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ARK ŞEKİLLERİNE GÖRE ALT VE ÜST PROTEZLERİN OTURDUĞU ALANLARIN KARŞILAŞTIRILMASI

A COMPARISON OF THE BASAL SEAT AREAS OF THE MAXILLARY AND MANDIBULAR DENTURES ACCORDING TO ARCH SHAPES

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Abstract (2. Language): 
In this study, measurement of the denture bearing areas of the maxillary and mandibular dentures according to different arch shapes (ovoid, square and tapering) were performed. The last impression was made from zinc oxide and eugenol impression paste of ninety edentulous patients with different arch shapes. The denture bearing area of the maxillary and mandibular cast was marked with an indelible pen. The rubber-base impression material was applied on the cast. The set rubber-base impression was divided into parts and pressed on the graph paper The outlines of each part were drawn on the graph paper and measured with a planimeter by the same operator. As a result of analysis of variance, there were statistical differences found between basal seat areas of the maxillary dentures according to the arch shapes (P<0.01). It was found that the mean denture bearing area in the edentulous maxillae was approximately 1.7 times greater than the area of the edentulous mandible.
Abstract (Original Language): 
Bu çalışmada, oval, kare ve üçgen gibi farklı alveolar ark şekillerinde olan üst ve alt tam protezlerin kapladığı alanın yüzey ölçümü ve bunların karşılaştırılması yapıldı. Farklı damak şekline sahip doksan hastanın çinko oksit öjenol ölçü maddesi ile alınan final ölçülerinden modeller hazırlandı. Dişsiz üst ve alt çene modelleri üzerinde protezin oturacağı alan işaretlendi. Sonra elastomerik ölçü maddesi bu kısma yayılarak sertleşmesi beklendi. Sertleşen ölçü maddesi parçalara ayrılarak grafik kağıdı üzerine konuldu, çevresi çizildi. Bu kısımlar planometre ile bir araştırmacı tarafından ölçüldü. Varyans analizi sonucunda, kret şekillerine göre üst protezlerin kapladığı alanlar arasında farklılık bulunmuştur (P<0.01). Üst protezin kapladığı alanın, alt protezin alanından yaklaşık 1.7 kat fazla olduğu tespit edilmiştir.
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