University:
Oxnard College
Course:
DA R020 | Advanced Dental Assisting
Academic year:

2023
Views:

210

Pages:

4
Author:

Yareli Daugherty

! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! Dental Cements Exam#2 Study Guide Uses of Cements • Luting - a glue used to cement on crowns & bridges • Base - placed in the bottom of the deep preps to insulate the pulp • Temporary restoration - placed to calm the tooth until a permanent restoration can be placed Zinc Phosphate “Flecks” • Used for final cementation & temporary restoration • A chemical reaction brings upon mix ing • Mixed on a glass slab Zinc Polycarbonate “Duralon” • Mainly used as a luting agent for final cementation • Not as strong as Zinc Phosphate, but less irritating to the pulp • Mixed cement appears to be too thick but flows easily when applied to surfaces • The liquid reacts w/ the calcium in the tooth • Provides chemical retention • Mixed on a paper pad Zinc Oxide Eugenol “Fynal” • Used as a luting agent; base & temporary restoration • Least irritating cement • Most soothing to the pulp • A good thermal insulator because of its low thermal conductivity • Provides mechanical retention • Disadvantage is its low compressive strength • Mixed on a paper pad ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! Glass Ionomer “Ketac” • Mainly used as luting agent • Nonirritating qualities to the pulp • Has Fluoride in the powder to inhibit decay • Provides chemical retention • Must be mixed on a paper pad; glass particles will react w/ the glass slab Zinc Oxide Eugenol Reinforced “IRM” • IRM -Intermediate Restorative Materials • Used for temporary fillings • Protects the pulp, reduces pulpal inflammation, & maintains the tooth until a permanent restoration can be placed • Last approximately up to 1 year • Mixed on a glass slab Acrylic Resin Cement • Used as a luting agent • Development of direct filling resin w/improved properties • Benefit of the acid-etch technique for attaching resin to enamel & the potential to bond to dentin conditioned w/ organic/inorganic acid • Applications/Cementation: • Which type of dental cement is used as an adhesive for permanent indirect restorations? ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! • Which dental cement contains oil of clove & has a sedative effect? ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! • When composite resin cement is used, how should the tooth surface be prepared?

Dental Cement Exam SG

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