The phrase "amalgam is not" is correct and usable in written English.
It can be used when discussing the nature or characteristics of an amalgam, particularly in a context where you want to clarify what it is not.
Example: "In this context, amalgam is not a suitable material for dental work due to its potential health risks."
Alternatives: "amalgam does not represent" or "amalgam cannot be considered".
Interestingly, the cumulative measures using the number of teeth or surfaces ever restored with amalgam were not appreciably better than current numbers.
The recent Food and Drug Administration ruling that mercury used in dental amalgam fillings is not at a level high enough to cause harm in patients was a long-awaited next volley in what is an ongoing discussion about the safety of mercury.
Typically urine is a good measure of mercury from amalgams, as urine is not a primary excretion route for methyl mercury and urine measures reflect cumulative exposure over 2 to 4 months [ 60].
Given our failure to detect significant differences between the amalgam and composite groups in neuropsychological function, these results provide reassurance that the use of dental amalgam to repair caries is not producing substantial neuropsychological morbidity in the general population of children in the United States.
But more important, a successful plan is not an amalgam of compromises that gets everyone on the committee to vote yes.
Huck's voice is a complicated amalgam of idioms and perspectives and is not for the inexperienced contemporary reader.
But talent brand is not a passive amalgam, to be allowed to organically grow.
"While elemental mercury has been associated with adverse health effects at high exposures, the levels released by dental amalgam fillings are not high enough to cause harm in patients," the agency said in a statement.
Therefore, amalgam fillings were not included in the analyses.
We changed a few sentences of the reading comprehension section because amalgam fillings are not used in Belarus.
