Are you a passionate and driven student interested in a career in dentistry? The Wobbly Tooth Dental Practice is excited to welcome talented interns to shadow our experienced team and gain valuable hands-on exposure to the world of modern dental care. Whether you're exploring the field or preparing for dental school, our supportive environment offers a unique opportunity to learn about clinical procedures, patient interactions, and the inner workings of a thriving dental practice. We’d love to be part of your journey—come see what it’s like to be part of a team that’s transforming smiles every day!
Joe Twohig is a talented and driven pre-doctoral intern at The Wobbly Tooth Dental Practice, bringing with him a wealth of research experience, academic excellence, and a deep passion for dentistry and biomedical science. Joe will be attending Columbia University College of Dental Medicine as part of the incoming Class of 2025, and currently serves as an intern at The Wobbly Tooth while completing his final research commitments at the National Institutes of Health (NIH).
A graduate of Northwestern University with a Bachelor of Arts in Biological Sciences, Joe has contributed to cutting-edge research at both the National Institute of Dental and Craniofacial Research (NIDCR) and the National Cancer Institute (NCI). His work spans multiomic profiling of autoimmune diseases, patient-derived xenograft modeling in prostate cancer, and the development of AI-assisted diagnostic tools. He has presented his research at national symposia and is a co-author on multiple peer-reviewed publications.
At The Wobbly Tooth, Joe brings his intellectual curiosity, professionalism, and patient-focused mindset to the clinical setting. He is passionate about making connections with patients, learning from experienced dental professionals, and applying his scientific background to real-world dental care.
Outside of the clinic, Joe enjoys mentoring students, exploring the outdoors, and staying active. His long-term goal is to bridge clinical excellence with research innovation—and we are proud to support him on his journey to becoming a future leader in dentistry.
Rachel Kulchar is a DDS/PhD candidate at the UCLA School of Dentistry, currently interning at The Wobbly Tooth Dental Practice, where she brings her passion for science, service, and innovation to the chairside experience. With a background in chemistry and global health from Princeton University and an impressive research portfolio spanning oral biology, salivary gland pathology, and cancer therapeutics, Rachel is dedicated to bridging clinical care and cutting-edge research in dentistry.
Rachel has conducted research at top institutions including the National Institutes of Health (NIH), University of Pennsylvania School of Dental Medicine, and UCLA School of Medicine, with more than 25 peer-reviewed publications and numerous national and international presentations to her name. Her work has focused on salivary gland dysfunction, oral biomarkers, fluoride therapy, and equitable access to oral healthcare, and she has received prestigious awards from the AACR, AADOCR, and UCLA School of Dentistry, including the Dean’s Scholarship.
As an intern at The Wobbly Tooth, Rachel brings not only technical knowledge and research acumen but also a deep commitment to patient-centered care, equity in health access, and mentorship. Her interdisciplinary approach and passion for improving outcomes through both science and service make her an inspiring addition to the team.
In and out of the clinic, Rachel remains a strong advocate for diversity in STEM, global oral health, and supporting future leaders in healthcare. She is excited to continue learning from the dedicated team at The Wobbly Tooth as she prepares for a career as a dentist-scientist and changemaker in the field.
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