Teeth (top and bottom) only on the right side

Tanya

So I posted earlier this month my son got his first tooth (bottom right) he became a sour path kid once again so I looked now he's getting his top right lol I just find it so weird that his top

tooth is coming in before his other Little bottom tooth has this happen to any one else's baby .. my first son got both of his bottom before the top started coming in ..lol