The Effects of Different Beverages on Fracture Resistance of CAD/CAM Monolithic PEEK and Monolithic Zirconia Crowns

Yıl 2024, Cilt: 13 Sayı: 2, 320 - 327, 20.05.2024

Emine Hülya Demir Sevinç , Elif Didem Demirdağ , Aykut Gönder , Burak Gökdeniz , Mehmet Ali Kılıçarslan

https://doi.org/10.54617/adoklinikbilimler.1334745

Öz

Aim: To assess the impact of various beverages on the fracture resistance of CAD/CAM polyetheretherketone (PEEK) and monolithic zirconia materials.
Materials and Method: We fabricated eighty CAD/CAM materials from PEEK polymer (CopraPeek; Whitepeaks Dental Solutions GmbH, Germany) and monolithic zirconia (inCoris TZI; Dentsply Sirona Systems GmbH, Bensheim, Germany), with ten samples per group. These samples were submerged in either distilled water, cola, coffee, or red wine and stored at 37°C for 12 days. We utilized a universal testing machine (Lloyd LRX; Lloyd Instruments Ltd., West Sussex, UK) to measure each sample’s fracture resistance. The t-test provided a comparison of normally distributed variables between the two groups. For multiple group comparisons, we executed an analysis of variance (ANOVA).
Results: A statistically significant difference was observed between the PEEK and zirconia groups in terms of maximum load and elastic load-bearing capacity values (p˂0.05), with zirconia materials yielding higher values. However, there was no critical difference in these measures obtained from different solutions for neither PEEK nor zirconia samples (p>0.05).
Conclusion: CAD/CAM monolithic PEEK material stored in various solutions demonstrated lower fracture resistance and elastic strength than monolithic zirconia materials. Despite this, PEEK exhibited the highest fracture resistance to intraoral occlusal forces. Accordingly, due to its chemically inert nature and superior force absorption, we recommend PEEK as a viable alternative material for posterior crowns in fixed restorations.

Anahtar Kelimeler

Dental CAD/CAM, PEEK, Monolithic Zirconia, Fracture Strength

Farklı İçeceklerin CAD/CAM Monolitik PEEK ve Zirkonya Kronların Kırılma Dayanımlarına Etkisi

Öz

Amaç: Bu çalışmanın amacı; farklı içeceklerin CAD/CAM polietereterketon (PEEK) ve monolitik zirkonya malzemelerinin kırılma direnci üzerindeki etkilerini değerlendirmektir.
Gereç ve Yöntem: PEEK ve monolitik zirkonyadan her grupta 10 örnek olmak üzere toplam 80 CAD/CAM malzemesi üretildi. Örnekler 12 gün boyunca 37°C'de distile su, kola, kahve ve kırmızı şarapta saklandı. Her numunenin kırılma direncini belirlemek için üniversal test cihazı kullanıldı.
Bulgular: PEEK ve zirkonya grupları arasında maksimum yük ve elastik yük taşıma kapasitesi değerlerinde istatistiksel olarak anlamlı fark tespit edildi (p˂0.05). Zirkonyum malzemeler en yüksek kırılma direnci sergilerken hem PEEK hem de zirkonya örneklerinin farklı içeceklere maruz bırakılması neticesinde maksimum yük ve elastik yük taşıma kapasitelerinde istatistiksel olarak anlamlı bir fark tespit edilmedi (p>0.05).
Sonuç: Farklı solüsyonlarda bekletilen CAD/CAM PEEK malzemesi, monolitik zirkonyaya göre daha düşük kırılma direncine ve elastik mukavemete sahipti. Ancak, PEEK dental materyallerinin kimyasal olarak inert yapısı ve yüksek absorpsiyon kapasitesi nedeniyle yine de posterior bölgenin sabit restorasyonu için alternatif bir kron materyali olarak kullanılabileceğini öneriyoruz.

Anahtar Kelimeler

Dental CAD/CAM, PEEK, Monolitik Zirkonya, Kırılma Direnci

Kaynakça

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