DENTAL WAXES By: Rabia Zulfiqar

Dental WaxesDental waxes Used inrestorative dentistry for

labrotary Procedures.Thermolastic materialsDental waxes are supplied in form of sheets &

sticks of various shape, thickness, different colorsUSES:I. Making Wax design/ pattern for comlete and partial denturesII. making wax design for inlay, crown and bridgesIII. boxing in of impressionbefore model is pouredIV. registration of occlusal bite relationship

SOURCE OF NATURAL WAXESMINERAL INSECT VEGETABLE

Source

1-paraffin (from distillation of crude petroleum )2-ceresin (obtained from petroleum)

Bees Wax :(obtained from honey comb)

Carnauba wax: from palm treescandelila wax: from plants

USES Used to increase melting range of paraffin wax.

used to modify properties of paraffin wax

JAPAN WAX & COCOA BUTTER GUMS RESINS

Source they are chiefly fats.contain glycerides of palmatic stearic acid

produced by plants Gum arabica & tragacanth

natural resins resemble waxes in appearance & properties to some extent

USES used as protector of glass ionomer cement from moistureduring setting

produce sticky viscous liquid

used as cavity varnishes

Physical properties Melting Range FLOW Thermal Expansion & contraction Internal Stress Plasticity solid-solid transition temperature Mechanical properties. WAXES USED IN DENTISTRY Pattern waxes Inlay wax, Modelling wax, sheet casting wax,Base plate wax Processing Waxes Boxing wax, Utility Wax , Sticky Wax Impression waxes : Corrective Wax , Bite Registration Wax