click below
click below
Normal Size Small Size show me how
Chapter 36, 58, 59
| Question | Answer |
|---|---|
| When should evacuation system hoses be flushed? | end of the day |
| What rinsing technique is regularly completed throughout a procedure? | limited |
| The main function of the saliva ejector is to | remove saliva and water |
| Why is it important to wet a cotton roll before removing it from the mouth? | The cotton roll may pull on the lining mucosa |
| If you are unable to slide the dam material interproximally, what can be placed on the underside of the dam to help in the application? | water-soluble lubricant |
| The assistant uses the ____________ grasp when using the HVE. | palm thumb |
| The rationale for inverting the dental dam is to | prevent saliva leakage |
| With the high-speed handpiece positioned on the occlusal surface of tooth #4, where would the HVE be positioned? | lingual surface of tooth #3 |
| When working with a right handed dentist the suction should be held in which hand? | right |
| Aspirate means | to draw back or within |
| What are the three most common methods used for maintaining a dry field of operation? | 1. cotton rolls 2. dental dam 3. dry angles |
| What is the purpose of selective polishing? | to polish only teeth with stain |
| What is the most common technique for stain removal? | rubber cup polishing |
| What is the purpose of a fulcrum? | to provide stability to the hand |
| What precautions should be taken when one is using a bristle brush? | not to traumatize the tissue |
| Toward which direction should the polishing stroke by directed? | toward the occlusal/incisal |
| How should the patient's head be positioned for access to the maxillary anterior teeth? | chin upward |
| To avoid the abrasive effects, what is the recommended amount of time to spend polishing each tooth? | 3 to 5 seconds |
| Endogenous stains on teeth may be due to | tetracycline usage during tooth development |
| Which grasp is used to hold the handpiece? | pen grasp |
| Amalgam stain is which type of stain? | intrinsic stain |
| Which procedure refers to the complete removal of calculus, debris and stain from the teeth? | oral prophylaxis |
| The air-powder polisher using a high-pressure stream of warm water and __________. | sodium bicarbonate |
| The recommended polishing pastes are those with | high polish and low abrasion levels |
| How are polishing pastes available? | various grits |
| What appearance will properly etched enamel have? | Matte chalky white |
| The purpose of the dental floss during dental sealant placement is to | remove excess material from interproximal surfaces |
| What is the recommended instrument used to check the occlusion of the sealant after placement? | articulating paper and holder |
| Which of the following is used to clean the teeth before etching? | Moistened pumice and a prophy brush |
| When checking a sealant that you just placed, your explorer skips over a break in the smooth surface of the sealant. What should you do? | Apply additional sealant to cover the void and cure |
| What surface of maxillary anterior teeth is most likely to receive a sealant? | lingual |
| true or false; placement of sealant interproximally between adjacent teeth prevents decay from occurring in this susceptible region. | false |
| Phosphoric acid etchant is very dangerous if used improperly. Which of the following precautions is advised when using this strong acid? | Patient and operator should wear protective eyewear |
| What common allergen in dental sealants could cause an allergic reaction if the person already has sensitivity present? | acrylate resin |
| What is the primary cause of failure of sealant retention? | moisture contamination |
| Sealants are placed ________. | in pits and fissures |
| Bacteria cannot survive under a properly placed sealant because bacteria need | a supply of carbohydrates as a nutrient supply in order live |