About All Day Smiles Dental
A Private Practice with a Personal Touch—at a Price You’ll Smile About.
At All Day Smiles Dental in Plano, TX, we’re more than just a dental office—we’re a compassionate, community-focused team dedicated to helping patients of all backgrounds achieve healthy, confident smiles. Led by Dr. Sweeta Walia, our practice is built on trust, personalized care, and advanced dental techniques delivered with empathy and precision.
A Team That Puts You First
Get to Know Our Dentists
Dr. Sweeta Walia, D.M.D.
Owner Dentist
With over 20 years of experience, Dr. Walia blends advanced training with a deeply personal approach to patient care. A two-time breast cancer survivor and lifelong learner, she brings both compassion and expertise to every interaction.
Dr. Walia is known for her excellence in cosmetic dentistry, Invisalign, and implant prosthetics, and she is passionate about educating patients on the vital link between oral health and overall wellness.
Dr. Steffanie Lien, D.D.S.
Associate Dentist
A Plano native, Dr. Lien is known for her calm demeanor and detail-oriented care. She combines advanced training in implant restoration and smile design with a strong commitment to patient education and comfort.
Dr. Lien takes pride in building long-term relationships and helping patients love their smiles again.
Dr. Venkata Mohan Mutnuri, D.D.S.
Prosthodontist
Dr. Mohan specializes in complex restorative dentistry, including All-on-4 procedures, cosmetic full-mouth reconstructions, and custom dentures. Known for his artistic eye and technical mastery, he delivers results that restore both function and confidence.
Meet the Friendly Faces
of Our Office
Cara Mergel, RDA
Office Manager
With more than 35 years in the dental field, Cara is often the first voice you’ll hear and the friendly face that keeps our office running smoothly. Her dedication to patient comfort and satisfaction is unmatched.
Whether scheduling your appointment or helping navigate your insurance, Cara is committed to ensuring your visit is efficient, stress-free, and welcoming.
Our Promise to You
At All Day Smiles Dental, we treat the whole person, not just their teeth. Our services range from general dentistry and sedation dentistry to cosmetic makeovers, Invisalign, and implant-supported dentures—all tailored to your unique needs and lifestyle.
Explore our full range of services, or contact us online to see how we can help you smile brighter today.
Frequently Asked Questions
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Where is your office located?
We are located at 3020 Legacy Drive, Suite 210, Plano, TX 75023—conveniently near Frisco, Allen, McKinney, Murphy, and Richardson.
What languages does your team speak?
Our team can communicate in English, Spanish, Hindi, Punjabi, French, and Japanese to accommodate a diverse range of patients.
Do you accept insurance?
Yes, we accept most major PPO plans and Medicare. We also offer an affordable in-house membership plan for patients without insurance.
Are consultations free?
Yes! We offer free consultations for dental implants and Invisalign. You can also take advantage of our $79 New Patient Special, which includes an exam, cleaning, and X-rays (for non-insured patients without periodontal disease).
Take the First Step Toward a Healthier Smile
Whether you're new to the area or simply searching for a more personalized dental experience, we invite you to become part of the All Day Smiles family. Our friendly team is here to support your long-term health and confidence—one visit at a time.