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Análisis de los Términos Utilizados en la Literatura Científica para Referirse a la Cápsula Articular y Ligamentos Articulares de la Articulación Temporomandibular International Journal of Morphology
Fuentes,Ramón; Ottone,Nicolás Ernesto; Bucchi,Cristina; Cantín,Mario.
La identificación de las estructuras anatómicas con un término único, informativo y con ausencia de homónimos, entre otros principios, es la tarea primordial que lleva adelante la Federación Internacional de Programas de Terminologia Anatomica (FIPAT) perteneciente a la International Federation of Anatomical Associations (IFAA). Sin embargo, en la literatura científica, sobre todo con orientación clínica y quirúrgica, existen aún dificultades para adoptar la Terminologia Anatomica Internacional (TAI), generándose múltiples denominaciones para una misma estructura anatómica, complicando la comunicación científica. El objetivo de este trabajo fue analizar los términos utilizados en la literatura científica en relación a la cápsula articular y los ligamentos...
Tipo: Journal article Palavras-chave: Terminologia Anatomica; Cápsula articular; Ligamentos articulares; Articulación temporomandibular.
Ano: 2016 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022016000100049
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Alveolar Ridge Conservation by Early Bone Formation After Tooth Extraction in Rabbits: A Histomorphological Study International Journal of Morphology
Cantín,Mario; Olate,Sergio; Fuentes,Ramón; Vásquez,Bélgica.
Alveolar ridge volume loss is an irreversible process. To prevent this physiological event, which typically result in significant local anatomical changes in both the horizontal and the vertical dimension, some strategies are indicated to minimize the loss of ridge volume that typically follows tooth extraction. The purpose of this study was to evaluate if three different bone grafts could promote new bone formation in the alveolar socket following tooth extraction for the alveolar ridge conservation. First mandibular molars of male adults rabbits were extracted and the extraction sockets were randomly treated with three different bone grafts, one xenograft and two alloplastic grafts, and a group that received no treatment (blood clot). The extraction...
Tipo: Journal article Palavras-chave: Tooth Socket; Bone grafting; Alveolar bone loss; Alveolar ridges preservation.
Ano: 2015 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022015000100058
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Superficial Portion of Abductor Pollicis Brevis Muscle, Morphological Study and Literature Review: Case Report International Journal of Morphology
Méndez R,Guillermo; Zavando,Daniela; Cantín,Mario; Suazo Galdames,Iván.
Abductor pollicis brevis muscle (APB) belongs to the foreground of the subfascial muscle thenar region, which is of great importance in the movement of the thumb on its two-joint arrangement. In this article, we report the presence of a superficial portion of the APB muscle and its relationship and discuss the available literature and the clinical implications of the presence of this variation.
Tipo: Journal article Palavras-chave: Abductor pollicis brevis muscle; Thenar eminence; Thumb; Movement of the thumb.
Ano: 2010 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022010000300005
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Hueso Cortical en Sínfisis Mandibular de Sujetos de Clase I International Journal of Morphology
Velásquez,Humberto; Olate,Sergio; del Sol,Mariano; Cantín,Mario; Vásquez,Bélgica.
El objetivo fue evaluar la relación de tejido óseo cortical presente en el sector anterior y posterior de sínfisis mandibular. Se seleccionaron 18 sujetos clase I dentaria y esqueletal, de ambos sexos, a partir de una tomografía computarizada de haz cónico para analizar morfométricamente en base a la posición de los dientes canino, incisivo lateral e incisivo central de ambos lados; se analizó la distancia vertical desde el ápice dentario hasta el punto más inferior del margen mandibular y la distancia anteroposterior en dos niveles inferiores del ápice (5 mm y 10 mm), donde se identificó el grosor de hueso cortical. El análisis de datos fue realizado con la prueba ANOVA considerando un valor de p<0,05. Se observó que el hueso cortical es de mayor...
Tipo: Journal article Palavras-chave: Sínfisis mandibular; Morfología mandibular; Osteotomía mandibular.
Ano: 2016 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022016000100053
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Evaluación de la Anatomía Mandibular Relacionada con la Osteotomía Sagital de la Rama International Journal of Morphology
Salgado A,Guillermo; Inzunza H,Oscar; Cantín,Mario; Fuentes,Ramón; Inostroza,Verónica; Errázuriz,María Jesús; Pavez,Cindy.
