When patients first hear about All-on-4 dental implants, the treatment can sound almost impossibly simple:

Remove failing teeth. Place four implants. Attach a new smile.

In reality, successful full-arch implant treatment is much more thoughtful than that.

The surgery itself may happen in one day, but the process begins well before that appointment and continues for months afterward. Diagnosis, bone evaluation, bite design, implant position, temporary teeth, healing, hygiene, and the final prosthesis all matter.

That is why I prefer to explain All-on-4 treatment as a sequence of carefully planned steps rather than a one-day procedure.

The All-on-4 concept uses four implants to support a fixed full-arch restoration. Classically, the two anterior implants are placed more vertically while the posterior implants may be angled to maximize available bone and reduce the need for more extensive grafting in selected patients.

For the right patient, this can be a remarkable way to replace an entire upper or lower arch of failing or missing teeth.

But the first step is not placing implants.

It is determining whether All-on-4 is actually the right treatment.

Step 1: Decide Whether the Natural Teeth Can or Should Be Saved

This is where I believe the conversation must begin.

All-on-4 treatment is designed for patients who are already missing an entire arch of teeth or whose remaining teeth have such a poor prognosis that full-arch replacement is appropriate.

It should not be viewed as an excuse to remove maintainable natural teeth simply because implant treatment is available.

The American Dental Association has specifically cautioned against inappropriate extraction of healthy teeth in connection with implant treatment.

So when I evaluate someone considering All-on-4, my first question is:

What is the prognosis of the teeth that are still present?

I look at:

• periodontal bone support
• mobility
• decay
• fractures
• failing crowns or bridges
• recurrent infections
• root-canal history
• remaining tooth structure
• bite
• overall restorative prognosis

Sometimes one or two teeth are failing but the rest of the mouth remains healthy.

That is not necessarily an All-on-4 case.

Other patients have spent years repairing one tooth after another and reach a point where the entire arch has become structurally or periodontally compromised.

That is a very different situation.

“Full-arch implant treatment should solve a full-arch problem. I never want the availability of implants to become the reason we stop valuing natural teeth that still have a reasonable future.”

— Marielaina Perrone, DDS

Step 2: Comprehensive Examination and Medical History

If full-arch implant treatment appears reasonable, the next step is understanding the patient—not just the teeth.

I review medical conditions, medications, smoking or nicotine use, previous surgeries, periodontal history, diabetes control when relevant, grinding or clenching, and anything else that might influence healing or long-term implant health.

We also discuss something equally important:

What does the patient actually want?

Some people desperately want teeth that remain fixed in place.

Others primarily want improved chewing.

Some are most concerned about appearance.

Some have been wearing removable dentures for years.

And some are emotionally exhausted after years of recurrent dental problems.

Understanding those priorities helps determine whether a fixed full-arch restoration is truly the best solution.

Step 3: 3D Imaging and Bone Evaluation

Full-arch implant treatment requires careful evaluation of the jawbone.

Three-dimensional CBCT imaging may be used to examine:

• available bone height
• bone width
• sinus position
• nerve location
• anatomical limitations
• existing infections
• implant positioning possibilities

The All-on-4 concept was developed partly to make efficient use of available bone. Angling the posterior implants may allow clinicians to avoid certain anatomical structures and, in selected cases, reduce the need for grafting.

But that does not mean:

“All-on-4 never requires bone grafting.”

Every jaw is different.

Some patients may require grafting, ridge modification, sinus-related procedures, or a different implant strategy entirely.

That is why I am cautious about advertisements suggesting that four implants automatically eliminate every anatomical limitation.

The imaging tells us what is actually possible.

Step 4: Decide Whether Four Implants Are Really the Right Number

The name “All-on-4” tends to make patients assume that four implants are always ideal.

Not necessarily.

Four implants can successfully support a fixed full-arch prosthesis in appropriately selected cases. Research comparing four versus six implants for full-arch fixed restorations has found high survival rates for both approaches, with recent evidence showing comparable short- and medium-term implant survival in selected patients.

