All-on-4 Dental
Implants in Singapore

🦷 What are All-on-4 dental implants?

All-on-4 is a full-arch dental implant technique where an entire set of fixed teeth (typically 10 to 14) is supported by just four titanium implants placed in the jawbone. The name literally describes the concept: all teeth on four implants.

What makes this technique revolutionary is the angulation of the posterior implants. Two implants are placed vertically at the front of the jaw, while two are angled at approximately 45 degrees towards the back. This angulation maximises bone contact, engages stronger bone at the front of the jaw, and allows the bridge to extend further back without needing implants in areas where bone is often insufficient.

The result is a fixed, non-removable arch of teeth that restores approximately 90% of natural biting force — a dramatic improvement over conventional dentures which restore only about 25%.

✅ Who is a good candidate for All-on-4?

All-on-4 is suitable for patients who are missing all teeth in one or both jaws, have multiple failing teeth that require extraction, or who currently wear dentures and want a permanent fixed solution. Good candidates are in reasonable general health and have sufficient bone at the front of the jaw for implant placement.

Importantly, patients who have been told they need extensive bone grafting for conventional implants may still be candidates for All-on-4 — because the angled implant technique is specifically designed to work with reduced bone volume in the posterior jaw.

Conditions that may require additional assessment include uncontrolled diabetes, heavy smoking, active periodontal disease, or certain medications that affect bone healing. These do not necessarily disqualify you, but your dentist will discuss them during consultation.

💉 The All-on-4 procedure step by step

Consultation and planning: A CBCT 3D scan is taken to map your jaw anatomy in detail. Your dentist assesses bone density at multiple sites, identifies nerve pathways and sinus positions, and determines the ideal placement and angle for each implant. A digital surgical guide is then designed.

Surgery day: Any remaining failing teeth are extracted. Four titanium implants are placed — two vertical at the front, two angled at the back — using the surgical guide for accuracy. With our express service, a temporary bridge is fitted within 24 hours of surgery, meaning you have a full set of teeth the very next day. The procedure takes approximately 2 to 3 hours per arch.

Healing period: Over 3 to 6 months, the implants undergo osseointegration — fusing with the surrounding jawbone to create a stable foundation. During this time, you wear the temporary bridge and follow a softer diet. Regular review appointments monitor progress.

Final bridge fitting: Once osseointegration is confirmed, a 3D intraoral scan captures the precise position of each implant. Your permanent custom bridge is then digitally designed, fabricated, and fitted. This final bridge is stronger, more aesthetic, and designed for decades of use.

⚖️ All-on-4 vs traditional dentures

Traditional dentures rest on the gums and are held in place by suction or adhesive. They can slip during eating and speaking, restrict what you can eat, and contribute to jawbone loss over time because they do not stimulate the bone the way tooth roots do.

All-on-4 provides a fixed set of teeth anchored directly to the jawbone. You never remove them. They restore approximately 90% of natural biting force (compared to 25% for dentures), allow you to eat virtually any food, and preserve jawbone health by providing mechanical stimulation similar to natural tooth roots.

The trade-off is cost and surgery. Dentures are far less expensive and require no surgery. All-on-4 is a significant investment but delivers a fundamentally different quality of life — fixed teeth that feel, function, and look like your own.

📈 All-on-4 vs individual implants — which is right for you?

Replacing every missing tooth with its own implant (8 to 14 per arch) provides the most natural tooth-by-tooth result and slightly higher biting force (~95% vs ~90%). However, it requires significantly more implants, more surgery, more healing time, and costs $30,000 to $60,000 or more per arch.

All-on-4 achieves a comparable functional and aesthetic result using just 4 implants per arch, at roughly one-third to one-half the cost of individual implants. It also often avoids bone grafting, which individual implants frequently require in areas of bone loss.

For most patients missing a full arch, All-on-4 represents the best balance of cost, treatment time, surgical complexity, and clinical outcome. Individual implants may be preferable when only a few teeth are missing, or when a patient specifically wants the tooth-by-tooth approach despite the higher cost.

💚 Recovery and aftercare

Days 1 to 3: Swelling and mild discomfort are normal. Take prescribed pain medication and antibiotics. Apply ice packs to reduce swelling. Eat only soft, cool foods (soups, yoghurt, smoothies). Avoid hot drinks and straws.

Week 1: Most patients feel significantly better by day 5 to 7. Continue soft diet and gentle oral hygiene.

Week 2: Return for a review appointment. Sutures are checked and removed. Gradually introduce firmer foods but avoid hard or crunchy items.

Weeks 3 to 12: Continue to gradually introduce firmer foods but avoid hard or crunchy items. Brush your temporary bridge gently with a soft-bristle brush. Use a water flosser to clean under and around the bridge.

After final bridge fitting: Care for your All-on-4 bridge like natural teeth — brush twice daily, use a water flosser or interdental brushes to clean under the bridge, and attend six-monthly dental check-ups. Avoid biting extremely hard objects (ice, bones, hard candy).

🕒 How long do All-on-4 implants last?

The titanium implant posts themselves are designed to be a long-term solution. Once fully osseointegrated, they fuse with your jawbone and become a stable, durable foundation. With proper oral hygiene and regular dental visits, implants are built to last — many patients keep them for life.

The bridge component (the visible teeth) will eventually need refurbishment or replacement due to normal wear from chewing. How long your bridge lasts depends on factors like oral hygiene, whether you grind your teeth (a night guard can help), your diet, and how regularly you attend professional cleans.

💰 Cost and Medisave for All-on-4 in Singapore

At Trust Dental Surgery, All-on-4 dental implants start from $18,800 per arch after Medisave claim. This is your out-of-pocket top-up after a Medisave deduction of $5,310. The all-inclusive package covers your consultation, CBCT 3D scan, 4 titanium implants, temporary bridge, all follow-up appointments, digital surgical guide, and the final custom permanent bridge. All-on-6 is available from $22,000 per arch after Medisave claim of $6,120.

The surgical component is Medisave claimable. You can claim up to $1,950 per implant from your CPF Medisave account. For All-on-4 (4 implants), the Medisave claim is $5,310. For All-on-6 or procedures involving 5 or more implants, the Medisave claim is up to $6,120. Immediate family members (spouse, children, parents, grandparents) can contribute from their Medisave accounts if your balance is insufficient.

Instalment payment plans are also available to help spread the cost over a manageable period. All prices are before GST (9%). Your dentist will provide a detailed cost breakdown after your consultation so there are no surprises.