Our Team

Meet our Dedicate Team

Royals smiles Dental clinic have qualified and dedicated team that will always be there for your dental issues.

BDS (U.O.N), MScD-Endodontics (Philippines) Cert. Implantology

Dr. Simiyu Benjamin Nyongesa.

Dr. Simiyu is one of the few Endodontists practising in Kenya and East Africa. He completed his master’s degree program with a specialization in Endodontics at the University of the East, Philippines (2019). 


He earned his BDS degree in 2010 at the University of Nairobi, Kenya. Dr. Simiyu has received numerous international awards including the 2010 David B. Scott Fellowship from the International Association of Dental Research (IADR) and the 2019 University of the East Presidential award: Certificate of Recognition for exemplary performance in interschool competitions, Manila Philippines.


He continues to lecture at the University of Nairobi, School of Dental Sciences and has published several articles in peer-reviewed journals nationally and internationally.


Dr. Simiyu Benjamin Nyongesa is the Director of Royal Smiles Dental Clinic Ltd.


Areas of specialization:

His major areas of scientific research interest include Regenerative endodontics and vital pulp therapy, Endodontic Microsurgery,, Endodontic therapy outcome and epidemiology, Endodontic materials and applications, Root canal morphology, instruments, and materials science. 


Since 2012, Dr. Simiyu is a Reviewer for the Journal of Medical and Health Sciences Research (USA) and Indian Journal of Dental Research (India).


He maintains a private practice limited to microscopic Endodontics in Nairobi, Kenya.


BDS (University Of Nairobi)

Dr. Gladys Maina.

A Dental Surgeon and a General practitioner with over 10 years’ experience with a keen interest in aesthetic dentistry. With a wealth of experience, Dr Maina has worked in several private dental working closely with specialists from other fields of dentistry to provide wholesome care all under one roof. Incorporating modern technology and teaching to guarantee the best care possible for all dental patients. 


Dr. Gladys Maina is the Director of Royal Smiles Dental Clinic Ltd.


Areas of specialization:

She is a holder of a Master’s in Public Health from the University of Nairobi. Certificate Course – Introduction to orthodontics -2017. Holds an Executive Certificate in Managing Healthcare Businesses (MHB) at Strathmore Business School attained in 2017.

B.D.S University of Nairobi (2012)

Dr. Muthee Tony.

Dr. Muthee Tony is a fully certified Dentist at Royal Smiles Dental Clinic Ltd, Garden City Branch


BDS The International University of Africa, Khartoum, Sudan (2017)

Dr. Fatuma Zahra Abdi.



Dr. Fatuma Zahra Abdi is a fully certified Dentist at Royal Smiles Dental Clinic Ltd, Ruaka Branch

Dental Surgeon (BDS)

Dr. Stephanie Chesire.

Dr. Stephanie Chesire is a fully certified Dentist at Royal Smiles Dental Clinic Ltd, Nextgen Mall Branch.

She has over 6yrs of experience and still practising

BDS University of Nairobi

Dr. Teresia Kangethe.



Dr. Kangethe believes a healthy mouth is a cornerstone to a beautiful smile and each patient has unique needs which should be treated uniquely.


Having an artistic mindset, she utilizes creativity and her passion for music to add an extra touch of passion and artistry to her dental work. Her constant commitment to providing the best in patient satisfaction is key to her strong patient-doctor relationships. She is determined to give you the smile you’ve always desired.


GENTLE, PROFESSIONAL, PASSIONATE is what best describes her. 


Born and raised in Nairobi, she attended Loreto Girls, high school Limuru and thereafter received her degree in Dental Surgery (BDS) from the University of Nairobi.

Dr. Kangethe believes that education should not end with her receiving a doctorate degree. She is committed to staying current with the latest technologies and advances in dentistry by attending as many continuing education courses and workshops.



Dr. Teresia Kangethe is a fully certified Dentist at Royal Smiles Dental Clinic Ltd, Ruaka Branch



MedicalPractiotioners and Dental Council (MPDC)

Kenya Dental Association (KDA)


If she wasn’t practising as a Dental Surgeon, she would be a pianist, something she currently does in her spare time.

BDS University of Nairobi

Dr. Kimaiyo Erick Kibet

A Qualified dental surgeon with tested and demonstrated skills, know-how and expertise in caring for all age patients presenting with a varied oral health condition, knowledgeable about oral, head and neck diseases, injuries, malformations and tumours of mouth, jaws and neck. Their related symptoms, appropriate treatment plans, modalities of investigations and tailored interventions. Knowledgeable about drug prescriptions modalities and interventions in cases of adverse reactions. Ability to manage multidisciplinary patients, for instance, those with oral problems alongside other debilitating systemic health conditions. Proficient in manual and digital dental imaging, interpretation and their associated storage software/hardware.


Experience in the management of patients in post-surgical care wards, Accidents and Emergency departments. Equipped with tested Basic life support.


Well informed about different religions and their concept of medicine and the ability to be sensitive in the same regard.