Littleton, CO dentist Dr. Guy Grabiak and team celebrate case study award for long-term healthy results with their patient.
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Welcome to Denver Dentistry
A comfortable environment for comprehensive holistic dental care

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About Us

Our highly trained team practices functional dentistry from a holistic standpoint, carefully analyzing your system as a whole instead of a collection of different body parts. At your appointment(s) we will evaluate how your systemic health affects your oral health. Then, we integrate both traditional and alternative dental treatments to improve your well-being both systemically and orally. If dental or gingival therapies are needed, we only use the most biocompatible materials available to minimize your exposure to any toxins that have the potential to cause systemic complications.

Our Patients Are Saying

Meet the Providers

Dr. Guy Grabiak

Dr. Guy Grabiak DMD, FAGD

Throughout my career, I have been blessed to study with some of the leaders and greatest minds in organized dentistry, but I intuitively realized there was a better way to achieve optimal health. The last mercury amalgam filling I placed was while still in the United States Air Force over 20 years ago.

Gradually, I noticed that our population’s decline in health, despite advances in medicine, was due in part to western medicines’ lack of understanding of the complexities of how the mind, body, and spirit integrate. We were too quick to prescribe antibiotics and narcotic pain medications rather than treat the cause of the disease.

Angelina Geon, RDH

Angelina Geon, RDH, BSDH, HIAOMT

I am a native of Colorado and have over 20 years of experience in the dental field.

I attended the University of Bridgeport, Fones School of Dental Hygiene graduating Magna Cum Laude with a Bachelor of Science in Dental Hygiene. Then continued on to earn accreditation in Biological Dental Hygiene through the International Academy of Oral Medicine and Toxicology.

Like most who seek alternative therapies, I pursued biological dental hygiene to be more congruent with my values, beliefs, and philosophical orientations toward health and life. I was dissatisfied with helping my patients only manage their gum disease, in the traditional dental setting. I wanted to address the root cause, and actually support my patients’ quest to improve their oral and systemic health. Biological dental hygiene helped me to do just that!

I take pride in educating practice clientele while respecting each individual’s goals, values, and preferences. The drive to create and maintain beautiful, healthy smiles leads me to review new scientific research, explore the latest clinical techniques, and analyze oral health care products. Armed with this knowledge, I empower my patients to make the right choice for their oral health in consideration of their systemic health.

When not on the job, you can find me biking or hiking the Rocky Mountains with my family, satisfying my sweet tooth by experimenting with new recipes, or on the baseball field watching my son hit, run, and score. My goals for the future are to maintain a good work life balance, while capturing all that a career in biological dental hygiene has to offer.

Why
Choose Us?

At Denver Dentistry, you can enjoy personalized attention in a clean, professional, and comfortable environment. Biological-based dentistry focuses on the root cause of disease.

Featured Services

Sleep  and Airway Management

Sleep and Airway Management

The Denver Dentistry staff is on the frontline of disease detection. Information obtained from the medical history, salivary analysis, as well as the intraoral and extraoral examination, can reveal risk factors associated with sleep related breathing disorders. Denver Dentistry offers FDA cleared and approved home sleep testing to detect Obstructive and Central sleep apnea.

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Safe Mercury Amalgam Removal Technique (SMART) Protocol

Safe Mercury Amalgam Removal Technique (SMART) Protocol

If you wish to remove mercury amalgam fillings or metal based crowns it is recommended to use an IAOMT dentist certified in the Safe Mercury Amalgam Removal Technique (SMART) Protocol. Dr. Grabiak is SMART Certified by the International Academy of Oral Medicine and Toxicology. Less than 1% of Doctors in the state of Colorado have this certification!

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Ozone Treatment

Ozone Treatment

Ozone is used successfully to treat a variety of dental issues, including gingivitis, periodontal disease, dental caries, tooth sensitivity, dental infections, sinusitis, temporomandibular joint dysfunction (TMJ), and osteonecrotic lesions.

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Zirconia Implants

Zirconia Implants

Zirconia is a hypoallergenic material. What this means is that when placed, you’re less likely to experience allergies or sensitivities to the material, making for a more pleasant experience that lowers your risk of implant failure.

