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SourceAvailable from: Fabiana Schuelter-Trevisol[Show abstract] [Hide abstract]
ABSTRACT: Skin cancer is the most common neoplasm in Brazil, with increasing incidence in recent decades. Data on the incidence of squamous cell carcinoma are scarce in southern Santa Catarina. To establish epidemiological data on squamous cell carcinoma in Tubarão, State of Santa Catarina. A cross-sectional review was conducted on anatomical pathology reports, positive for squamous cell carcinoma of the skin, found in the local laboratories. A convenience sampling method was used for data collection, since all the pathology reports from the local laboratories between 1999 and 2009 were included. The collected variables included year of diagnosis, age, gender, city of origin, tumor site, histological type and subtype, lesion size, margin involvement and relapse. In total, 1,437 case reports were identified, most frequently in individuals between 70 and 79 years old. Patient morbidity was 69.5 per 100,000 population for the year 1999, and 136.7 per 100,000 population for the year 2009, which represents a 50 percent increase. The face was the most affected area and the most common histological subtype was the well-differentiated tumor. There were 1,437 reports of squamous cell carcinoma of the skin between 1999 and 2009, with a significant increase in patient morbidity. There was an association between male gender and location on the lip and ear, and between females and the occurrence of squamous cell carcinoma of the skin on the nose, and upper and lower limbs. There was a prevalence of margin involvement after resection in 18% of lesions.Anais brasileiros de dermatologia 08/2012; 87(4):572-7. DOI:10.1590/S0365-05962012000400009
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ABSTRACT: Restorative materials must be capable not only of restoring the patient's masticatory function, but also to rescue the self-esteem of those maculated by a disharmonious smile. Among the esthetic materials available on the market, the choice frequently lies between ceramic or indirect laboratory resin restorations. This study assessed the resistance to compression of two laboratory resins found on the market, namely Artglass and Targis, considering Omega 900 ceramic from Vita as control. With the aid of stainless steel matrices, with internal dimensions of 8.0 mm diameter at the base, 9.0 mm in the top portion and 4.0 mm height, 15 test specimens were made, being 5 of each material to be tested. The test specimens were kept in distilled water for 72 hours and submitted to an axial load by the action of a point with a rounded tip 2 mm in diameter, adapted to an EMIC 500 universal test machine. The compression speed was 0.5 mm/min, with a load cell capacity of 200 Kgf. The means of the results were calculated in kilogram-force (Kgf). The results found were treated by analysis of variance (ANOVA) and the differences found among the groups were identified by the Tukey test (5%). It was observed that the material Omega 900 (R) offered significantly greater resistance to compression than the other two materials, which did not present statistically significant difference between them.Indian journal of dental research: official publication of Indian Society for Dental Research 01/2010; 21(1):68-71. DOI:10.4103/0970-9290.62811
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ABSTRACT: An easy procedure for recovering obliterated firearms serial numbers, which are laser engraved is presented in this case report. For these serial numbers, the traditional recovering method using acid etching generally fails, once marking the serial number does not necessarily imply a deep permanent deformation of the crystalline array. The standard required mirror-like finish of the surface commonly can destroy any evidence of the original serial number, i.e., can destroy the heat affected zone (HAZ) of only few micra, if it is still present. It is shown in this report that relief polishing and reflected light stereomicroscopy can, in certain cases, successfully reveal obliterated serial numbers, originally marked by laser. The use of this procedure for recovering this type of obliterated serial number is illustrated and discussed with an example we have dealt with.Forensic science international 09/2008; 179(2-3):e63-6. DOI:10.1016/j.forsciint.2008.05.012
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