Full-Arch Fixed Implant Teeth in New York City

What full-arch implant teeth are

A full-arch fixed implant prosthesis is a complete set of upper or lower teeth attached to dental implants with screws. You do not take it out. It stays in day and night, and only the dental team removes it for maintenance.

Many patients know this treatment as All-on-4. That name is a Nobel Biocare trademark for one specific protocol. This page uses the general term, full-arch fixed implant prosthesis. The number of implants and the design vary from person to person.

This option can suit people who have lost most or all of the teeth in one jaw, or whose remaining teeth cannot be kept with a predictable result. It can also suit some long-term denture wearers who want teeth that stay in place. It is one of several ways to restore a full arch, and it is not automatically the right one.

Who is a good candidate

Candidacy depends less on age and more on health, bone and habits. Dr. Lal typically looks at:

• Bone volume and quality, measured on a cone beam CT scan. After teeth are lost, the jawbone often shrinks, and much of the change happens in the first months.
• Medical history, including how well diabetes is controlled, smoking, and medications such as bisphosphonates or other antiresorptive drugs, which can affect healing.
• Restorative space, the vertical room between the jaws. Fixed teeth need enough height to be strong and cleanable. Creating that space sometimes means reshaping bone, which is permanent.
• Lip and facial support. If the lip depends on the pink flange of a denture for support, a fixed bridge may leave it looking flatter.
• Bite forces. Clenching and grinding raise the risk of chipped teeth, worn material and loose screws.
• Ability to clean under and around the bridge every day.

If several teeth can still be saved, it is often worth discussing that first. Patients weighing a broader plan can read about full mouth rehabilitation.

Comparing the main options

For more on removable options, see dentures and overdentures.

Same-day provisional teeth or delayed loading

Many full-arch cases use immediate loading, which means a fixed temporary (provisional) bridge is attached on the day of surgery or within a few days. This is only possible when the implants are firmly stable when placed. Provisional teeth are usually acrylic and are designed to be light and to protect the healing implants. A soft diet is typically advised for the first several weeks.

With delayed loading, the implants heal for a period, often 3 to 6 months, before fixed teeth are attached. A removable denture is usually worn in the meantime. Delayed loading is often chosen when the bone is soft, grafting is needed, or the implants are less stable at surgery than planned. The decision rests on the scan, what is found at surgery and the patient's overall health.

The sequence of visits

1. Consultation and records. An exam, cone beam CT, intraoral scans, photographs and a record of how the jaws meet. Dr. Lal plans the teeth first, then the implant positions that support them.
2. Digital planning and surgical guide. The planned teeth are combined with the CT scan. Dr. Lal's master's research and early publications focused on stereolithographic surgical templates for implant placement, and guided planning is still part of how cases are prepared.
3. Surgery and provisional teeth. Extractions if needed, implant placement and, when the implants are stable enough, a fixed provisional bridge.
4. Healing. Often 3 to 6 months, with visits to check the gums and adjust the provisional bite.
5. Final records. Accurate scans of the implant positions, checked for fit, and a new bite record.
6. Try-ins. A tooth setup or printed prototype is tried in to check appearance, speech, lip support and bite. More than one try-in is common.
7. Delivery. The final bridge is screwed in, the bite is refined and a nightguard is made.

From the first visit to the final teeth, treatment often takes 4 to 9 months, and longer when grafting is involved. Extractions, grafting and implant surgery may involve an oral and maxillofacial surgeon or a periodontist working from the shared plan, while Dr. Lal leads the design of the teeth and the restorative phase.

Why an in-house laboratory matters for try-ins and repairs

LAL Dental works alongside an in-house dental laboratory, LAL Dental Laboratory, which has exocad design software, 3D printing, milling and a zirconia furnace on site. In practice, the lab team can join try-ins when that helps, and design changes can often be made and tried again in a shorter window. When a provisional or acrylic tooth needs repair, the work usually does not need to be shipped out. Because the design is stored digitally, a replacement can be made from the same records. This changes logistics and communication. It does not replace careful planning or daily care.

Risks and failure modes

• Peri-implant disease. Inflammation around implants that can progress to bone loss. It is more likely with poor plaque control, a history of gum disease and missed maintenance visits.
• Mechanical problems. Loose or broken screws, worn or chipped teeth, fractured acrylic and, less often, a fractured framework.
• Implant loss, most often during early healing.
• Speech and comfort changes, such as air or food passing under an upper bridge. These often improve with design refinements.

Research reports high implant survival in general. Even so, technical problems with implant-supported bridges are common enough that maintenance should be planned from the start. If an existing full-arch bridge is having problems, see failed dental implants.

Maintenance and the nightguard

Daily care typically includes brushing, a water flosser, and interdental brushes or threader floss under the bridge. Professional cleanings are often every 3 to 6 months. Every so often, typically every year or two, the bridge is removed so the implants, screws and gums can be cleaned and checked.

A nightguard worn during sleep helps protect the teeth and screws from clenching and grinding. Acrylic teeth wear and may need replacing over the years. Zirconia resists wear but can still chip or fracture.

When Dr. Lal advises against it

• When existing teeth can be kept with a predictable result using less invasive treatment.
• When smoking, uncontrolled diabetes or certain medications make healing uncertain, at least until those factors are addressed.
• When the lip and face need support that a fixed bridge cannot give without compromise. An overdenture may suit better.
• When daily cleaning under a fixed bridge is not realistic, for example because of limited dexterity.
• When expectations, such as a firm deadline, do not match what the bone and healing allow.

For patients in New York City comparing plans, a second opinion visit can help clarify the options. For what drives fees, see dental implant cost. Consultations at LAL Dental, 245 E 50th St in Manhattan, are booked through laldental.com.

Questions