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Biocompatibility Dentistry

Biocompatibility Dentistry

Dental/oral conditions have a big impact on your overall health and well-being. With every procedure, we consider its potential effect on the rest of your body. It’s why we encourage biocompatibility testing of dental materials and will not use known neurotoxins such as mercury amalgam to repair decayed or damaged teeth. It’s why we use tools such as pathogen testing, to provide more specific, targeted treatment of gum disease – a condition linked to heart disease, stroke, diabetes, rheumatoid arthritis and other inflammatory conditions. We don’t just look at teeth. We look at the big picture.

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Periodontal Therapies

Periodontal Therapies

In alignment with the IAOMT, we believe, Periodontal disease is an infection – “an invasion by pathogenic microorganisms of a bodily part in which the conditions are favorable for growth of the bacteria, production of toxins, and resulting injury to tissue.”

We offer a variety of non-invasive alternative periodontal therapies that can be tailored to your specific needs.

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Partnerships & Certifications

lizmar thurber

Noelle Jones

Office Manager

With a robust career spanning over 20 years in the dental sector, Noelle Jones has developed a profound expertise that blends technical proficiency with visionary leadership. Starting her journey as a dental assistant, Noelle has continually expanded her skill set and knowledge base. She pursued higher education at Georgia Perimeter College, where she completed programs in dental lab technology, chairside assisting, and business management. In 2024, Noelle found her perfect match in the professional world at Denver Dentistry, a practice that embraces the principles of biological dentistry. This role not only marks a significant step in her career but also profoundly shifts her perspective on the impact dental health has on the rest of the body. Beyond her professional endeavors, Noelle is an avid adventurer who loves exploring the natural beauty of Colorado. She is on a quest to hike all the "14ers" in the state. When not scaling peaks, she enjoys traveling and cherishing moments with her husband and their three beloved dogs. Noelle's dedication to dental excellence and her commitment to a holistic approach in her field make her a pivotal member of the Denver Dentistry team.

The foundation of providing safe and personalized holistic care begins by getting to know you and your goals for your oral health and overall health, both short term and long term. Dr. Grabiak will then learn about your family’s dental and medical history, along with your dental and medical history. Afterwards, we begin your exam by taking a sample of your saliva (Sillha), checking for seven different biomarkers. That same day, we will send you home with a report showing how you scored in those different biomarker categories.

The head and neck examination is often overlooked by busy clinicians but it is as crucial as an element of the oral cancer examination. Dr. Grabiak begins his exam outside of the mouth by starting with a soft tissue check of the neck and the jaw. A thorough head and neck examination is essential for detecting early skin cancers, any overdeveloped jaw muscles that may be contributing towards bruxism, and enlarged lymph nodes that may indicate an active virus or infection.

After the extraoral exam, Dr. Grabiak begins his extensive intraoral exam. During Dr. Grabiak’s exam he is evaluating the teeth, uvula, mucosal tissues, tongue, floor of the mouth, hard and soft palate, and the oropharynx. Part of this exam includes taking high-definition photos of the mouth, all at different angles so you can see exactly what he is seeing. Our hygienist will then come in and complete a comprehensive periodontal assessment. In some cases, Dr. Grabiak and your hygienist may recommend additional testing to get to the root cause of the evidence of symptoms they are seeing in your mouth. This entire process takes roughly an hour. In some cases, depending on what Dr. Grabiak and your hygienist had found during their exam we will invite you back for a follow-up appointment called review of findings.

In preparation for the review of findings, Dr. Grabiak and your hygienist will take the time to evaluate all of the data that was collected from your examination and testing to determine your specific needs. At your review of findings appointment Dr. Grabiak will sit down with you one on one to review the data that was collected from your appointment, along with any recommendations. This allows you the time to ask Dr. Grabiak any questions that you may have about your treatment recommendations and expectations from treatment.

