Patients who have lost most or all of their teeth deserve a lasting, functional solution. All on x is one of the most advanced full-arch restoration options available in dentistry today. It combines dental implants with a fixed prosthetic arch to give patients a complete, stable smile.
For dentists in Phoenix, Mesa, Chandler, and Scottsdale, understanding this restoration is essential. It helps you serve patients who need full-arch rebuilding with precision and confidence. Moreover, the right dental lab partner makes all the difference in the final result.
At Dentek Digital, we fabricate high-quality all-on-x restorations using advanced CAD/CAM technology. Our digital workflow supports dental practices across the Greater Phoenix area. In this guide, we break down exactly what all-on-x is and how the process works.
What Does “All-on-X” Mean?
The term “all-on-x” refers to a full-arch implant-supported restoration. “All” refers to a complete set of teeth — an entire upper or lower arch. The “x” represents the number of implants used to support that arch.
Traditionally, this concept was called “All-on-4,” using four implants per arch. However, today the number of implants can vary based on bone density, anatomy, and clinical preference. Therefore, the more flexible term “all-on-x” has become the standard way to describe this category of treatment.
How Is It Different from Dentures?
Traditional dentures rest on the gums and can shift or slip. All-on-x restorations, on the other hand, are anchored directly to implants in the jawbone. This makes them stable, comfortable, and far more functional.
Additionally, implant-supported arches help preserve the jawbone over time. Because of this, patients often experience better long-term oral health outcomes. Dentures do not offer the same level of bone stimulation that implants provide.
Who Is a Candidate?
Patients who are missing all or most of their teeth in one or both arches may be strong candidates. Furthermore, patients who wear full dentures and want a more permanent solution often explore all-on-x. Adequate bone volume is typically required to support the implants.
Some patients in the Gilbert and Tempe areas come to their dentists specifically asking about this treatment. They have often researched it online and want a clear explanation from their provider. As a result, dentists benefit from understanding both the clinical and lab sides of the process.
The All-on-X Workflow: From Diagnosis to Delivery
A successful all-on-x case involves careful planning, precise surgery, and expert lab fabrication. Each phase builds on the one before it. Therefore, communication between the dentist and the dental lab is critical throughout.
Phase 1: Digital Planning
Modern all-on-x cases begin with digital diagnostics. This typically includes a cone beam CT scan and digital impressions or scans. These tools give the treatment team a detailed three-dimensional view of the patient’s anatomy.
At Dentek Digital, we offer digital implant planning as an advanced service. This allows our team to collaborate with dental practices early in the process. As a result, implant placement and prosthetic design are aligned from the very start.
Phase 2: Immediate Load Prosthesis
After implant placement, patients often receive a temporary restoration the same day. This is commonly called an “immediate load” or “teeth in a day” prosthesis. It allows the patient to function while the implants integrate with the bone.
This temporary arch is typically fabricated from acrylic or a similar material. However, it must still meet high standards of fit, function, and aesthetics. Furthermore, accurate records at this stage are essential for a smooth transition to the final restoration.
Phase 3: Final Restoration Fabrication
Once the implants have fully integrated — a process that takes several months — the final restoration is fabricated. This is where the dental lab plays a central role. The final arch must be precisely designed and milled for long-term success.
Common materials for final all-on-x restorations include zirconia and hybrid ceramic options. Each material has its own advantages in terms of strength, aesthetics, and weight. Dentek Digital uses advanced CAD/CAM dentistry technology to design and mill these restorations with exceptional accuracy.
Materials Used in All-on-X Restorations
Choosing the right material is one of the most important decisions in an all-on-x case. The material affects durability, appearance, and the patient’s overall experience. Additionally, different patients have different functional demands that influence this choice.
Zirconia
Zirconia is one of the most popular choices for full-arch implant-supported restorations. It is extremely strong, biocompatible, and can be milled to precise specifications. Moreover, modern zirconia options offer excellent translucency and natural-looking aesthetics.
