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Full-Arch Dental Implants (All-on-4): How They Work, Healing Time, and Who Is a Good Candidate

Short answer: Full-arch dental implants replace every tooth in your upper or lower jaw with one set of teeth, fixed or snap-on, held by four to six implants. Treatment usually takes several months while the bone bonds with the implants. Good candidates have healthy gums and enough jawbone, or bone that can be rebuilt.

If you’re missing most of your teeth, or living with a denture that slips, clicks, and rubs, you’ve probably heard about full-arch dental implants. This guide explains how they work, how the well-known All-on-4 approach fits in, what healing really looks like, and who tends to be a good fit. At Green Apple Dental, every implant is planned on a 3D scan first, so you know what to expect before anything begins.

What Are Full-Arch Dental Implants?

Full-arch dental implants are a way to replace all of the teeth in your upper or lower jaw using a small number of implants, instead of one implant for every missing tooth. A “full arch” simply means the whole row of teeth in one jaw.

Implants are small titanium posts placed in the jawbone. Once they bond with the bone, they act like strong roots, and a full set of replacement teeth is attached to them. Cleveland Clinic describes full-arch implants as “usually four to six” implants supporting a full arch of teeth, either fixed or snap-on (Cleveland Clinic: dental implants).

A 3D-printed full arch of replacement teeth, the kind of tooth set used with full arch dental implants

There are two main types of full-arch restoration:

  • Fixed full-arch teeth: a bridge of teeth is attached to the implants and stays in your mouth. Only your dental team removes it, for cleaning and check-ups.
  • Implant-supported dentures: a denture clips or snaps onto the implants. It stays firmly in place when you eat and talk, but you take it out at night to clean it. At Green Apple Dental, the denture is made by our partner denturist.

Here is how the two options compare:

  Fixed full-arch teeth Implant-supported denture
How it stays in Fixed to the implants Clips or snaps onto the implants
Who takes it out Only your dental team, for cleaning and check-ups You, every night, to clean it
Daily cleaning Brush, then clean under it with a water flosser or small brushes Clean the denture, and brush around the implants
How it feels Closest to natural teeth Very stable, but still removable
Often suits People who want teeth that never come out People who want a removable option, or whose bone or budget favours it

What Is All-on-4, and How Is It Different?

All-on-4 is a well-known approach to fixed full-arch teeth that uses four implants per jaw. The All-on-4® treatment concept comes from the implant maker Nobel Biocare, which describes it as two straight implants at the front and two back implants tilted up to 45 degrees (Nobel Biocare: All-on-4 treatment concept).

  • Two implants are placed toward the front of the jaw.
  • Two implants are placed further back, usually at an angle. Angling them lets them use more of the available bone, which can help some patients avoid bone grafting.

All-on-4 isn’t right for everyone. Depending on your bone and your bite, some people do better with five or six implants, and others prefer a removable implant-supported denture. The right number of implants is the one that fits your jaw, not a number picked in advance.

How Do Full-Arch Dental Implants Work, Step by Step?

Full-arch treatment follows six main steps over several months, with quiet healing time in between. Here is what each step involves.

1. Consultation and 3D Planning

Everything starts with a careful exam and a low-dose 3D CT scan. The scan shows your bone and nerves in detail, so your dentist can see where implants can safely go.

At Green Apple Dental, our connected scanners line up your scans into one 3D plan that we review with you on a large screen. Your consultation includes the scan, your plan shown on screen, and a written estimate. Learn more about our 3D imaging.

2. A Custom Surgical Guide

Using your 3D plan, a surgical guide is designed to set the planned position, angle, and depth of each implant. At Green Apple Dental, these guides are 3D-printed in our own clinic.

In-house 3D printer used to make implant surgical guides at Green Apple Dental

3. Preparing the Mouth

If you still have teeth that can’t be saved, they’re removed. If your jawbone needs more support, a bone graft may be part of your plan, and we can rebuild bone in our own clinic.

Grafting adds a few months of healing, so your dentist will explain how it affects your timeline. Our article on bone grafts explains the procedure.

4. Placing the Implants

The implants are placed with the area fully frozen. If you feel anxious, oral sedation is available to help you relax, and our page on sedation for nervous patients explains how it works. We call you the day after your placement visit to check how you are feeling.

5. Temporary Teeth

In many fixed full-arch cases, a temporary set of teeth can be attached soon after the implants are placed, so you’re not left without teeth while you heal. Whether this is possible depends on how firmly the implants are anchored in your bone. Your dentist will tell you what to expect for your case.

6. Your Final Teeth

Once the implants have bonded with the bone, your final teeth are made and fitted. They are designed to match your bite and suit your face, with a shape and shade chosen with you.

How Long Does Full-Arch Implant Healing Take?

Most of the soreness settles within the first few days, but the bone needs about three to nine months to fuse with the implants, according to Cleveland Clinic. Your final teeth are fitted after that. Every case is different, but here’s a general picture:

  • First few days: swelling, soreness, and some bruising are common. A soft diet, rest, and your dentist’s aftercare instructions help.
  • First weeks: the gums heal around the implants. You’ll stick to softer foods, as directed, to protect them.
  • Next few months: the jawbone grows around the implants and locks them in place. This is called osseointegration.
  • Final teeth: once healing is complete, your final teeth are made and attached.

