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Ortopantomographic Blind Test of Mandibular Ramus Flexure as a Morphological Indicator of Sex in Chilean Young Adults International Journal of Morphology
Suazo Galdames,Iván Claudio; San Pedro Valenzuela,Jaime; Schilling Quezada,Nilo Alejandro; Celis Contreras,César Eduardo; Hidalgo Rivas,José Alejandro; Cantín López,Mario.
Loth & Henneberg (1996) described a simple morphological feature for sex determination by observing the flexure of the posterior margin of the mandibular ramus, at the level of the plane occlusal. The purpose of this study is to analyze the level of agreement for determining the sex by observing the parameters described by Loth and Henneberg, in ortopantomography of totally dentate Chilean young adults. This study is based on 188 files of ortopantomography acquired from the Department of Radiology of the Dental School of Universidad de Talca, Chile. In brief, our studies indicated that in the ortopantomography of females 63.25% (62-64.5%) was correctly sexed, whereas the prediction accuracy was only 48.25% (46.5­50%) for men. The success...
Tipo: Journal article Palavras-chave: Mandible; Sex assessment; Blind test.
Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022008000100015
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Evaluación Ultrasonográfica del Tejido Blando Facial en Adultos Chilenos International Journal of Morphology
Suazo Galdames,Iván Claudio; Salgado Alarcón,Guillermo Enrique; Cantín López,Mario Gonzalo.
Existen variadas técnicas para realizar la identificación médicolegal en restos cadavéricos u osamentas. Una de ellas es la identificación por escultura forense. Para esto, se necesitan ciertas referencias en la relación entre tejido óseo y tejido blando. El objetivo de esta investigación fue determinar los grosores tisulares faciales mediante ultrasonografía y correlacionarlos con edad y sexo. Se seleccionó una muestra de 48 personas, entre 21 y 50 años de edad de ambos sexos, que consultaron al Servicio de Imagenología de la Clínica Multimédica de Talca, Chile, distribuidas en dos grupos: A: 12 hombres y 12 mujeres entre 21 y 35 años de edad, B: 12 hombres y 12 mujeres entre 36 y 50 años de edad. Para este estudio se utilizó un ecógrafo General...
Tipo: Journal article Palavras-chave: Forense; Reconstitución facial; Grosor de tejido blando; Identificación.
Ano: 2007 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022007000300029
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Sexual Dimorphism Determination by Piriform Aperture Morphometric Analysis in Brazilian Human Skulls International Journal of Morphology
Cantín López,Mario; Suazo Galdames,Iván Claudio; Zavando Matamala,Daniela Alejandra; Smith,Ricardo Luiz.
The sex determination of human skeletons is important in forensic and anthropological research. It can be carried out through qualitative or quantitative analysis of morphological parameters of dimorphism. The shape of the piriform aperture is one of the classic indicators of sexual dimorphism since it describes differences between males and females according to strong population-specific behavior. The purpose of this study was to analyze the presence of sexual dimorphism in the size of the piriform aperture and its relationship with individual skin color. We used 90 human skulls from the Collection of the Federal Universidad de Sao Paulo (UNIFESP), with registered data on sex, age and skin color (classified as white, black and brown). The dimensions...
Tipo: Journal article Palavras-chave: Sexual dimorphism; Piriform aperture; Skulls.
Ano: 2009 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000200007
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Ossification of the Sella Turcica and Clinoid Ligments: Case Report, Morphological Study and Literature Review International Journal of Morphology
Suazo Galdames,Iván Claudio; Zavando Matamala,Daniela Alejandra; Smith,Ricardo Luiz.
The morphology of the Sella Turcica is important both as a reference in cephalometric studies and in the pituitary gland, internal carotid artery and cavernous sinus surgical boarding. The present report describes a case of partial ossification of the sella turcica walls in a dry skull of 40-year-old Brazilian individual. We analyze the morphometric characteristics of the región.
Tipo: Journal article Palavras-chave: Sella turcica; Pituitary; Carotid aneurysm; Interclinoid ligament.
Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022008000400002
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Comparisons in Soft-Tissue Thicknesses on the Human Face in Fresh and Embalmed Corpses Using Needle Puncture Method International Journal of Morphology
Suazo Galdames,Iván Claudio; Cantín López,Mario; Zavando Matamala,Daniela Alejandra; Perez Rojas,Francisco Javier; Torres Muñoz,Sebastián René.
