Aside from getting respite from the pain, you will be working your body with little risk to you and child.
As soon as I start to experience tooth pain I prefer to use oral jell. https://Www.evernote.com/shard/s643/sh/9048ab13-d5a8-3cc1-cb82-eca8a3642c5c/yL6QS0YsavxciLMlPFVHzN9FyeudwAcFj6vOOGr3dD8TB3_xW2gAith9sg