But implant number should be determined by:

• bone quality
• jaw anatomy
• upper versus lower arch
• bite forces
• prosthetic design
• implant position
• restorative space
• long-term risk management

Some patients may benefit from additional implants.

That is why I prefer the broader term full-arch implant treatment when discussing the philosophy.

The number four is a treatment concept. Not a rule that overrides anatomy.

Step 5: Plan the Final Smile Before Surgery

This is one of the most important parts of the process.

I do not want to place implants and then ask:

“Now where should the teeth go?”

The teeth should help determine where the implants go.

Before surgery, we evaluate:

• tooth size
• tooth position
• smile line
• lip support
• facial proportions
• bite
• speech
• vertical dimension
• restorative space
• gum display

A full-arch restoration replaces much more than individual teeth.

In patients who have lost substantial bone and gum tissue, the prosthesis may also replace lost soft-tissue volume. This is one reason full-arch implant restorations often incorporate pink material that recreates missing gingival contours.

This can create excellent results, but patients should understand what they are receiving.

It is not simply twelve porcelain teeth attached to four screws.

It is an engineered prosthetic system replacing an entire dental arch.

Step 6: Digital Planning and Surgical Guide When Appropriate

Modern full-arch implant dentistry may use digital scans, CBCT data, virtual implant planning, and sometimes surgical guides.

Digital workflows can help coordinate implant position with the planned prosthesis and have become increasingly important in full-arch treatment. Recent literature has highlighted technologies such as digital scanning and photogrammetry for improving the accuracy of prosthetic design and implant-position transfer.

Technology is valuable.

But technology does not replace diagnosis.

A computer can help determine where an implant can go.

The dentist still needs to determine where it should go.

Step 7: The Surgical Appointment

This is the day patients usually think of as the “All-on-4 procedure.”

Depending on the case, several things may happen during the same appointment.

Remaining Hopeless Teeth Are Removed

If failing teeth remain in the arch, they may be extracted.

The sites are cleaned and evaluated.

Bone May Be Shaped

Certain cases require reshaping or leveling portions of the ridge to create adequate restorative space and a predictable foundation for the new prosthesis.

The Implants Are Placed

In the classic All-on-4 arrangement, four implants are positioned strategically in the jaw.

The two posterior implants may be angled to increase the anterior-posterior distribution of support and reduce cantilever length while avoiding certain anatomical structures.

Abutments Are Attached

Special restorative components may be connected to the implants so that the prosthesis can attach in the correct orientation.

At this point, the implants themselves are in the bone.

But the treatment is nowhere near finished.

Step 8: Can the New Teeth Be Attached the Same Day?

Sometimes.

This is where the phrase “Teeth in a Day” comes from.

In selected cases where the implants achieve sufficient initial stability and the clinical conditions are favorable, a fixed temporary prosthesis may be attached on the day of surgery.

The AAID describes same-day full-arch treatment as removal of diseased teeth, implant placement, and placement of a temporary set of teeth during the same visit, followed months later by the definitive prosthesis.

But there is an important word in that sentence:

Temporary.

Patients sometimes think they receive their permanent final teeth on surgery day.

Usually, they do not.

What they receive is a carefully designed provisional restoration intended to guide healing and function while the implants integrate with the bone.

Step 9: The Temporary Full-Arch Prosthesis

The provisional teeth have several jobs.

They allow the patient to:

• smile
• speak
• maintain facial appearance
• function carefully
• evaluate tooth size and appearance
• begin adapting to the new bite

But they also protect the implants during healing.

That is why I tell patients:

Temporary does not mean disposable.

It is an important part of the treatment.

The provisional prosthesis can also teach us things before the final restoration is fabricated.

How does the patient speak?

Does the tooth length look correct?

Is the bite comfortable?

Is the lip support appropriate?

Can the patient clean beneath the prosthesis?

Does the smile look natural?

That information can improve the definitive restoration.

 

Step 10: The Healing Period

Dental implants require biological healing.

