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1
artículo
Nowadays, dental aesthetics has a relevant role within interpersonal relationships and the self-esteem of patients, that is the reason the demand for aesthetic and conservative treatments are more frequent in dental practice, this demand commits professionals to a greater preparation, in order to identify the most appropriate procedures to be executed. For the dentist it is a challenge to achieve a complete harmonization and integration of the treatments carried out in the anterior sector and even more when it is necessary to replace a single dental element. The objective of this case report is to describe a highly complex rehabilitation case of a fractured upper central incisor, whose color and shape characteristics were recreated through a correct exchange of information between the dentist and the dental technician, obtaining a lithium disilicate crown with excellent mimicry.
2
artículo
Publicado 2023
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Mesiodens are a type of supernumerary tooth that appears more frequently in the definitive dentition, they are pieces generally located in the midline of the upper jaw, of unknown etiology, but the most accepted theory is due to a hyperactivity of the dental lamina during morphogenesis. The purpose of this work is to describe the case of a 14-year-old male patient with no relevant pathological history. The intraoral clinical analysis shows a dental organ in the midline of the upper jaw compatible with a mesiodens and another included located at the level of the nasal cavity. On tomographic analysis there is presence of a hyperdense area between upper incisors with a characteristic compatible with a mesiodens, in a sagittal section a hyperdense area is observed 7mm from the alveolar rim towards the floor of the nostrils, an inverted dental structure with a diameter of 8mm, ectopic loc...
3
artículo
Publicado 2010
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Archaeological excavations together with paleobotanical analyses conducted in qollqas (Inca storage rooms) at Camata Tambo, an Inca tambo (waystation) located 2,800 m.a.s.l in the upper Moquegua Valley of Southern Peru, suggest that these storage structures incorporated a sophisticated technology designed for storing and controlling multiple types of products from the Colesuyo region including local and distant coastal products. Apparently, this economic surplus based on foodstuffs was later distributed to nearby and far-away populations (e.g. in the altiplano). In addition, although Camata Tambo was in a ‘marginal’ locale of the empire, the site had important political economic functions in the area such as providing valley products to the emerging and more powerful altiplano elites. Further, data collected from excavations conducted at Camata Pueblo, a local community adjacent to t...
4
artículo
Publicado 2022
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Objective: To evaluate the maximum compressive stress in maxillary central incisors restored with fiberglass posts and three types of crowns by the FEM finite element method. Materials and methods: The study was a virtual, descriptive, and laboratory trial. Three virtual models were made using the SolidWorks 2017 software from upper central incisors rehabilitated with fiberglass posts and a metal-ceramic crown, a monolithic lithium disilicate crown, and a zirconium-ceramic crown. They were then subjected to an oblique occlusal load of 150N with an angulation of 45°, distributed towards the palatal aspect. The stress analysis proceeded by comparing the maximum, minimum, and equivalent von Mises stresses. Results: The maximum compressive stress was found at the cervical level in the vestibular area of each of the crowns. Zirconium-ceramic crown (Design 3) was the one with the highest comp...
5
artículo
This article shows the results of the late pre-Hispanic settlement of the upper Qaracha basin in the dissected plateau of the central region of Ayacucho (3000 – 4000 meters above sea level). The archaeological record made it possible to evaluate the extension and diversity of the high Andean territorial occupation at a local scale and its relationship with the ecological environment. The late settlement of this territory was concentrated in large villages that generally have a central habitable nucleus with stone architecture. The habitable nucleus present homogeneous patterns of construction technology and spatial design of large housing complexes with corrals, terraces and funeral structures. The territorial function of the villages is discussed and it is proposed that this type of settlements constitute tangible evidence to characterize a model of village life and pre-Hispanic terri...
6
tesis de grado
Publicado 2022
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Universidad Nacional Agraria La Molina. Facultad de Ingeniería Agrícola. Departamento Académico de Recursos Hídricos
7
artículo
Publicado 2012
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The system Cretaceous in the Andes of the central Peru lies unconformity on lands of different ages, from the Precambrian until the upper Jurassic on which is presented in three big sequences: an lower sequence (Valanginian- Aptian) that belongs to the siliciclastics platform of the Goyllarisquizga Group and its equivalent ones lateral according to the places, in which a clear eastern provenience is denoted, likewise for the units stratigrphics that conform this great delta a deposit it is noticed in lateral onlap on the borders of the basin; a second sequence of the Albian-Turonian to the Campanian that belongs to a great platform carbonated (Jumasha; Chonta formations and equivalents) and the third sequence to the end of the upper Cretaceous (Campanian-Maestrichtian) composed by the continental red beds that belong to processes of tectonic inversion and transition to foreland basins. D...