The aim of the present study is to analyze the differences in the soft facial tissue thicknesses measured in corpses without fixing, with recent death, and in embalmed corpses. 30 male human corpses were used; they were divided into two groups according to the presence or absence of a conservation method. Fifteen bodies, without any method of conservation, with an average age of 38.6 years (SD 8.37) and Fifteen preserved bodies by means of the intravascular injection technique of fixing conservative solution on the basis of formaldehyde, with an average age of 38.4 years (SD 7.67). In each one of them the thickness was measured in eight medium and six bilateral paramedium landmarks, using the needle-punction method. The descriptive statistical ones were...
Tipo: Journal article Palavras-chave: Facial reconstruction; Soft-tissue thickness; Identification; Embalming; Cadavers.
Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022008000100027
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Is the Conduct of Serres an Anatomical Variation in Adults? International Journal of Morphology
Suazo Galdames,Iván Claudio; Zavando Matamala,Daniela Alejandra; Smith,Ricardo Luiz.
In 1817, the denominated conduct of Serres was described as a formation that was highly prevalent in children's jaws, but considered as an anatomical variation in adults. In this study we analyze the presence of the denominated Serres'- conduct in 324 jaws belonging to the collection of the Universidade Federal de Sao Paulo (UNIFESP), with sex and age registration, 68 subadults of age between 0 and 2 years and 256 adults of age between 18 and 100 years. We found that the prevalence was in order to 100% in the subadults group and 42.6% in the adults group. In adults, the prevalence of this anatomical structure was greater in women than in men, with a difference statistically significant for the variable sex (Chi2 = 0.0148; I.C 95%=0.29-0.91; O.R. =0.51)....
Tipo: Journal article Palavras-chave: Conduct of Serres; Jaws; Anatomical variation; Anatomical terminology.
Ano: 2009 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000100008
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¿Es Posible la Determinación de la Afinidad Racial a Partir del Análisis Biométrico de Cráneos Humanos? International Journal of Morphology
Zavando,Daniela; Suazo Galdames,Iván Claudio; Smith,Ricardo Luiz.
Del cráneo humano se obtienen datos métricos para el diagnóstico de sexo, edad y afinidad racial. El propósito de este estudio fue determinar, por medio de dimensiones lineales faciales y craneales, una función discriminante e identificar aquellas dimensiones más útiles, para predecir el color de piel a partir de cráneos. Se analizaron 208 cráneos de la colección de la Universidade Federal de São Paulo, pertenecientes a individuos con afinidad racial para blanco, negro y mulato, de acuerdo al registro. Se determinaron las siguientes dimensiones: Biéurica, Glabela-Opistocráneo, Basion- Bregma, Nasion- Prostion, Bicigomática, ancho máximo de la apertura piriforme y la distancia Nasion-Espinal. Se realizó un análisis estadístico con ANOVA de un factor, test...
Tipo: Journal article Palavras-chave: Cráneo; Raza; Color de piel; Análisis Discriminante; Dimensiones Craneales; Dimensiones Faciales.
Ano: 2009 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000300004
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Sexual Dimorphism Determination from the Lineal Dimensions of Skulls International Journal of Morphology
Zavando Matamala,Daniela Alejandra; Suazo Galdames,Iván Claudio; Smith,Ricardo Luiz.
The sex determination from human skulls can be made by means of morphologic and morphometric methods have been broadly studied. These methods contribute with objective data; however, they present interpopulational variability. The purpose of this article is to determine sexual dimorphism using lineal dimensions in a sample of human skulls collection belonging to the Universidade Federal de Sao Paulo (UNIFESP), calculating the discriminant function. To complete the selection approaches, 226 skulls were analyzed. Mensurements were carried out among the following reference points of the skull: right Eurion- left Eurion (Eu - Eu), Glabella-Opisthocranion (Gla - Op), Basion - Bregma (Ba-Br), Nasion - Prosthion (Na-Pr), Bizigomatic (Zi-Zi), Maximal width of the...
Tipo: Journal article Palavras-chave: Craniometries points; Skull; Sexual dimorphism; Discriminant function.
