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Explain about Bioactive materials
Bioactive materials: Certain glasses, ceramics, and glass-ceramics that contain oxides of silicon, sodium, calcium and phosphorus (SiO2 , Na2O, CaO, and P2O5 ) form a chemical bond with bone, resulting in a strong mechanical implant bone bond. These materials do bond to bone through a time-dependent, kinetic modification of the surface triggered by their implantation within living bone. An ion-exchange reaction between the bioactive implant and surrounding body fluids results in the formation of a biologically active calcium phosphate layer on the implant. This layer is chemically and crystallographically equivalent to the mineral phase in bone which is responsible for the strong interfacial bonding.
Density Dependent Factors - Population Regulation The density dependent factors are intrinsic or biotic factors and they depend on interactions between individuals within same
How do the cheek and onion cells visually resemble one another, and why are shapes of squamous cells so different than the onion cells?
Since erythrocytes red blood cells do not hold any sub cellular organelles they are essentially a membranous sac for carrying haemoglobin their plasma membrane is a convenien
Endodermis is the layer of cells surrounding the vascular cylinder of plants.
What are plasmids? The Plasmids are circular DNA molecules present in the genetic material of some bacteria. They may perhaps contain genes responsible for bacterial resistance
Define Freeze Concentration? This process has been known for many years and has been applied commercially to orange juice. However, high processing costs due largely to losses
Q. What are the sources of dietary fibre in our diet? The sources of dietary fibre include whole grain cereals, legumes, whole pulses, leafy vegetables, vegetables like peas,
Q. Explain Barrier Techniques - Personal Protective Equipment? The use of personal protective equipment (PPE) - clothing, masks, eyewear, and gloves - is part of routine dental
What is the difference between Mitosis and Meosis?
Explain about the Qualitative Tests for Carbohydrates? This section will familiarize you with simple techniques and tests to identify carbohydrates in a laboratory. The objecti
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