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SWEETA WALIA D.M.D
Owner DentistSWEETA WALIA D.M.D, Owner Dentist
Dr. Sweeta Walia brings over 20 years of experience in dentistry, combining her extensive knowledge with a deep passion for patient care. Originally from North Indian descent, she grew up in Quebec and was introduced to the medical field early on, coming from a family of doctors. She completed her undergraduate studies at Emory University before earning her Doctorate of Dental Medicine from Nova Southeastern University College of Dental Medicine in Fort Lauderdale, Florida.
Dr. Walia has pursued advanced training across multiple areas of dentistry. She completed a General Practice Residency at Staten Island University Hospital, where she gained specialized experience in cosmetic dentistry and treating medically compromised patients. Committed to continuous learning, she has taken numerous continuing education courses over the years, expanding her expertise in general dentistry, implant dentistry, and orthodontics—particularly Invisalign. She has also completed a master’s course in implant prosthetics and has performed many successful cosmetic cases, transforming patients’ smiles with precision and artistry.
As a two-time breast cancer survivor and a strong advocate for breast cancer awareness, Dr. Walia deeply understands the challenges faced by medically compromised patients, especially those undergoing cancer treatment. She is passionate about educating patients on the impact of cancer treatments on oral health and providing specialized care to support their dental well-being during and after treatment.
Dr. Walia is a proud member of the American Dental Association and stays up to date with the latest advancements in dental technology to ensure her patients receive the highest level of care.
Beyond dentistry, Dr. Walia is a passionate global traveler who has lived in multiple countries, including Japan, embracing diverse cultures and experiences. She is multilingual, speaking conversational French and Japanese, as well as Punjabi, Hindi, and Urdu, allowing her to connect with a wide range of patients on a deeper level.
At the heart of Dr. Walia’s practice philosophy is a commitment to patient connection and education. She believes in treating the whole person, not just their teeth, and emphasizes the critical link between oral health and overall well-being. Whether relieving a patient’s pain or giving them the confidence to smile again, she finds fulfillment in making a meaningful difference in their lives.
Dr. Walia lives in Plano and enjoys traveling, exploring the outdoors, and spending quality time with her two beautiful daughters.
Steffanie Lien D.D.S.
Associate DentistSteffanie Lien D.D.S., Associate Dentist
Dr. Steffanie Lien is a dedicated and compassionate dentist who takes pride in providing exceptional, patient-centered care. A Dallas native, she grew up in Plano before earning her Bachelor’s in Biology from the University of Texas at Austin. She then returned home to Dallas to pursue her Doctor of Dental Surgery (DDS) at Texas A&M University College of Dentistry. After completing her training, Dr. Lien chose to establish her career in Plano, serving the community she knows and loves.
Dr. Lien is committed to staying at the forefront of modern dentistry and is continually pursuing advanced training in implant restoration, cosmetic dentistry, and Invisalign to ensure her patients receive the most up-to-date treatment options. With extensive experience in crown and bridge work, anterior crowns, and full smile enhancements, she has helped many patients achieve beautiful and confident smiles. Additionally, Dr. Lien is highly skilled in diagnosing and treating periodontal disease and has significant experience utilizing laser therapy for gum treatments, providing patients with effective and minimally invasive care.
She is passionate about educating patients on their oral health and believes in presenting them with personalized treatment options tailored to their unique needs. By creating a warm and welcoming environment, Dr. Lien strives to build lasting relationships with her patients, guiding them toward long-term dental wellness.
Outside of the office, Dr. Lien enjoys traveling, reading, and spending time with family and friends. She also has a creative side and loves embroidering and crocheting. A true foodie at heart, she enjoys experimenting with new recipes and is currently on a mission to find the best matcha latte in Dallas!
Venkata Mohan Mutnuri D.D.S.
ProsthodontistVenkata Mohan Mutnuri D.D.S., Prosthodontist
Dr. Mohan was born and raised in India, where he began his career in dentistry. Driven by a passion for restorative dentistry, particularly dental implants, he moved to the United States in 2012 to pursue advanced training in Prosthodontics at NYU.
As a specialist in full-mouth reconstruction, complex denture cases, All-on-4 prostheses, and large-scale cosmetic treatments, Dr. Mohan is dedicated to transforming smiles with precision and artistry. He continually enhances his expertise through ongoing education, staying at the forefront of the latest advancements in prosthodontics.
Dr. Mohan takes pride in designing the ideal shape, color, and material for each patient’s teeth, restoring not just function but confidence. Outside of work, he says, “I don’t have any fancy hobbies—I just love spending time with my family.”
MEET OUR TEAM
When you visit All Day Smiles Dental for your dental appointment, you can be sure that our dentist and team will take great care of you and your smile. Our team members are talented, experienced, and knowledgeable — they will treat you and your family with compassion and respect.
At our office, we speak Spanish, Hindi, Punjabi, French, and some Japanese, to meet the needs of our diverse and growing community. You can meet our team members below. To get to know them in person, call 972-433-7933 and let them schedule your appointment.
Cara Mergel RDA
Office Manager
Cara is our office manager. She is the friendly voice you most likely spoke with when you called our office. She started out as a dental assistant 35 years ago, when she was cross trained to also do the front desk. She loves working for a great doctor and staff. She is passionate about making sure her patients are her priority — they are all given the best quality of care and comfort and have a great experience. In her spare time, she loves to spend time with her son and 7-year-old granddaughter.
Office Hours
MON9:00 am - 5:00 pm
TUE9:00 am - 5:00 pm
WED9:00 am - 5:00 pm
THU9:00 am - 5:00 pm
FRI9:00 am - 5:00 pm
SAT9:00 am - 2:00 pm
SUNClosed