Meet the Doctors of All Day Smiles Dental
Experienced. Compassionate. Patient-Focused.
At All Day Smiles Dental, our team of dental professionals brings together deep clinical knowledge, specialized training, and a genuine commitment to patient care. Every doctor on our team offers a distinct perspective and skill set—ensuring you receive well-rounded, comprehensive care tailored to your needs.
Dr. Sweeta Walia, D.M.D.
Owner Dentist
Dr. Sweeta Walia leads All Day Smiles Dental with a philosophy rooted in empathy, technical excellence, and long-term patient relationships. With more than two decades of experience, her approach integrates high-level dentistry with personalized education and preventive care.
Her journey in dentistry is marked by a passion for innovation and a drive to continually refine her skills. Having completed her dental degree at Nova Southeastern University and a General Practice Residency at Staten Island University Hospital, she has gone on to master advanced procedures in cosmetic, implant, and orthodontic dentistry.
What sets Dr. Walia apart is her ability to treat patients comprehensively—understanding not just their oral health, but the broader medical and emotional contexts behind every smile. As a cancer survivor herself, she is uniquely attuned to the needs of patients managing complex medical conditions. Her clinical expertise is matched by her warm, multilingual communication style and global perspective, shaped by her background and international life experience.
Dr. Walia’s extensive postdoctoral training includes a master-level course in implant prosthetics and numerous successful full-smile reconstructions.
Clinical Interests:
- Smile transformations and full-mouth rehabilitation
- Preventive education and wellness-focused care
- Implant and restorative case planning
- Invisalign and clear aligner therapy
Dr. Steffanie Lien, D.D.S.
Associate Dentist
A detail-oriented clinician with a strong local connection, Dr. Steffanie Lien brings both precision and compassion to her role at All Day Smiles Dental. Born and raised in Plano, she takes pride in giving back to the community that shaped her—and in making each patient feel comfortable and empowered in the dental chair.
Dr. Lien earned her DDS from Texas A&M College of Dentistry, where she cultivated a passion for patient communication and minimally invasive treatment. Her practice style is focused on conservative, evidence-based care and helping patients understand their treatment options in plain, honest terms.
With advanced training in cosmetic techniques, gum therapy, and restorative dentistry, she excels at creating natural-looking, functional outcomes for patients of all ages. Whether she’s crafting a set of crowns or walking a patient through their first dental visit in years, Dr. Lien is known for her attentiveness and calming presence.
Clinical Interests:
- Conservative cosmetic dentistry and anterior restorations
- Periodontal laser therapy and gum health
- Implant crown restorations and bridgework
- Clear aligner therapy for smile correction
Dr. Venkata Mohan Mutnuri, D.D.S.
Prosthodontist
As the practice’s prosthodontic specialist, Dr. Venkata Mohan Mutnuri focuses exclusively on complex restorative and aesthetic cases—including full-arch rehabilitation, implant-supported dentures, and high-end cosmetic design.
Originally trained in India, Dr. Mohan advanced his education in the United States by completing a rigorous Prosthodontics residency at New York University. He has since gained a reputation for his precision, artistry, and dedication to outcomes that restore both oral function and facial esthetics.
Dr. Mohan works closely with referring doctors and in-house team members to develop advanced treatment plans tailored to each patient’s anatomy and long-term goals. He is especially skilled in digital workflows, ceramic aesthetics, and designing prosthetic solutions that feel and look natural.
Above all, Dr. Mohan is known for his humble, thoughtful approach to patient care. While his work is technically demanding, his demeanor remains gentle and approachable—making even complex treatments feel manageable.
Clinical Interests:
- All-on-4 implant prosthetics and hybrid dentures
- Cosmetic rehabilitations involving multiple missing or damaged teeth
- Digital design and materials selection for long-term restorations
- Coordination of full-arch implant therapy
Collaborative Dentistry That Puts You First
Our doctors work as a team—combining their individual specialties to deliver seamless, multidisciplinary care in one convenient location. Whether you’re here for a preventive cleaning, a single restoration, or a complete smile reconstruction, you’ll benefit from the combined expertise of seasoned professionals who are genuinely invested in your long-term health and confidence.