The PATZI Implant Protocol is one of the most advanced full-arch implant techniques in modern dentistry, designed for patients with severe upper jaw bone loss who cannot receive traditional All-on-4 or All-on-6 implants.

PATZI stands for:

• P — Pterygoid Implants

• A — Anterior Implants

• T —Transnasal/Transitional/Additional Support (when needed)

• Z — Zygoma Implants

• I — Immediate Loading Protocol

This unique combination allows surgeons to rehabilitate even the most complex maxillary cases—without bone grafting, sinus lifts, or long waiting periods.

Why Was the PATZI Protocol Developed?

Many patients with long-term missing teeth suffer from:

• Severe posterior bone loss

• Expanded sinuses

• Weak premaxilla

• Denture failure

• Gum disease–related bone destruction

These patients are often told:“You don’t have enough bone for implants.”

PATZI was created specifically for these cases.

It uses the remaining natural anchor points in the skull—pterygoid plate, zygoma bone, and strong anterior bone—to provide maximum stability and immediate fixed teeth.

Components of the PATZI Protocol

1️⃣ Pterygoid Implants (P)

Placed in the pterygoid plate, providing strong posterior support without sinus involvement.Benefits:

• No sinus lift needed

• Strong anchorage

• Supports long-span prostheses

2️⃣ Anterior Implants (A)

Placed in the premaxilla (front jaw), which usually retains good bone even in severe bone loss.

Benefits:

• High primary stability

• Ideal for immediate loading

• Anchor point for midline prosthetic support

3️⃣ Transitional / Additional Support (T)

Some surgeons use “T” for transitional implants; some interpret it as trans-nasal.

In practical usage (India & global):

• T = optional extra implants to enhance stability

• Custom-selected based on bone availability

4️⃣ Zygoma Implants (Z)

Long implants anchored into the cheekbone (zygoma).Used when posterior maxillary bone is severely resorbed.

Benefits:

• Extremely strong anchorage

• Ideal for end-stage bone loss

• Eliminates need for bone grafts

5️⃣ Immediate Loading (I)

The hallmark of PATZI:Fixed teeth within 72 hours.

The mechanical stability from Pterygoid + Anterior + Zygoma allows a full-arch temporary prosthesis to be attached immediately.

PATZI vs Conventional All-on-4 / All-on-6!

PATZI is considered the highest stability protocol for the maxilla.

Who Is the Right Candidate for PATZI?

You may be a good candidate if you have:

✔ Severe bone loss in the upper jaw

✔ Failing or loose dentures

✔ Failed previous implants

✔ Sinus expansion or pneumatization

✔ Gum disease-related bone destruction

✔ Long-term missing teeth

✔ Want fixed teeth without grafting

✔ Want immediate teeth (within 72 hours)

Even “hopeless cases” often qualify.

Who Is NOT a Candidate?

PATZI may not be ideal if you have:

• Uncontrolled diabetes

• Severe heart issues

• Active infections requiring stabilization

• Inability to maintain hygiene

• Heavy chronic smoking (unless reduced/quit)

Your OMFS surgeon evaluates this during the consultation.

Step-by-Step PATZI Implant Procedure

Step 1 — CBCT Scan & Planning

3D imaging identifies bone availability in:

• Zygoma

• Pterygoid region

• Anterior jaw

• Sinus floor

• Nasal base

Step 2 — Implant Placement

• Anterior implants placed first

• Pterygoid implants for posterior support

• Zygoma implants placed if needed

• Additional transitional implants included as required

Step 3 — Impressions for Temporary Teeth

Taken on the same day.

Step 4 — 72-Hour Fixed Teeth

A reinforced temporary bridge is attached.

Step 5 — Final Teeth (3–4 months)

Custom zirconia or ceramic prosthesis delivered after full healing.

Advantages of PATZI Protocol

⭐ No bone grafting

⭐ Works in extreme bone loss

⭐ Fixed teeth within 72 hours

⭐ Superior long-term stability

⭐ Uses strong anatomical anchor points

⭐ High success rate in failed denture cases

⭐ Predictable for complex full-arch rehabilitation

Risks & Considerations (Explained Simply)

All surgical procedures have risks, but with proper planning, PATZI is safe.

Possible considerations:

• Temporary swelling

• Initial sinus discomfort (rare)

• Need for hygiene maintenance

• Regular follow-ups

An experienced OMFS surgeon minimizes these risks significantly.

Why Choose an OMFS Surgeon for PATZI?

PATZI requires:

• Anatomical mastery of the maxilla

• Experience with Zygoma & Pterygoid techniques

• 3D planning expertise

• Immediate loading knowledge

An Oral & Maxillofacial Surgeon (MDS OMFS) is the most qualified clinician to perform this advanced protocol.

PATZI Implant Protocol at YOUR DENTIST

YOUR DENTIST is one of the few centers performing PATZI safely and predictably, led by:Dr. E. Surendranath, MDS, OMFS

• Expert in Zygoma, Pterygoid & Full-Arch Implants

• 15+ years of implant experience

• 30,000+ implant surgeries

• CBCT-based guided approach

• Immediate loading expertise

Patients who were told “implants are impossible” often get full-arch fixed teeth here—without any grafts.