The relationship of some patients factors with shade of their teeth measured by spectrophotometry in Turkish people
Abstract
Objective: To investigate the relationships of some patients’ factors with the shade of their teeth in Turkish people.
Methodology: Four Hundred subjects who had no defects in their natural right maxillary central incisors were examined in this study. Shade of teeth was measured with a spectrophotometer. Eye colours were classified as brown, honey, hazel, green, black and blue respectively. Skin complexions were determined by using the Fitzpatrick Skin Type Classification. Tooth shades were placed into 13 categories using the vita shade scale, and skin complexion in 6 categories. The Pearson Chi-Square and Likelihood Ratio statistical tests were used to analyze the data.
Results: There was no correlation between the skin complexion and tooth shade (P > 0.05). Statistically significant differences were found between gender and tooth shade (P < 0.05). People with their ages between 14-30 and 31-45 generally had A2 tooth shade, and those who were between the ages of 46-60 and 61-80 generally had A3 tooth shade. There was a statistically significant correlation between age and tooth shade (P < 0.05). People having hazel, brown, blue and black eyes had A2 shade teeth and those with honey and green eyes generally had teeth with the A3 shades. There were no statistically significant correlations between eye and tooth shade (P > 0.05).
Conclusion: Within the limitations of this study, there were no significant relationships between skin complexion, eye color and tooth shade. Younger people generally had A2 shade teeth. Elderly people were more likely to have darker teeth.
Methodology: Four Hundred subjects who had no defects in their natural right maxillary central incisors were examined in this study. Shade of teeth was measured with a spectrophotometer. Eye colours were classified as brown, honey, hazel, green, black and blue respectively. Skin complexions were determined by using the Fitzpatrick Skin Type Classification. Tooth shades were placed into 13 categories using the vita shade scale, and skin complexion in 6 categories. The Pearson Chi-Square and Likelihood Ratio statistical tests were used to analyze the data.
Results: There was no correlation between the skin complexion and tooth shade (P > 0.05). Statistically significant differences were found between gender and tooth shade (P < 0.05). People with their ages between 14-30 and 31-45 generally had A2 tooth shade, and those who were between the ages of 46-60 and 61-80 generally had A3 tooth shade. There was a statistically significant correlation between age and tooth shade (P < 0.05). People having hazel, brown, blue and black eyes had A2 shade teeth and those with honey and green eyes generally had teeth with the A3 shades. There were no statistically significant correlations between eye and tooth shade (P > 0.05).
Conclusion: Within the limitations of this study, there were no significant relationships between skin complexion, eye color and tooth shade. Younger people generally had A2 shade teeth. Elderly people were more likely to have darker teeth.
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