ORCAA Global: Restoring Lives, Redefining Education
At ORCAA Global, our mission begins with the patient. Tooth loss strips people of more than teeth—it takes away confidence, nutrition, and dignity. Our work is about restoring those essentials through full-arch implant rehabilitation. From diagnosis and surgery to final prosthetic delivery and long-term follow-up, we ensure that every patient regains not just function, but the ability to smile and live with confidence again.
This patient-centered approach is only possible because of the way we train doctors. Too often, implant education is diluted by ego, misinformation, or superficial instruction. ORCAA takes a different path. Our programs are immersive and evidence-based, placing doctors directly in live surgical settings where they treat real patients under the guidance of world-renowned experts. The result is true clinical mastery—practical knowledge paired with the confidence to deliver lasting results.
What sets ORCAA apart is its culture. We are not an institution built on competition, but on collaboration. Doctors, faculty, and patients come together in an environment of integrity, safety, and compassion. This spirit of family drives everything we do, ensuring that learning is not only technical but also deeply human.
The setting for this education is the Universidad Francisco Marroquín (UFM) Dental School in Guatemala City—a premier modern facility equipped with advanced digital technology, surgical suites, and a thriving academic environment. Within this state-of-the-art space, participants experience the full scope of full-arch care. From digital workflows and implant surgery to prosthetic delivery and post-operative management, ORCAA offers exposure to every step of the process.
Ultimately, ORCAA Global is about transformation. For patients, it means restored dignity. For doctors, it means a new level of skill and integrity. And for the profession, it represents a shift toward surgical education as a force for good. One patient, one doctor, and one restored life at a time, ORCAA is building a global movement rooted in values, driven by impact, and united by purpose.
About the Authors
Dr. Shreyesh Ruparelia, D.D.S., is a seasoned prosthodontically-trained implant surgeon based in Sterling, Virginia. After completing his undergraduate studies in biochemistry and molecular biology, he earned his dental degree at the University of Maryland and pursued advanced training in full-mouth reconstruction, cosmetic dentistry and implantology. Dr. Ruparelia holds fellowships with the International Congress of Oral Implantologists and the Academy of General Dentistry, and is certified in sedation, Invisalign and laser dentistry. With hundreds of full-arch implant cases and thousands of single and partial implants to his name, he is committed to blending surgical precision with aesthetic excellence to restore form, function and confidence for his patients.
Dr. Michael DeFee, D.M.D., Ph.D., is a visionary in digital and restorative dentistry, combining scholarly rigor with clinical innovation. After earning his Ph.D. in microbiology, he completed his dental training and has since pioneered digital workflows, 3D-printing protocols and full-mouth rehabilitations. As founder of MOD Aesthetics and MOD Research, and former founder of My Friend’s Dentist (the first B-Corporation dental practice on the East Coast), Dr. DeFee brings leadership, research and hands-on clinical excellence to every case. His passion is making high-level treatment predictable, patient-centered and digitally optimized.
Dr. Allan Queiroz, D.D.S., is a global educator and digital dentistry expert, combining expertise in implantology, oral rehabilitation and smile design with artistry in clinical photography and digital workflows. As creative director and faculty member at the MOD Institute, and former founder of the Restorative Lab in Chile, Dr. Queiroz has trained many dentists globally in guided implant techniques, digital design (exocad) and aesthetic rehabilitation. His unique blend of clinical mastery and visual storytelling helps clinicians deliver precision, efficiency and stunning results in modern restorative dentistry.