Today, a dentist can stabilize a loose lower denture in a single appointment, with no flap, no sutures, and a patient who walks out chewing comfortably the same afternoon. That procedure feels routine now. It was close to unthinkable when the idea behind it was first sketched out more than fifty years ago.
The mini dental implant did not arrive as a finished product. It began as a question one clinician kept asking - and the answer reshaped how the profession thinks about tooth replacement.
A Different Question
By the early 1970s, endosseous implant dentistry was advancing quickly, but it was also getting bigger, more surgical, and more demanding. Conventional root-form implants required wide-diameter fixtures, generous bone volume, staged surgeries, and long healing windows before anything could be loaded. For a great many patients - especially edentulous patients with atrophied ridges and unstable lower dentures - that pathway was either anatomically impossible or simply out of reach.
Dr. Victor I. Sendax, a board-certified Manhattan dentist and implantologist, approached the problem from the opposite direction. Instead of asking how to make implants more robust, he asked how small and how minimally invasive an implant could be while still doing real clinical work. His answer was an ultra-small-diameter, one-piece titanium screw paired with a streamlined, single-stage insertion protocol - placed through the tissue rather than under a surgically reflected flap and designed to be functional almost immediately.
That combination - a miniaturized fixture and a minimally invasive protocol - is the actual invention. The small screw alone was not the breakthrough. The breakthrough was rethinking the entire procedure around the patient's experience: less surgery, less cost, less chair time, less healing, and a faster return to function. Dr. Sendax would go on to hold four United States patents in dental implants, and this line of work is the one that carried his name.
Why Park Dental Research is Part of This Story
Sendax was not working in isolation. He was part of the extraordinary community of clinicians and researchers who orbited Park Dental Studios - the New York dental laboratory founded by Jack Wimmer that became, by widespread agreement, the epicenter of the dental implant revolution in the 1950s and 1960s.
Wimmer, a Holocaust survivor who rebuilt his life and career in the United States, built more than a laboratory. He built a gravitational center. The pioneers who passed through that orbit - Linkow, Lew, Misch, Balkin, Sendax, and many others - were not just using a fabrication shop; they were collaborating on the prosthetic and engineering problems that implant dentistry had not yet solved. The mini dental implant concept matured inside that environment, not outside it. That is why this milestone sits where it does on the Park Dental Research timeline: the idea is woven into the company's own founding network, not borrowed from elsewhere.
From Concept to Clinical Reality
A good idea is not the same thing as a manufacturable, repeatable, regulated medical device. Bridging that gap took roughly two more decades and a second key figure.
In the late 1990s, Dr. Sendax began collaborating closely with Dr. Ronald A. Bulard - a colleague he met, fittingly, in the building where both men kept New York practices. Bulard had founded IMTEC Corporation, which at the time was manufacturing and marketing conventional implant products. The two refined Sendax's original design: a more efficient top and collar, a single-piece "O-ball" head that snapped into a retaining fixture seated in the denture base, and Sendax's original minimally invasive insertion protocol carried through largely intact. Bulard's "O-ball" contribution became one of the patents he holds in the field.
The refined system was formally introduced to the United States dental community as the IMTEC Sendax MDI at an implant conference in Orlando, Florida, in April 1999. For the first time, the idea that had started as one clinician's contrarian question was a commercially available, documented system that any trained practice could adopt.
What the Idea Actually Changed
It is worth being precise about what the mini dental implant did and did not do. It was never positioned as a replacement for conventional implantology. It was conceived as a complement - a way to bring implant-level stability to cases and patients that the conventional pathway left behind.
What it changed was access. A minimally invasive, often immediately functional, lower-cost option meant that denture stabilization was no longer reserved for patients with ideal bone, ample budgets, and tolerance for staged surgery. The procedure could be completed in offices that did not run a full surgical implant program. The patient experience - central to Sendax's original question - became the design priority rather than an afterthought.
That is why the concept did not stay niche. It scaled.
The Throughline to Today
The lineage is direct and unbroken. The concept Dr. Sendax developed within the Park Dental network, refined with Dr. Bulard, and launched commercially in 1999, runs straight into the systems Park Dental Research builds and supports today - including the
LEW™ / IMTEC™ MDI Small Diameter Implant line, still used for denture stabilization in the mandible and maxilla, still built around the same core principles of minimal invasiveness, primary stability, and simplified, predictable protocols.
When Dr. Bulard acquired Park Dental Research from Jack Wimmer in 2011, he was not entering a new field. He was bringing a story full circle - returning the mini dental implant lineage to the company whose founding community had helped give rise to it in the first place.
More than five decades after one dentist asked a smaller, simpler question; the answer is a global standard. It is still being refined. And it still starts from the same place: what is best for the patient in the chair.
Park Dental Research continues the mini dental implant legacy through the
LEW™ / IMTEC™ MDI system. Explore the MDI line →
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The Founding Vision: Jack Wimmer and the Origin of Park Dental Research