Kylie Jenner can’t stop laughing at her mom, Kris. The 17-year-old reality star accompanied her mom to the dentist, and she documented the entire experience. If you watch Keeping Up with the Kardashians, you know that the family loves to mess with their mom, Kris. Whether it’s making prank phone calls to Kris, or tricking her into believing something that’s not true, they’ll do anything for a laugh at her expense. Now, Kylie just posted a video of her mom leaving the dentist that is really going to make fans laugh. First, Kylie posted a photo with the caption, “the dentist has never been so fun @drkevinsands.” Then, she posted the video with the caption, “lmfao post dentist. she can’t feel anything I’m dying ”