Visit an Orthodontist for evaluation. Firstly, you need to determine why the space is there between your front 2 teeth. Is it due to a tooth size problem or an interposing frenum or due to bad bite where bottom front teeth constantly hit against the upper front teeth everytime you chew.
Orthodontist will evaluate the cause of the space and plan the treatment accordingly.
Doing crowns to close the gap is not a good option as you lose naturality of dentition and have disproportionate teeth sizes.
Next Steps
visit good orthodontist
Health Tips
don't do short term treatments like crowns or fillings when orthodontics can establish good teeth position and proportions....