Ano: 2009 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000100024
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Relationship Between Pterygopalatine Fossa Volume and Cephalic and Upper Facial Indexes International Journal of Morphology
Coronado Gallardo,César Andrés; Suazo Galdames,Iván Claudio; Cantín López,Mario Gonzalo; Zavando Matamala,Daniela Alejandra.
The maxilary nerve can be block in the pterygopalatine fossa, entering from oral cavity via greater palatine canal. The aim of this study was to analyse the volume of the pterygopalatine fossa and its relationship with upper facial height and cephalic indexes. In 71 human adults skulls, without sex distinction, was determined the volume of the pterygopalatine fossa and cephalic and upper facial height indexes. Through a t test (p < 0.05) were compared the average volume between cephalic and facial types. The average volume of the pterygopalatine fossa was 1.2 mi (DS 0.297), were not found differences according to the cephalic or facial type.
Tipo: Journal article Palavras-chave: Pterygopalatine fossa; Cephalicindex; Upper facialindex; Maxillary anaesthesia.
Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022008000200023
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Performance Evaluation as a Diagnostic Test for Traditional Methods for Forensic Identification of Sex International Journal of Morphology
Suazo Galdames,Iván Claudio; Zavando Matamala,Daniela Alejandra; Smith,Ricardo Luiz.
This study assesses the quality, as a diagnostic test, of the main indicators of morphological sexual dimorphism through direct anthropometry, biostatistics tools and clinical epidemiology. This study used 284 skulls of adult Brazilians, of which 187 were male and 97 female. A study of the cross-evaluation of the diagnostic test was performed; it was a qualitative approach based on visual examination of 16 traditional indicators of morphological sexual dimorphism, where each indicator determined the level of accuracy, sensitivity, predictive values, likelihood ratios, and odds ratio. All indicators studied had high levels of accuracy (84.75­72.89%). The best indicators were found in traits whose formation is related to the insertion and action of major...
Tipo: Journal article Palavras-chave: Forensic anthropology; Sex identification; Sexual dimorphism; Diagnosis test.
Ano: 2009 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000200012
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Efecto Mozart en el Aprendizaje Práctico de la Anatomía International Journal of Morphology
Suazo Galdames,Iván Claudio; Cantín López,Mario; Salgado Alarcón,Guillermo Enrique; Gajardo Contreras,Carolina Haydée; Caballero Moyano,Paula Macarena; Trujillo Hernández,Erick Gonzalo; Bustos Alvarez,Ivonne Patricia; Zavando Matamata,Daniela Alejandra.
El término efecto Mozart comienza a utilizarse a partir de los trabajos de Rauscher et al. (1993), quienes observaron mejores resultados en tareas que requerían orientación temporo-espacial en estudiantes universitarios. El objetivo de este estudio es analizar el efecto que tiene en el aprendizaje práctico de la anatomía la aplicación de estímulos musicales relacionados con el denominado efecto Mozart. Participaron 254 estudiantes de las carreras de Odontología, Fonoaudiología y Tecnología Médica. Los grupos de estudio fueron sometidos durante toda una Unidad temática a estimulación auditiva utilizando el primer movimiento de la Sonata para dos Pianos en D Mayor (K. 448) de Mozart, los grupos controles desarrollaron su actividad práctica sin estimulación...
Tipo: Journal article Palavras-chave: Efecto Mozart; Aprendizaje; Aprendizaje práctico; Anatomía.
Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022008000300033
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Mandibular Condyle Position in Maximum Mouth Opening: A Magnetic Resonance Imaging Evaluation International Journal of Morphology
Juca,Katharina Fernandes; Suazo Galdames,Iván Claudio; Guimarães,Antonio Sergio.
The purpose of this study was to analyze the condylar position in the maximum mouth opening in a group of individuals with and without temporomandibular joint disorders (TMD) using corrected magnetic resonance imaging (MRI). It was analyzed the MRIs of 200 temporomandibular joint (TMJ) of 100 adults (25 males and 75 females). The images protocol of the MRIs were in corrected sagittal plane T1, with the patient kept at a maximum mouth opening without pain. All the images were obtained parallel to the Frankfurt plane. The images were split by two lines parallel to the upper base of the image which was obtained parallel to the Frankfurt plane, tangential to the articular tubercle and the condyle of each TMJ, and set along the discrepancy of the condylar...
