Turkiye Klinikleri Journal of Dental Sciences

.: ORIGINAL RESEARCH
Problems with the Quality of Root Canal Treatment Performed by Undergraduate Students on Single-Rooted Teeth
Diş Hekimliği Öğrencilerinin Tek Köklü Dişlerde Uyguladıkları Kök Kanal Tedavileriyle İlgili Problemler
Sema SÖNMEZ KAPLANa, Tuna KAPLANa, Güzide P. SEZGİNa
aBiruni University Faculty of Dentistry, Department of Endodontics, İstanbul, TURKEY
Turkiye Klinikleri J Dental Sci. 2020;26(2):187-94
doi: 10.5336/dentalsci.2019-66126
Article Language: EN
Full Text
ABSTRACT
 Objective: This study aims to analyze the radiographic quality of root canal fillings performed by fourth year dental undergraduate students in the Biruni University Faculty of Dentistry, Istanbul, Turkey. Material and Methods: Endodontic records from 505 completed endodontic therapies performed on 337 patients by dentistry students with the same pre-clinical education between 2017 and 2018 were examined. Four variables were analyzed: the length of the root canal filling, the density of the root canal filling, the amount of taper and the cutting level of excess gutta-percha. Iatrogenic errors, including ledges, perforations and fractured instruments were also documented. The samples were defined as 'optimum' radiographically, if the obturation material ends 0-2 mm short of the radiological apex with adequate taper, no voids visible and the cutting level of excess gutta-percha is 1 mm below the cementoenamel junction with no iatrogenic error. Radiographs were examined by two experienced endodontists. A chi-square test was used to determine statistical significance between different parameters. Results: There was no significant difference between all examined anterior (27%) and premolar (23%) teeth while there was a statistically significant difference between the 'optimum' root canal fillings on maxilla (27.7%) and mandible (18.1%) (p=0.018). Conclusion: Upon consideration of many criteria, the 'optimum' cases we defined were found to be low compared to other studies. Therefore, more studies are required, considering multiple criteria.

Keywords: Dental students; education; radiography; root canal obturation
ÖZET
 Amaç: Bu çalışmanın amacı, Biruni Üniversitesi Diş Hekimliği Fakültesi, 4. sınıf öğrencileri tarafından uygulanmış kök kanal dolumlarının radyografik kalitesini değerlendirmektir. Gereç ve Yöntemler: Aynı endodonti preklinik eğitimini tamamlamış diş hekimliği öğrencilerinin, 2017-2018 yıllarında endodonti kliniğinde 337 hastada uyguladığı, 505 adet tamamlanmış endodontik tedavi kayıtları değerlendirilmiştir. Bu çalışmada, kök kanal dolumu uzunluğu ve homojenitesi, preperasyon açısı miktarı ve kuronal bölümdeki fazla gütaperkanın kesim seviyesi olmak üzere dört farklı değişken incelenmiştir. Aynı zamanda, basamak, perforasyon ve alet kırığı gibi iyatrojenik hatalar da kayıt edilmiştir. Örneklerden, obturasyon uzunluğu radyolojik apeksin 0-2 mm gerisinde olan, preparasyon açısı yeterli ve kanal dolumunda boşluk görülmeyen, koronal bölümdeki fazla gütaperkanın kesim seviyesi uygun olan ve iyatrojenik hata içermeyenler radyografik olarak 'ideal' kök kanal dolumu şeklinde nitelendirilmiştir. Radyografiler iki tecrübeli endodontist tarafından incelenmiştir. Farklı parametreler arasındaki istatistiksel anlamlılık Kikare testi ile analiz edilmiştir. Bulgular: 'İdeal' olarak tanımlanan örnekler incelendiğinde, anterior (%27) ve premolar (%23) dişler arasında istatistiksel olarak anlamlı bir farklılık tespit edilememiştir. Buna karşın, üst çene (%27,7) ve alt çenedeki (%18,1) 'ideal' olarak tanımlanan dişler arasında istatistiksel olarak anlamlı bir fark bulunmuştur (p=0,018). Sonuç: Tüm değerlendirmelerin doğrultusunda, 'ideal' olarak tanımladığımız vakaların yapılmış benzer çalışmalara kıyasla daha az olduğu tespit edilmiştir. Bu sebeple, endodontik tedavinin kalitesini değerlendirmede daha fazla parametrenin göz önünde bulundurulduğu ileri çalışmalara ihtiyaç vardır.

Anahtar Kelimeler: Diş hekimliği öğrencileri; eğitim; radyografi; kök kanalını tıkama
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