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Author Question: The etched enamel looks no different from nonetched enamel. a. True b. False Indicate whether the ... (Read 60 times)

gbarreiro

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on: Jun 25, 2018
The etched enamel looks no different from nonetched enamel.
 a. True
  b. False
 Indicate whether the statement is true or false

Question 2

There is now a newly released color-changing sealant; it has a photo-active color added to it.
 a. True
  b. False
 Indicate whether the statement is true or false


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Li Jun

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Reply #1 on: Jun 25, 2018
Answer to Question 1

False
RATIONALE: The etched enamel has a chalky appearance.

Answer to Question 2

True
RATIONALE: There is now a newly released color-changing sealant; it has a photo-active color added to it.


gbarreiro

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  • Posts: 566
Reply 2 on: Jun 25, 2018
:D TYSM

xiazhe

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Reply 3 on: Yesterday
Wow, this really help

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