Teeth Whitening

Philadelphia, Main Line, and Ardmore, Pennsylvania Cosmetic Dentistry

In-office & take-home teeth whitening

At the practice of Lindsey Marshall, DMD, our goal is to provide all of our patients with the beautiful smiles they deserve. Because one of the most noticeable attributes of an attractive smile is bright, white teeth, we are pleased to offer both in-office and take-home tooth whitening options.

The type of treatment best for your smile will be dependent on the cause and extent of your tooth discoloration. During your initial consultation, Dr. Marshall can assess your smile and determine which Philadelphia tooth whitening solution is best for you.

Teeth whitening is easy and gives you dramatic results. Cosmetic dentist Dr. Lindsey Marshall provides her Philadelphia patients with the safest and most effective treatments rather than just the newest treatments.

Factors in Your Tooth Color

The shade of your tooth enamel may be the result of:

  • Eating habits – strongly pigmented foods such as blackberries or blueberries will stain the teeth;
  • Drinking habits – strongly pigmented drinks such as colas, black tea, coffee, or red wine also stain the teeth;
  • Smoking habits – nicotine causes yellow staining;
  • Drugs and chemicals – some will discolor the teeth; if tetracycline is given during childhood, it will embed stains as the teeth develop. This type of staining is deep and harder to remove.
  • Genetic factors – we each have an inborn tooth enamel shade

Daily brushing and flossing will remove superficial stains and regular professional cleaning will remove more; but if nothing is done beyond that, our teeth gradually yellow and darken as we age.

Causes of Tooth Discoloration

Teeth whitening Ardmore PA | Lindsey Marshall DMD There are a number of reasons your teeth can darken. Some of the most common causes of tooth discoloration are:

  • Age
  • Genetics
  • Coffee, soda, and tea
  • Tobacco use
  • Poor dental hygiene

These issues will not typically respond to at-home solutions such as whitening toothpastes, and over-the-counter whitening kits may also prove ineffective at completely addressing these types of discoloration. Dr. Marshall offers theZoom! teeth whitening system for these issues to lighten the shade of your teeth by as much as 10 shades in just one hour.

Other causes of tooth discoloration may include:

  • Trauma to the tooth
  • Gum disease or tooth infection
  • Certain medications
  • Fluorosis

This type of darkening or discoloration does not respond to topical tooth whitening solutions. When the cause of your tooth discoloration is one of these factors, Dr. Marshall may recommend options such as tooth whitening with porcelain veneers or dental crowns to cover the tooth and improve its appearance.

Every smile demands individual attention. Dr. Marshall will work closely with you to determine the cause of your tooth discoloration and provide you with the most effective treatment to restore your smile to its most beautiful appearance.

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Porcelain Veneers and Zoom Whitening
Click here to see more before and after photos!

Fast In-Office Teeth Whitening

Dr. Marshall uses the Zoom! Teeth Whitening system, marketed by Discus Dental. It is a popular system with cosmetic dentists because it is effective and patients are very happy with the results. In a little over an hour, you can have your teeth brightened by about nine shades and go straight back to work or other daily activities.

The Zoom! system includes a take-home kit for later touch-ups. Some people use it immediately, confident that their teeth can become even whiter than our in-office procedures made them. The choice is yours, and before you leave we will show you how best to use the kit, including how much whitening gel to place in the customized trays.

Take-Home Teeth Whitening Kits

Dr. Marshall will have two trays made for you, designed to fit your upper and lower arches exactly. A snug fit is essential to prevent whitening gel from leaking out and to prevent saliva from diluting it.

The kit contains a shade strip where you can mark your Before and After colors. There are several syringes of whitening gel and a little user manual as well as your custom trays.

If you are considering any dental restorations, such as replacing your old metal fillings with tooth-colored fillings, do teeth whitening first so that Dr. Marshall can match your restorations to the new bright tooth color.

