Mestrado em Odontologia (FO)
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Navegando Mestrado em Odontologia (FO) por Assunto "Aesthetics"
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Item Análise de medidas faciais utilizadas na determinação da largura dos dentes anteriores superiores(Universidade Federal de Goiás, 2014-02-14) Daher, Mariana Rodrigues Gil; Torres, Érica Miranda de; http://lattes.cnpq.br/6356663266303896; Torres, Érica Miranda de; Barata , Terezinha de Jesus Esteves; Cardoso, Paula de CarvalhoThe aim of this study was to evaluate dental and facial anthropometric measures that may assist in planning aesthetic smile, especially in determining the width of the maxillary anterior teeth from the facial measurements. Volunteers who had their faces photographed in a standardized manner in postural position and during smiling were selected. Through a reading software images (ImageJ, USA) to measure calibration was made: interpupillary width (LIP); intercantal width (LIC); eye width (LO); face width (LF); interalar width at rest (LIAR); intercomissura width at rest (LICR); width interalar during smiling (LIAS); width intercomissura during smiling (LICs) and distance between the distal of canines during smiling (DCCaparente). Molding of the upper arch was performed to obtain plaster models, in which were measured the distance between the distal of canines obtained by the sum of the individual widths of the maxillary anterior teeth (DCCreal); between the cusp tips of canines (DCCcúspide); and the distance between the distal canine (DCCcurva). The 96 volunteers, 41 males and 55 females, had the measures compared by Student's t test, and statistically significant differences (p <0,001), except for LIC, with higher values for males. By means of the Pearson Correlation test correlations between facial and dental measurements were tested. Significant correlations (p <0,05) were found, however weak, for males: DCCcurva / LF (r = 0,32); DCCaparente / LF (r = 0,37); DCCaparente / LICR (r = 0,35); DCCaparente / LICs (r = 0,43); and for females: DCCaparente / LICR (r = 0,36). The measurements were divided by the dental facial measurements, and vice versa, in order to calculate reasons. The reasons DCCaparente: LICR (0,82) and LICR: DCCaparente (1,22) were statistically similar in males and females (p> 0,05). It was concluded that facial anthropometric measurements may aid in determining the width of the front teeth in front aspect photographs (DCCaparente), which indicates the existence of aesthetic harmony between the parts of the face and teeth. However, these ratios should not be used for exact, mathematical form, but as aids in planning aesthetic smile, since few significant correlations between measures were weak.Item Dimensões dos dentes anteriores superiores naturais comparadas com dentes anteriores superiores artificiais(Universidade Federal de Goiás, 2015-03-20) Neves, Ricardo Guimarães; Torres, Érica Miranda de; http://lattes.cnpq.br/6356663266303896; Torres, Érica Miranda de; http://lattes.cnpq.br/6356663266303896; Barata, Terezinha de Jesus Esteves; Perez, Luciano Elias da CruzThe objective of this study was to evaluate comparatively dimensions of natural upper anterior teeth with artificial teeth of three trademarks Premium PalaTM (Heraeus Kulzer), SR Vivodent PETM (Ivoclar Vivadent), TriluxTM (VIPI), in order to identify models of artificial teeth that best reproduce the dimensions present in the natural human dentition in both genders. For measurements of natural teeth were used 96 dental casts arising from people of both genders, in which molding of the upper arch was performed to obtain study models for the purpose of performing dental measure using a digital caliper: width (LIC) and length (CIC) of the upper central incisor teeth obtained by averaging 11 and 21; and width of maxillary anterior teeth straight (LR) obtained by the sum of the individual widths of the upper anterior teeth. Additionally the width was measured from the upper anterior teeth in curve (LC), obtained with flexible ruler positioned on the buccal region of greatest volume between the distal surfaces of the upper canines and sustained in the buccal region of greatest volume of teeth. Corresponding measures of artificial teeth were obtained based on the values described in the template letter provided by the manufacturers. Comparisons between genders were carried out by the t test (α = 0.05) and absolute frequencies were used to tabulate and compare measures of natural and artificial teeth. Out of the 96 volunteers, 41 were male and 55 were female, with an average age between 22.5 and 21.8 years, respectively, without statistically significant differences (p> 0.05). All measurements were performed statistically different between genders (p <0.05), with higher values for male. Most models of artificial and natural teeth presented LIC in the range between 8.0 to 8.5 mm. As for CIC, most volunteers is between 10.6 to 11.0 mm, while most models of artificial teeth is between 9.6 to 10.0 mm. Most models of artificial teeth and volunteers have LR between 46-47 mm. Only the letter template of teeth TriluxTM provides the LC measure, with most models between 50-51 mm. Yet most volunteers are between 54-55 mm. It can be concluded that the trademarks of artificial teeth evaluated feature models with width measurements compatible with natural teeth; however, the length of the upper central incisor is about 0.5 to 1.5 mm smaller than that observed in the majority of volunteers. There are models of artificial teeth that present CIC and LC with non-existent measures in the population studied.