If you need extractions or bone grafting first, your overall timeline will be longer. You get a written care card, an after-hours number our team answers, and a timeline in your written plan that shows each stage before treatment begins.

Who Is a Good Candidate for Full-Arch Implants?

Good candidates are adults who are missing most of their teeth in a jaw, or whose remaining teeth are failing, and who have healthy gums and enough jawbone, or bone that can be rebuilt. You may be a good candidate if you:

  • Are missing most or all of your teeth in one or both jaws
  • Have many teeth that are failing or can’t be saved
  • Wear a loose denture and want something more stable
  • Have healthy gums, or are willing to treat gum disease first
  • Have enough jawbone, or bone that can be rebuilt with grafting
  • Are in good general health

Smiling older woman in a dental chair during a dental consultation

Things that may need extra planning: Cleveland Clinic lists smoking or vaping, unmanaged diabetes, severe jawbone loss, and untreated gum disease among the concerns that can affect implant healing. Teeth grinding can also put extra stress on implants. None of these automatically rules you out, but they’re important to discuss at your consultation.

What Changes After Full-Arch Implants?

For many people, the biggest changes are in eating, speaking, and comfort:

  • Eating: chewing becomes more comfortable, and many foods are back on the menu.
  • Speaking: no slipping or clicking when you talk.
  • Comfort: fixed teeth don’t cover the roof of your mouth the way an upper denture does.
  • Bone: implants help keep the jawbone healthy where they’re placed, which helps support your face over time.

Results vary from person to person, so ask to see before-and-after photos of cases similar to yours.

How Much Do Full-Arch Dental Implants Cost?

The cost of full-arch dental implants depends on your own plan, so you get a written, itemized estimate after your 3D scan and before anything begins. The main factors are:

  • How many implants you need
  • Whether you’re treating one jaw or both
  • Whether you need extractions or bone grafting
  • Whether you choose fixed teeth or an implant-supported denture
  • The materials used for your final teeth

At Green Apple Dental, our fees follow the BC Dental Association’s fee guide for general dentists. We bill insurance directly, costs can follow the stages of your treatment, and monthly payment plans and third-party financing are available for larger treatments like implants. See our dental implant cost page for what an estimate includes.

The Canadian Dental Care Plan (CDCP) doesn’t currently cover implants. Implants are not on the federal government’s list of CDCP-covered services, which does include complete dentures. Our Canadian Dental Care Plan page explains how we help CDCP patients.

How Do You Care for Full-Arch Implants?

Implant teeth can’t get cavities, but the gums and bone around them still need daily care:

  • Brush twice a day, including along the gumline.
  • Clean under fixed teeth daily with a water flosser or small brushes, as your hygienist shows you.
  • If you have an implant-supported denture, remove and clean it every day.
  • Keep up with regular check-ups and professional cleanings.
  • Wear a night guard if you grind your teeth.

Read more about how long dental implants last with good care.

How Do You Start Full-Arch Treatment at Green Apple Dental?

Start with an implant consultation at our Fleetwood or Newton clinic in Surrey. We’ll take your 3D scan, show you your plan on screen, explain your options in plain language, and give you a written estimate, with no obligation.

Plan your implant consultation

Prefer to call? Reach our Fleetwood clinic at 604-597-1311 or our Newton clinic at 604-503-1722.

Frequently Asked Questions About Full-Arch Dental Implants

How long do full-arch dental implants take?

Most cases take several months from placement to final teeth. The jawbone needs about three to nine months to bond with the implants, according to Cleveland Clinic. Extractions or bone grafting add time, and your written plan shows each stage.

Do full-arch implants hurt?

The area is fully frozen, and oral sedation is available if you feel anxious, so most people feel pressure rather than pain. Swelling, soreness, and some bruising for a few days afterward are normal.

Is All-on-4 the same as full-arch implants?

Not exactly. Full-arch implants is the general term for replacing a whole row of teeth on implants. All-on-4® is one named treatment concept from Nobel Biocare that uses four implants per jaw, and some people need five or six implants instead.

Are fixed teeth better than an implant-supported denture?

Neither is better for everyone. Fixed teeth feel closest to natural teeth, while an implant-supported denture is removable and can suit different budgets and bone levels. Your dentist will help you compare them on your own 3D scan.

Can I get full-arch implants if I’ve lost bone?

Often, yes. Bone can be rebuilt with grafting, which adds a few months of healing before the implants. Angled back implants can sometimes use the bone you already have.

Does insurance or CDCP cover full-arch implants?

Many private dental plans cover part of implant treatment as major care, but every plan is different. We bill directly and check your coverage for you. The Canadian Dental Care Plan doesn’t currently cover implants.

How long do full-arch implants last?

With good daily care and regular check-ups, implants can last many years. The teeth attached to them handle daily wear, so check-ups help catch small problems early.

Do I need a specialist for full-arch implants?

Not always. At Green Apple Dental, implants are planned and placed in our own clinics by a team led by Dr. Pavandeep Kooner, and if a specialist is the better choice for your case, we’ll tell you honestly.