Translation:This is my toothbrush.
When do you use mein and when meine?
"Mein" is for masculine and neuter nouns, "meine" is for feminine and plural nouns (in the nominative case). These links might help you: http://goo.gl/LJS6sz , http://goo.gl/dMXmjN
Would "That is my toothbrush" also be acceptable?
this is MY toothbrush! you cannot obtain it! :huggles toothbrush:
thanks for the prompt reply