Person: YILMAZ, BERZA
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Publication Metadata only Re: A comparison of treatment effects of total arch distalization using modified C-palatal plate vs buccal miniscrews. Sang Kyu Lee; Noha H. Abbbas; Mohamed Bayome; Un-Bong Baik; Yoon-Ah Kook; Mihee Hong; Jae Hyun Park. The Angle Orthodontist. 2018; 88: 45-51(2019-09-01T00:00:00Z) YILMAZ, BERZA; ŞEKER, Elif Dilara; KURT, GÖKMEN; YILMAZ, BERZA; ŞEKER, ELIF DILARA; KURT, GÖKMENPublication Open Access Evaluation of apical root resorption in Class III patients who received one-or two-phase orthodontic treatment(2021-04-01T00:00:00Z) YAĞCI, AHMET; ŞEKER, Elif Dilara; YILMAZ, BERZA; ŞEKER, ELIF DILARA; YILMAZ, BERZAObjectives: The aim of this study was to compare the incidence root resorption and dilaceration between the patients with and without previous orthopedic treatment after the fixed orthodontic treatment.Publication Metadata only Occlusal contact area changes with different retention protocols: 1-year follow-up(2020-04-01T00:00:00Z) Kara, Burcak; YILMAZ, BERZA; YILMAZ, BERZAIntroduction: The purpose of this study was to evaluate the occlusal contact area and cast-radiograph evaluation (CRE) score changes in patients with 3 different retention protocols after a 1-year retention period. Methods: A total of 90 patients with acceptable final occlusion according to American Board of Orthodontics CRE were equally divided into 3 groups according to the retention protocol: upper bonded retainer and lower Essix or bonded retainer (Essix group); upper bonded retainer and Hawley or lower bonded retainer (Hawley group); and upper bonded retainer and lower bonded retainer (bonded retainer group). Digital models were used to assess occlusal contact area changes after a 1-year retention period. The follow-up occlusion models were assessed with the American Board of Orthodontics CRE. Results: Occlusal contact areas increased significantly in the Hawley and bonded retainer groups for all teeth except incisors. The bonded retainer group showed the greatest amount of settling, but differences with the Hawley group were not statistically significant. However, statistically significant decreases in occlusal contact areas were recorded for the Essix group except for incisors. A decrease of CRE scores was seen in the Hawley group, whereas a statistically significant increase was recorded in the Essix group. Conclusions: Both Hawley and bonded retainers allowed settling of the occlusion during the retention phase, whereas the Essix retainer did not allow relative vertical movement of the posterior teeth. The Hawley group showed improvement in the total CRE score, whereas the Essix group showed worsening.Publication Metadata only Comparison of Perception of Attractiveness in Borderline Class III Cases Treated with Camouflage and Orthognathic Surgery among Orthodontists, Oral Surgeons, and Lay People(2022-10-01T00:00:00Z) ŞEKER, ELİF DİLARA; YILMAZ, BERZA; Yücel, Fatma Betül; Yenidünya, Deniz; ŞEKER, ELIF DILARA; YILMAZ, BERZAPublication Metadata only Do we pay for maxillary protraction? Evaluation of the effects of Alt-RAMEC protocol and face mask treatment on root development(2021-11-01T00:00:00Z) YILMAZ, BERZA; ŞEKER, Elif Dilara; YILMAZ, HANİFE NURAY; Kucukkeles, Nazan; YILMAZ, BERZA; ŞEKER, ELIF DILARAObjectives To evaluate root development of pediatric patients treated with Alt-RAMEC + Face mask therapy. Material and methods The 19 subjects (9 girls, 10 boys; mean age: 8.6 +/- 1.1 years) treated with Alt-RAMEC and a Petit-type face mask were included to the study. The cone-beam tomography (CBCT) records of these patients were used to quantify the root length. The root length measurements of 456 permanent teeth (maxillary-mandibular incisors, canines, premolars, and first molars) were performed at the beginning of the treatment (T0), after the Alt-RAMEC protocol (T1), and at the end of the face mask treatment (T2) using Planmeca Romexis software. Results Tooth length values increased significantly in the maxillary teeth except the central incisors, left lateral incisor, the palatal root of the right first molar, and distal and palatinal roots of the left first molar (p < 0.05). Mandibular teeth also showed significant increase in the root length except mandibular central incisors and the distal root of left first molar (p < 0.05). The change in tooth lengths from T0 to T1 showed positive delta values. The comparison of the change in tooth lengths after the Alt-RAMEC protocol and after the face mask therapy showed that increment T2-T1 was statistically significantly higher compared with increment T1-T0 (p < 0.05). Conclusions Alt-RAMEC + Face mask therapy seem not to inhibit root development of maxillary and mandibular teeth in the mixed dentition.Publication Open Access Voice changes after surgically assisted rapid maxillary expansion(2022-01-01T00:00:00Z) Erdur, Onur Erdem; YILMAZ, BERZA; YILMAZ, BERZAIntroduction: This study aimed to investigate voice changes in patients who had surgically assisted rapid maxillary expansion (SARME). Methods: Nineteen adult patients with maxillary transverse deficiency were asked to pronounce the sounds -[a], [epsilon], [(sic)], [i], [(sic)], [oe] [u], [y]- for 3 seconds. Voice records were taken before the expansion appliance was placed (T0) and 5.8 weeks after removal (T1, after 5.2 months of retention). The same records were taken for the control group (n = 19). The formant frequencies (F0, F1, F2, and F3), shimmer, jitter, and noise-to-harmonics ratio (NHR) parameters were considered with Praat (version 6.0.43). Results: In the SARME group, significant differences were observed in the F1 of [a] (P = 0.005), F2 of [epsilon] (P = 0.008), and [oe] sounds (P = 0.004). The postexpansion values were