WITHDRAWN: Tongue scraping for treating halitosis.

Cochrane Oral Health withdrew this review as of Issue 5, 2016.
 This review is being updated and replaced following the publication of a new expanded protocol on the effects of different interventions for the management of halitosis (Pedrazzi V, do Nascimento C, Mardegan Issa JP, Fedorowicz Z. Interventions for managing halitosis (Protocol). Cochrane Database of Systematic Reviews 2016, Issue 5. Art. No.: CD012213. DOI: 10.1002/14651858.CD012213.). It will remain withdrawn when the new review is published. The editorial group responsible for this previously published document have withdrawn it from publication.