What is conservative dentistry, and why does it matter for your teeth?

Every time a tooth is drilled, some healthy structure is lost for good. A filling can be redone, but the tooth around it never grows back.

The average US adult aged 20–64 already has about six filled teeth and two missing ones, according to the CDC. Conservative dentistry aims to keep those numbers as low as possible, for as long as possible.

What does conservative dentistry mean?

Conservative dentistry is an approach built on three parts.

• Education. You understand how tooth decay and gum disease develop, and what you can do at home to prevent them.
• Prevention. Problems are stopped, or caught early, before they need larger treatment.
• Minimally invasive treatment. When treatment is needed, it removes as little healthy tissue as possible and is designed to last.

The FDI World Dental Federation describes the same idea in six principles: prevention, early detection, risk assessment, remineralizing early lesions, minimally invasive treatment, and check-ups timed to each patient’s risk.

Why does prevention come first?

Because the two most common dental diseases are largely preventable.

• Tooth decay. Nearly 21% of US adults aged 20–64 have at least one tooth with untreated decay (CDC, 2024).
• Gum disease. About 42% of US adults aged 30 and older have periodontitis, and about 8% have a severe form (NIDCR, national survey data 2009–2014).

Simple daily habits make a measurable difference. A Cochrane review found that fluoride toothpaste reduces tooth decay compared with toothpaste without fluoride, with stronger effects at standard and higher concentrations.

These are the habits we discuss with every patient:

• Brush twice a day with fluoride toothpaste.
• Clean between your teeth every day.
• Keep sugary snacks and drinks to mealtimes rather than through the day.
• Avoid tobacco, which raises the risk of both gum disease and decay.
• See your dentist at an interval suited to your own risk.

How can a dentist treat problems conservatively?

When a problem does appear, there is usually more than one way to treat it. A conservative dentist starts with the least invasive option that can work and last.

• Early detection. Small problems found early need smaller treatment.
• Remineralizing early decay. An early lesion that hasn’t formed a cavity can often be stopped with fluoride and better habits, without drilling.
• Selective decay removal. In deep cavities, removing only the infected decay and protecting the nerve may lower the chance of needing a root canal, according to a review of randomized trials.
• Repair rather than replace. Replacing a whole filling removes more healthy tooth. When repair is appropriate, studies have found no clear difference in how often repairs and replacements fail.
• Save the tooth before replacing it. Retreatment, root-tip surgery and other modern methods can keep teeth once marked for extraction. Read our guide to saving a tooth.

At Shin Dental, the same principle runs through every treatment. Composite veneers are added without cutting natural tooth structure, gum contouring is done with a laser for quick healing, and extractions and implants are planned in 3D so as little tissue as possible is disturbed.

What does minimally invasive treatment mean for you?

Minimally invasive treatment changes how treatment feels, and how long its results last.

• A more comfortable visit. Smaller procedures are easier to sit through.
• Less pain and faster recovery. Disturbing less tissue is what most determines how you feel afterward.
• More of your own tooth. Healthy structure kept today is structure available for any treatment you may need later.
• Fewer, smaller treatments over time. Keeping problems small keeps their cost small, too.
• Trust. Patients who understand their treatment, and see that it lasts, come back with confidence.

“I had an emergency with broken tooth. Dr. Shin helped me take them out without any pain. He was very through and worked slowly and let me take breaks, because I felt nervous about taking them out. His assistant was also very caring. Thank you Dr. Shin.”

Why does dental treatment need to last?

A treatment that has to be redone costs you more tooth, more time and more money. Dr. Shin believes how well a treatment lasts matters just as much as the treatment itself.

Published research gives a sense of how long common treatments last when they are well planned and maintained.

Sources: Ng, Mann and Gulabivala (2011); Howe, Keys and Richards (2019); Beier and colleagues (2012); Lim and colleagues (2023). See our other patient guides for details.

How long your own treatment lasts depends on your dental condition, your habits and regular care. We assess these at your consultation and tell you what we expect.

What happens at a conservative-care visit?

A first visit at Shin Dental follows five steps.

1. We listen. Your concerns, your goals and your dental history come first.
2. A comprehensive exam. Dr. Shin checks every tooth, filling and crown, your gums and your bite, with X-rays and a 3D scan in our office when needed.
3. We explain what we see. You see your own images, learn how any problem developed, and what you can do at home.
4. Options, least invasive first. Each option comes with an itemized cost, reviewed with you before anything starts.
5. A follow-up plan. Check-ups are timed to your own risk, not a one-size schedule.

How does conservative care build trust between doctor and patient?

Trust grows when patients understand their own mouth and see their dentist recommend only what they need.

Dr. Shin aims to build relationships with patients that last well beyond a single appointment.

Dr. Peter Shin grew up watching his father practice dentistry. He runs his own practice the same way: unhurried appointments, clear explanations, and treatment planned around what will last.

• Training: DDS from the New York University College of Dentistry, an Advanced Education in General Dentistry (AEGD) residency at NYU, and live-surgery implant training.
• Clear costs: every recommended treatment comes with an itemized cost breakdown, reviewed with you in person before anything starts.
• No surprise bills: once treatment is complete, you will not owe anything beyond what was disclosed beforehand.
• Insurance: we are an out-of-network provider for PPO plans, file your claims for you, and can request a pre-determination of benefits before you commit.

“Dr. Shin explained everything clearly to me and was thorough. Very nice and honest! I recommend him.”

Does conservative dentistry cost less?

Usually, yes. Small problems are cheaper to treat than large ones, and a tooth that is kept doesn’t need replacing.

US averages: CareCredit, based on ASQ360° cost studies, 2023–2024.

Where is Shin Dental?

• Address: 30 Central Park South, Suite 11D, New York, NY 10019, between Fifth and Sixth Avenues in Midtown Manhattan.
• Subway: 5 Av/59 St (N, R, W) is a one- to two-minute walk. The F stops at 57 St and Sixth Avenue, about four minutes away.
• Bus: the M5 stops at Central Park South and Sixth Avenue.
• Hours: Monday to Friday, 9:00 AM – 7:00 PM. Saturday, 9:00 AM – 1:00 PM. Closed Sunday.
• Phone and text: (917) 773-1353.

Questions patients ask

This article is general information, not a diagnosis. Fees and how long treatment lasts depend on each patient’s dental condition, which Dr. Shin assesses at your consultation. US and New York figures are published averages and estimates, shown for comparison only. Individual results vary.