All on 4 replaces an entire arch of teeth using four implants. Traditional implants replace individual teeth one at a time.
If you are missing most or all of your teeth, or your remaining teeth are failing, both options can restore function and appearance. The right choice depends on how many teeth need replacing, the condition of your jawbone, and what matters most to you in terms of timeline and recovery.
This guide compares All on 4 and traditional dental implants so you can have a more informed conversation with your dentist about which approach may suit your situation.
Every patient’s bone structure, medical history, and goals are different. This guide provides general information only. A clinical assessment is needed to determine which option may be appropriate for you.
What Is All on 4?
All on 4 is a full-arch implant technique that uses four titanium implants to support a complete set of fixed replacement teeth for one jaw. The two front implants are placed vertically, while the two back implants are angled at approximately 45 degrees to maximise contact with available bone.
The angled placement is significant because it often allows patients with moderate bone loss to receive implants without needing a separate bone grafting procedure first. This can reduce the overall treatment timeline considerably.
- Four implants per arch (upper, lower, or both)
- Provisional fixed teeth typically placed on the same day as surgery
- Angled posterior implants may avoid the need for bone grafting
- Final prosthetic fitted after a healing period of three to six months
- The replacement teeth are fixed in place and do not come out for cleaning
How Do Traditional Dental Implants Work?
Traditional dental implants replace individual teeth with separate implant posts. Each missing tooth receives its own titanium implant, which is placed into the jawbone and left to integrate over several months before a crown is attached.
For patients missing two or three teeth in a row, a bridge supported by two implants can span the gap. But for full-arch replacement, traditional implants may require six to eight individual posts per jaw.
- One implant per missing tooth (or two implants supporting a bridge)
- Each implant is placed vertically into the bone
- Healing period of three to six months before the final crown is fitted
- Bone grafting may be required if bone volume is insufficient
- Individual crowns can be repaired or replaced independently
All on 4 vs Traditional Implants at a Glance
The table below summarises the main differences. Keep in mind that individual circumstances can change any of these factors, which is why a clinical assessment is the starting point.
| Factor | All on 4 | Traditional Implants |
|---|---|---|
| Number of implants (full arch) | 4 per jaw | 6 to 8 per jaw |
| Teeth on the day of surgery | Typically yes (provisional) | Usually no |
| Bone grafting often required | Less likely (angled implants) | More likely if bone is thin |
| Treatment timeline | Provisional teeth same day, final in 3 to 6 months | Multiple stages over 6 to 12 months |
| Surgical sessions | Usually one | Often two or more |
| Best suited for | Full arch replacement | Individual or small-group tooth replacement |
| Replacement if one implant fails | May affect the full arch | Only affects the individual tooth |
| Maintenance | Professional cleans, daily brushing | Standard brushing and flossing between implants |
Neither approach is universally better. The right choice depends on how many teeth you are replacing and the bone structure you are working with.
When All on 4 May Be the Better Option
All on 4 tends to suit patients who need a full arch of teeth replaced and want to minimise the number of surgical procedures. It is also commonly considered by patients who have been wearing dentures and want a fixed alternative.
- Full arch replacement: If most or all teeth in one jaw are missing or failing, All on 4 provides a complete solution with fewer implants than placing one per tooth.
- Moderate bone loss: The angled posterior implants can often use existing bone that would not support a vertical implant, potentially avoiding a bone graft and the additional healing time that comes with it.
- Preference for fewer procedures: The provisional teeth are typically placed on the same day as the implant surgery, so you may leave the clinic with functional teeth rather than a temporary denture.
- Denture wearers: Patients who have worn removable dentures for years and are tired of adhesives, slipping, and restricted eating may find All on 4 a significant improvement in daily comfort.
All on 4 is not suitable for everyone. Certain medical conditions, medications, and bone structures may affect eligibility. A thorough clinical and radiographic assessment is always required first.
When Traditional Implants May Be the Better Option
Traditional implants are often the preferred approach when only a few teeth are missing and the surrounding teeth are healthy. Replacing individual teeth preserves the natural tooth structure around the gap.
- One to three missing teeth: An individual implant or small bridge replaces only what is missing without affecting healthy adjacent teeth.
- Good bone volume: If your jawbone is healthy and thick enough to support vertical implants, the traditional approach is straightforward and well-established.
- Long-term flexibility: If a single implant fails or a crown chips, it can be addressed individually without affecting the rest of your teeth.
- Younger patients with isolated gaps: A single implant to replace a tooth lost to injury or decay is a common and predictable procedure.
For full-arch replacement, traditional implants require more implant posts, more surgical time, and a longer overall treatment period. In these cases, All on 4 may offer a more efficient pathway to the same result.
Recovery and Healing After Implant Surgery
Both approaches involve titanium implants integrating with the jawbone, a process called osseointegration. This typically takes three to six months regardless of which method is used.
The practical difference is what happens during that healing period.
- All on 4: Provisional fixed teeth are usually placed on surgery day. You can eat soft foods and function normally while the implants integrate. The final prosthetic is fitted once healing is complete.
- Traditional implants: The implant posts are placed first, then covered while they heal. During this period, a temporary denture or gap may be present. The permanent crown is attached after integration.
Initial recovery from the surgery itself is similar for both. Swelling, some discomfort, and a soft diet for the first week or two are typical. Your dentist will provide specific aftercare instructions based on your procedure.
| Recovery factor | All on 4 | Traditional |
|---|---|---|
| Teeth during healing | Fixed provisional | Temporary or gap |
| Soft diet period | 2 to 4 weeks | 1 to 2 weeks per stage |
| Return to normal eating | 3 to 6 months (after final prosthetic) | 3 to 6 months (after crown placement) |
| Follow-up appointments | Regular checks during integration | Check after each surgical stage |
Questions to Ask Your Dentist
The decision between All on 4 and traditional implants is not one you should make from reading alone. A dentist who has assessed your teeth, bone, and medical history can recommend the approach that best fits your situation.
- How many teeth need replacing, and are any worth saving?
- What does the 3D scan show about my bone volume and density?
- Am I a candidate for All on 4, traditional implants, or both?
- What is the expected timeline from first appointment to final teeth?
- What will the healing period look like day to day?
- What are the risks specific to my health and medications?
- What are my options if I cannot afford the full treatment upfront?
Sundial Dental offers All on 4 and individual dental implants across five Mid North Coast clinics: Port Macquarie, Taree, Kempsey, Wauchope, and Laurieton. Contact your nearest clinic to book a consultation and find out which option may be right for you.