8
artículo
Publicado 2012
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The system Cretaceous in the Andes of the central Peru lies unconformity on lands of different ages, from the Precambrian until the upper Jurassic on which is presented in three big sequences: an lower sequence (Valanginian- Aptian) that belongs to the siliciclastics platform of the Goyllarisquizga Group and its equivalent ones lateral according to the places, in which a clear eastern provenience is denoted, likewise for the units stratigrphics that conform this great delta a deposit it is noticed in lateral onlap on the borders of the basin; a second sequence of the Albian-Turonian to the Campanian that belongs to a great platform carbonated (Jumasha; Chonta formations and equivalents) and the third sequence to the end of the upper Cretaceous (Campanian-Maestrichtian) composed by the continental red beds that belong to processes of tectonic inversion and transition to foreland basins. D...
9
capítulo de libro
Páginas 147-168
10
tesis de grado
Publicado 2018
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Universidad Nacional Agraria La Molina. Facultad de Ciencias. Departamento Académico de Ingeniería Ambiental, Física y Meteorología
11
artículo
Publicado 2014
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In this paper we carry out a comprehensive archaeological study on the Pre-Tawantinsuyo guancas and taramas, focusing on their economic and social development. For this purpose, we performed methodical archaeological surveys and excavations, which gave us much empirical evidence. The description and analysis of this data helped us to better understand these cultures in relation to the Central Andes. Therefore, on this basis, we propose new theories that better explain the economic and social development of Guancas and taramas, likewise, we present a critique of the theories previously proposed by Parsons and the Upper Mantaro Research Project (UMARP). Furthermore, in this paper, we conduct a brief study on the funerary activities of the Guanca and Tarama, a subject little studied so far.
12
artículo
Publicado 2014
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Objetivos: Determinar la correlación de la percepción estética de la sonrisa y la inclinación del incisivo central superior entre pacientes y estudiantes del último año de la Universidad San Martin de Porres (USMP). Material y métodos: Estudio descriptivo, observacional, transversal y prospectivo. La muestra estuvo constituida por 100 personas (50 estudiantes y 50 pacientes) que acudieron a la Clínica Especializada de Odontología de la USMP, entre los 18 y 35 años de edad. Se les mostró 3 fotografías de una mujer (22 años de edad) de perfi l sonriendo, que fueron evaluadas por un juicio de expertos. Dichas fotografías, fueron manipuladas mediante el programa de software de edición de imágenes Adobe Photoshop (Adobe Photoshop CS6 Versión 13.0.1) para simular inclinaciones de +15º labial, 0º inicial (buena inclinación del incisivo superior según evaluación cefalométr...
13
artículo
Publicado 2022
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The prevalence of impaction of the permanent maxillary incisors ranges from 0.06 to 1% of the population. One of the possible causes of impaction of the upper central incisor is the presence of an odontoma. The objective of this clinical case study was to propose an orthodontic treatment proposal for a girl with early mixed dentition, pulling an impacted maxillary central incisor, a rare problem in the population, caused by the presence of a compound odontoma. A 6- year-old and 2-month-old female patient presented to the private consultation. On clinical examination, she showed a delay in exfoliation of the teeth 5.1 and 5.2, the panoramic radiograph revealed the presence of a compound odontoma. And in the tomography, the dental piece 1.1 was observed in an ectopic position, horizontal in the sagittal plane. The composite odontoma was removed at th...
14
tesis de grado
Publicado 2025
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Actualmente en el Perú no existe un solo patrón facial, debido a la variedad de etnias que aún perduran en el país. El campo de la odontología demanda realizar el análisis clínico facial permitiendo así conocer las particularidades del rostro de cada paciente para obtener un buen diagnóstico, planificación y tratamiento. Objetivo: Determinar la estética facial según Arnett y Bergman en los integrantes de una comunidad nativa Ashaninka. Materiales y métodos: La investigación fue de método deductivo con enfoque cuantitativo, tipo observacional básica y de diseño descriptivo y transversal. Población y muestra: Se aplicó en una población de 135 habitantes, según el censo INEI 2017, considerando el sexo masculino y femenino desde los 18 a 59 años de edad que pertenezcan a la comunidad nativa Ashaninka San Pedro Marankiari, a los cuales se les invitó a participar en la i...
