Dr. Ivan Quintana Hijano

Meet Dr. Ivan Quintana, Houston's trusted oral surgeon, excelling in full mouth dental implant transformations.


Dr. Ivan Quintana Hijano

Dr. Ivan Quintana is originally from Cuba and has lived in various states such as Phoenix and Colorado. He currently resides in Houston, Texas and practices Oral Surgery at Nuvia Dental Implant Center.

He loves to help his patients get their lives back by correcting dental issues with full mouth dental implants. He and his fiance enjoy mountain biking and racquetball.

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Other Doctors

Our doctors are not just experts; they are visionaries in the field of dental implantology. With decades of surgical and restorative experience, and a passion for pioneering research, they are at the forefront of innovation.

Dr. Eric Spencer

Introducing Dr. Eric Spencer, Nuvia’s dedicated oral surgeon in Philadelphia. Dr. Spencer is passionate about transforming lives with permanent teeth in 24 hours, a mission that perfectly aligns with Nuvia's patient-first philosophy. He thrives on making a substantial impact on his patients, whether that’s by alleviating pain, improving appearances, or resolving other dental issues.

Inspired by his mother, a caring nurse, Dr. Spencer looks beyond the dental chair to care for people as individuals. He believes that a smile has the power to change lives at the very core and is committed to doing so in collaboration with his expert team.

Why Nuvia:

Dr. Spencer was first attracted to Nuvia because of the quality of surgery provided by a team of professionals. He loves the culture and community of individuals committed to changing the lives of others for the better that he’s found at Nuvia.

Personal Life

When he's not performing life-altering procedures, Dr. Spencer enjoys quality time with his family. His personal interests range from dining out and watching movies to an active lifestyle that includes biking, swimming, and running. He's also a firm believer in the benefits of healthy eating and meditation. A well-rounded individual, Dr. Spencer brings a holistic approach to his practice as an oral surgeon in Philadelphia, aiming to elevate not just your smile but your overall quality of life.

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Dr. Jeffrey Oyama

Dr. Jeffrey Oyama is a restorative dentist in Fullerton who completed the bulk of his training locally in California. A native of LA County, he began his college education at UC San Diego for undergraduate studies, before completing his dental education at UCLA. His commitment to mastering his craft saw him through a general residency at the Rancho Los Amigos National Rehabilitation Center where he provided care to patients with developmental and physical disabilities.  He then returned to UCLA for an advanced prosthodontics residency program and an additional year of maxillofacial prosthetics.

Dr. Oyama's professional path is marked by significant achievements, including owning a practice and, more recently, dedicating his expertise to teaching full-time at a local dental school.

Dr. Oyama has found fulfillment in being a restorative dentist in Fullerton as he has seen how dental health can have a great impact on an individual's overall quality of life. He is particularly moved by the stories of patients who have struggled with dental issues for years who find new life and greater confidence in restoring their smile with dental implants..

To those considering embarking on their dental health journey with Nuvia in Fullerton, CA, Dr. Oyama extends a warm welcome, assuring them that they are in capable hands. His message to patients is that the Nuvia team is ready to provide the necessary guidance, answers, and information every step of the way so you can feel confident and comfortable taking these next exciting steps.

Outside of the Clinic

When Dr. Oyama isn’t at the office as a restorative dentist he can likely be found doing photography, yoga, hiking, or a variety of outdoor activities. He is a firm believer in the importance of physical fitness and mental well-being, and loves to exercise.

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Dr. Eberechukwu Njoku

Dr. Njoku serves with the Nuvia team in Fort Worth, Texas. She grew up in Atlanta, GA where she came to love the diverse cultures of others as well as her family’s Nigerian culture and roots. She has always been driven by a desire to help others and give back. It was this passion for helping people that changed her career path from one in political science to one that would lead to her becoming a dental implant doctor.

After seeing such a need for dental services on a mission trip to Atlanta, GA, Dr. Njoku attended dental school at the University of Maryland. There, she trained in restorative dentistry and gained experience to become a dental implant doctor in Fort Worth, where she moved soon after finishing school and has been practicing ever since.

