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ERŞAHAN EROĞLU, ŞEYDA

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ERŞAHAN EROĞLU
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2014 - 20153
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Author: SABUNCUOGLU, Fidan Alakus ×

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    Changes in maxillary incisor dental pulp blood flow during intrusion by mini-implants
    (2014-10-01T00:00:00Z) SABUNCUOGLU, Fidan Alakus; Ersahan, Seyda; ERŞAHAN EROĞLU, ŞEYDA
    Aim. The aim of this clinical study was to identify changes in pulpal blood flow (PBF) in human central incisors resulting from short-and long-term intrusive orthodontic forces from mini-implants. Materials and methods. A total of 40 sound upper central and lateral incisors in 20 patients scheduled for intrusion for orthodontic reasons were divided into two groups. From each group, 20 teeth were subjected to intrusive force from mini-implants (Group 1 = Light Force: 40 g; Group 2 = Heavy Force: 120 g), whereas the remaining 20 contralateral teeth were not subjected to forces from mini-implants and served as controls. Laser-Doppler flowmetry (LDF) measurements were recorded at baseline and at 3 days and 3 weeks following intrusion. Results. PBF decreased significantly at 3 days (Light Force Group: 7.72 +/- 0.50; Heavy Force Group: 7.72 +/- 0.52) and then increased towards baseline at 3 weeks (Light Force Group: 10.37 +/- 0.58; Heavy Force Group: 10.31 +/- 0.45) following intrusion. Conclusions. In other words, despite slight regressive changes in pulpal tissue in the short-term, PBF improved after 3 weeks following intrusion by mini-implants, indicating that the changes observed in PBF is reversible, even following radical incisor intrusion.
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    Comparative evaluation of pulpal blood flow during incisor intrusion
    (2015-11-01T00:00:00Z) SABUNCUOGLU, Fidan Alakus; Ersahan, Seyda; ERŞAHAN EROĞLU, ŞEYDA
    Aim: The aim of the present study was to evaluate and compare changes in pulpal blood flow (PBF) as a result of maxillary incisor intrusion achieved by one of two methods (utility arches or mini-implants).
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    Changes in Dental Pulp Blood Flow of Different Maxillary Tooth Types After Le Fort I Osteotomy
    (2014-09-01T00:00:00Z) Eroglu, Seyda Ersahan; SABUNCUOGLU, Fidan Alakus; ERŞAHAN EROĞLU, ŞEYDA
    This study examined the effects of Le Fort I (LF-I) osteotomy on pulpal blood flow (PBF) in maxillary teeth during a 12-month postsurgical period. A laser Doppler flowmeter was used to measure PBF in maxillary incisors, canines, and first premolars of 14 patients undergoing LF-I osteotomy (study group), 7 patients undergoing mandibular osteotomy (surgical control group), and 7 nonsurgical controls. The PBF was measured at baseline (preoperatively) and at 1 week and 1, 3, 6, and 12 months postoperatively and at similar intervals in nonsurgical control subjects. Data were evaluated using Kruskal-Wallis and post hoc Mann-Whitney tests. Changes in PBF over time for each tooth type were evaluated using the Wilcoxon signed-rank test. The level of significance was set at P < 0.05. Study findings showed that baseline PBF values did not differ significantly between groups. Maxillary PBF in the control group did not vary over time; however, an initial decrease in PBF was observed in all tooth types immediately after surgery in the study group. A gradual increase to near-preoperative levels was then observed during a 12-month healing period. Although dramatic reductions in maxillary perfusion of the first premolar and canine pulps were observed at 1 week and 1 month after LF-I osteotomy when compared with baseline (P < 0.001), PBF significantly recovered over time. Moreover, hyperemia was observed in lateral incisors 3 months postoperatively, demonstrating a tooth typespecific effect of LF-I osteotomy on PBF.