Tipo: Journal article Palavras-chave: Temporomandibular joint; Oral opening; Maximal opening mouth; Condylar position; Temporomandibular dysfunction; Articular hypermobility.
Ano: 2009 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000300037
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Anatomía Microscópica de las Glándulas Salivales por Medio de una Técnica Histológica Convencional y no Convencional International Journal of Morphology
Suazo Galdames,Iván Claudio; Roa Henríquez,Ignacio Javier.
Las técnicas de fijación y conservación permiten detener los procesos de desorganización de los tejidos y son necesarios para analizar la anatomía microscópica de ellos. El propósito de este estudio fue analizar las características histológicas de las glándulas parótida y submandibular obtenidas a partir de tres cadáveres humanos fijados y conservados mediante: a) solución conservadora en base a formaldehido (muestra I) y b) cámara de frío por 12 horas (muestra II), ambas muestras procesados para hematoxilina-eosina (H-E); c) plastinación con resina epóxica (muestra III) y procesado para H-E y con azul de metileno- eosina sin inclusión previa. Se analizaron las características de los adenómeros y sistema de conductos glandulares. Las mejores...
Tipo: Journal article Palavras-chave: Técnica histológica; Plastinación; Fijación; Conservación; Glándulas salivales.
Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022008000300029
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Estilos de Aprendizaje y su Correlación con el Rendimiento Académico en Anatomía Humana Normal International Journal of Morphology
Suazo Galdames,Iván Claudio.
Los estilos de aprendizaje se describen como un conjunto de rasgos cognitivos, afectivos y fisiológicos que sirven como indicadores relativamente estables, de cómo los individuos perciben, interaccionan y responden a sus ambientes de aprendizaje, estos se consideran como factores que influyen en el rendimiento académico. El objetivo de este trabajo fue determinar la correlación existente entre los estilos de aprendizaje y el rendimiento académico obtenido por los estudiantes en el curso de Anatomía Humana Normal. A una muestra de 82 estudiantes de las carreras de kinersiología y fonoaudiología de >la Universidad de Talca que cursaron anatomía normal el año 2003 se le aplicó el cuestionario de estilos de aprendizaje de Honey-Alonso (CHAEA). Los valores...
Tipo: Journal article Palavras-chave: Educación; Anatomía Humana; Estudiantes; Enseñanza-aprendizaje.
Ano: 2007 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022007000200022
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Aspectos Biométricos del Canal Mandibular International Journal of Morphology
Suazo Galdames,Iván Claudio; Morales Herrera,Carlos Andrés; Cantín López,Mario Gonzalo; Zavando Matamala,Daniela Alejandra.
El canal mandibular recorre este hueso longitudinalmente, relacionándose en su segmento medio con las piezas dentarias molares y premolares. El conocimiento de la relación del canal mandibular con las piezas dentarias y con las corticales mandibulares es de gran importancia para la práctica de la implantología. En el presente estudio se analizan las relaciones de la porción media del canal mandibular con las corticales mandibulares pertenecientes a individuos de sexo femenino, de entre 50 y 65 años, con caracterización antropométrica coincidente con el registro. Se realizaron mediciones en tres niveles del segmento medio (A-B-C). Los resultados muestran que el canal mandibular presenta una forma ovoidea y que sus diámetros disminuyen a medida que desciende...
Tipo: Journal article Palavras-chave: Anatomía; Biometría; Canal mandibular.
Ano: 2007 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022007000400021
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Relaciones Transversales Faciales en Niños Chilenos de la Región del Maule International Journal of Morphology
Ramos Pazos,Nicolás Alejandro; Suazo Galdames,Iván Claudio; Martínez,Magda Lucía Martínez; Reyes,Lorena.
