There happen to be many different ways to fight bad breath and keep things fresh for long term, although finding the culprit the actual problem is the most important remedy to bad breath.
Brushing and flossing the teeth on a regular basis is extremely important, especially after meals. Just because we can't see the food particles that are resting under the gums or in the crevices of the teeth doesn't mean that they aren't there. By brushing and flossing after each meal, this will certainly help to reduce amount of left behind food.
Thoroughly brush your tongue on a regular basis. A lot of bacteria rests on the tongue, and most generally people only think of brushing their teeth and over look their tongue which has actually been coated by most of the food and drinks throughout the day.
Drink plenty of water, as this helps to rinse away leftover food particles and also makes it much harder for things such as sugar to sit and build up on the tongue and en amble of the teeth, which in turn cause cavities, gum disease, and bad breath.
Try to avoid breath mints and minty gums used to mask the odor caused from bad breath. The items simply attempt to hide the actual problem and only last for short periods of time anyway. These items are also made mostly of sugars that over time will build up in the mouth, resulting in unwanted bacteria and additional bad breath.
Watch certain foods that you're eating, as some have a lingering affect in the mouth. Foods such as onions, garlic, dairy, and chocolates tend to stay in the mouth feeding off of the bacteria that's already living in the mouth and around the gums. These types of food generally only make of the problem of bad breath worse in the long run.
Be sure to rinse the mouth after eating and drinking. Try to make this technique a regular habit, as it helps to cleanse the mouth, tongue and teeth, eliminating bacteria and food buildup.
Avoid cigarettes at all costs, as these leave a horrible lingering taste in the mouth creating a different type of bad breath. Cigarettes also leave nicotine in the mouth, which will inevitably yellow the teeth, coat the tongue and cause bad breath.
It's very important to schedule regular dentists visits. By having regular cleanings and checkups, it helps the mouth and gums to stay clean and fresh. Don't wait until there's a dental problem causing pain before visiting the dentist, go on a regular scheduled basis.
Try to drink plenty of green tea which works just like an antibacterial rinse in the mouth. Also ingest plenty of cinnamon, which works as a natural freshening agent, eliminating bad breath. Parsley, mint, basil, tomatoes, and dill are all amazingly good foods to help reduce ongoing bad breath and to help reduce the amount of bacteria that's in the mouth. Also try to avoid eating a lot of tough meats, as they tend to get lodged in between the teeth and eventually left to rot causing bad breath.