Question
Dear Rabbi. I have heard that clear glass plates can be used for both meat and dairy. However, can white stained plates also be used for both meat and dairy? For example these: https://www.amazon.com/gp/product/B00R790CLY/ref=ewc_pr_img_1?smid=ATVPDKIKX0DER&th=1

Question
Dear Rabbi, I was wondering if it is permissible for me to brush my teeth on Tisha B’Av. I keep getting conflicting answers when I look it up, so I’m a bit confused. It’s pretty uncomfortable when I don’t brush my teeth, but I understand that’s the point of a fast, I just can never remember what’s permissible on what fast day. thank you so much.

Question
Are wine barrel aged coffee beans from non Jews kosher? I can see two heterim for purchasing this, although I’d like to ask to confirm intellectually, nishtaneh, the non kosher wine absorbed into the coffee bean changes when the coffee is brewed, and zeh v’zeh gorem, the coffee bean and wine absorption are both contributing to the final product