Whitening strips revolutionized the industry 10 years ago, as researchers figured out how to impregnate hydrogen peroxide on a polyethylene strip that the user places directly on the teeth. This product has existed in several iterations over the years. The various types of strips have differed in terms of the level of hydrogen peroxide in the gel to modifications in the shape and thicknesses of the strip. The efficacy is excellent for an OTC product, but you must be cautious not to burn your fingers or rest the strip on the gums, as this will cause irritation over time. If you are patient and compliant, you’ll see results in a few weeks. This method is best if you have two weeks to whiten.
You can also try a few home remedies to whiten your teeth, though not all dentists recommend them. Brushing the teeth with baking soda can produce slightly lighter shades. You can also brush with no greater than 10% strength hydrogen peroxide. For drug store methods, gel kits are thought most effective, and brush on teeth whitener the least. However, with minimal tooth yellowing, over the counter remedies are less expensive than dental whitening, and may provide you with the lighter shade you desire.

Baking soda or sodium bicarbonate is the most common natural teeth whitener. It is an alkaline substance that’s why it helps balance the oral ph level, which in turn promotes healthy teeth and gums. However, there are also disadvantages to using baking soda as teeth whitener. We should be aware of that if we do it repeatedly, it can weaken our teeth’s enamel over time.
6. Oil Pulling: Oil pulling is an Ayurvedic technique which has been used to benefit oral health, prevent and treat cavities, reduce plaque, improve gums and even whiten teeth. Oil pulling is when you swish a spoonful of quality oil in your mouth for up to 15 minutes. Then rinse your mouth. Sesame oil or coconut oil can be used, just to name a few.
I have used all of these methods to naturally whiten teeth at one time or another and have found that since most of these are included in my diet or what I use for oral hygiene,  my teeth have remained pretty white and I haven’t had to spend extra trying to whiten them. These ways to naturally whiten teeth can be used daily or weekly to keep your teeth nice and white.
NOTE: My experience is that most doctors, dentists, chiropractors, and even lawyers are good, caring people who want to help others. However, many wonderful, effective, safe advances in all these fields never reach the field doctors at all due to politics at the top. These advances seldom are taught in colleges, or at seminars, or published in their journals. Then politically appointed “disciplinary boards” intimidate and harass anyone who does not follow the often obsolete and generally expensive status quo.
You can also try a few home remedies to whiten your teeth, though not all dentists recommend them. Brushing the teeth with baking soda can produce slightly lighter shades. You can also brush with no greater than 10% strength hydrogen peroxide. For drug store methods, gel kits are thought most effective, and brush on teeth whitener the least. However, with minimal tooth yellowing, over the counter remedies are less expensive than dental whitening, and may provide you with the lighter shade you desire.

Take calcium supplements. Calcium is essential to forming healthy teeth and bones. The two most popular forms of calcium supplements are calcium citrate and calcium carbonate. Taking vitamin D and magnesium supplements with calcium can help your body absorb and use the calcium more efficiently. Calcium supplements should be taken in very small doses, no more than 500 mg at any given time, in divided doses with six to eight cups of water to avoid constipation.
I think that using baking soda is a time honored classic. I have heard all growing up that it would be a good alternative to toothpaste and could help keep them whiter. So, I do brush with it every now and then, I just hate the taste. I will have to try some of your other suggestions though. The most intriguing being the use of clay powder. Thanks.
Vicky / Lisa. I am coming in a little late here but you should not experience any staining on veneers assuming they are porcelain. This is a glass like material and does not have the porous finish of tooth enamel (which also does not stain). I totally understand your reluctance though. Charcoal (activated only) can still absorb any form of discolouration and other bio-film from veneers.

Whilst these remedies might be “natural” and might show results for “whiter” teeth, they are not healthy for the oral cavity. Although products such as baking soda have been used as home care adjuncts for decades, it can be destructive to both the teeth and gums. Baking soda is much too abrasive to use on the teeth. You might not see negative results after one use, but long-term use can cause abrasion and recession. Abrasion and recession can then lead to tooth sensitivity, cavities, and most importantly periodontal disease (which would render treatment more costly than professional whitening). Also-when whitening, you are not changing the color of the enamel. Whitening targets the dentin of the tooth not the enamel. However, I agree that it is important to use products to strengthen enamel. Products containing fluoride are great for strengthening the enamel.
There's another reason to watch what you eat. Some common foods can discolor teeth. Here's an easy way to tell if a food might be at fault: Anything that can stain a white cotton T-shirt can stain teeth, say dentists. Coffee stains teeth, for example. Other top offenders are beverages such as tea, dark sodas, and fruit juices. These teeth stains develop slowly and become more noticeable as we age.
The antibiotic tetracycline causes gray teeth in children whose teeth are still developing. Antibacterial mouthwashes that contain chlorhexidine or cetylpyridinium chloride can also stain teeth. Some antihistamines, antipsychotic drugs, and blood pressure medications cause tooth stains, as can iron and excess fluoride. If bleaching doesn't help, ask your dentist about dental bonding, in which a tooth-colored material is applied to teeth.
Floss your teeth regularly. Flossing at least once a day helps remove plaque from the areas between your teeth where your toothbrush can’t reach as plaque that is not removed eventually hardens into tartar and can lead to gum disease.[9] Keep in mind that flossing may cause some discomfort at first but should not be painful either. If you floss too hard, you can damage the tissue between your teeth. With daily flossing and brushing, the discomfort should ease within a week or two. It may take a while to get used to flossing but it should slowly turn into a habit. If your pain persists, talk to your dentist. The proper steps to flossing your teeth are:
What’s the secret of ACV? It contains compounds, including acetic acid, potassium, magnesium, probiotics and enzymes, which kill germs (dangerous “bad” bacteria) and at the same time foster the growth of beneficial “good” probiotic bacteria. Since it’s naturally acidic, it helps break down plaque or other substances stuck to the teeth. The pH of apple cider vinegar can remove stains from your teeth, which helps naturally whiten your teeth.
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