EVALUATION OF CEMENT GAP OF INLAY RESTORATIONS FABRICATED USİNG A 3D PRINTING SYSTEM

Yıl 2023, Cilt: 7 Sayı: 3, 505 - 512, 31.12.2023

Elif Yiğit , Hasibe Sevilay Bahadır , Alican Bulut

https://doi.org/10.46519/ij3dptdi.1309683

Öz

The objective of this study was to assess the cement gap in inlay restorations fabricated by using a three-dimensional (3D) printing system.In this investigation, a total of 60 typodont teeth (30 mandibular molars and 30 maxillary molars) were utilized. Half of the specimens (n=15) underwent the preparation of mesio-occlusal (MO) cavities, while the remaining half (n=15) had mesio-occlusal-distal (MOD) cavities prepared. The occlusal cavities exhibited a width of 2.5-3 mm from buccal to lingual and a depth of 2 mm from the pulp, whereas the proximal inlay cavities showcased a line depth of 1.5 mm, a line thickness of 1 mm, and a buccolingual width of 5 mm. The specimens underwent scanning with an intraoral digital scanner (TRIOS 3 Basic, Copenhagen, Denmark). Afterwards, the design of inlays was accomplished by using EXOCAD software (Exocad Dental CAD 2.2, Darmstadt, Germany), and the fabrication of inlay restorations was carried out utilizing a 3D printer (Phrozen sonic mini 4K SLA, Hsinchu, Taiwan). Silicone replica method was employed to evaluate the cement gap of the restorations. The sections were analyzed by using a stereomicroscope (EUROMEX, Nexius Zoom, The Netherlands) at a magnification of x10, and measurements were obtained from three distinct locations. The obtained measurements were subjected to analysis using Adobe Photoshop software, and the average values were derived. Data analysis was performed by using Kruskal-Wallis and Pairwise-Comparisons tests in SPSS 22.0 software (α<0.05). No significant differences in the cement gap values between the printed the inlay restorations and MO cavities prepared in the mandibular and maxillary molars (p=1.000). No significant differences were observed in the cement gap between the inlay restorations fabricated with 3D printer and the MOD cavities prepared in the mandibular and maxillary molars and (p=1.000). The findings of this study suggest that the MO inlay restorations fabricated by using 3D printer exhibit adequate precision and can be used safely.

Anahtar Kelimeler

3D, Inlay, Replica Method, Cement Gap

3B YAZICI SİSTEMİYLE ÜRETİLEN İNLEY RESTORASYONLARIN SİMAN ARALIKLARININ DEĞERLENDİRİLMESİ

Öz

Bu çalışmanın hedefi, üç boyutlu (3B) yazıcı sistemi kullanılarak üretilen inley restorasyonlarının siman aralığı değerlerini araştırmaktır.Bu çalışma kapsamında, toplamda 60 adet typodont diş kullanıldı. Bu dişlerin yarısı (n=15), mesio-oklüzal (MO) kaviteler için, kalan yarısı (n=15) ise mesio-oklüzal-distal (MOD) kaviteler oluşturmak için kullanıldı. Bukkolingual genişlik 2,5-3mm ve pulpal derinlik 2mm olacak şekilde okluzal kaviteler hazırlandı. Proksimal inley kaviteler, basamak derinliği 1,5mm ve basamak kalınlığı 1 mm, bukkolingual genişliği 5 mm olarak tasarlandı. Kaviteler, intraoral dijital tarayıcı (TRIOS 3 Basic, Kopenhag, Danimarka) kullanılarak tarandı ve EXOCAD (Exocad Dental CAD 2.2, Darmstadt, Almanya) yazılımıyla inley restorasyon tasarımları yapıldı. 3B yazıcı (Phrozen sonic mini 4K SLA cihazı, Hsinchu, Tayvan) ile restorasyonların üretimi yapıldı. Restorasyonların siman aralığı değerlendirmek için silikon replika yöntemi kullanıldı ve kesitler stereomikroskop altında x10 büyütmede incelendi. Ölçümler üç farklı noktadan yapılıp, analiz için Adobe Photoshop programı kullanıldı. SPSS 22.0 programında Pairwise-Comparisons ve Kruskal-Wallis testleri ile verilerin analizi yapıldı (α<0,05). Alt ve üst molar dişlerde oluşturulan MO kavite preperasyonları ve 3B yazıcıyla üretilen inley restorasyonlar arasındaki siman aralığı değerlerinde herhangi bir fark tespit edilmedi (p=1,000). Alt ve üst molar dişlerde oluşturulan MOD kaviteler ve 3B yazıcıyla üretilen inley restorasyonlar arasında da siman aralığı değerlerinde bir fark saptanmadı (p=1,000). Bu araştırmanın sonuçlarına göre, 3B yazıcıyla üretilen MO inley restorasyonların klinik olarak uygun siman aralığına sahip olduğu ve 3B yazıcı ile üretim metodunun güvenilir bir alternatif olarak kullanılabileceği görülmektedir.

Anahtar Kelimeler

3B, İnley, Replika Yöntemi, Siman Aralığı

Kaynakça

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