considerably across the world. Notwithstanding such variability, it is important to know what skills and attributes are required of the students by their teachers on entering medical school. PROCEDURES: Anatomists are often the teachers who first meet the students as they enter medical school and this report analyses, by means of a questionnaire, the putative skills required of their medical students by anatomists from the U...
February 11, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29427738/reversal-of-drug-induced-gingival-overgrowth-by-uv-mediated-apoptosis-of-gingival-fibroblasts-an-in-vitro-study
#5
Casey Ritchhart, Anita Joy
Gingival Overgrowth (GO) is an undesirable result of certain drugs like Cyclosporine A (CsA). Histopathology of GO shows hyperplasia of gingival epithelium, expansion of connective tissue with increased collagen, or a combination. Factors such as age, gender, oral hygiene, duration, and dosage also influence onset and severity of GO. One of the mechanisms behind uncontrolled cell proliferation in drug-induced GO is inhibition of apoptotic pathways, with a consequent effect on normal cell turnover. Our objective was to determine if UV photo-treatment would activate apoptosis in the gingival fibroblast component...
February 7, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29408367/review-limb-regeneration-in-humans-dream-or-reality
#6
Lorenzo Alibardi
Appendage regeneration occurs by a sequence of events resembling those that take place during development in the embryo. This requires embryonic conditions such as hydration and hyaluronate content where Wnt and other signaling pathways, together with non- coding RNAs, can be re-expressed. These conditions among vertebrates are fully met only in amputated limbs of amphibians, likely because they are neotenic and maintain larval characteristics, including immaturity of their immune system and permanence of numerous stem cells...
February 3, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29305268/long-term-estradiol-17%C3%AE-exposure-decreases-the-cholinergic-innervation-pattern-of-the-pig-ovary
#7
B Jana, K A Meller, M Czajkowska, J Całka
Elevated levels of endogenous estrogens in the course of pathological states of ovaries, as well as xenoestrogens, may lead to hyperestrogenism. It has previously been demonstrated that long-term estradiol-17β (E2) administration in adult gilts affected the population of sympathetic intraovarian nerve fibers. The aim of this study has been to determine the effect of long-term E2 exposure on the cholinergic innervation pattern of porcine ovaries. Intraovarian distribution and the density of nerve fibers immunoreactive (IR) to vesicular acetylocholine transporter (VAChT) and/or neuronal isoform of nitric oxide synthase (nNOS), vasoactive intestinal polypeptide (VIP), somatostatin (SOM) were determined...
January 2, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29301094/induced-post-traumatic-apexification-20-year-follow-up-and-morphological-study-after-new-fracture
#8
Federica Fonzar, Leopoldo Forner, Riccardo Fabian-Fonzar, Carmen Llena
Apexification is an endodontic technique used in immature necrotic teeth, the primary goal of which is to induce a calcified barrier in roots with open apices and to promote the continuation of apical root development. A 7-year-old patient with a coronal fracture in a maxillary central incisor was treated with an apexification technique using calcium hydroxide. The apical closure was obtained after one year, then a permanent root canal filling was performed. The tooth was monitored for a period of 20 years, up to when a trauma caused its extraction...
January 1, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29301093/biomolecules-in-the-treatment-of-lichen-planus-refractory-to-corticosteroid-therapy-clinical-and-histopathological-assessment
#9
Laura Piñas, Mohammad Hamdan Alkhraisat, Ricardo Suárez Fernández, Eduardo Anitua
BACKGROUND: Local deficit of several biomolecules have been described in oral lichen planus (OLP). Such a deficit impairs cellular functions and cell-matrix communication. PURPOSE: Assess the efficacy of the local application of autologous biomolecules in the treatment of erosive OLP. MATERIALS AND METHODS: In this study, the use of plasma rich in growth factors (PRGF) as a source of blood-derived and autologous growth factors and proteins were tested in erosive oral lichen planus refractory to corticosteroids...
January 1, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29292173/fetal-sigmoid-colon-mesentery-in-relevance-in-fetal-ultrasound-application-a-pilot-study
#10
Slawomir Wozniak, Jerzy Florjanski, Henryk Kordecki, Marzena Podhorska-Okolow, Zygmunt Domagala
INTRODUCTION: Ultrasound examinations during pregnancy are routine procedures used to detect fetal congenital malformations. Ultrasound monitoring of sigmoid colon mesenterial development could be useful for early detection of subjects at risk of sigmoid colon volvulus. OBJECTIVE: The aim of our paper was to assess the sigmoid colon length, and sigmoid colon mesentery width and height in the late fetal period, and, using the results, to estimate the surface area of the mesocolon (in mm2) in living fetuses...
