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Registros recuperados: 16
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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 & 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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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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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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Blind Test of Mandibular Morphology with Sex Indicator in Subadult Mandibles International Journal of Morphology
Suazo Galdames,Iván Claudio; Zavando Matamala,Daniela Alejandra; Smith,Ricardo Luiz.
Loth & Henneberg (2001) indicated that it was possible determine the sex with a high degree of accuracy (81 %) in mandibles of children by observing the shape of the mandibular body. The purpose of this study was to evalúate in mandibles of Brazilians subadults the proposed method consistency; were used mandibles of 33 Brazilian children between 0 and 1 year of age, known sex, belonging to the coUection of skulls of the Federal University Sao Paulo (UNIFESP). We performed a blind test in two sessions by one observer based on the parameters descnbed by Loth & Henneberg. The results show between 57.5 and 60.5% of accuracy, being the most sensitive test for determining male (70%) than for females (38-46%). The results presented are lower than...
Tipo: Journal article Palavras-chave: Sexual dimorphism; Determination of sex; Subadults; Mandible.
Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022008000400011
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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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Efecto de la Aplicación de Láser de Baja Potencia Sobre la Mucosa Oral Lesionada International Journal of Morphology
Suazo Galdames,Iván Claudio; Lara Sepulveda,María Constanza; Cantín López,Mario Gonzalo; Zavando Matamala,Daniela Alejandra.
La utilización del láser ha tenido una constante evolución y desarrollo. Se ha comprobado en numerosos estudios los efectos bioestimulantes que la irradiación láser de baja potencia produce al interactuar con los tejidos y células. Este estudio pretende determinar la existencia de diferencias morfológicas en la mucosa oral lesionada, posterior a la irradiación con láser de baja potencia, a través de cambios en la densidad vascular del plexo subpapilar de la mucosa oral. Se utilizaron 15 ratas Sprague Dawley, las cuales se dividieron en tres grupos. A la totalidad de los animales se les lesionó la mucosa oral, en la zona media del frenillo labial inferior. El grupo I se tomó como control; al grupo II se le aplicó láser de baja potencia sobre la mucosa oral...
Tipo: Journal article Palavras-chave: Laserterapia de baja potencia; Láser bioestimulación; Mucosa oral.
Ano: 2007 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022007000300008
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Evaluating Accuracy and Precisión in Morphologic Traits for Sexual Dimorphism in Malnutrition Human Skull: a Comparative Study International Journal of Morphology
Suazo Galdames,Iván Claudio; Zavando Matamala,Daniela Alejandra; Smith,Ricardo Luiz.
One of the most important purposes of anthropological studies of human skeletons protocol is the determination of sex. Some skulls may be wrongly classified due to systemic conditions presented during the life of individuáis who affected the muscle forces that act on bones, as is the case of severe malnutrition. The purpose of this study is to analyze the effect of severe malnutrition on morphological determinan ts of sexual dimorphism classically studied in the visual analysis of the skull. 163 human skulls were analized with sex, age and cause of death known, belonging to the collection of Universidad Federal de Sao Paulo (UNIFESP). We performed visual inspection of the skull and diagnosis of sex based on size and overall architecture of the skull, an...
Tipo: Journal article Palavras-chave: Sexual Dimorphism; Determination of sex; Severe malnutrition.
Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022008000400015
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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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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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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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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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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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Sex Determination Using Mastoid Process Measurements in Brazilian Skulls International Journal of Morphology
Suazo Galdames,Iván Claudio; Zavando Matamala,Daniela Alejandra; Smith,Ricardo Luiz.
The mastoid process characteristics are of great utility in the diagnosis of sex. De Paiva &amp; Segre (2003) described that sex diagnosis was possible based on the determination of the área of the triangle formed by the points porion, mastoidale, and asterion. The purpose of this study was to determine the existence of sexual dimorphism in the dimensions and the área of the mastoid triangle using statistical and discriminant function analysis. A total of 81 skulls of Brazilian individuáis that were part of the Museum of the Federal University of Sao Paulo (UNIFESP) collection were used, with sex and ages known: 50 men and 31 women between 40 and 70 years of age (mean 51.58 years, SD 7.319). Most of the lineal dimensions and the calculated áreas were...
Tipo: Journal article Palavras-chave: Sexual dimorphism; Sex determination; Mastoid process; Forensic anthropology.
Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022008000400025
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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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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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Sexual Dimorphism in the Foramen Magnum Dimensions International Journal of Morphology
Suazo Galdames,Iván Claudio; Perez Russo,Priscilla; Zavando Matamala,Daniela Alejandra; Smith,Ricardo Luiz.
The purpose of this study is to assess the presence of sexual dimorphism in the foramen magnum size. We analyzed 211 human skulls from the collection of the Universidade Federal de Sao Paulo, with a record of sex and age determined using anteroposterior and transverse diameters of foramen magnum, and their differences by gender (p<0.05) were ascertained. Fischer linear discriminant function was calculated and the value for the classification of these variables was determined. All the dimensions were found to be higher, and in men's skulls, the foramen magnum size had low discriminating power and were accurately classified only in 66.5% skulls. Our results show that this quantitative indicator is of limited practical value and should be supplemented with...
Tipo: Journal article Palavras-chave: Foramen magnum; Determination of sex; Sexual Dimorphism; Anthropometries; Fischer discriminant function.
Ano: 2009 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000100003
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