RIO

123456
Across
  1. 2. Avoid problems in root canal by fixing the crack in the tooth
  2. 5. We share what we receive
  3. 6. 3*3 is 9 and this is our home
Down
  1. 1. You are plan B if plan A fails
  2. 3. It cannot be stored or shared
  3. 4. Its a two way ticket