Dr. Njoku loves Nuvia’s innovative approach to helping patients transform their smiles. She loves all the benefits that come from full mouth dental implants and especially that patients can get their permanent teeth in 24 hours. Having worked with patients in the past who relied on dentures, she confidently shares her love of dental implants and what they can offer those who are missing teeth.

Personal Life

When outside of the clinic, Dr. Njoku can be found playing tennis, doing crafts, or occasionally running. As an avid traveler and foodie, Dr. Njoku loves exploring the world and different types of cuisine and cultures. Her passion for food extends to a love of cooking and connecting with others through the food she makes.

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Dr. Bahareh Moradi

Nuvia is proud to have Dr. Moradi as a restorative dentist at the Detroit location. Dr. Moradi pursued her childhood dream and received her Doctorate of Dental Science degree from Hamedan University of Medical Sciences in Iran in 2002. She fell in love with Endodontics when she started her clinical rotation in dental school. She completed a three-year residency in Endodontics at Tabriz University of Medical Sciences where she received her Master of Science degree in Oral Science. 

She then opened her own endodontics office, where she completed more than twenty-one thousand root canal treatments in ten years. After she moved to the United States in 2015, she pursued advanced training in Prosthodontics at Nova Southeastern University and earned a  Certificate in Prosthodontics to broaden her knowledge. She now combines her knowledge in endodontics and prosthodontics to provide her patients with comprehensive dental treatment as a dental implant doctor in Detroit, MI. Her fields of interest are implants, aesthetic dentistry, and digital workflow. 

Personal Life

When she is not working as a dental implant doctor, she enjoys spending time with her family and cooking with them. Exercising and skiing are some of her favorite hobbies.

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Dr. Jonathan Rosenstein

Dr. Rosenstein obtained an undergraduate bachelor of science in biology from Touro College in Queens, New York, where he graduated as Valedictorian of his class. He then attended the University of Maryland School of Dentistry from which he received his Doctor of Dental Surgery degree. During his time in dental school, Dr. Rosenstein was inducted into the Gorgas Odontological Honorary Society, as well as the Gamma Pi Delta Honor Society.

Upon completion of dental school, Dr. Rosenstein was accepted into an Oral & Maxillofacial Surgery residency program at The Brooklyn Hospital Center, in Brooklyn, NY. In the course of his training, Dr. Rosenstein provided OMFS services at multiple hospitals throughout the East Coast, including Brooklyn Hospital, The Brooklyn VA Medical Center, St. Barnabas Hospital, and Geisinger Medical Center, a level-one regional trauma center in Pennsylvania.

After serving as Chief Resident in his final year of residency, Dr. Rosenstein obtained his certification in Oral and Maxillofacial Surgery. Dr. Rosenstein has authored scholarly works that have been published in both journals and textbooks, including the Journal of Oral and Maxillofacial Surgery, New York State Dental Journal, Dental Clinics of North America, and the European Journal of Oral and Maxillofacial Surgery. He is a member of the American Dental Association, The Academy of Osseointegration, and the American Association of Oral & Maxillofacial Surgeons. Now, Dr. Rosenstein provides full mouth dental implants at Nuvia Dental Implant Center in Houston.

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Dr. Isaias Abrego

Dr. Isaias Abrego has a wide academic background with education acquired in top tier universities. After obtaining his Doctor of Dental Surgery degree, he pursued a 3 year training specialty program in Prosthodontics, Master’s of Science in Dentistry and certification as Dental Technician at Louisiana State University.

During his residency, he emphasized his training in esthetic and digital dentistry. He has been working in the field with more than 6 years of experience. This certifies him as a "Highly Skilled Professional" that performs full mouth rehabilitations and dental implant smile makeovers perfectly balancing esthetics and function.

He has lectured to universities in Latin America and The United States about Smile Design, Digital Dentistry, Esthetics, and Dental Photography.

During his free time he loves spending time with his lovely wife, cooking, and learning about science. He is a black belt in Taekwondo and enjoys all sports, especially soccer.

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Cost Guide

Dental Implant Cost Guide

2024 Cost Guide

This guide is designed to walk you step by step through the dental implant process and each dental implant type with their associated costs.

  • Different implant types and their average costs
  • 4 little known factors that affect pricing
  • How much will dental & health insurance typically cover for dental implants?
  • What 1000’s of average Americans are doing to make this treatment affordable.
  • And more...
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