lower than those recorded before. In contrast, the F1 of [y] sound (P = 0.02), F2 of [u] sound (P = 0.01), the jitter parameter of [(sic)] and [i] sounds (P = 0.04; P = 0.002), and the NHR value of [epsilon] sound (P = 0.04) were significantly than the baseline values. In the comparison with the control group, significant differences were found in the F0 (P = 0.025) and F1 (P = 0.046) of the [u] sound, the F1 of the [a] sound (P = 0.03), and the F2 of the [epsilon] sound (P = 0.037). Significant differences were also found in the shimmer of [i] (P = 0.017) and [(sic)] (P = 0.002), the jitter of [epsilon] (P = 0.046) and [i] (P = 0.017), and the NHR of [i] (P = 0.012) and [(sic)] (P = 0.009). Conclusion: SARME led to significant differences in some of the acoustics parameters.Publication Open Access Is a Single Rinse Effective on Evacuating the Residual Monomers After Orthodontic Bonding? An In Vivo Study(2021-04-01T00:00:00Z) Gorukmez, Erhan; YILMAZ, BERZA; Ramoglu, Sabri Ilhan; YILMAZ, BERZAObjective: Orthodontic adhesives are known to release potentially harmful bio-chemicals such as Bisphenol A, a derivative from Bisphenol-A-Glycidyl-Methacrylate (Bis-GMA). The aim of this study was to evaluate the amount of Bis-GMA released after the use of orthodontic adhesives polymerizing chemically or with light. We also aimed to check whether a single rinse is effective on evacuating all the residual monomers. Methods: Light curing (Transbond XT, Unitek, CA, USA and Opal Seal Ultradent, Utah, USA) and chemically curing adhesives (Rely-a bond, Reliance Orthodontic Products, Inc., USA and Unite, 3M/Unitek, CA, USA) were used to bond upper and lower braces of 48 patients. Patients gargled 25 mL drinking water for 1 minute; before bonding (T0), immediately after bonding (T1) and immediately after the first rinse (T2). The samples were placed in amber colored glass bottles, preserved in -20 degrees C and filtered through a 0.45-micron filter and analyzed with Liquid Chromatography Tandem Mass Spectrometry. Results: Bis-GMA release was recorded with all the adhesives. Higher amount of residual monomer was recorded for the light curing composite adhesives; Transbond XT and Opal Seal, followed by chemically curing; Unite and Rely-a bond. There was no statistically significant difference in Bis-GMA concentration at T1 and T2 (p>0.05). Conclusion: Significant release of Bis-GMA was observed following orthodontic bonding with either light or chemically curing adhesives. No significant difference was recorded between the first and the second rinses following bonding, meaning that a single rinse may not be effective in evacuating all the residual monomers.Publication Metadata only Comparison of Er:YAG laser and acid etching methods prior to lingual retainer application in vitro(2019-09-01T00:00:00Z) Kurt Biyiklioglu, Merve; YILMAZ, BERZA; YILMAZ, BERZAPublication Open Access Structural and mechanical analysis of three orthodontic adhesive composites cured with different light units(2020-04-01T00:00:00Z) YILMAZ, BERZA; BAKKAL, MELTEM; Kurt, BELMA; YILMAZ, BERZA; BAKKAL, MELTEM; ZENGİN KURT, BELMAObjective: To evaluate the effects of three different curing units on the physical and mechanical features of three different orthodontic adhesive resin materials. Material and Methods: 45 specimens (5 mm in diameter, and 2 mm in thickness) of each of the three different adhesive composite resin materials (Transbond XT, Grēngloo™ Adhesive and Light Bond Paste) were cured with three different light units (a polywave third generation (Valo), a monowave (DemiUltra), and a second-generation LED (Optima 10)). To quantify degree of conversion (DC), the Attenuated Total Reflectance Fourier Transform Infrared Spectroscopy was used in transmission mode (ALPHA FT-IR Spectrometer, Bruker Optics, Germany). Vickers hardness value was recorded under constant load 100 g for 10 s with a microhardness tester (HMV M-1, Shimadzu Corp., Kyoto, Japan). The data were statistically analyzed using Kruskal-Wallis and chi-square tests. The level of significance was considered p<0.05. Results: The highest DC values were obtained as a result of curing with Optima 10. This rate was followed by Demi Ultra and Valo, respectively. Transbond XT samples showed a lower level of conversion than the samples of Light Bond Paste and Grēngloo™ Adhesive. The top surfaces of each material showed higher hardness values than the bottom surfaces (p<0.05). The Light Bond Paste showed the highest hardness values both on the top and bottom surfaces among the three materials, followed by Grēngloo™ Adhesive. While the hardness values of the top surfaces of the samples cured with Demi Ultra and Valo light units were similar, higher hardness values are recorded with Valo on the bottom surfaces (Valo; 85.200/75.200 (top/bottom) versus Demi Ultra; 86.100/66.000 (top/bottom)). Conclusions: The different DC and the surface hardness properties were recorded for the resin as orthodontic adhesives depending on different light units. Shorter radiation time caused lower DC and surface hardness values.Publication Unknown Stress Distribution and Displacement of Craniofacial Structures Following Rapid Maxillary Expansion in Different Types of Cleft Palate: A Three-Dimensional FEM Study(2021-06-01T00:00:00Z) Bolukbasi, Esra; YILMAZ, BERZA; Ramoglu, Sabri Ilhan; YILMAZ, BERZAObjective: To evaluate displacements and stress distributions in finite element models (FEMs) of the craniofacial complex of 13-year-old male patient with complete unilateral cleft palate (UCP), a 15-year-old female patient with complete bilateral cleft palate (BCP), and a 15-year-old female patient with isolated cleft palate (ICP), which may respond differently to expansive forces.
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