What Is the All-on-4 Procedure?
All-on-4 is a full-arch dental implant solution that replaces an entire upper or lower row of teeth using just four titanium implants. Two implants are placed vertically in the anterior jaw, while two are angled at up to 45 degrees in the posterior region. This angled placement takes advantage of available anterior bone density and avoids the areas of natural bone loss that occur in the back of the jaw — meaning most patients do not require bone grafting before surgery.
The result is a fixed prosthesis of 12 to 14 teeth per arch that is permanently attached to the implants. Unlike traditional dentures, an All-on-4 bridge cannot be removed by the patient and does not rest on the gums — it functions and feels much closer to natural teeth.
Hear directly from international patients who traveled to Medellín for their porcelain veneers with Dr. Yazmín Escudero — in their own words.
"I looked up the best dental clinic in all of Colombia — and Dr. Yazmín was at the top of the list."
Washington, DC · USA
In the US, 20 porcelain veneers can cost $30,000–$50,000.
In Colombia, you get the same E‑Max quality — for a fraction of the price.
These videos reflect the personal experiences of individual patients. Results, treatment timelines, and comfort levels vary from person to person and depend on each patient's clinical condition. Testimonials are not a guarantee of any specific outcome. A full clinical evaluation is required before any treatment.
How the Angled Implants Work
The two posterior implants are tilted to increase contact with denser bone at the front of the jaw and to achieve greater implant length without encroaching on the maxillary sinus (upper jaw) or the inferior alveolar nerve (lower jaw). This biomechanical design, developed and refined over decades by Nobel Biocare, allows surgeons to avoid sinus lifts and bone grafts in most cases — procedures that would otherwise add months and thousands of dollars to treatment.
Who Is a Candidate for All-on-4?
All-on-4 is designed specifically for patients with full edentulism (no remaining teeth) or terminal dentition — a situation where remaining natural teeth are failing, heavily compromised by decay or periodontal disease, and require full extraction. It is not a solution for patients missing only one or a few teeth.
Bone Density Requirements
A CBCT (cone beam computed tomography) scan is mandatory before any All-on-4 treatment plan can be confirmed. The scan measures available bone height, width, and density in three dimensions. While All-on-4’s angled design accommodates less bone than traditional implant placement, a minimum level of bone density and volume is still required. Patients with extremely advanced bone resorption may require bone grafting first or may be better candidates for zygomatic implants in the upper arch.
Health and Lifestyle Factors
Smoking significantly increases the risk of implant failure. Nicotine reduces blood flow to the gum and bone tissue, impairing the osseointegration process by which bone grows into the titanium implant surface. Most implant surgeons recommend stopping smoking at least two weeks before surgery and ideally for several months afterward. Uncontrolled diabetes is another risk factor, as it impairs healing and increases infection risk. Osteoporosis patients taking bisphosphonate medications require special evaluation due to the risk of osteonecrosis of the jaw.
All-on-4 Cost in Colombia vs. USA and UK
Colombia has emerged as one of the most competitive dental tourism destinations in Latin America, largely because of its combination of trained specialists, modern equipment, and pricing that reflects local operating costs rather than the overhead of North American or European clinics.
| Location | All-on-4 Cost Per Arch | Notes |
|---|---|---|
| Colombia | $7,000 – $12,000 USD | Includes titanium or zirconia prosthesis; varies by implant brand |
| United States | $25,000 – $35,000 USD | Highly variable by region and clinic |
| United Kingdom | £18,000 – £28,000 | Private clinics only; NHS does not cover implants |
| Mexico | $6,000 – $10,000 USD | Lower cost, variable quality standards |
The price range in Colombia reflects differences in implant brand, prosthesis material (acrylic vs. zirconia), and clinic facilities. A quote that seems unusually low — below $6,000 per arch — warrants careful scrutiny regarding which implant system is being used.
Implant Brands Used in Colombian Top Clinics
The implant brand matters. Implants vary in surface treatment, thread design, long-term clinical data, and the availability of compatible components if you ever need a repair or replacement outside Colombia. When requesting quotes, always ask which brand is included.
- Nobel Biocare — the original developer of the All-on-4 protocol (marketed as Nobel Biocare’s “All-on-4 Treatment Concept”). Premium tier, extensive clinical documentation, globally supported.
