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Terms in this set (33)If the liquid or powder acrylic material is being used for the provisional, how many drops of liquid are used? 10 How far below the margin of the preparation should the provisional crown sit? The provisional should be flush with the margin. Which statement is a contraindication for provisional coverage? Cover the facial of a veneer preparation. The occlusal surface of the provisional coverage should sit _____ the occlusal plane of the adjacent teeth. even with Which provisional, preformed crowns are used on anterior teeth, when appearance is important? Polycarbonate Which provisional uses a polymer shell filled with a hybrid composite resin that bonds with the preformed crown and tooth? Preformed polymer What is the advantage of using preformed crowns for provisional coverage?
It reduces time required for the procedure. The provisional is trimmed to within ___ mm of the gingival shoulder of the prepared tooth. 1 What instructions are given regarding home care instructions for a patient with provisional coverage? If the provisional comes off, contact the office immediately so it can be put back on. When is a thermoplastic tray, used to fabricate a custom provisional, made? Before the dentist prepares the teeth The cervical margins of the provisional should have no more than ___ mm of space between the crown margin and the finish line of the preparation.
0.5 Of the materials listed, which one is used most commonly for custom provisional coverage? Self-curing acrylic resin What is one disadvantage of using custom provisional coverage? It can be the most time-consuming to make. What should be done if the margins of the provisional are not adequate? Additional material is added at the inner aspect of the margin and then the provisional is reseated for setting. Which procedure would require a patient to wear a provisional prosthesis for a longer period of time? Implants or periodontal therapy Once the acrylic-loaded impression is on the prepared tooth, it should remain on the tooth for approximately how long? 3 minutes What is the setting time for the resin placed in a preformed crown? 90 to 120 seconds What is the most common type of provisional coverage used for crown and bridge preparations? Custom-made The two types of provisional coverage include _____ and _____. custom; prefabricated When would a stainless steel crown be used for provisional coverage? When strength is essential When is laboratory-fabricated coverage used? Several teeth have been prepared, such as in a multiunit bridge. Which of the following is appropriate patient home-care instruction for someone with provisional coverage? Pull floss through the contact, either to the facial or lingual side, once floss is placed below the contact. What is the set time for mixed acrylic before placing it into the mouth? 1 to 2 minutes What could occur when fabricating a provisional if undercuts are present on proximal surfaces? Locking on Why is it necessary to keep the preliminary alginate impression moist? To keep the alginate from distorting During a crown preparation appointment, when are preformed provisional crowns tried in for size and shape? After Which statement is incorrect about prefabricated crowns? The crowns are available for bridges as well as for single units. Why is the provisional placed on the tooth in the patient's mouth for the final curing stage?
To avoid excess shrinkage of the provisional during the final curing stage Which cement is most commonly used with provisional crowns? Temporary Which statement is correct regarding preformed polycarbonate crowns? They can be used as a mold to fabricate a custom provisional. Which statement is correct regarding prefabricated temporary crowns? Crowns made of polycarbonate are used where appearance is important. What is the purpose of provisional coverage? Maintain function to the area of the mouth. What is the final step after cementing the provisional crown? Check the occlusion. Sets with similar termsEF CROWN AND BRIDGE TEST REVIEW45 terms Chelsea_Dickenson preclinical final51 terms meganluna MDA Ch 51 recall10 terms corrie_manning Exam 380 terms Emily3311 Sets found in the same folderchapter 50 & 51 test69 terms Julie_Phillips22 Ch. 56 quiz30 terms MRebekah chapter 46 & 47 test85 terms Julie_Phillips22 Dental assistant chapter 33 key terms14 terms Courtney_Bell15 Other sets by this creatorTopic 7 DANB review quiz50 terms kelly_asroff Topic 5 dental scheduling quiz18 terms kelly_asroff Topic 6 nutrition quiz47 terms kelly_asroff Topic 4 financial systems quiz38 terms kelly_asroff Other Quizlet setsLAWS AND ETHICS25 terms Jamie_Malaterra NURS165 Exam 3: Gastric Disorders40 terms 15sabrinan EMSE-2051-LA1 Accel 337 terms John_HarvillPLUS American History Unit 4 Checkup 345 terms Belle6241 Related questionsQUESTION how do you estimate quickly the proper size of suction catheter needed? 9 answers QUESTION What can affect a person's decision when choosing a removable prosthesis? 15 answers QUESTION recovering alcoholics are advised to read the label and select a mouth rinse that does not contain alcohol. 15 answers QUESTION What would be the least likely complication of a suprapubic prostatectomy? 10 answers How far below the margin of preparation should the provisional crown sit?If the liquid or powder acrylic material is being used for the provisional, how many drops of liquid are used? How far below the margin of the preparation should the provisional crown sit? The provisional should be flush with the margin. Which statement is a contraindication for provisional coverage?
What should be done if the margins of the provisional are not adequate quizlet?What should be done if the margins of the provisional are not adequate? Additional material may be added at the inner aspect of the margin and then the provisional be reseated for setting.
What is the criteria for provisional coverage of a tooth waiting crown delivery?What are the two criteria for provisional coverage of a tooth awaiting crown delivery? A restoration within the crown of the tooth, such as an inlay. Provisional restoration made directly inside the patient's mouth. Provisional restoration made on a cast outside the patient's mouth.
What is the setting time for the resin placed in a preformed crown quizlet?The preformed polymer crown resin used in this technique is a hybrid composite resin-monomer mixture that has a setting time of 90 seconds.
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How far below the margin of the preparation should the provisional crown?
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