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    Assessment of bone quality of apical periodontitis treated with MTA plug and regenerative endodontic techniques
    (Wiley, 2022) Aricioglu, Banu; Gunacar, Dilara Nil; Kosar, Tugba; Cikman, Ahter Sanal; Hatipoglu, Fatma Pertek; Maras, Edanur
    Fractal analysis (FA) is a quantitative, objective and non-invasive method that facilitates the characterisation of the tissue architecture. This study aims to compare the periapical healing at 1-year follow-up by evaluating newly generated trabecular bone with FA after Mineral trioxide aggregate (MTA) plug and regenerative endodontic treatment (RET). A total of 55 asymptomatic teeth with a single-canal, open apex and periapical lesion, treated with MTA plug or RET, were evaluated retrospectively. After considering the inclusion/exclusion criteria, FA was conducted on 30 periapical images using the box-counting method. In both groups, a significant decrease was observed in the periapical lesion size at 1-year follow-up (p < 0.01). However, there was no significant difference between the MTA plug and RET (p > 0.01). Significantly higher fractal dimension values were detected at 1-year follow-up in both MTA plug and RET cases (p < 0.01). However, the difference was not significant between the groups (p > 0.01). Both procedures seem to improve periapical healing with a new resistant bone of similar density and complexity.
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    Can tooth color be used as part of caries risk assessment? A cross-sectional study Tooth color and dental caries burden
    (Bayrakol Medical Publisher, 2021) Hatipoglu, Omer; Maras, Edanur; Temur, Katibe Tugce
    Aim: This study aimed to investigate whether the colors of the maxillary central incisor (MCl) and the maxillary first premolar (MPl) can serve as indicators to estimate dental caries risk. Material and Methods: A total of 140 healthy dentistry students aged 18-25 years participated in this cross-sectional study. The MCl and MPl were polished with a polishing brush for 20 seconds. After polishing, in room light, L.*, b*, chroma, and hue values were measured from three different regions of the teeth with the VITA Easyshade spectrophotometer device. After color evaluation, dental caries burden was determined according to the Decayed, Missing, and Filled Teeth (DMFT) index. A questionnaire addressing demographic features, dietary habits, and smoking habits was also administered. Spearman's correlation tests and multiple linear regression analyses were conducted. Result No significant correlation was found between DMFT scores and L* values. The DMFT index was positively correlated with the a*, b*, and chroma of the MCl but was negatively correlated with hue. in terms of the MPl, no significant correlation was detected between DMFT and color parameters. Smoking and tooth-brushing had significant effects on MCl b* and chroma and on MCI a*, b*, and chroma, respectively. No significant effect of confounding factors was observed on MPl L*, a*, b*, chroma, or hue. Discussion: This study concludes that dental caries risk may be predicted with color values of the MC1. However, the same does not apply for the MPl. The ability to predict dental caries by evaluating the color of the MC1 shows the potential for color to be used as a part of caries risk assessment.