- Straumann — Swiss manufacturer with some of the highest long-term survival rates in the implant literature. Premium tier.
- Zimmer Biomet — well-established US brand, widely used in academic and surgical centers.
- Osstem — South Korean manufacturer with strong market presence in Latin America; good clinical performance at mid-range pricing.
At Doctor Yazmin’s clinic in Medellín, treatment planning uses CBCT imaging in-house, which means the scan and evaluation happen at the same facility — eliminating delays caused by external imaging referrals.
Zirconia vs. Acrylic/Hybrid Prosthesis
Once the implants are placed and have integrated with the bone, a permanent prosthesis is fabricated. The two main materials are zirconia and acrylic (also called hybrid or PMMA prostheses).
| Feature | Zirconia Prosthesis | Acrylic/Hybrid Prosthesis |
|---|---|---|
| Durability | Extremely durable, does not chip | Prone to chipping and wear over time |
| Aesthetics | Closest to natural tooth appearance | Acceptable aesthetics, less translucency |
| Weight | Heavier | Lighter |
| Cost | Higher (included in premium quotes) | Lower initial cost |
| Longevity | 15–20+ years with proper care | 5–10 years before replacement or repair |
| Repairability | Harder to repair; typically replaced | Easier and cheaper to repair locally |
For international patients who will not be returning to Colombia frequently, zirconia is generally the more practical choice despite its higher upfront cost — it requires less maintenance and is less likely to need repair between visits.
The Treatment Timeline: What to Expect During Your Trip
All-on-4 treatment for international patients typically involves two trips to Colombia, though some cases can be completed in a single extended visit.
First Visit (1–2 Weeks)
The first visit begins with a consultation and CBCT scan for full three-dimensional bone assessment. The treatment plan is reviewed, including implant positioning, prosthesis design, and whether existing teeth require extraction. Surgery — extraction of remaining teeth (if applicable) and implant placement — is performed under local anesthesia with sedation. In cases of immediate loading, a temporary fixed prosthesis is attached the same day. Patients spend the remainder of the visit on a soft diet while initial healing occurs.
Healing Period (3–6 Months)
Osseointegration — the process by which bone cells grow directly onto the titanium implant surface — takes three to six months. During this time, patients wear their temporary prosthesis and follow a modified diet. Regular check-ins with a local dentist are recommended, and the Colombian clinic should provide a follow-up protocol and contact channel.
Second Visit (Final Prosthesis)
The second trip is typically scheduled four to six months after the first. Impressions or digital scans are taken, the final zirconia or hybrid prosthesis is fabricated and attached, and occlusion (bite alignment) is refined. This visit usually takes five to seven days.
Immediate Loading: Same-Day Teeth
When bone density and implant stability at placement (measured by insertion torque) are sufficient, immediate loading is possible — the patient leaves surgery with a fixed temporary bridge the same day. Not all cases qualify; the surgeon determines candidacy during the planning phase. This option is particularly appealing for international patients who cannot manage an extended toothless period while traveling.
Questions to Ask Before Booking
Before committing to a clinic or a treatment quote for All-on-4, these questions help distinguish thorough practices from those cutting corners:
- Is the CBCT scan included in the quote? Some clinics advertise a low price and charge separately for the mandatory imaging.
- Which implant brand will be used? Ask for the specific brand and model — not just “quality implants.”
- Is the final prosthesis zirconia or acrylic? Make sure you know what material is included in the quoted price.
- Is the prosthesis fixed or removable? Some “implant-supported” prostheses are designed to be removed by the patient (overdentures) rather than permanently fixed. Confirm which you’re getting.
- What warranty is offered on the implants and prosthesis? Reputable clinics provide warranties on both the implants and their workmanship.
- What happens if an implant fails? Understand the clinic’s protocol for implant failure before you commit.
Why Medellín for All-on-4?
Medellín has developed into one of Colombia’s premier medical tourism destinations, with a concentration of specialist dental clinics, modern hospital infrastructure, and a lower cost of living than Bogotá — which translates directly into competitive treatment pricing without sacrificing equipment or expertise. The city’s international airport offers direct connections from Miami, New York, and other major US hubs, making it practical for North American patients. Doctor Yazmin’s clinic operates with an in-house laboratory, which shortens turnaround times for prosthetics fabrication and avoids the quality-control gaps that can occur when work is sent to external labs.