The implant surface gradually integrates with surrounding bone through a process commonly referred to as osseointegration.

The AAID describes an All-on-4 healing period of roughly several months, with the definitive prosthesis commonly placed after approximately six months, although individual timelines vary.

During this period, patients usually need to modify their diet.

Even though the temporary teeth are fixed, that does not mean the implants are ready for unrestricted chewing immediately.

I often explain it this way:

The teeth may feel strong before the implants are biologically ready for full force.

Ignoring that distinction can jeopardize healing.

Step 11: Follow the Recommended Diet

The exact instructions vary by surgeon and case, but patients are commonly advised to stay with softer foods during early healing.

The point is not simply comfort.

The goal is to reduce excessive forces while the implants are integrating.

Foods may progress gradually from:

• liquids
• very soft foods
• softer chewable foods
• eventually more normal function

Patients should follow their individual postoperative instructions rather than a generic internet diet.

Step 12: Learn How to Clean Around Full-Arch Implants

Fixed does not mean maintenance-free.

One of the biggest mistakes patients can make is assuming:

“These aren’t real teeth, so I can’t get cavities. Therefore, cleaning doesn’t matter.”

The prosthetic teeth cannot develop conventional tooth decay.

But the gum and bone surrounding the implants absolutely can become inflamed or diseased.

Plaque accumulation around implants can contribute to peri-implant mucositis and peri-implantitis.

This is why long-term success requires daily hygiene and professional maintenance.

Depending on the restoration, patients may use:

• water flossers
• specialty floss
• interdental brushes
• implant-specific hygiene tools
• electric toothbrushes

The exact technique depends on the prosthesis.

A beautifully designed restoration must also be cleanable.

Step 13: Reevaluate the Bite

Full-arch implant prostheses behave differently from natural teeth.

Natural teeth have periodontal ligaments that provide a degree of shock absorption and sensory feedback.

Implants integrate directly with bone.

That makes bite design especially important.

I evaluate:

• even contacts
• excessive force
• grinding
• clenching
• cantilever loading
• prosthetic wear
• screw stability

A patient who clenches heavily may require additional protection.

A nightguard may sometimes be recommended after the final prosthesis is completed.

Step 14: Design the Final Restoration

Once healing is stable, we move from the temporary stage toward the definitive prosthesis.

This is where all the information gathered during healing becomes valuable.

We can refine:

• tooth shape
• tooth length
• tooth position
• shade
• bite
• gum contours
• speech
• smile symmetry

Different materials may be used depending on the case.

Modern full-arch restorations commonly include zirconia-based designs among other options, and the ADA recognizes zirconia as a high-strength restorative material used in indirect dental restorations.

Material choice is important.

But design matters just as much.

A strong material in a poorly designed prosthesis is still poor dentistry.

Step 15: Try-In and Verification

Before the definitive restoration is finalized, the dentist may evaluate the planned tooth position, bite, aesthetics, and fit.

This is the moment to ask:

Does the smile look natural?

Are the teeth too long?

Too short?

Too white?

Does the patient speak comfortably?

Is the bite balanced?

Can the restoration be cleaned?

Once the final prosthesis is fabricated, modifications become more difficult.

I prefer to resolve as many questions as possible beforehand.

Step 16: Delivery of the Final All-on-4 Prosthesis

When healing is complete and the definitive restoration is ready, the temporary prosthesis is removed.

The implants and surrounding tissues are evaluated.

The final bridge is then attached to the implants and the bite is carefully checked.

This is usually the moment patients have been anticipating.

But interestingly, I don’t consider this the end of treatment.

I consider it the beginning of ownership.

Step 17: Maintenance for Life

All-on-4 implants require ongoing professional care.

Regular appointments allow us to evaluate:

• gum health
• plaque accumulation
• implant stability
• bone levels
• prosthetic screws
• bite
• wear
• fractures
• hygiene access

This is particularly important because implant survival and implant success are not identical.

