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    Bilateral Foramen Mentale Lokalizasyonu ve Processus Condylaris Arası Uzunluğun Araştırılması
    (Adıyaman Üniversitesi Sağlık Bilimleri Dergisi, 2018) Petekkaya, Emine; Kabakci, Ayse Gül; Ozandac, Sema; Balci, Raciha Sinem; Taskin, Rumeysa Gamze; Yucel, Ahmet Hilmi
    Aim: It was aimed to determine the localization of the foramen mentale in the study, to compare the obtained data with the national and international literature and to investigate the distance between the back of the processus condylaris. Material and Method: Thirty-one mandibula were measured in Çukurova University Faculty of Medicine Anatomy Department. In our study, the location of foramen mentale, distance of between foramen mentale and basis mandibula, the distance to the edge of the alveoli in the toothed and toothless chins and the distance between the back points of both processus condylaris with digital caliper (Torq brand 0-150 mm) were measured. After these measurements, minimum (min.), maximum (max.), mean and standard deviation (SS) values were obtained. Results: The distance between the back points of both processus condylaris; mean and SS, (min, max.) values were found as 106.291 ± 15.417 mm (84.54-168.00 mm), respectively. In the localization of the foramen mentale, the distance between the foramen mentale and the basal mandibula between the first and second premolar teeth, min, max, mean, and SS values were; 10.16 mm, 17.22 mm, 12.18 mm and 1.52 mm, respectively, while the distance between the foramen mentale and the basal mandibula in the lower second premolar teeth was; 9.88 mm, 20.86 mm, 13.83 mm and 2.12 mm, respectively. Min, max, mean, and SS values of the distance of between foramen mentale and alveolar edge of the mandibular teeth and toothless chins of the 1st and 2nd premolar teeth were 6.23 mm, 18.15 mm, 9.8 mm and 2.63 mm, while those of the lower second premolar teeth were 5.83 mm, 19.98 mm, 12.19 mm and 3.53 mm, respectively. Conclusion: We believe that we make measurements of mandibula will be useful in dental medicine surgical applications, anesthesia applications, plastic surgery and implant clinical applications.
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    Effect of Chant Training on the Morphology of the Lateral Thyrohyoid Ligament: A Biometric and Acoustic Assessment
    (Mosby-Elsevier, 2019) Berdan, Meliha; Petekkaya, Emine; Yucel, Ahmet Hilmi
    Objective. The purpose of this study was to determine the effects of chant training both on the morphologic structure of the lateral thyrohyoid ligament (LTL) and on the acoustic characteristics of the voice. Methods. Three groups of people participated in the study. Group I was new to chant training, group II had completed or was still continuing chant training, and group III, the control group, did not have any chant training. For all participants, laryngeal cervical magnetic resonance imaging was performed to measure the right and the left LTLs. Additionally, vocal acoustic analyses were performed and compared with the anatomic morphometric measurements. Appropriate statistical assessments were performed to evaluate the measurements. Results. The length of the LTL was greater in men, and this finding supports the gender-specific differences in laryngeal structures. Anatomic differences between groups showed that 8 months of training was not sufficient to trigger morphologic changes. The left and right LTLs were asymmetric, but this finding was not statistically significant. Conclusions. Analyses revealed that vocal training causes morphologic changes in anatomic structures, which affect vocal quality.
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    Evaluation of the Supraglottic and Subglottic Activities Including Acoustic Assessment of the Opera-Chant Singers
    (Mosby-Elsevier, 2019) Petekkaya, Emine; Yucel, Ahmet Hilmi; Surmelioglu, Ozgur
    Opera and chant singers learn to effectively use aerodynamic components by breathing exercises during their education. Aerodynamic components, including subglottic air pressure and airflow, deteriorate in voice disorders. This study aimed to evaluate the changes in aerodynamic parameters and supraglottic structures of men and women with different vocal registers who are in an opera and chant education program. Vocal acoustic characteristics, aerodynamic components, and supraglottic structures were evaluated in 40 opera and chant art branch students. The majority of female students were sopranos, and the male students were baritone or tenor vocalists. The acoustic analyses revealed that the mean fundamental frequency was 152.33 Hz in the males and 218.77 Hz in the females. The estimated mean subglottal pressures were similar in females (14.99 cmH(2)O) and in males (14.48 cmH(2)O). Estimated mean airflow rates were also similar in both groups. The supraglottic structure compression analyses revealed partial anterior-posterior compressions in 2 tenors and 2 sopranos, and false vocal fold compression in 2 sopranos. Opera music is sung in high-pitched sounds. Attempts to sing high-pitched notes and frequently using register transitions overstrain the vocal structures. This intense muscular effort eventually traumatizes the vocal structures and causes supraglottic activity.