Journals / Gülhane Tıp Dergisi / 2005 / Cilt: 47 - Sayı: 4

Evaluation of bacterial adhesion on fixed partial denture materials

Farklı sabit protetik restorasyon maddelerinde bakteri tutunmasının incelenmesi

Pages
251–255
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The use of Cr-Ni can be suggested on teeth distant to esthetic zone or underneath ceramic materials due to less bacterial adhesion on this material when all prosthetic restorative materials were evaluated.

📌 3 Key Takeaways

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Objective & Hypothesis:fixed partial denture materials Although improved oral hygiene and hygienic prosthetic restorations are prerequisites for a healthy state of periodontal tissues around dental restorations by impeding occurrence of gingivitis and periodontitis, the surface characteristics of dental restorative materials can also present important factors.
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Key Findings & Data:The bacterial suspensions of A.a (ATCC 29523) and S.mutans (Refik Saydam culture collection 676) were prepared and the initial bacterial counts were determined by using a nephelometric method (Uro- Quick, Italy).
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Conclusion & Impact:The use of Cr-Ni can be suggested on teeth distant to esthetic zone or underneath ceramic materials due to less bacterial adhesion on this material when all prosthetic restorative materials were evaluated.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Bakteriyel yapışma · Dental materyaller · Dental porselen

Abstract

fixed partial denture materials Although improved oral hygiene and hygienic prosthetic restorations are prerequisites for a healthy state of periodontal tissues around dental restorations by impeding occurrence of gingivitis and periodontitis, the surface characteristics of dental restorative materials can also present important factors. The aim of this study was to evaluate the adhesion of Actinobacillus actinomycetemcomitans (A.a) and Streptococus mutans (S.mutans), which are accepted to be the infectious agents, to current prosthetic restorative materials. The bacterial suspensions of A.a (ATCC 29523) and S.mutans (Refik Saydam culture collection 676) were prepared and the initial bacterial counts were determined by using a nephelometric method (Uro- Quick, Italy). Cr-Ni, In-Ceram, Empress 2 translucent, Ivoclar, Empress 2 dentin, Alphadur and Empress II ingot were used as prosthetic restorative materials to evaluate bacterial adhesion. These materials were placed in 24 well plates and sterile saliva, and bacteria were added. Specific broths for each strain were, then, transferred in well plates and incubated for the adhesion. The bacteria adhered to the surface of restorative materials were detached by sonification procedure and measured by nephelometric method. The viability of bacteria were evaluated in specific media. The procedure was repeated for three times and the mean of measurements were calculated. The measurement of viable bacteria count by culture method indicated that A.a adhered in small amounts on Cr-Ni surface and in higher amounts on In-Ceram and Empress 2 ingot surfaces. The highest S.mutans adherence was found on Empress 2 ingot, although S.mutans adhered to a lesser extent on all specimens when compared to A.a. Nephelometric measurement demonstrated that A.a adhered in small amounts on Alphadur and in higher amounts on Cr-Ni surface. The highest S.mutans adherence was measured on Empress 2 translucent, and the lowest on In-Ceram, Empress 2 dentin and Alphadur surfaces. The use of Cr-Ni can be suggested on teeth distant to esthetic zone or underneath ceramic materials due to less bacterial adhesion on this material when all prosthetic restorative materials were evaluated.

Özet

Dental restorasyonlar etrafındaki mukozanın sağlığının korunabilmesi ile gingivitis ve periyodontitisin gelişmemesi, her ne kadar hastanın oral hijyen alışkanlıkları, protetik restorasyonlarının hijyenik olması ve mikrobiyal dental plağın azlığına bağlı olsa da, diş hekimliğinde kullanılan restoratif materyallerin yüzey özellikleri de önemlidir. Bu çalışmada ağızda sıklıkla infeksiyon etkeni olarak kabul edilen Actinobacillus actinomycetemcomitans (A.a) ve Streptococus mutans'ýn (S.mutans), günümüzde sabit protetik restorasyonların yapımında kullanılan maddelere tutunmalarının incelenmesi amaçlanmıştır. A.a (ATCC 29523) ve S. mutans (Refik Saydam Kültür Koleksiyonu 676) suşlarının belli oranda bakteri süspansiyonları hazırlandı ve başlangıç bakteri sayısını belirlemek amacıyla nefelometrik yöntemle (Uro-Quick, Italy) ölçümleri yapıldı. Bakteriyel tutunmayı belirlemek için, Cr- Ni, In-Ceram, Empress 2 translüsent, Ivoclar, Empress 2 Dentin, Alphadur, Empress 2 ingot sabit protetik restorasyon materyalleri kullanıldı. Bu materyaller 24 çukurlu hücre kültürü flasklarına alınarak üzerlerine steril tükrük ve bakteri ilave edildi. Araştırılan bakterilere özel sıvı besiyerleri kuyucuklara konularak, adezyon için inkübasyona bırakıldı. Yüzeylere tutunan bakteriler sonifikasyon işlemi ile koparılarak, yüzey başına tutunan bakteri sayısı nefelometrik yöntem ile ölçüldü. Bakteriler özel besi yerlerine ekilerek, canlılıkları tespit edildi. Bu deney üç kez tekrar edilerek, ölçümlerin ortalamaları alındı. Canlı bakteri sayısının kültür yöntemiyle ölçülmesi ile, A.a'nın en az Cr-Ni metal yüzeye, en yüksek In-Ceram ve Empress 2 ingot yüzeylere tutunduğu görüldü. S.mutans'ın A.a'ya göre araştırılan tüm yüzeylere daha az miktarda tutunduğu ve aynı zamanda en yüksek oranda Empress 2 ingot materyale tutunduğu izlendi. Nefelometrik inceleme ise, A.a nın en az Alphadur'a, en yüksek CrNi'e tutunduğunu göstermiştir. S.mutans ise, en fazla Empres 2 translösent'e, en az ise In-Ceram, Empres 2 dentin ve Alphadur'a tutunmuştur. Tüm örnek yüzeyler bakteriyel tutunma açısından değerlendirildiğinde; Cr-Ni alaşımının estetik hattın dışındaki dişlerde kullanımı veya seramik materyallerin altında kullanılması önerilebilir.

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Cite This Article

AKCA, A. E., AKCA, G., GÖKÇE, S., SULTAN, N., ÖZDEMİR, A. (2005). Evaluation of bacterial adhesion on fixed partial denture materials. Gülhane Tıp Dergisi, Cilt: 47 - Sayı: 4, 251–255. https://ajindex.com/articles/226237

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