Research shows that full-arch implant treatments can demonstrate high implant survival, but biological and prosthetic complications can still occur over time.

That distinction matters.

An implant can remain in the mouth while the surrounding tissue, screws, prosthesis, or bite still require treatment.

Long-term maintenance is not optional.

How Long Does the Entire All-on-4 Process Take?

This is where marketing and reality sometimes diverge.

The surgical transformation can be very fast.

The biological process is not.

A simplified timeline may look something like this:

The AAID describes definitive teeth commonly being placed after about six months in typical All-on-4 protocols, although actual timing varies from patient to patient.

So yes:

You may receive teeth in a day.

But full treatment does not happen in a day.

What Can Go Wrong?

All-on-4 has an impressive clinical track record, but no implant procedure is risk-free.

Potential problems can include:

• failure of an implant to integrate
• infection
• peri-implant inflammation
• bone loss
• prosthetic fracture
• chipped restorative material
• loose screws
• bite problems
• hygiene difficulties
• speech adaptation
• dissatisfaction with tooth appearance or bulk

Research evaluating the All-on-4 concept has generally shown high implant survival, although systematic reviews have also emphasized limitations in the quality and duration of some available evidence.

That is exactly why I dislike portraying this as a “simple four-implant procedure.”

It is sophisticated reconstructive dentistry.

Who Might Be a Good Candidate?

All-on-4 may deserve consideration when someone has:

• an entirely missing arch
• severely failing teeth throughout an arch
• advanced periodontal destruction
• recurrent dental breakdown
• an unstable conventional denture
• sufficient anatomy for strategically placed implants
• realistic expectations
• adequate health for implant surgery
• willingness to maintain the implants long term

It may not be appropriate when the remaining natural teeth still have a good prognosis or when medical, anatomical, behavioral, or hygiene factors create excessive risk.

There are also alternatives.

Implant-supported removable overdentures can be less invasive and less expensive than fixed full-arch restorations and should remain part of the treatment discussion for appropriate patients.

That is another reason consultation matters.

The best full-arch treatment is not automatically the most elaborate one.

All-on-4 vs. Traditional Dentures

Patients often compare these two treatments.

A traditional complete denture rests on gum tissue and is removable.

An All-on-4 restoration is supported by implants and is generally fixed in place by the dentist.

The experience can be dramatically different.

Patients may value:

• improved stability
• less movement
• stronger chewing confidence
• elimination of denture adhesives
• reduced palatal coverage in many upper fixed designs
• a more secure feeling

But fixed implant treatment also involves surgery, higher cost, more complex hygiene, and lifelong maintenance.

There is no universally superior answer for every patient.

How Much Do All-on-4 Dental Implants Cost?

Full-arch implant treatment is a significant investment because it involves much more than four implants.

The total may include:

• consultation
• imaging
• extractions
• implants
• abutments
• bone modification or grafting
• anesthesia or sedation
• temporary prosthesis
• laboratory work
• final fixed prosthesis
• follow-up care

For that reason, I encourage patients to compare complete treatment plans, not advertisements showing one attractive starting price.

Ask exactly what is included.

Is that price for the implants only?

Does it include the temporary teeth?

Does it include the final bridge?

What material is the final restoration?

Are extractions included?

What happens if grafting is necessary?

Those questions matter far more than a headline number.

My Philosophy on All-on-4 Treatment

Full-arch implant dentistry can be one of the most transformative things we do.

I have seen what it means for someone who has spent years hiding their smile, chewing cautiously, dealing with loose teeth, or constantly repairing failing dentistry.

But I believe transformation should never replace judgment.

I don’t want to remove teeth because an implant advertisement makes replacement sound easier.

I don’t want to place four implants simply because the procedure is called All-on-4.

And I don’t want a patient’s first experience with their new smile to begin on surgery day.

The successful case begins much earlier.

It begins with diagnosis.

Then planning.

Then surgery.

Then healing.

Then refinement.

Then maintenance.

