Dr. Nelly Silva lightens teeth up to eight shades in about an hour with the Zoom system, at our Collegeville office a short drive from Royersford.

Each case is a patient Dr. Silva treated, photographed before and after professional whitening. Where a shade tab sits beside the teeth, compare it with the enamel to see how far the color moved.






Zoom is an in-office whitening system. Our team applies a hydrogen peroxide whitening gel to the front surfaces of your teeth, then positions the Zoom lamp to speed up the gel's work. The gel is refreshed in short rounds, and most visits wrap up in about an hour.
Because it happens in our chair, a dentist checks your teeth and gums first, protects your gums and lips before any gel goes on, and tracks the shade as it changes. Store-bought strips use a milder gel with nobody watching, which is why they take weeks to do what Zoom does in one sitting.
Many patients book Zoom ahead of a wedding, a job interview or a graduation. Others simply want to undo years of coffee and tea. Either way, you leave the same day with a lighter smile.
Zoom works on natural enamel. A short exam tells us whether it is the right first step for you or whether another plan will serve you better.
From the first look at your teeth to the shade you leave with, here is how a Zoom appointment runs in our office.
We check for cavities, worn fillings and gum inflammation, then record your starting shade with a shade guide so you can see the change.
A cheek retractor keeps your lips back, and a protective barrier covers your gums so the gel only touches enamel.
Whitening gel goes on, the Zoom lamp is positioned, and the gel is renewed in short rounds. The whole visit takes about an hour.
We hold the shade guide up again, go over what to eat and drink for the first day or two, and talk about take-home trays for upkeep.
We offer more than one way to whiten because stains differ. This is how our options line up against each other and against strips from the store.
Dr. Nelly Silva, DMDDr. Silva earned her DMD at Temple University's Kornberg School of Dentistry, where she now teaches as a Clinical Associate Professor. She is a graduate of the Las Vegas Institute for Advanced Dental Studies, a postgraduate center for aesthetic and neuromuscular dentistry, and a Fellow of the International College of Dentists.
She looks at the whole smile before recommending whitening, so a crown or veneer that will not lighten is part of the conversation from the start. She also asks patients to call her Nelly.
"They took great care of my teeth: the X-rays, cleaning, and whitening."
Liz, Google review
"I get a little anxious at the dentist and Dr. Nelly put me at ease."
Kristen K., Google review
Your fee depends on the plan: Zoom on its own, Zoom with custom take-home trays, or a KöR plan for stubborn stains. Dr. Silva confirms which one fits after looking at your teeth, and we go over the cost with you before we begin.
We offer payment plans, so whitening can fit your budget rather than wait for it.
New patients can ask about our Whitening for Life program at their first hygiene visit.
Advanced Dentistry of Collegeville is a single office, so your exam, your Zoom visit and your follow-up cleanings all happen in the same rooms with the same team. We are a short drive east of Royersford.
Answers to what patients ask us most before a whitening visit.
Zoom is done in our office under a dentist's supervision, after an exam. We cover your gums and lips before any gel goes on and watch your teeth for the whole visit. If we find decay or gum disease, we treat it first so whitening starts on healthy teeth.
For a clear change in a single visit, in-office whitening such as Zoom is the usual choice. For grey or banded stains, including tetracycline staining, our KöR system is often the better fit. Dr. Silva recommends one after looking at your teeth and your goals.
Yes. Zoom is a chairside treatment, and we provide it at our Collegeville office, a short drive from Royersford. Your visit starts with a quick check of your teeth and gums so we know Zoom is the right choice before we begin.
How long the result holds depends mostly on habits. Coffee, tea, red wine and tobacco bring stains back faster, while regular cleanings slow that down. Custom take-home trays made in our office let you touch up between visits.
No. Whitening gel lightens natural enamel, not porcelain or composite. If you have restorations on your front teeth, we plan around them and talk with you about whether any of them should be updated to match your new shade.
Take-home whitening gel is designed for a set wear time, and longer wear does not mean whiter teeth. Follow the wear time on the instructions we give you with your trays. If anything feels uncomfortable, take the trays out and let us know.
Book a whitening visit with Dr. Silva in Collegeville, a short drive from Royersford. We will check your teeth, confirm Zoom is the right fit and set up your appointment.
