I intend to install Kile and a few other kde apps which are needed for latex related tasks. but i have…

I intend to install Kile and a few other kde apps which are needed for latex related tasks. but i have read that this will affect on my gtk theme and my elementaryos will become ugly.
so kindly tell me should i procede and if so then what should i keep in mind?
e.g.
sudo apt-get install –no-install-recommends kile kate kwrite kdiff

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