15
tesis de grado
Publicado 2020
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Method: The Systematic Review design was used, the search was limited to articles with full text, subjected to a critical reading, using the Jover evaluation to identify its degree of evidence. Results: 10 articles corresponding to China 20%, Canada 30%, 10% Australia, Sweden 10% and USA 30% were selected comparatively. 40% of the studies stated that there were no significant differences in complications that require the elimination of the PICC, 40% expressed that the non-central position is a risk factor for complications and elimination, whose tendency increases in MS and 20% stated that the PICC placement in MI is associated with significantly higher risk of complications. Conclusions: Of the 10 articles systematically reviewed, 6/10 evidenced mechanical complications and infection according to the insertion site, adding that the central location of the PICC tip can have a significant...
16
tesis de grado
Publicado 2014
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El presente estudio tuvo como objetivo comparar la relación anteroposterior del incisivo central superior con la frente de sujetos con anomalías maxilares mediante un análisis fotográfico de perfil en sonrisa. La investigación observacional, prospectiva y comparativa presentó una muestra constituida por 73 alumnos, conformada por 29 hombres y 44 mujeres, de la de la Universidad Privada Antenor Orrego. Se educó al alumno para adoptar la posición natural de la cabeza, y se le tomó una fotografía de perfil sonriendo, las imágenes fueron impresas para poder realizar los trazos. En ellas se trazaron líneas de referencia para evaluar la posición anteroposterior de los incisivos centrales superiores, así como el tipo de frente. Los puntos de referencia para evaluar la posición del punto EV fueron los puntos trichion, glabela y FFA según la forma de la frente. Para evaluar la rel...
17
Publicado 2024
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Introducción: Los brackets preajustados en los tratamientos de ortodoncia determinan: la inclinación, el torque y la rotación final de los dientes. Sin embargo, si el bracket se adhiere erróneamente, el diente tendrá una posición final incorrecta. Objetivo: Determinar las variaciones en la expresión del torque en el incisivo central superior usando diferentes prescripciones de brackets colocados a diferentes alturas de la corona dentaria con alambre de acero de calibre 0.019” x 0.025” mediante elementos finitos. Materiales y Métodos: Para el presente estudio se extraerá un modelo de un incisivo central superior de una Tomografía Cone Beam seleccionada y luego se procesará con un programa 3D Slicer, Autodesk Meshmixer y SolidWorks 2017. El procedimiento se realizará de la misma manera con el alambre de acero inoxidable de 0.019” x 0.025” y se instalará en la ranura de...
18
tesis de grado
Publicado 2017
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Universidad Nacional Agraria La Molina. Facultad de Ciencias. Departamento Académico de Ingeniería Ambiental, Física y Meteorología
19
artículo
Publicado 2011
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The present study investigated the presence of helminths in fillets of red piranha, Pygocentrus nattereri (Kner, 1858), with a note of a possible zoonotic potential of its consumption in nature. We examined 40 fish caught in lakes in the floodplain of the Solimões River, located in the municipalities of Coari and Manaus in central Amazonia, Brazil. All fish examined were adults and had yellow cysts in the musculature. Of the 69 cysts found, 66 were identified as metacercariae of Clinostomum marginatum (Braun, 1899) and 3 as Austrodiplostomum compactum (Lutz, 1928). The analysis shows a higher susceptibility of P. nattereri for metacercariae of C. marginatum. The fact that metacercariae were found in fillets of P. nattereri, suggests a risk situation, addresses a concern about its use in raw form. It should not be consumed without proper inspection, processing and freezing, since ceviche...
20
tesis de grado
Publicado 2019
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La presente investigación se realizó a fin de determinar la existencia de una relación entre el biotipo facial con la forma de los incisivos centrales superiores en los estudiantes de la Facultad de Odontología de la Universidad Nacional San Luis Gonzaga, 2018. La investigación es de diseño observacional de nivel relacional y de corte transversal. Se evaluaron 210 estudiantes para determinar el biotipo facial a través del índice facial morfológico y la forma del incisivo central superior a través de la proporción dentaria. Nuestros resultados refieren que predomina el biotipo dolicofacial en ambos sexos, en el sexo masculino con el 34,3% y en el sexo femenino con el 23,3%. La forma ovoide del incisivo central superior predomina en ambos sexos, en el 35,2% en el sexo masculino y en el sexo femenino con 33,8%. Se concluye que no existe relación entre el biotipo facial y la form...