December 29, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29289711/lipopolysaccharide-induces-tumor-necrosis-factor-receptor-1-independent-relocation-of-lymphocytes-from-the-red-pulp-of-the-mouse-spleen
#11
Ivana M Lalić, Rudolf Bichele, Anja Repar, Sanja Z Despotović, Saša Petričević, Martti Laan, Pärt Peterson, Jürgen Westermann, Živana Milićević, Ivana Mirkov, Novica M Milićević
It is well known that bacterial lipopolysaccharide (LPS) induces migration of several cellular populations within the spleen. However, there are no data about the impact of LPS on B and T lymphocytes present in the red pulp. Therefore, we used an experimental model in which we tested the effects of intravenously injected LPS on the molecular, cellular and structural changes of the spleen, with special reference to the red pulp lymphocytes. We discovered that LPS induced a massive relocation of B and T lymphocytes from the splenic red pulp, which was independent of the tumor necrosis factor receptor-1 signaling axis...
December 28, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29289710/early-molecular-response-and-microanatomical-changes-in-the-masseter-muscle-and-mandibular-head-after-botulinum-toxin-intervention-in-adult-mice
#12
Julián Balanta-Melo, Viviana Toro-Ibacache, Maria Angélica Torres-Quintana, Kornelius Kupczik, Carolina Vega, Camilo Morales, Nadia Hernández-Moya, Manuel Arias-Calderón, Carolina Beato, Sonja Buvinic
BACKGROUND: Masseter muscle paralysis induced by botulinum toxin type A (BoNTA) evokes subchondral bone loss in mandibular heads of adult rats and growing mice after 4 weeks. However, the primary cellular and molecular events leading to altered bone remodeling remain unexplored. Thus, the aim of the current work has been to assess the molecular response that precedes the early microanatomical changes in the masseter muscle and subchondral bone of the mandibular head in adult mice after BoNTA intervention...
December 28, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29289709/periostin-dentin-matrix-protein-1-and-p2rx7-ion-channel-in-human-teeth-and-periodontal-ligament
#13
I Menéndez-Diaz, J D Muriel, O García-Suárez, A Obaya, S Cal, J Cobo, J A Vega, T Cobo
The periostin is a matricellular protein present in the human periodontal ligament and human dental pulp-derived cells lines, that up-regulates the in vitro expression of some genes involved in the dentin mineralization, such as dentin matrix protein 1 and P2×7-ion channel receptor. Here we investigated the distribution of periostin in human teeth and periodontal ligaments, mapping in parallel the localization of dentin matrix protein 1 and P2×7-ion channel receptor to establish whether or not they are expressed in the same places as periostin...
December 28, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29289708/effect-of-ageing-on-the-myosin-heavy-chain-composition-of-the-human-sternocleidomastoid-muscle
#14
M Meznaric, I Eržen, P Karen, E Cvetko
The myosin heavy chain (MyHC) composition of ageing limb muscles is transformed into a slower phenotype and expresses fast-twitch fiber type atrophy, presumably due to age-related motor unit remodeling and a change in the patterns of physical activity. It is not known if ageing affects the sternocleidomastoid muscle (SCM) in a similar way. The goal of the study was to analyze the MyHC composition and the size of muscle fibres in the ageing SCM by immunohistochemical methods and quantitative analysis and stereology using our own software for morphometry...
December 28, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29289707/periodontal-materials-and-cell-biology-for-guided-tissue-and-bone-regeneration
#15
REVIEW
Mihai Andrei, Anca Dinischiotu, Andreea Cristiana Didilescu, Daniela Ionita, Ioana Demetrescu
The present review is intended to find links between periodontal materials of the dentomaxillary apparatus and cell biology at the beginning of a century fraught with various forms of periodontal diseases and needing new treatment strategies. The manuscript has two different parts. The first describes the anatomy of tooth supporting structures, as well as related pathologies. The second part is related to cell and molecular biology in the context of periodontal regeneration.
