Next time before brushing, floss your teeth properly to ward of calculus and plaque within the gingiva. Then using a soft bristles tooth brush, move it gently over the teeth in to and fro motion and at last do mouthwash gargles. And yes dont forget to scrap your tongue as there might be debris collected in the troufs and grooves of tongue which might cause bad breath..Also you can try certain home remedies for bad breath...It can be found in the link....http://www.identalhub.com/articlecategory-bad-breath-6.aspx