Dental Materials

ionic bonds, covalent bonds, metallic bonds

hydrogen bonds and van der vaals bonds

hard and likely to break or crack

the measure of the weight of a material compared with its volume

the resistance of a solid to pernetration

the maximum amount of stress a material can withstand without breaking

the ability of a material to recovers its shape completely after deformation from a applied force

a materials' resistance to deformation

the greatest stress a structure can withstand without permanent deformation

the resistance of a material to permanent deformation

the ability of a material to resist fracture

the ability of an object to be pulled or stretched under tension without rupture

the srength of a material at fine margins

the ability of a liquid material to flow

property of a liquid to flow more readily under mechanical force

restorations placed directly into a cavity preparation

materials used to fabricate restorations outside the mouth that are subsequently placed into the mouth

the amount of time allotted to bring the components of a material together into a homogenous mix

the time permitted to manipulate the material in the mouth

the time at which the material can no longer be manipulated in the mouth

the time at which the material has reached its ultimate state

materials that set through a timed chemical reaction with the combination of a catalyst and base

materials that require a blue light source in initiate a reaction

materials that polymerize by a chemical reaction when the material is mixed with a catalyst or initiated by exposure to a blue light or by a combination of chemical or light reaction

the useful life of a material before it deteriorates or changes in quality

the ability of an object to be pulled or stretched under tension without rupture