Get to know your Doctor


Sam Withanachchi, DMD

Board Certified General Dentist

Dr. Withanachchi has been providing high-quality dental care for the residents of Edmonton and the surrounding areas for over 10 years. He prides his practice on building long-term relationships with his patients. Dr. Withanachchi is a general dentist who is passionate about improving and maintaining oral health through education and preventive dental care.  He also takes tremendous pride in enhancing. smiles and function by aligning and restoring teeth.  Dr. Withanachchi’s greatest professional satisfaction comes from his patients having a renewed confidence in themselves and their smiles.

Dr. Withanachchi earned his B. Sc in biological sciences from the University of Alberta, and then went on to earn a second B. Sc in dentistry from the University of Manitoba. For post graduate training, he studied at the University of Manitoba where he served on the Senate and received his Doctor of Dental Medicine degree in 2006.  Prior to joining the team at Tooth Works, Dr. Withanachchi practiced in Leduc, AB for two years and volunteered his services in Northern Manitoba and the Bronx, NY.  He also recently took part in a dental envoy to Peru to provide care to communities with no access to dental treatment.

Dr. Withanachchi is a proud father of two. The majority of his leisure time is dedicated to his children, Kaasha and Noah, and his spouse, Diana.  Dr. Withanachchi believes in leading a healthy lifestyle; he weight trains, practises yoga and plays hockey in a rec. league with his “Tooth Works Titans”.

Professional memberships include:

  • Alberta Dental Association
  • Canadian Dental Association
  • International Association of Orthodontics (IAO)
  • Edmonton & District Dental Society
  • International Team for Implantology


Paman Chahal, DDS

Board Certified General Dentist

Dr. Chahal moved from Calgary in 2012 where she completed her Bachelor of Biological Sciences and Master of Biomedical Technology at the University of Calgary. She then received her Doctor of Dental Surgery from the University of Alberta.

She enjoys all areas of dentistry and is dedicated to personalized and collaborative patient care. Her attention to detail and ability to communicate easily with her patients ensures that they are fully involved in every step of their treatment plan.

In her spare time, she enjoys the outdoors and traveling – especially to new places.  Her most recent adventures have been to Jamaica, Japan and Korea. 


Adeela Nematullah

Board Certified General Dentist

Dr. Nematullah is a general dentist who prides herself in providing conscientious dental care. She graduated with a Bachelors in Health and Sciences from McMaster University in 2006. She then received her Doctorate of Dental Surgery from the University of Toronto in 2010. After graduation, she moved to Edmonton with her husband to start her career and her family. When not in the office, Dr Nematullah and her young family enjoy traveling. Their most recent trip was having fun in the sun in Hawaii.


Jerry Thomas, BDS, MDS

Board Certified General Dentist

Dr. Jerry Thomas graduated in 1991. After graduation he furthered his studies and training at the University of Alberta Hospital in Edmonton, completing the multidisciplinary general practice residency (GPR) both junior and senior in 1995-97. He continued at the hospital teaching advanced clinical dentistry to the GPR residents from 1997- 2010, during which time he was assistant clinic director of the hospital dental program and an associate professor at the U of A dentistry program. During this time he maintained his clinical practice at the hospital treating complex pediatric, geriatric, medically compromised and emergency dental patients both under local and general anesthesia. He has also been to parts of Africa on mission trips to deliver treatment to the much needed communities there. 

Dr. Thomas has a strong passion for dental surgery whether it is simple or difficult extractions, complicated wisdom teeth surgery or dental implants. He is certified in providing oral conscious sedation for patients who might need a bit of extra TLC. He takes pride in providing the best dental care in an ethical, comfortable and caring manner. Staying abreast of the latest trends and advances in dentistry is very important to him.

Dr. Thomas serves the communities of Calgary, Edmonton, Spruce Grove and La Crete, Alberta. His passion is photography and music. Family is at the heart of everything he does and he loves spending time with his three kids.

