I’ve been so nervous

I’m scared shitless of the dentist as I child I had a bad experience I braved up and made an appointment and it’s today in a few hours I’m so nervous I didn’t sleep last night they frighten me I didn’t want my kids to have that experience so I take them every 6 months they’ve never had cavities and my oldest does need braces but that’s for an overbite...I’m doing this to be brave for my kids but I feel like I can pass out...I’m nervous, scared, anxious but mostly I’m embarrassed 😞 😭and ashamed I feel like shit so I’m posting anonymous and hope people don’t shame and instead I get support or hear that I’m not alone in being scared 😟 We’re also military so we have united Concordia so I hope they cover half or some if I need any extended work done