NEET MDS Shorts
175936
Dental MaterialsHigher temperatures generally speed up the chemical reactions involved in the setting of gypsum products, leading to a shorter setting time.
549175
Dental MaterialsThe hybrid layer formed by the infiltration of resin into the etched dentin provides a strong mechanical interlock and acts as a barrier to prevent microleakage between the restoration and the tooth structure.
576106
Dental MaterialsThe optimal force for condensing a composite resin using a 1 mm diameter condenser nib is 15 pounds, which is within the physiologic limits of the tooth and provides effective condensation.
571902
Dental MaterialsGlass ionomer cements are known for their ability to chemically bond to tooth structure, particularly dentin and enamel.
196112
Dental MaterialsThe line of force refers to the direction in which the force is applied during condensation. It is crucial to apply the force in a controlled and precise manner to avoid causing damage to the tooth or the restoration. The text mentions that the force applied with a condenser parallels the long axis of the instrument shaft, with specific angles recommended for different areas of the cavity.
365506
Dental MaterialsWhen acrylic resin absorbs water, it expands linearly by approximately 0.23%, which can affect the fit and function of the denture.
451666
Dental MaterialsAdding a nonionic surfactant to silicone impression materials makes the surface more hydrophilic, allowing for better wetting of soft tissues and improved detail capture.
882629
Dental MaterialsThe ideal requirements for temporary cements include promoting the healing process and having a low compressive strength to facilitate removal.