La osteotomía sagital de la rama mandibular (SSRO) es una de las técnicas quirúrgicas más frecuentes para corregir las deformidades de la mandíbula. Con el fin de prevenir problemas anatómicos y quirúrgicos, los cirujanos requieren una mayor investigación sobre las estructuras anatómicas relacionadas con la SSRO. El objetivo de este estudio fue investigar las posiciones de la antilingula (AL), la entrada al nervio alveolar inferior (NAI) en la mandíbula y otros puntos de referencia anatómicos en relación con la língula mandibular (L). Fueron estudiadas 70 hemimandíbulas secas. La AL y los demás puntos de referencia y, la posición correspondiente de la L se marcaron en la cara medial y lateral de la rama mandibular respectivamente. Fueron medidas las...
Tipo: Journal article Palavras-chave: Osteotomía sagital de la rama; Mandíbula; Puntos de referencia anatómicos; Antilingula; Língula; Nervio alveolar inferior.
Ano: 2012 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022012000100005
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Soft and Hard Tissue Relations in Facial Asymmetry International Journal of Morphology
Olate,Sergio; Cantín,Mario; Muñoz,Mariela; Vásquez,Bélgica.
The aim of this study was to determine the relations between hard and soft tissues in subjects with facial asymmetry. Included were subjects aged between 15 and 35 years who presented a chin deviation greater than 5 mm from the midline and a unilateral posterior crossbite. Cone beam computed tomography was used to determine the measurements, positioning them on the three spatial planes; then, 5 bilateral bone points were selected on the coronal image, and parallel measurements were taken to determine the range between the bone point and the most lateral soft tissue point. The statistical analysis was done using the Shapiro-Wilk test, presenting normality in the sample distribution and Levene's test, considering a value of p < 0.05 to obtain significant...
Tipo: Journal article Palavras-chave: Facial asymmetry; Facial analysis; Soft tissues.
Ano: 2016 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022016000300039
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Investigación de Rasgos Dentales No Métricos en Poblaciones Sudamericanas Actuales: Estado de Situación y Contextualización Forense International Journal of Morphology
López-Lázaro,Sandra; Soto-Álvarez,Carolina; Aramburú,Guillermo; Rodríguez,Ivana; Cantín,Mario; Fonseca,Gabriel M.
En las poblaciones humanas recientes existe una patrón de variación geográfico asociado a la morfología del diente. En las últimas décadas se ha generado una notable producción científica en torno al estudio de los rasgos dentales no métricos con el fin de definir los patrones geográficos de los grupos, su historia, origen o estructura, entre otros. Entre las aplicaciones propuestas está la posibilidad del uso de la frecuencia de los diferentes rasgos de expresión en un contexto forense. Se presenta una revisión de la literatura en las bases MEDLINE, SciELO, REDALYC y LILACS. Se incluyeron artículos completos, en español, portugués e inglés, que realicen análisis de rasgos morfológicos dentales en poblaciones sudamericanas actuales (siglos XX y XXI). Los...
Tipo: Journal article Palavras-chave: Antropología dental; Rasgos no métricos; Sudamérica; Odontología forense.
Ano: 2016 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022016000200027
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Percentage of Lateral Pterygoid Muscle Inserted in the Disc of Human Temporomandibular Joint International Journal of Morphology
Tapia Contreras,Jorge; Cantín,Mario; Zavando,Daniela; Suazo Galdames,Iván.
Insertion of the upper head of the lateral pterygoid (UHLP) in the temporomandibular joint disc (TMJ) has been linked to anterior displacement of the disc and temporomandibular disfunction. The aim of this study was to determine in human adults, the percentage of muscle fiber in the upper head of the lateral pterygoid muscle inserted in the articular disc. A systematic review of the literature was designed beginning with articles published in Medline, Lilacs and Scielo data bases between the years 1990 and 2010. Key words "Lateral Pterygoid Muscle" and Pterygoid Lateral Muscle" were used, and the term MeSH "Pterygoid Muscle" with Boolean OR "Lateral Ptrerygoid Muscle" AND "Insertion" and the free terms "Pterygoid Lateral Muscle Disc Articular" and...
Tipo: Journal article Palavras-chave: Lateral pterygoid muscle; Articular disc; Morphology based on evidence; Systematic review.
