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den200 final
| Term | Definition |
|---|---|
| Dental bonding is also referred to as | dental adhesion. |
| Varnish should be placed on the ______ of the preparation. | walls floor margins All of the above are correct. |
| How long is the etchant material applied to the tooth being prepared for use of a bonding material? | 15 to 20 seconds |
| Insulating base material should cover the entire _______ to a thickness of _____ mm. | pulpal floor; 1 to 2 |
| When a varnish is used, it is always used before other materials. | false |
| Varnish should be placed | in two light coats. |
| Which of the following is the most concentrated type of fluoride on the market? | Fluoride varnish |
| Which of the following materials used as a base needs to set at least 5 minutes before placing the restoration? | Polycarboxylate cement |
| Which of the following types of pulpal stimuli may be associated with traumatic occlusion? | Mechanical |
| An example of enamel bonding is the placement of a | dental sealant. |
| Patients may feel sensitivity after the placement of a restoration | at any time. |
| All of the following statements are true about the application of etchant material except | the tooth must be thoroughly dried. |
| Materials that are versatile in their uses, such as for specialized dental bases, include | dental cements. |
| Etching for dental bonding is done with | phosphoric acid. |
| Which of the following would be the material of choice as an insulating base as well as a sedative base? | Zinc oxide-eugenol |
| Desensitizer should be placed | after rinsing and lightly drying the tooth. |
| Calcium hydroxide | stimulates the production of reparative dentin. |
| Which of the following is true of the bonding process? | Avoid overdrying or desiccating the tooth; the product works best on a slightly moist tooth structure. |
| Dental varnish is used in the cavity preparation to | seal dentinal tubules and reduce leakage around a restoration. |
| Which of the following would be the material of choice as an insulating base under a composite restoration? | Glass ionomer |
| The restorative material indicated for use when decay has extended into or close to the pulp is | liner/varnish. base/desensitizer. bonding agent. Any of the above. |
| Types of pulpal stimuli can be | physical. mechanical. chemical or biologic. All of the above. |
| Failure to place a protective base under a restoration can result in | postoperative sensitivity and damage to the pulp. |
| You are asked to select a protective base for insulation that is nonirritating under a composite restoration. Which would you select? | Polycarboxylate |
| An example of a biological pulpal stimulus is | bacteria from saliva coming into contact with pulpal tissues. |
| All of the following statements are true of the process of removing the smear layer in dentin bonding except | open ends of dentin tubules lead to sensitivity. |
| Zinc phosphate cement should be mixed | on a cool glass slab. |
| Desensitizers used to help prevent hypersensitivity should be used | to seal all affected dentinal tubules. |
| A properly etched tooth will appear | frosted. |
| A dental liner is placed | in the deepest area of the tooth preparation. |