حَدَّثَنَا قُتَيْبَةُ، قَالَ حَدَّثَنَا اللَّيْثُ، عَنْ يَزِيدَ بْنِ أَبِي حَبِيبٍ، عَنْ أَبِي الْحُصَيْنِ الْحِمْيَرِيِّ، عَنْ أَبِي رَيْحَانَةَ، قَالَ بَلَغَنَا أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم نَهَى عَنِ الْوَشْرِ وَالْوَشْمِ ‏.‏

It was narrated that Abu Raihanah said: "We heard that the Messenger of Allah [SAW] forbade filing (the teeth) and tattoos." Translation Not Available

Book Ref: Sunan An Nisai Book 48 Hadith 5112
Web Ref:  Sunan An Nisai Vol 6 Book 48 Hadith 5115