Ano: 2011 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022011000300051
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Morphometric and Histopathologic Changes in Skeletal Muscle Induced for Injectable PLGA Microparticles International Journal of Morphology
Acuña,Luis; Suazo Galdames,Iván; Zavando,Daniela; Elgueta,Samanta; Velásquez,Luis; Vilos,Cristian; Cantín,Mario.
The administration of microencapsulated drug in a matrix acid poly(lactic-co-glycolic acid) (PLGA) by intramuscular (IM) in humans has been approved by the FDA for various applications though it is not clear what effect they have on the morphological parameters of muscle tissue. The aim of this study was to analyze the morphological changes in the skeletal muscle tissue with their use. We used 12 adult female Sprague Dawley rats (Rattus novergicus) that were injected into their right gastrocnemius muscle belly with: sterile vehicle solution (G1, n = 4), 0.5 mg PLGA microparticle (G2, n = 4) and 0.75 mg PLGA microparticle (G3, n = 4), both dissolved in a sterile vehicle solution. At 14 days post injection the number and diameter of muscle fibers, the level...
Tipo: Journal article Palavras-chave: Skeletal muscle; Drug delivery; Polymeric microparticles; PLGA.
Ano: 2011 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022011000200016
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Variations of the Vocal Fold Epithelium in a Menopause Induced Model International Journal of Morphology
Oyarzún,Patricia; Sepúlveda,Alfredo; Valdivia,María; Roa,Ignacio; Cantín,Mario; Trujillo,Gonzalo; Zavando,Daniela; Suazo Galdames,Iván.
During menopause, changes occur in the laryngeal structures that have implications for the voice. The purpose of this study was to determine the effect of induced menopause on the morphological parameters of the vocal fold mucosa in rats. Ten adult female Sprague-Dawley rats were used as samples and divided into two groups: 5 were surgically oophorectomized (OVX), and 5 underwent a surgical procedure similar to oophorectomy but without removal of the ovaries (SHAM). After 30 days surgery, the characteristics of the epithelium that forms the vocal fold mucosa in terms of cellular arrangement and organization of the epithelium were observed. Through the Morphometrics XS software, the epithelial height and the number and density of cellular layers were...
Tipo: Journal article Palavras-chave: Fold vocal; Voice; Menopause; Oophorectomy.
Ano: 2011 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022011000200011
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Características Morfológicas Métricas y No Métricas del Esternón del Individuo Mapuche International Journal of Morphology
del Sol,Mariano; Vásquez,Bélgica; Cantín,Mario.
El objetivo fue describir las características morfológicas métricas y no métricas del esternón de individuos Mapuche de sexo masculino y comparar estos parámetros con otras poblaciones del mundo. Se realizó un estudio descriptivo sobre 50 esternones secos de individuos Mapuche adultos de la región de la Araucanía, Chile, con edades comprendidas entre los 20 y 84 años. La longitud del esternón se midió en milímetros como la distancia combinada del manubrio y el cuerpo del esternón desde la incisura yugular a la unión xifoesternal, junto a la longitud del manubrio y cuerpo del esternón de manera independiente a lo largo del plano mediosagital. Para el proceso xifoides, se determinó también su longitud, ancho y grosor. Las características no métricas como...
Tipo: Journal article Palavras-chave: Esternón; Osteometría; Mapuche; Rasgos métricos; Rasgos no métricos; Características morfológicas.
Ano: 2014 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022014000100055
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Comparison between Impact Factor, Eigenfactor Score, and SCImago Journal Rank Indicator in Anatomy and Morphology Journals International Journal of Morphology
Cantín,Mario; Muñoz,M; Roa,Ignacio.
The Impact Factor (IF) is considered the best quality indicator for evaluation of scientific journals but has been criticized on many accounts, and its limitations have already been described extensively. New bibliometrics indicators, accepted by the scientific community, has been considered to evaluate quality ranking for journals using more complex algorithms and other databases. The aim of this study was to evaluated three indices of journal scientific impact: (IF), Eigenfactor Score (ES), and SCImago Journal Rank indicator (SJR), of mainstream Anatomy and Morphology journals in 2014. Specific anatomical and morphological journals were selected from Anatomy &amp; Morphology category of Web of Science. The 2014 IFs and ESs were obtained from Journal...
Tipo: Journal article Palavras-chave: Impact Factor; Anatomy and Morphology; Eigenfactor Score; SCImago Journal Rank indicator.
