A Full Smile in One Day

What Are All-on-4 Dental Implants?

All-on-4 dental implants are a full-arch restoration technique that uses just four strategically placed titanium implants to support an entire row of fixed replacement teeth. Originally developed by Portuguese implantologist Dr. Paulo Malo in the late 1990s, the protocol was designed to maximize results with minimal implants — making permanent teeth accessible to patients who might otherwise require extensive bone grafting or settle for removable dentures.

What makes the All-on-4 concept unique is the angulation of the posterior implants. The two front implants are placed vertically in the anterior jawbone, where bone density is naturally highest. The two rear implants are tilted at approximately 30 to 45 degrees, which accomplishes two things: it increases contact with available bone and avoids anatomical structures like the sinus cavities in the upper jaw and the inferior alveolar nerve in the lower jaw. This angled placement often eliminates the need for bone grafting procedures entirely, even in patients with moderate to significant bone loss.

The result is a fixed prosthetic arch — sometimes called permanent dentures or fixed dentures — that is screwed directly onto the implants. Unlike traditional removable dentures, All-on-4 teeth do not shift, require no adhesives, and restore nearly full bite strength.

The All-on-4 Procedure Step by Step

The All-on-4 procedure follows a carefully planned sequence from initial consultation through final prosthetic delivery. Here is what to expect at each stage:

Pre-operative planning: Your treatment begins with a comprehensive examination including a 3D cone beam computed tomography (CBCT) scan. This advanced imaging gives your surgeon a detailed three-dimensional view of your jawbone density, nerve locations, and sinus positions. Using this data, the implant placement is digitally planned with precision before any surgery takes place.

Surgery day: On the day of the procedure, any remaining failing or damaged teeth are extracted. The four implants are then placed according to the pre-surgical plan — two vertical implants in the front of the arch and two angled implants toward the back. In most cases, a set of provisional (temporary) teeth is attached to the implants that same day, which is why All-on-4 is often called a "teeth in a day" procedure. Multiple sedation options are available, including oral sedation and IV sedation, to keep you comfortable throughout.

Healing phase: Over the next three to six months, the titanium implants undergo osseointegration — the biological process by which bone grows directly around and bonds with the implant surface. During this period, you wear your provisional teeth and can eat, speak, and smile normally with some dietary modifications during the first few weeks.

Final prosthetic placement: Once osseointegration is confirmed through imaging, impressions are taken to fabricate your final prosthetic arch. This permanent restoration is typically crafted from high-strength zirconia or acrylic with a titanium framework and is custom-designed to match your facial proportions, skin tone, and desired smile aesthetics.

All-on-4 Cost on Long Island

All-on-4 dental implants cost varies based on several factors including the materials used, whether extractions are needed, and the complexity of your case. On Long Island, patients can generally expect the following ranges:

• Single arch (upper or lower): $20,000 to $30,000+
• Both arches (full mouth reconstruction): $40,000 to $60,000+

This typically includes the consultation, 3D imaging, extractions, all four implants, the provisional prosthetic, all follow-up visits during healing, and the final permanent prosthetic. Ask about what is and is not included when comparing quotes between providers — some offices advertise lower prices that exclude components like the final restoration or sedation.

While the upfront cost may seem significant, consider the lifetime economics: traditional dentures need replacement every five to seven years and require ongoing costs for adhesives, relining, and adjustments. Over 20 years, the total cost of dentures can approach or exceed the one-time investment in All-on-4 implants, which are designed to last decades with proper care.

At Meadowbrook Dental, we offer flexible financing to make affordable All-on-4 implants a reality. Payment plans are available through CareCredit, Cherry, and Proceed Finance, including $0 down options with monthly payments. We also work with your dental insurance to maximize any available implant benefits. Contact our team for a personalized cost estimate.

* Prices are estimates based on typical cases in the Long Island / Nassau County area as of 2026. Actual cost depends on individual treatment needs. A detailed quote is provided after your consultation and imaging.

