Содержание
- 2. TEMPORARY FILLINGS ARE MADE OF MATERIALS THAT ARE INTENDED TO LAST FOR UP TO ONE MONTH.
- 3. For example, if a patient has several dental cavities that require more than one appointment to
- 4. Permanent fillings, with proper care, can last from years to a lifetime. The procedure for placing
- 5. Silver amalgam fillings are the strongest and most common type of dental filling. They are usually
- 6. Silver amalgam fillings have been used since 1833, but have lost much popularity over the years
- 7. Composite resin fillings are made of a acrylic resins and finely ground glass. They are tooth-colored
- 8. An ultraviolet light is often used to accelerate hardening. These fillings tend to last between six
- 9. Composite resins sometimes shrink while setting, thus opening up gaps that allow bacteria access to the
- 10. Glass ionomer fillings are made of acrylic resins and powdered glass like composite resin fillings, but
- 11. The greatest advantage to glass ionomer fillings is their ability to release fluoride; they can continue
- 12. A VERB IS SAID TO BE IN ACTIVE VOICE WHEN THE SUBJECT PERFORMS THE VERB. EXAMPLE:
- 13. PASSIVE VOICE THE PASSIVE VOICE IS USED TO SHOW INTEREST IN THE PERSON OR OBJECT THAT
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