KoR Whitening Deep Bleaching™ is a take-home tooth whitening system that can make your teeth many shades lighter and give you lasting results for years to come. The powerful bleaching gel can provide hours of concentrated treatment while reducing the teeth sensitivity associated with other whitening systems.

Maintaining Your Tooth Whitening Results

After you undergo teeth whitening, it’s important to take steps to maintain your results for as long as possible. Your bright new smile won’t last forever, especially if you return to the habits that caused your teeth to darken in the first place. However, with a little care and attention, you can enjoy your pearly white smile for years to come.

Teeth Darkening Habits to Avoid

One of the best ways you can protect the brightness of your smile is to stop smoking. When you smoke, you can instantly stain your teeth with nicotine, tar, and other chemical additives. There is no way to mask the effects that smoking has on your teeth, and most teeth whitening regimens are insufficient to fully brighten the smiles of smokers. Quitting smoking will do wonders both for your smile and the rest of your body.

In addition to not smoking, you can prevent premature stains by limiting your intake of certain foods and beverages. Sugary snacks and drinks, especially those that are dark in color, will inevitably stain your teeth. By minimizing the amount of stain-causing foods you consume, you can help preserve your smile’s whiteness.

One easy way to limit the staining effect of dark beverages is to drink them through a straw. This will reduce your front teeth’s exposure to the substance, keeping your smile line white and attractive.

The Importance of Dental Hygiene

Your dental hygiene routine will also play a significant role in how long your teeth whitening results last. Be sure to brush your teeth after every meal or snack. You should floss at least once a day, and may wish to rinse your mouth with a whitening mouthwash as well.

Be sure to visit Philadelphia cosmetic dentist Dr. Lindsey Marshall at least every six months for professional cleanings. These cleanings are capable of removing many surface stains and are an essential part of maintaining teeth whitening results. During these appointments, Dr. Marshall can discuss other ways you can keep your teeth looking their brightest.

To learn more about teeth whitening, please contact our Philadelphia cosmetic dentistry office today at . We will be happy to schedule a personal tooth whitening consultation for you with Dr. Marshall.

dentist ardmore pa | Lindsey Marshall DMD Frequently Asked Questions

Do tooth whitening agents alter the color of previous dental work?

No. Dental porcelain and bonding are not affected by tooth whitening agents, and neither are gold alloys or dental amalgam. If you are planning any dental work such as porcelain veneers or tooth-colored fillings, you should have the tooth whitening done first so that Dr. Marshall can match the restoration material to your new tooth color.


What choices are there for effective tooth whitening?

To get it done effectively, avoid over-the-counter kits (the trays will not fit your mouth) and whitening toothpaste (some may contain abrasive ingredients that will remove enamel and end up giving you sensitive teeth). The quickest and most dramatic results come from an in-office procedure with a professional tooth whitening system. Dr. Marshall uses the Zoom! Teeth Whitening System for its speed and effectiveness.

Use of an at-home whitening kit provided by a cosmetic dentist can also be effective if you use it as directed. It takes longer, but offers you more convenience. Dr. Marshall offers a take-home kit and can have your trays custom-made for a snug fit.


Is tooth whitening feasible if you have sensitive teeth?

Yes. Please inform us if your teeth are particularly sensitive. If you choose to have in-office tooth whitening, we can prescribe you treatments to desensitize your teeth before the procedure.


Could the whitening agent damage my teeth?

There are no recorded instances of irreversible or structural damage caused by any tooth whitening methods. You may experience temporary tooth sensitivity, but that is not damaging to the tooth — it just feels a bit uncomfortable.


How quickly are tooth whitening results visible?

You will see immediate results from your in-office tooth whitening. At-home whitening is slower to show results and depends on how often you do the treatment and how consistently.


Tooth whitening is a quick and dramatic way to brighten and improve your smile. If you live in the Philadelphia, Ardmore, or Main Line, Pennsylvania area and are considering tooth whitening treatments, please contact our cosmetic dentist for a personal consultation.

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