Professional Memberships Include:

  • Alberta Dental Association & College
  • Canadian Dental Association


Mohamed Javaid, MSC, Dip. Perio, FRCDC

Board Certified Periodontist

Dr. Mohammad Ahmad Javaid or “Dr. Mo” as his patients and colleagues like to call him, was born and raised in Lahore, Pakistan. He completed bachelor of dental surgery from University of Health Sciences Lahore, Pakistan. Following completion of graduate dental program, Dr. Javaid, completed one year house job (general dentistry residency) at FMH College of Medicine and Dentistry, Lahore, Pakistan. He then spent the next 15 months serving the local community as a general dentist. To further his knowledge in basic sciences and research, Dr. Javaid completed Master in Dental Sciences from McGill University, Canada. During his time at McGill University, Dr. Javaid, received numerous awards including three Graduate Excellence Fellowship Awards. Following completion of the aforementioned graduate program, Dr. Javaid then embarked on the journey for clinical excellence and enrolled in Diploma in Periodontics, a three year clinical residency program with focus on advanced surgical techniques in Periodontics and Implant dentistry, at The University of British Columbia, Canada. Simultaneously, he also started his second Master Degree in Craniofacial Sciences at The University of British Columbia. While at The University of British Columbia, Dr. Javaid, won Joseph Tonzetich Scholarship and George S. Beagrie Scholarship. He was also among the elite group of residents who won UBC DMD Graduate Teaching Assistant Award twice. During his training, Dr. Javaid sat for the American Academy of Periodontology In Service Exam (an exam which is taken by Graduate Periodontics Residents from across North America) and was ranked among the top 1% of all the residents in the North America. 

The clinical residency program together with the research training at McGill University and University of British Columbia, has the laid the foundation for his quest for lifelong learning. Dr. Javaid is a strong believer in continued growth and professional development. He endeavors to extend research work carried out in basic sciences and public health to clinical practice and thereby contribute in evidence-based dentistry. He has also cleared the Fellowship of Royal College of Dentists Canada (RCDC) Exam in Periodontics and is a Fellow – Elect with the RCDC. He has published many articles in peer reviewed international journals, contributed to Canadian Dental Association Blog and has been an author of multiple book chapters in internationally published books in the field of periodontics and implant dentistry.

Outside his professional activities, Dr. Javaid enjoys living a healthy lifestyle and lifting weights. However his most cherished possession is his relationship with his family, patients, friends and colleagues. 

Dr. Javaid looks forward to meeting you and providing your family the best of periodontal care in a friendly environment.

Professional Memberships Include:

  • American Academy of Periodontology
  • Canadian Academy of Periodontology
  • British Columbia Dental Association
  • Canadian Dental Association
  • Alberta Dental Association and College


Joshua Schaefer, DD

Board Certified Denturist

Josh Schaefer is our resident Denturist, who graduated from NAIT with a Diploma of Denturism. He has specialized training in restoring people’s mouths and smiles with removable prosthetics.  If you require a new denture or maintenance of your existing denture, you’ll have the pleasure of meeting him.  

“In my free time I enjoy being physically active, spending time with my friends and family, and traveling. I'm happy to be working with this team of awesome dental professionals. With their help I'm excited to provided our patients with the highest level of care. I'm eager to see new or existing patients and help them restore their smiles!”

David Bondar, DDS

Board Certified General Dentist

Dr. David Bondar has been practicing dentistry for over 34 years after graduating from the U of A in 1981. Any of Dr. Bondar’s patients will know he loves clinical dentistry from his enthusiasm at the chairside. He especially loves the rewards of restorative dentistry.

Dr. Bondar has been with his life partner Teresa for close to 10 years. They love to spend time at their lake house and in the colder weather, Phoenix.

His hobbies include hunting, fishing, and reading. Dr Bondar belongs to numerous study clubs including being an original member of the multidisciplinary study club, established here in Edmonton.