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Evaluation The Effect of Incorporation of Different Herbal Extract Powders (Either Neem or Aloe Vera) On Thermal Conductivity and Shear Bond Strength of Acrylic Soft Denture Liner Material | ||
| Tikrit Journal for Dental Sciences | ||
| Volume 10, Issue 1, June 2022, Pages 35-46 PDF (706.18 K) | ||
| DOI: 10.25130/tjds.10.1.5 | ||
| Authors | ||
| Abeer A. Noori* ; Makarem A. Jaber | ||
| Department of Prosthetic Dental Technologies,College of health and medical technology ,Middle Technical University, Baghdad, Iraq. | ||
| Abstract | ||
| Abstract The main drawbacks of the soft liners were poor thermal conductivity and poor bonding between denture base and soft lining. The purpose of this study was to analysis the influence of incorporating either Neem or Aloe Vera on thermal conductivity and shear bond strength of heat cure acrylic soft liner. Sixty heat cure acrylic soft liner specimens were prepared and classified as two major groups based on tests that evaluated (thermal conductivity and shear bond strength), each major group sub classified for three groups based on incorporated material: The control group (10) specimens, (10) specimens with 10% by weight of Neem powder; (10) specimens with 10% by weight of Aloe Vera powder. Thermal conductivity specimens were fabrication with dimensions of (40 mm diameter × 2.5 mm thickness). Two acrylic block of shear bond strength specimens with dimensions (75mm × 25mm × 5 mm length, width, depth respectively) was fabrication. The reline material application on space between two acrylic blocks. The (Lee disc) equipment was used to assess thermal conductivity. With a crosshead speed of 0.5mm/min, a shear bond strength was measured. Data statically analyzed by One-way ANOVA and LSD tests. The results showed the Neem group had highest mean value of thermal conductivity and shear bond strength than aloe Vera and control groups at p<0.01. Either Neem or Aloe Vera increased thermal conductivity and shear bond strength of soft liner. | ||
| Keywords | ||
| Neem aloe vera thermal conductivity shear | ||
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