Nanotube-modified dentin adhesive--physicochemical and dentin bonding characterizations.

نویسندگان

  • Marco C Bottino
  • Ghada Batarseh
  • Jadesada Palasuk
  • Mohammed S Alkatheeri
  • L Jack Windsor
  • Jeffrey A Platt
چکیده

OBJECTIVE The aim of this study was to investigate the effect of aluminosilicate clay nanotubes (Halloysite, HNT) incorporated into the adhesive resin of a commercially available three-step etch and rinse bonding system (Adper Scotchbond Multi-Purpose/SBMP) on dentin bond strength, as well as the effect on several key physicochemical properties of the modified adhesive. METHODS Experimental adhesives were prepared by adding five distinct HNT amounts (5-30 wt.%) into the adhesive resin (w/v) of the SBMP dentin bonding system. Bond strength to human dentin, microhardness, and degree of conversion (DC) of the modified adhesives were assessed. RESULTS From the shear bond strength data, it was determined that HNT incorporation at a concentration of 30 wt.% resulted in the highest bond strength to dentin that was statistically significant (p=0.025) when compared to the control. Even though a significant increase in microhardness (p<0.001) was seen for the 30 wt.% HNT-incorporated group, a significantly lower DC (p<0.001) was recorded when compared to the control. SIGNIFICANCE It was concluded that HNT can be incorporated up to 20 wt.% without jeopardizing important physicochemical properties of the adhesive. The modification of the SBMP dentin bonding agent with 20 wt.% HNT appears to hold great potential toward contributing to a durable dentin bond; not only from the possibility of strengthening the bond interface, but also due to HNT intrinsic capability of encapsulating therapeutic agents such as matrix metalloproteinase (MMP) inhibitors.

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Fourier transform infrared photoacoustic spectroscopy study of physicochemical interaction between human dentin and etch-&-rinse adhesives in a simulated moist bond technique.

The purpose of this study was to provide the physicochemical interactions at the interfaces between two commercial etch-&-rinse adhesives and human dentin in a simulated moist bond technique. Six dentin specimens were divided into two groups (n=3) according to the use of two different adhesive systems: (a) 2-hydroxyethylmethacrylate (HEMA) and 4-methacryloxyethyl trimellitate anhydrate (4-META)...

متن کامل

In vitro study of the effect of sodium hypochlorite and type of bonding on the shear bond strength of the composite to the bovine dentin

In vitro study of  the effect of sodium hypochlorite and type of bonding on the shear bond strength of  the composite to the bovine dentinDr. Kermanshah, H.* - Dr. Ghanbaripour H.** *Assistant Professor of Operative Dentistry Dept., Faculty of Dentistry, Tehran University / Medical Sciences. **Dentist. Abstract Background & Aim: Recent studies have reported the increase in bonding stability whe...

متن کامل

اندازه‎گیری درجه تبدیل مونومر به پلیمر در ScotchBond MP Plus Adhesive، SingleBond، ‍Prompt L-Popو یک باندینگ آزمایشگاهی

Statement of Problem: The quantity of remaining unreacted double bonds may be a significant factor pertaining to the mechanical, physical and chemical properties of restorative resins. Insufficient polymerisation within the hybrid layer may cause significant differences in the quality of this layer, and act as a reservoir for monomer release thus increasing cytotoxic potential. Purpose: The aim...

متن کامل

Effect of salivary contamination on shear bond strength of three different dentin adhesive systems

Effect of salivary contamination on shear bond strength of three different dentin adhesive systems Dr. H. Kermanshah* - Dr. H. Haj miragha** - Dr. SH. Gatoeizadeh*** *- Assistant Professor of Operative Dentistry Dept. - Faculty of Dentistry – Tehran University / Medical Sciences. **- Assistant Professor of Fixed Prosthodontics Dept. & Dental Research Center - Faculty of Dentistry – Tehran Unive...

متن کامل

بررسی اثر برداشت کلاژن بر میزان استحکام باند برشی چهار سیستم باند عاجی یک جزئی

Background and Aim: Achieving adhesion between restorative materials and dentin as a wet and dynamic surface is an important topic in restorative and especially in conservative dentistry. Adhesion of new dentin bonding systems depends on the formation of hybrid layer and micromechanical retention. Nevertheless, an ideal adhesive system has not yet been introduced .Recent studies reveal an incre...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

عنوان ژورنال:
  • Dental materials : official publication of the Academy of Dental Materials

دوره 29 11  شماره 

صفحات  -

تاریخ انتشار 2013