Las relaciones transversales faciales presentan variaciones en las distintas etnias, su conocimiento resulta relevante en el campo de las cirugías plástica y maxilofacial, la antropología y la medicina forense. En el presente estudio se analizan las relaciones transversales faciales de 45 niños mesofaciales de la Región del Maule, Chile, mediante un análisis cefalométrico frontal y la confección de modelos del paladar. Fueron analizados las dimensiones: ancho transpalatino, ancho maxilar, ancho facial y ancho mandibular. Las dimensiones encontradas fueron superiores a las descritas en la literatura. Se encontró que el ancho transpalatino mostraba una mediana correlación con el ancho maxilar, no así con el ancho facial. No se observó dimorfismo sexual en la...
Tipo: Journal article Palavras-chave: Relaciones faciales; Cara; Antropología Física; Medicina Forense.
Ano: 2007 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022007000400006
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Sex Determination in Mandibles in the First Year of Life by a Quantitative Approach International Journal of Morphology
Suazo Galdames,Iván Claudio; Zavando Matamala,Daniela Alejandra; Smith,Ricardo Luiz.
Numerous studies have shown that skeletal characteristics vary among different populations. Several authors suggest that it is possible to determine sex through the anatomical evaluation of children mandible, however there are few morphometrical studies conducted with such specimens. The purpose of this study was to analyze several mandibular dimensions and identify the ones that could be useful to perform sex differentiation in a sample of Brazilian young children. For this study we used 32 children dry mandibles of known sex, age ranging from 0 to 1 year old. The mandibles pertain to the collection of the Skull Museum of the Universidade Federal de Sao Paulo (UNIFESP). The parameters included bicondilar width, bigonial width, minimum width and height of...
Tipo: Journal article Palavras-chave: Sexual Dimorphism; Sex determination; Infants; Mandibles.
Ano: 2009 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000100020
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Accuracy of Palate Shape as sex Indicator in Human Skull with Maxillary Teeth Loss International Journal of Morphology
Suazo Galdames,Iván Claudio; Zavando Matamala,Daniela Alejandra; Smith,Ricardo Luiz.
In forensic medicine, diagnosis of sex is the first step in the identification of human skulls. A first approximation is carried out via the qualitative analysis of a series of morphological indicators of sexual dimorphism. Classical studies (Krogman &amp; Iscan, 1986) described 14 indicators for the diagnosis of sex with an accuracy of 90%, and one of these indicators is the shape of the palate. This study analyzed the effect of the loss of teeth on the accuracy of the diagnosis of sex in Brazilians adult skulls, using the shape of the palate as an indicator. We used 98 skulls of adult Brazilians, comprising 35 females and 63 males with an average age of 39.3 years (SD 7.8). The skulls were classified into two groups, namely the fully edentulous...
Tipo: Journal article Palavras-chave: Sexual Dimorphism; Sex determination; Palate; Tooth loss.
Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022008000400034
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Teaching of the Integrated Morphology International Journal of Morphology
Suazo Galdames,Iván Claudio; Cantín López,Mario; Bustos Alvarez,Ivonne Patricia; Salgado Alarcón,Guillermo Enrique.
The changes in the university curriculum have made necessary the vertical and horizontal integration of contents that are taught in morphology sciences. In this study, students of the Morphology and Human Development Module of the cohorts 2006 and 2007 participated. In 2006 the students (n=83) developed the thematic unit of locomotive apparatus in a chronologicaly and sequentially integrated way. In 2007 (n=102) this same unit was developed in a totally integrated way, in form of learning object from the macroscopic, microscopic and embryology perspectives. A theoretical instrument was designed to evaluate the content of the unit, the approaches of validity and reliability were determined (a=0.79), and then, it was applied to the 2006 and 2007 students....
Tipo: Journal article Palavras-chave: Integrated morphology; Teaching of Anatomy; Learning; Learning object.
Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022008000100021
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Arterias Mentolabiales Bilaterales: Reporte de un Caso International Journal of Morphology
Suazo Galdames,Iván Claudio; Cantín López,Mario; Zavando Matamala,Daniela Alejandra.
En un cadáver repletado con látex coloreado rojo, se reporta la presencia bilateral de arterias ramas de la arteria facial, que se dirigen a irrigar la región mentolabial. Se discute la importancia de la descripción de las variaciones anatómicas en la irrigación de la cara y labio inferior por las implicancias en la cirugía reconstructiva de labio.
Tipo: Journal article Palavras-chave: Arteria facial; Labios; Vascularización labial; Cirugía reconstructiva.
Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022008000100007
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