Jeromy Mulkey

Jeromy Mulkey

Operations Manager

Jeromy earned his Bachelor of Science in Finance from New Mexico State University in Las Cruces, New Mexico. His journey in the dental field began when he moved to Colorado in 2015 from Hannibal, New York, a small town outside of Syracuse. Starting as a patient coordinator in corporate dental, Jeromy quickly advanced to office manager and eventually managed multiple offices for a DSO, including specialty practices over the next 4 years. In 2019, his transition to holistic dentistry at Denver Dentistry began. This transition brought new challenges and a renewed passion for learning about the latest sciences and technologies integrated into their practice. Since starting at Denver Dentistry, Jeromy has enjoyed learning about safe mercury removal (SMART Protocol), airway management, ozone, salivary testing, biocompatibility testing for materials, heavy metals testing, and the systemic and oral health connection. Jeromy currently resides in Littleton, enjoying the proximity to the mountains. Outside of work, he cherishes time spent with his wife and daughter and enjoys activities such as snowboarding, bouldering, paintball, soccer, basketball, camping, and hiking. Jeromy's dedication to delivering exceptional customer service and contributing to the team's mission of bringing more healthy smiles to satisfied patients is at the core of his professional ethos.
Chelsea White

Jazmin Contreras

Dental Hygiene Assistant

A native of Guatemala and raised in Carbondale, Colorado, Jazmin Contreras embarked on her medical journey with a degree in Kinesiology from Colorado Mesa University, where she graduated at the top of her class in 2020. Her early professional life included a significant role in a chiropractic office, where she gained an appreciation for the interconnectedness of whole-body health. This experience laid the groundwork for her holistic view of healthcare. Fluent in both English and Spanish, Jazmin leveraged her linguistic skills as a medical interpreter, greatly enhancing her communication capabilities and deepening her understanding of patient needs and concerns. This role proved essential in her development as a healthcare provider, enabling her to effectively bridge cultural and linguistic barriers in medical settings. Jazmin's career trajectory took a definitive turn when she joined Denver Dentistry. Under the guidance of Dr. Grabiak, she was introduced to an innovative holistic approach to dental care that aligned with her own values and aspirations. It was here that Jazmin found her calling, thriving in an environment that embraced both traditional and alternative medical philosophies. Known for her robust critical thinking and problem-solving skills, Jazmin is passionate about educating her patients on the nuances of holistic dentistry. She is dedicated to demystifying dental care, ensuring her patients not only receive top-notch treatment but also understand the broader implications of oral health on overall well-being. When not at the clinic, Jazmin and her husband indulge in the great outdoors, pursuing activities such as hiking, camping, and kayaking. These adventures not only satisfy their love for nature but also provide Jazmin with a refreshed perspective and renewed energy, which she brings back to her patients and her practice.
lizmar thurber

Lizmar Thurber

Expanded Duties Dental Assistant

Lizmar Thurber is a highly experienced Expanded Duties Dental Assistant, distinguished by her extensive background in both traditional and holistic dental practices. Her educational journey began at the University of Florida, College of Dentistry’s Division of Continuing Education, where she specialized in Expanded Duties of Dental Auxiliary Personnel, Radiological Health, and Safety in 2002. She further enhanced her credentials by earning a Bachelor of Science in Biology with an emphasis in Pre-Medicine from Grand Canyon University in Phoenix, Arizona, in 2015. In her role, Lizmar leverages a robust skill set tailored to holistic dental care. She has a profound understanding of holistic health practices and is skilled in using biocompatible materials for dental procedures, such as fillings and crowns, to reduce toxicity. Her empathetic demeanor and excellent interpersonal skills are pivotal in alleviating patient fears, thereby creating a comforting and reassuring environment. Known for her bilingual proficiency in English and Spanish, Lizmar effectively communicates with a diverse patient base, providing clear explanations of holistic dental treatments and procedures. Lizmar's exceptional communication abilities and her capacity to adapt to various treatment modalities are essential in navigating the unique aspects of holistic dental care. Her versatility and adaptability make her an invaluable asset to any dental team, enhancing patient care with a comprehensive, patient-centered approach. Beyond her professional endeavors, Lizmar cherishes the time spent with her family. Together with her husband, and their sons, she actively participates in various sports activities. They frequently travel for the Colorado Prospects baseball club and engage in other sports like basketball and soccer. Additionally, Lizmar serves her community as a worship pastor, where she shares her passion for music and guides others in their spiritual journey with Christ.

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