If your broken tooth is symptomless with no pain or sensitivity you can get a tooth coloured filling done to build up the broken fragment. If you have pain or sensitivity, you might need to check for any underlying infection or bone loss which can be treated with a root canal treatment. Post the rct you can get a crown to restore your broken tooth.

Kindly take one x ray n see if there is any non vitality in tooth and amount of Bone coverage. Check for tooth color also amount if crown left. If there is non vitality go for RCT n cap if not only Cap is enough.