Search results for "Ontología"
showing 10 items of 1426 documents
Minimally invasive prosthetic procedures in the rehabilitation of a bulimic patient affected by dental erosion
2015
The population affected by dental erosion due to bulimia is generally very young. This population group has a high aesthetic requirement; the dentition in these patients is severely damaged, especially in the anterior maxillary quadrant. In terms of treatment, it is still controversial whether an adhesive rehabilitation is preferable to a longer-lasting but more aggressive conventional treatment, such as full-crown coverage of the majority of teeth. This case report describes the prosthetic rehabilitation of a young female patient previously affected by bulimia nervosa and presenting erosion of the maxillary teeth. The prosthetic rehabilitation was performed through indirect adhesive restor…
La filosofía política y su trasfondo ontológico en la obra de Arthur Schopenhauer
2012
Esta tesis doctoral aborda la relación entre la metafísica de Schopenhauer y su filosofía política. Para ello, analiza algunas de las doctrinas principales de la filosofía schopenhaueriana, como la relevancia de la corporalidad en la génesis de su metafísica y el problema de la libertad. Estos dos aspectos constituyen el trasfondo básico sobre el que entender la filosofía política de Schopenhauer. Además, hay que tener en cuenta la conexión explícita entre pesimismo antropológico, ética de la compasión y la filosofía del derecho que defiende Schopenhauer: esta vía interpretativa permite entender la filosofía política desde la antropología filosófica. Pero más allá de esta conexión explícita…
Alteraciones salivares en pacientes con diabetes tipo 2
2006
La diabetes mellitus tipo 2 es el desorden metabólico más frecuente, siendo además causante de una importante morbi-mortalidad. En estos pacientes se han descrito alteraciones estructurales de la parotida (sialosis) que podrían comportar modificaciones en la composición salivar, así como un incremento de patología dental y periodontal. Objetivos: establecer las alteraciones bioquímicas de la saliva y su posible correlación con los hallazgos morfológicos. Diseño del estudio: se realizo un estudio clínico de 33 pacientes, 17 de ellos con diabetes tipo 2. Se recogieron muestras de saliva para análisis bioquímico y suero para control metabólico. Resultados: en la saliva de los pacientes diabéti…
Pfeiffer syndrome: clinical and genetic findings in five Brazilian families
2014
Pfeiffer syndrome (PS) is mainly characterized by craniosysnostosis, midface hypoplasia, great toes with partial syndactyly of the digits and broad and medially deviated thumbs. It is caused by allelic mutations in the fibroblast growth factor receptor 1 and 2 (FGFR1 and 2) genes. This study describes the clinical and genetic features of five Brazilian families affected by PS. All patients exhibited the classical phenotypes related to PS. The genetic analysis was able to detect the mutations Cys278Phe, Cys342Arg, and Val359Leu in three of these families. Two mutations were de novo, with one familial. We identified pathogenic mutations in four PS cases in five Brazilian families by PCR seque…
Detection of bifid mandibular condyle using computed tomography
2011
Objective: To determine the frequency and characteristics of bifid mandibular condyle (BMC) using computed tomography (CT) evaluation. Study Design: A retrospective study was carried out using the CT records of 550 patients referred to the Medical School of Erciyes University (Kayseri, Turkey) between 2007 and 2010. T-tests were used to compare frequency of BMC between the left and right sides and between female and male patients. Statistical analysis was performed using SPSS software and a chi-squared test. Results: Of the 550 Patients, 10 patients (1.82%) were found to have BMCs. Five patients were female (50%) and five were male (50%). Of these 10 patients, 7 (70%) had unilateral and 3 (…
Arthroscopic approach for treating a pigmented villonodular sinovitis of TMJ. A case report
2017
The present report describes the case of a 29-year-old man referred to our service for TMJ pain and progressive reduction of the mouth opening. Differential diagnostics included rheumatologic diseases, monoarthritis and intraarticular lumps. In this line, a face CT scan and a MRI of TMJ were carried out in order to ensure a proper diagnosis. These tests showed a solid lesion into the joint cavity. In view of that, we decided to perform a diagnostic and therapeutic arthroscopy of TMJ. Histopathological studies confirmed the diagnosis of pigmented villonodular synovitis. The main aim of this report is to describe this rare syndrome with the goal of proposing suitable treatments. Moreover, we …
Osteosarcoma of maxilla: a case report
2010
Osteosarcoma is a common primary malignant bone tumor producing osteoid or bone. It occurs very infrequently in the jaws and comprises of 4% of the tumour number as compared to the osteosarcoma of the long bones. Os- teosarcoma of the maxilla is even rarer presenting with common clinical features of pain and swelling. This pre- sented case is a rare case of osteosarcoma of maxilla in a 21-year-old female patient. Diagnosis and pre-operative assessment was performed using a combination of intraoral periapical radiograph, occlusal radiograph, paranasal view and computed tomography (CT). CT revealed destruction of the walls of maxillary sinus and sunray type of ossification in the soft tissues…
Cemented and screw-retained implant-supported single-tooth restorations in the molar mandibular region: A retrospective comparison study after an obs…
2015
Objectives: The aim of this study was to evaluate the survival and compare the appearance of different mechanical and biological complications, in screw-retained and cemented-retained single-tooth implant-supported restorations localized in the molar mandibular region, over a period of 1 to 4 years. Material and Methods: A retrospective study was carried out with a total of eighty implant-supported restorations, which were placed in eighty patients for prosthetic rehabilitation of a mandibular molar. Forty patients were rehabilitated with a cemented-retained restoration and the other forty with a screw-retained restoration. The presence of the following complications was recorded for both t…
Small cell osteosarcoma of mandible: a rare case report and review of literature.
2010
Osteosarcoma is the most common primary malignant tumor of bone but only 5% of these tumours occur in the jaws. Of all the varieties of osteosarcoma, the juxtacortical type is rare and comprises only less than 4% of all osteosarcomas. Juxtacortical osteosarcoma is further subdivided into parosteal (low grade) and periosteal (high grade). Osteosarcomas can be categorized histologically mainly into chondroblastic, osteoblastic, fibroblastic and numerous others. One of the rare histological variant is small cell osteosarcoma which consists of sheets of round cells that produce an osteoid matrix. The aim of this article is to present a rare case of periosteal osteosarcoma of mandible which on h…
Effect of nonsurgical periodontal treatment in patients with periodontitis and rheumatoid arthritis: a systematic review
2016
Background: Periodontitis has been regarded as a potential risk factor for rheumatoid arthritis (RA). A systematic review is made to determine whether nonsurgical periodontal treatment in patients with RA offers benefits in terms of the clinical activity and inflammatory markers of the disease. Material and Methods: A search was made of the Medline-PubMed, Cochrane, Embase and Scopus databases to identify studies on the relationship between the two disease processes, and especially on the effects of nonsurgical treatment in patients of this kind. The search was based on the following keywords: rheumatoid arthritis AND periodontitis (MeSH), rheumatoid arthritis AND periodontal treatment . Re…