“All-on-4 isn’t really a one-day treatment. The surgery may happen in a day, but the quality of the final result comes from everything we plan before that day and everything we manage afterward.”

— Marielaina Perrone, DDS

That is the step-by-step reality.

And I believe patients deserve to understand it before they make such an important decision.

All-on-4 Dental Implants in Henderson, NV

If you are missing most or all of your teeth—or have been told that your remaining teeth have a poor long-term prognosis—a comprehensive full-arch implant evaluation can help determine what options make sense.

At my Henderson, Nevada dental practice, I look beyond the question of whether implants are technically possible.

I want to understand:

Can your natural teeth be preserved?

How much bone do you have?

What type of restoration will function best?

How should the smile look?

How will you clean it?

And what gives you the most predictable path forward?

For some patients, that answer may be All-on-4.

For others, it may be additional implants, an implant-supported overdenture, staged treatment, or another approach entirely.

The goal is not four implants.

The goal is a healthy, functional, maintainable smile that makes sense for you.

Frequently Asked Questions

Are All-on-4 teeth placed the same day?

In selected patients, a fixed temporary prosthesis can be attached on the day the implants are placed. The definitive restoration is generally made after healing and implant integration.

Are the same-day teeth permanent?

Usually not. The same-day prosthesis is commonly a provisional restoration used during the healing period.

Does All-on-4 always use exactly four implants?

Four implants define the classic All-on-4 concept, but not every full-arch case is best treated with exactly four implants. Anatomy, bone quality, bite, prosthetic design, and risk factors influence implant number.

Does All-on-4 eliminate bone grafting?

The technique may reduce the need for grafting in selected patients by making strategic use of existing bone, but grafting can still be necessary depending on anatomy.

Can I eat normally immediately after surgery?

Usually not. Patients generally follow a modified or soft diet while implants heal and integrate with the bone.

Are All-on-4 teeth removable?

The prosthesis is typically fixed to the implants and removed only by the dental team when necessary for professional maintenance or repair.

How long does treatment take?

Although surgery and temporary teeth may occur in one day, complete treatment commonly takes several months because implants require biological healing before the final prosthesis is delivered.

How long do All-on-4 implants last?

Full-arch implant studies generally report high implant survival, but prosthetic and biological complications can still occur. Long-term success depends on hygiene, maintenance, bite forces, health factors, implant position, and restorative design.

About Marielaina Perrone, DDS

Dr. Marielaina Perrone, DDS, is a trusted cosmetic and family dentist in Henderson, NV, known for helping patients achieve healthy, beautiful smiles through personalized, compassionate care. With more than 20 years of clinical experience, she combines advanced dental expertise with an artistic eye to deliver exceptional results in porcelain veneers, dental implants, smile makeovers, periodontal therapy, Botox, dermal fillers, and facial aesthetic treatments.

A graduate with honors from Stony Brook University School of Dental Medicine, Dr. Perrone remains committed to lifelong learning and regularly pursues advanced continuing education in cosmetic dentistry, implant dentistry, and facial aesthetics. Her comprehensive approach focuses on enhancing oral health, facial harmony, and overall confidence through customized treatment plans tailored to each patient’s unique goals.

Dr. Perrone is passionate about patient education, preventive care, and building lasting relationships founded on trust, communication, and comfort. She believes every patient deserves individualized attention and treatment that supports both long-term health and a confident smile.

Proudly serving Henderson, Green Valley, Las Vegas, Summerlin, and surrounding communities, Dr. Perrone is dedicated to providing modern, patient-centered dentistry in a welcoming environment. Outside the office, she enjoys cooking, staying active, spending time with family, and participating in community activities throughout the Las Vegas Valley.

 

Reviewed for Clinical Accuracy

Every article published on drperrone.com is personally written or clinically reviewed by Marielaina Perrone, DDS to ensure it reflects current evidence-based dentistry, modern treatment recommendations, and her philosophy that beautiful smiles are created through personalized care, facial harmony, and long-term oral health.

Last Reviewed: August 2026