All-on-4 vs. Traditional Dentures: A Detailed Comparison

Choosing between All-on-4 implants and traditional dentures is one of the most consequential decisions a patient with missing teeth will make. Here is how they compare across the factors that matter most:

• Bite strength and function: All-on-4 implants restore approximately 70 to 90 percent of natural bite force, allowing you to eat steak, raw vegetables, and crunchy foods without restriction. Dentures restore only about 20 to 25 percent of bite force, and many foods become off-limits.
• Bone preservation: Dental implants stimulate the jawbone through the natural forces of chewing, preventing the bone resorption that follows tooth loss. Dentures sit on the gum tissue and actually accelerate bone loss, leading to the sunken facial appearance common in long-term denture wearers.
• Maintenance: All-on-4 teeth are brushed and flossed much like natural teeth, with professional cleanings twice a year. Dentures must be removed nightly, soaked in cleaning solution, and periodically relined as the jawbone changes shape.
• Confidence and lifestyle: Fixed implant teeth never slip, click, or fall out during conversation or meals. Denture wearers frequently report anxiety about their teeth moving in social situations.
• Longevity: All-on-4 implants are designed to last 20 years or more — many last a lifetime with proper maintenance. The prosthetic arch may need replacement after 15 to 20 years. Dentures typically need full replacement every five to seven years.
• Total cost over 20 years: When you factor in denture replacements ($2,000 to $4,000 each time), adhesives, relining, and adjustments, the 20-year cost of dentures can range from $15,000 to $30,000 or more — approaching the one-time cost of dental implants.

Recovery After All-on-4 Surgery

Recovery from All-on-4 surgery is more manageable than many patients expect, especially at our Mineola and Plainview offices where sedation dentistry and detailed post-operative planning are standard. Here is a general recovery timeline:

First 24 to 48 hours: Some swelling, bruising, and mild to moderate discomfort is normal. Ice packs, prescribed pain medication, and rest are recommended. Most patients describe the discomfort as less intense than they anticipated.

First week: A soft-food diet is essential — think smoothies, scrambled eggs, yogurt, mashed potatoes, and soups. Swelling typically peaks around day two or three and then gradually subsides. Avoid hot foods, straws, and strenuous physical activity.

Weeks two through six: Most patients return to work within a few days to a week after surgery. You can gradually reintroduce firmer foods as comfort allows, though very hard or crunchy foods should still be avoided. Your provisional teeth are fully functional during this period.

Three to six months: Osseointegration continues beneath the surface. Follow-up appointments monitor healing progress. Once your surgeon confirms the implants have fully integrated, impressions are taken for your permanent prosthetic.

Final prosthetic placement: Your permanent, custom-fabricated teeth are secured to the implants. At this point, all dietary restrictions are lifted and you can enjoy full bite strength. Learn more about comprehensive treatment options on our full mouth reconstruction page.

Who Is a Candidate for All-on-4?

The All-on-4 procedure was specifically designed to serve a broad range of patients, including many who have been told they are not candidates for traditional implants. You may be a good candidate if you:

• Are missing all or most of the teeth in one or both arches
• Have teeth that are failing due to decay, fractures, or gum disease
• Currently wear full dentures and want a permanent, fixed alternative
• Have been told you lack sufficient bone for conventional implants — the angled posterior implants in the All-on-4 protocol often eliminate the need for bone grafting
• Are in generally good overall health without uncontrolled systemic conditions

Age is rarely a limiting factor. Patients from their 40s through their 80s and beyond have successfully received All-on-4 implants. Certain health conditions — such as uncontrolled diabetes, active cancer treatment, or heavy smoking — may require additional evaluation or preparatory steps, but they do not automatically disqualify you.

The best way to determine your candidacy is a consultation that includes 3D CBCT imaging. This gives your implant team a complete picture of your bone volume, density, and anatomy so they can plan treatment with precision. Patients across Nassau County trust Meadowbrook Dental for All-on-4 implants because of our 3D-guided surgical approach, in-house lab, and over a decade of implant experience. Schedule your free consultation at our Mineola or Plainview office to find out if All-on-4 is right for you.