Ano: 2015 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022015000300060
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Mandibular Condyle Repair after Partial Condylectomy in Patients with Active Condylar Hyperplasia International Journal of Morphology
Olate,Sergio; Cantín,Mario; Palmieri,Celso; Alister,Juan Pablo; Muñoz,Mariela; de Moraes,Márcio.
The different aspects of unilateral condylar hyperplasia have been studied and continue to be controversial; nevertheless, treatment based on condylectomy has been established as part of the working protocol. The aim of this investigation was to identify the bone repair observed in surgically treated condyles after 1 year using cone beam computed tomography (CBCT). Nine subjects were included in this study (6 female and 3 male) with an average age of 18.5 years. They had been diagnosed with active unilateral condylar hyperplasia using SPECT, clinical follow-up of progressive facial asymmetry and CBCT. Patients underwent exclusive condylectomy surgery with a piezoelectric system without disc replacement, orthognatic surgery or any other type of adjunct...
Tipo: Journal article Palavras-chave: Condylectomy; Bone remodeling; Condylar hyperplasia.
Ano: 2015 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022015000200054
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Torque de Retiro de Implantes de Titanio Instalados en Tibia de Perros con Defecto Óseo International Journal of Morphology
Almeida,María de; Lanata-Flores,Antonio; Olate,Sergio; Pozzer,Leandro; Cantín,Mario; Vásquez,Bélgica; Albergaria-Barbosa,José de.
El torque de remoción es utilizado para estudiar el comportamiento de implantes y su oseointegración. El objetivo de esta investigación fue determinar el torque de retiro de implantes dentales con defectos óseo asociados de tipo fenestración. Seis perros (Canis familiaris) fueron en semejantes condiciones de peso y talla seleccionados para la investigación. Se realizó un acceso quirúrgico al fémur del animal sitio donde se instalaron 3 implantes, realizándose defectos circulares de 5mm en cada implante. El defecto fue cubierto con membrana absorbible (colágeno), membrana no absorbible (celulosa) o sin cobertura (control). Los animales fueron sometidos a eutanasia a las 3 semanas y a los 8 semanas, momento en que se les realizó el torque de retiro a los...
Tipo: Journal article Palavras-chave: Torque retiro; Oseointegración; Regeneración ósea.
Ano: 2013 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022013000200058
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The h-index in Academic Morphology International Journal of Morphology
Cantín,Mario; Muñoz,M; Roa,Ignacio.
The h-index is an objective and easily calculable measure that can be used to evaluate both the relevance and amount of scientific contributions of an individual author and field. The aim was to examine how the h-index of academic morphologists in Chile relates with academic rank. A descriptive and correlational study was design. We accessed the Chilean Society of Anatomy professor list in January of 2015, for analysis of academic morphologists' h-indexes using the Scopus database, and data was organized by academic rank. Also, m-Quotient was calculated. Institutional productivity was measured, and institutions were ranked on the basis of cumulative h-index, m-Quotient and the total number of publications and citations. For all morphologists analyzed, the...
Tipo: Journal article Palavras-chave: H-index; Morphology; Morphological sciences; Bibliometrics; Bibliometrics tool; Number of publications; Number of citations; Academic research; Citation analysis.
Ano: 2015 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022015000200046
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Estructura Nasal en Pacientes con Deformidad Facial Clase III International Journal of Morphology
Olate,Sergio; Cantín,Mario; Vásquez,Bélgica; Olate,Gabriela.
El objetivo de esta investigación fue conocer aspectos morfológicos de la estructura nasal en sujetos con diagnóstico de deformidad facial clase III. Se realizó un estudio con tomografía computadorizada Cone Beam sobre 20 pacientes entre 18 y 35 años para identificar mediciones a nivel de la apertura piriforme, huesos propios de la nariz y ángulos de dorso nasal y labio superior. El estudio se realizó en el software del sistema realizando las mediciones de acuerdo a condicione estándar; el análisis de datos fue de forma descriptiva y mediante la prueba t de student considerando el valor de p<0,05 para obtener significancia estadística. Los resultados demostraron importantes variaciones en la altura de los huesos nasales y la forma de la apertura...
Tipo: Journal article Palavras-chave: Deformidad facial; Nariz; Morfometría facial.
Ano: 2014 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022014000100053
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Anatomical Reproducibility through 3D Printing in Cranio-Maxillo-Facial Defects International Journal of Morphology
de Moraes,Paulo Hemerson; Olate,Sergio; Cantín,Mario; Assis,Adriano Freitas; Santos,Edson; Silva,Filipe de Oliveira; Silva,Lucas de Oliveira.
