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The "white line" which shows up occasionally when finishing a composite restoration between the restoration and tooth structure is caused by what?
The "white line" which shows up occasionally when finishing a composite restoration between the restoration and tooth structure is caused by what?A . The inherent optical properties of composite which naturally create a halo effect around the marginB . Overheating the composite during the finishing processC . Polymerization shrinkage, which...
Which of the following is also true?
The long axis of a tooth inclines distally in the inciso-apical direction. Which of the following is also true?A . Inclination increases from incisors to cuspidsB . Inclination decreases from incisors to cuspidsC . Inclination is constant from incisors to cuspidsD . Inclination decreases from centrals to laterals and increases...
The mucogingival esthetic problem which currently has the worst prognosis for successful correction is what?
The mucogingival esthetic problem which currently has the worst prognosis for successful correction is what?A . Buccal root recessionB . Thin attached gingival tissueC . Loss of interdental papillaD . Localized alveolar ridge defectView AnswerAnswer: A
Following tray bleaching, the recommended delay before initiating composite bonding is how long?
Following tray bleaching, the recommended delay before initiating composite bonding is how long?A . Three daysB . One weekC . One monthD . Six weeksView AnswerAnswer: B
Centric relation is:
Centric relation is:A . only about the teethB . only about the jointC . about the teeth and the jointD . about the teeth, the joint, and the slide into maximal intercuspationView AnswerAnswer: D
When preparing for posterior porcelain to zirconia crown, the recommended occlusal reduction should be:
When preparing for posterior porcelain to zirconia crown, the recommended occlusal reduction should be:A . 1.0 mm.B . 1.5 mm.C . 2.0 mm.D . 2.5 mm.View AnswerAnswer: B
What does platform switching describe?
What does platform switching describe?A . A reduced offset of the diameter of the abutment to the diameter of the implantB . An increased offset of the diameter of the abutment to the diameter of the implantC . The contours of the final crown over the implantD . The bone...
On average, the distance from the base of the gingival sulcus to the alveolar bone is:
On average, the distance from the base of the gingival sulcus to the alveolar bone is:A . 2.0 mm.B . 3.0 mm.C . 4.0 mm.D . 5.0 mm.View AnswerAnswer: A
Which of the following is a disadvantage of subepithelial connective tissue (CT) grafting?
Which of the following is a disadvantage of subepithelial connective tissue (CT) grafting?A . Tissue and color blendB . Primary closure of the donor siteC . Two surgical sitesD . Change in amount of keratinized tissueView AnswerAnswer: C
What minimum distance is needed between an implant and the root of a tooth in order to keep the tooth's bony attachment intact and prevent horizontal bone loss?
What minimum distance is needed between an implant and the root of a tooth in order to keep the tooth's bony attachment intact and prevent horizontal bone loss?A . mmB . mmC . mmD . mmView AnswerAnswer: B
