Your teeth will ache/hurt. My teacher told me this sounds unnatural. I think my grammar is correct and the thought can be understood. Does it sound weird for native speakers?
1 Answer
Toothache is a rather specific type of pain. Quoting wikipedia as I don't have access to the cited source:
Toothache, also known as dental pain, is pain in the teeth and/or their supporting structures, caused by dental diseases or pain referred to the teeth by non-dental diseases.
TFD expands on this to include pain caused by damage.
For pain caused by disease I would use that toothache. But for other types of pain, it's best to avoid it, so "if you try to chew steel, your teeth will hurt", or better "... you will hurt your teeth".
Specifically for very cold food as in the comment, I would steer clear of toothache.
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1I related the toothache to eating a type of shaved ice treat. Maybe, cold food and sweet food usually cause toothache so it's better to use just 'toothache.' Thank you very much for your kind explanation.– kimihiroCommented Feb 19, 2018 at 13:15