The tooth would be pulled and you'll need a type of bridge if the tooth missing is near the front. I had one of my upper teeth (next to the eye tooth) taken out and now have a bridge there and you can't tell the difference. It's not cheap!
A layer of cells and a cavity .
The fluid-filled cavity in an embryo, in the early embryonic stage, is called a blastocoele, or blastocyst cavity; this is perhaps the cavity you're referring to.See the link below for more information on the human embryo.
It is explained as an early stage of evolution .
Rollcage Stage II happened in 2000.
Dancing Stage EuroMix happened in 1999.
Dancing Stage Fever happened in 2003.
Dancing Stage MegaMix happened in 2003.
Dancing Stage Fusion happened in 2004.
Dancing Stage Max happened in 2005.
Dancing Stage Unleashed happened in 2004.
Dancing Stage Universe happened in 2007.
This question is incomplete in the sense that it does not clarify what the development tasks or stage is being asked about. In order to list the development tasks that happen during this stage, the stage, and of what, would need to be known.