December 28, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29288705/massa-adiposa-ligamenti-falciformis-or-anterior-abdominal-fat-pad-its-dimension-and-relation-to-body-weight
#16
Friedemann Strobel, Eckart Schirg, Martin Schlaud, Thomas Tschernig
The anterior abdominal fat pad is associated with the falciform ligament in the upper middle/right abdomen and is frequently seen there in diagnostic imaging. It varies greatly in size and has often been described as an incidental finding in adults and has hitherto rarely been regarded as being illness-relevant. The aim of this study has been to assess whether the dimension of the corpus adiposum may be associated with body mass index. Ultrasound findings of 26 patients from birth until adolescence were analyzed for this purpose...
December 27, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29278744/quantification-of-surfactant-proteins-in-tears-of-patients-suffering-from-dry-eye-disease-compared-to-healthy-subjects
#17
Andreas Posa, Friedrich Paulsen, Richard Dietz, Fabian Garreis, Ralph Sander, Martin Schicht, Saadettin Sel, Michael Scholz, Christian M Hammer, Lars Bräuer
PURPOSE: To quantify and compare the amounts of surfactant proteins SP-A, SP-B, SP-C and SP-D in the tear fluid collected from patients with dry eye syndrome and from individuals with a healthy ocular surface. METHODS: Schirmer strips were used to collect tear fluid from both eyes of 241 volunteers (99 men, 142 women; age range: 18-87 years). Dry eye syndrome was diagnosed by ophthalmologists in 125 patients, whereas the healthy control group comprised 116 individuals...
December 24, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29274384/carthamus-tinctorius-l-extract-improves-hemodynamic-and-vascular-alterations-in-a-rat-model-of-renovascular-hypertension-through-ang-ii-at1r-nadph-oxidase-pathway
#18
Sarawoot Bunbupha, Chutamas Wunpathe, Putcharawipa Maneesai, Thewarid Berkban, Upa Kukongviriyapan, Veerapol Kukongviriyapan, Parichat Prachaney, Poungrat Pakdeechote
Carthamus tinctorius L. (CT) is widely used in Asian countries as a beverage and in folk medicine. The effects of CT extract on hemodynamics, vascular remodeling, the renin-angiotensin system (RAS) and oxidative stress in the two-kidney, one clip (2K-1C) hypertensive rat model were investigated. Renovascular hypertension was induced in male Sprague-Dawley rats and were treated with CT extract (500mg/kg/day) or captopril (5mg/kg/day) or vehicle for four weeks. CT extract or captopril reduced blood pressure, hindlimb vascular resistance, and increased hindlimb blood flow in 2K-1C hypertensive rats (p <0...
December 20, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29274383/human-body-donation-in-thailand-donors-at-khon-kaen-university
#19
N Techataweewan, C Panthongviriyakul, Y Toomsan, W Mothong, P Kanla, A Chaichun, P Amarttayakong, N Tayles
BACKGROUND: Culture, society and spirituality all contribute to variability in the characteristics of human body donors and donation programmes worldwide. The donors and the body donation programme at Khon Kaen University, northeast Thailand, reflect all these aspects of Thailand, including the status accorded to the donors and the ceremonial acknowledgment of the donors and their families. METHODS: Data from the programme records and from surveys of samples of currently registering donors and recently received donor bodies are analysed to define the characteristics of both registering and received donors, including motivation, demography, socio-economic status, health, and use of the bodies...
December 20, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29248711/ultrasound-assessment-of-soft-tissue-augmentation-around-implants-in-the-aesthetic-zone-using-a-connective-tissue-graft-and-xenogeneic-collagen-matrix-1-year-randomised-follow-up
#20
Monika Puzio, Artur Błaszczyszyn, Jakub Hadzik, Marzena Dominiak
PURPOSE: A comparative, ultrasound evaluation of the thickness of keratinized mucosa (TKT) around implants one year after gingival augmentation (GA) by means of a connective tissue graft (CTG) and the xenogeneic collagen matrix (CMX). MATERIALS AND METHODS: A total of 75 bone level tapered implants (Conelog® Camlog) were inserted in 57 patients in the aesthetic area of both jaws. The patients were divided into 3 groups: control group I- without GA; group II- GA 3 months before implantation, and group III- GA 3 months after implantation...
December 14, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
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