Monolithic zirconia arches are milled from a single block. This reduces the risk of chipping or delamination compared to layered options. For high-function patients, zirconia is often the preferred choice.
Hybrid and Acrylic Options
Some cases call for a hybrid ceramic or acrylic material, especially for interim restorations. These materials are lighter than zirconia and easier to adjust chairside. However, they may not offer the same long-term durability under heavy occlusal load.
First, the dentist must assess the patient’s bite force, bruxism history, and aesthetic goals. Then, a material recommendation can be made in collaboration with the lab. At Dentek Digital, we help dental practices across Phoenix and Scottsdale navigate these decisions with confidence.
The Role of the Digital Dental Lab
The dental lab is not just a fabrication facility — it is a clinical partner. In all-on-x cases, the lab’s expertise directly impacts the outcome for the patient. Therefore, choosing a skilled, technology-driven lab is essential.
Dentek Digital has been a leader in digital dentistry since the early days of CAD/CAM workflows. Our team combines cutting-edge technology with experienced craftsmanship. We serve dental practices throughout Greater Phoenix, including communities like Mesa, Tempe, Chandler, and Gilbert.
Digital Workflow Advantages
A fully digital workflow offers significant advantages in all-on-x cases. First, digital design eliminates many of the errors associated with traditional analog impressions. Next, CAD software allows for precise contouring, occlusal planning, and margin refinement before a single tool touches the material.
Additionally, digital files can be stored and retrieved for future use. This is especially valuable if a restoration needs to be remade or adjusted. Furthermore, communication between the dental practice and the lab is faster and more accurate with digital records.
Quality Control and Precision
All-on-x restorations must fit with exceptional precision. Even small errors in the seating surface or implant interface can cause complications. Because of this, Dentek Digital uses multi-axis milling equipment and rigorous quality control protocols on every case.
We verify fit, contour, and occlusion at multiple stages of the fabrication process. This attention to detail helps dental practices deliver results their patients can trust. Moreover, it reduces the likelihood of remakes and chairside adjustments.
Frequently Asked Questions About All-on-X
How many implants does an all-on-x restoration require?
The number varies by case. Most full-arch restorations use between four and six implants per arch. However, the ideal number depends on the patient’s bone density, anatomy, and the dentist’s clinical judgment.
How long does the all-on-x process take?
The full process typically spans several months from implant placement to final restoration delivery. Immediate load temporaries allow patients to function during this period. Final fabrication begins once osseointegration is confirmed.
Can all-on-x restorations be repaired if damaged?
In many cases, yes. Minor repairs may be possible depending on the material and the extent of the damage. Additionally, digital records stored by the lab can facilitate faster replacement if a full remake is needed.
What is the difference between all-on-4 and all-on-x?
All-on-4 is a specific protocol using exactly four implants per arch. All-on-x is a broader term that includes any full-arch implant-supported restoration, regardless of implant count. Therefore, all-on-4 is technically a subset of the all-on-x category.
How does a dental lab support the all-on-x process?
The dental lab designs and fabricates the prosthetic arch that attaches to the implants. A skilled lab also helps with case planning, material selection, and digital design. Furthermore, at Dentek Digital, we offer implant planning services to support the entire treatment workflow.
Partner With Dentek Digital for All-on-X Cases
All-on-x restorations represent some of the most complex and rewarding work in implant dentistry. They require precise planning, skilled fabrication, and a reliable lab partner. Dentek Digital has the technology, experience, and commitment to support your full-arch cases from start to finish.
We serve dental practices across the Greater Phoenix area, including Mesa, Chandler, Gilbert, Tempe, and Scottsdale. Our digital CAD/CAM workflow ensures consistent, high-quality results on every case. Moreover, our team is always available to discuss your specific clinical needs.
Ready to elevate your full-arch implant cases? Contact Dentek Digital today to send us a case or request a consultation with our team.