The planning and 3D reconstruction in craniofacial defects based on anatomical principles of symmetry and passive adaptation has evolved radically the past few years. This article recounts the possibility to develop personalized and extensive craniofacial implants. We present a case of a patient with a 10-year trauma sequel evolution; the patient lost the right frontal bone, supraorbital wall and part of the temporal fossa. From the computerized tomography, and by using Materialise software (3-Matic and Mimics). Subsequently, the printing was performed using the virtual planning with a laser printer in titanium where the piece was elaborated with the determined specifications in the planning; surgery was performed without complications in which the implant...
Tipo: Journal article Palavras-chave: 3D printing; Selective laser melting; Facial implant.
Ano: 2015 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022015000300003
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Evaluation of Facial Asymmetry Using Soft-Tissue Thickness for Forensic Purposes International Journal of Morphology
Torres Muñoz,Sebastián René; Cantín,Mario; Pérez Rojas,Francisco Javier; Suazo Galdames,Iván.
Facial reconstruction for forensic sculpture aims to reproduce the face of an individual for identification. This technique is based on the knowledge of the facial soft-tissue thickness, which differs in terms of sexual dimorphism. However, in terms of asymmetry, the real significance of the soft-tissue thickness on both sides of the face is not considered to make an approximation of the morphofacial characteristics of an individual. This study analyzed the facial tissue thickness of 32 adult Spanish corpses of both sexes in six bilateral cephalometric landmarks through the needle puncture technique, comparing the measurements of right and left sides. No significant differences were found when comparing the soft-tissue thickness on the right and left sides...
Tipo: Journal article Palavras-chave: Facial asymmetry; Facial reconstruction; Tissue thickness; Medicolegal identification.
Ano: 2011 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022011000300063
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Relación Entre el Tamaño Condilar y la Asimetría Facial Transversal en Individuos con Hiperplasia Condilar International Journal of Morphology
Olate,Sergio; Cantín,Mario; Alister,Juan Pablo; Uribe,Francisca; Navarro,Pablo; Olate,Gabriela; de Moraes,Márcio.
La asimetría facial es una patología de compromiso funcional y estético que puede estar generado por hiperplasia condilar; el objetivo de esta investigación es determinar la influencia del tamaño condilar en la asimetría facial. Doce sujetos fueron estudiados mediante el análisis de tomografía computadorizada cone beam; todos los pacientes presentaron cintigrama óseo que determino la presencia de hiperplasia condilar activa; el análisis se realizo en un software del sistema de captura modelo Pax Zenith, marca Vatech (Korea 2011), utilizando 90 kV y 120 mA; se obtuvo mediciones de la distancia antero-posterior, superior-inferior y medio-lateral de la cabeza del cóndilo, relacionándose con la posición del cóndilo con la línea mediana facial y la posición de...
Tipo: Journal article Palavras-chave: Asimetría facial; Hiperplasia codilar; Deformidad facial.
Ano: 2013 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022013000300027
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Angiogenesis and Tumor Progression Inhibition of Cyclooxygenase-2 Selective Inhibitor Celecoxib Associated with Poly (lactic-co-glycolic acid) in Tumor Cell Line Resistant to Chemotherapy International Journal of Morphology
Roa,Ignacio; Cantín,Mario; Vilos,Cristian; Rosas,Carlos; Lemus,David.
Although, antineoplastic therapies have now been developed reduction of tumor progression,itis necessarytofind new therapeutic alternatives to suppress angiogenesis.Thus celecoxib (Cx) has been used for its antiangiogenic action in combination with certain polymeric compounds such as poly (lactic co-glycolic acid) (PLGA) acid, which help to improve the bioavailability and avoid effects of long drug administrations. For this purpose we used a murine tumor modelinduced by mammary adenocarcinoma cells resistant to chemotherapy (TA3-MTXR). CX/PLGA inhibits the microvascular density, VEGF expression and cell proliferationinaddition to increased apoptosis (P <0.0001). Cx reduces tumor progression in a concentration of 1000 ppm associated with PLGA, reducing...
Tipo: Journal article Palavras-chave: Angiogenesis; Cancer; Celecoxib; PLGA; Apoptosis; VEGF; CellProliferation.
Ano: 2017 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022017000200055
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