Impression Techniques and Materials Used in Implant Supported Prosthetic Restorations: A Review

Abstract

In prosthodontics; acquiring the negative of the region to be rehabilitated in the most accurate way, directly affects the success of the restoration. The faults in choosing the impression material, tray selection and technique; may cause inequality in force distribution, prosthetic and abutment screw loosening and occlusal irregularities. For a successful restoration, the intraoral positions of the implants and their interrelationships must be exactly transferred to the main model and the precision of implant impression must be ensured.

            Compared to denture- supported prostheses and implant- based protheses, dental implants do not have periodontium and the ability to make orthodontic movements, restricts the ability to tolerate errors. Therefore more technical precision is needed in the measurement of implant supported prosthetic restorations.

            In this review; the impression techniques used in implant supported prosthetic restorations were described and in a wide range the innovations in taking impression were evaluated.

Keywords

• Impression technique,impression material,implant supported prosthetic restorations

İmplant Destekli Protetik Restorasyonlarda Kullanılan Ölçü Yöntemleri ve Materyalleri: Derleme

Abstract

        Protetik diş tedavilerinde rehabilite edilecek bölgenin negatifini en doğru şekilde elde etmek, yapılacak olan restorasyonun başarısını doğrudan etkilemektedir. Kullanılan ölçü maddesi, kaşık seçimi ve ölçü tekniğinde yapılan hatalar; kuvvet dağılımında eşitsizlik, protez ve abutment vidası gevşemesi ve okluzal düzensizlikler gibi protetik komplikasyonlara neden olmaktadır. Başarılı bir restorasyon için implantların pozisyonlarının ve birbiriyle ilişkilerinin ana modele birebir transfer edilmesi ve ölçüde hassasiyetin sağlanması gerekmektedir.

        Diş destekli protezlerle implant üstü protezler karşılaştırıldığında, dental implantların periodonsiyum içermemesi ve ortodontik hareket yapma yeteneğinin bulunmaması ölçüde meydana gelecek uyum hatalarının tolere edilmesini kısıtlamaktadır. Bu nedenle implant üstü protetik restorasyonların ölçü işleminde çok daha fazla teknik hassasiyete ihtiyaç duyulmaktadır.

            Bu derleme geçmişten günümüze kullanılan ölçü maddelerinden bahsederek, implant üstü protetik restorasyonlarda kullanılan ölçü tekniklerini ve ölçü alımındaki yenilikleri geniş bir yelpazede incelemek amacı ile yazılmıştır.

Keywords

• Ölçü teknikleri,ölçü materyalleri,implant destekli protezler

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