Mrs Zelda Wiese

Principal Dentist
BChD (University of Pretoria), MSc Clinical Periodontology (UCLan)
GDC Number: 74364

Mrs Zelda Wiese is the Principal Dentist at Cottenham Dental Practice and NHS Provider at both Cottenham and Upwell Road Dental Centre. With over 25 years of clinical experience, she is committed to delivering high-quality dental care with a strong focus on patient comfort and long-term oral health.

Zelda qualified as a dentist in 1998 from the University of Pretoria in South Africa. She later completed a Master’s degree in Clinical Periodontology at the University of Central Lancashire (UCLan) in the UK, reflecting her special interest in gum health and periodontal treatments.

Known for her gentle and thorough approach, Zelda is passionate about helping patients maintain healthy smiles and believes in evidence-based, preventative care. She takes pride in building trusting relationships with her patients and delivering tailored treatment solutions.

Ms Joanna Cacoilo

Associate Dentist
LMD (Portugal)
GDC Number: 155590

Ms Joanna Cacoilo is an Associate Dentist at Cottenham Dental Practice. With over 15 years of clinical experience, she brings a calm, caring, and patient-focused approach to her work.

Joanna qualified with a Licentiate in Dental Medicine (LMD) in Portugal in 2007 and registered with the General Dental Council in 2009. She has a special interest in endodontics (root canal treatment) and has undertaken additional postgraduate training to provide more advanced care in this field.

In addition, Joanna is a certified provider of Invisalign Lite®, offering discreet orthodontic solutions for patients looking to improve their smile with minimal impact on daily life.

She is known for her reassuring manner and dedication to delivering high-quality, personalised treatment that puts patients at ease throughout their dental journey.

Mr Jonathan Harper

Associate Dentist
BDS (University of Bristol, 2013)
GDC Number: 245218

Mr Jonathan Harper is a part-time Associate Dentist at Cottenham Dental Practice and Upwell Road Dental Centre. He qualified from the University of Bristol in 2013 and has been registered with the General Dental Council since the same year.

Jonathan has a special interest in Endodontics (root canal treatment) and Restorative Dentistry, with a focus on preserving and rebuilding natural teeth using modern, evidence-based techniques.

Patients appreciate his calm, attentive approach and commitment to delivering high-quality, patient-centred care. Jonathan is passionate about continuous professional development and regularly attends courses to stay current with the latest advancements in dental treatment.

Dr Pedro Cabral

Implant Dentist
MD, LMD, MSc, Diploma in Implant Dentistry

Dr Pedro Cabral is an experienced dental surgeon with advanced qualifications in implant dentistry and oral surgery. He brings a high level of clinical expertise to Cottenham Dental Practice, offering modern, reliable solutions for replacing missing teeth and performing complex surgical procedures.

With dual degrees in medicine and dentistry, Dr Cabral has also completed Master’s degrees in several areas of dentistry and holds a postgraduate Diploma in Implant Dentistry — demonstrating his commitment to excellence in both surgical precision and restorative outcomes.

Dr Cabral is passionate about helping patients restore function, confidence, and aesthetics through implant-based treatments. Known for his calm and meticulous approach, he ensures patients feel informed, comfortable, and fully supported throughout their treatment journey.

Dr Sophia Bergman

Dentist with Special Interest in Gerodontology & Facial Aesthetics
DMD, MSc (Gerodontology)

Dr Sophia Bergman is a compassionate and highly skilled dentist with a Master’s degree in Gerodontology — the specialized care of older adults. At Cottenham Dental Practice, she offers tailored dental treatment plans designed to meet the unique needs of each patient, including those with complex medical histories or cognitive conditions.

In addition to her expertise in geriatric dentistry, Dr Bergman also provides facial aesthetic treatments, including Botox. These minimally invasive procedures are carefully delivered to enhance natural features, reduce fine lines, manage conditions like excessive teeth grinding (bruxism) or gummy smiles, migraines and support patients’ confidence in their appearance.

With a Doctor of Dental Medicine (DMD) degree and extensive postgraduate training, Dr Bergman is dedicated to improving her patients’ quality of life through gentle, respectful, and age-appropriate care.

She is known for her empathetic and attentive approach, taking the time to build strong relationships with patients and their families, ensuring comfort and dignity at every step.

Ms Theodora Dimitrova

Associate Dentist
LMD, Certified Invisalign Provider

Ms T. Dimitrova is an Associate Dentist at Cottenham Dental Practice with a strong focus on patient-centred, modern dentistry. She holds a Licentiate in Dental Medicine (LMD) and is a certified Invisalign® provider, offering discreet orthodontic treatment to help patients achieve straighter, healthier smiles.

T. Dimitrova is passionate about minimally invasive, aesthetic dentistry and is dedicated to providing personalised care that combines clinical precision with patient comfort. Her calm, friendly manner makes her especially popular among patients seeking cosmetic or alignment treatments.

She continues to expand her knowledge through ongoing professional development and stays up-to-date with the latest advancements in digital and orthodontic technologies.

DENTAL THERAPIST AND HYGIENIST

Haritha Shaju

Dental Therapist

Haritha Shaju is a dental therapist at Cottenham Dental Practice. Originally qualified as a dentist in India, Haritha has successfully registered as a dental therapist in the UK. She brings a broad skill set and a comprehensive understanding of dental care, focusing on preventive treatments, oral hygiene education, and patient comfort. She also works closely with patients to remove plaque and tartar, provide professional cleanings, and offer advice on maintaining healthy gums and teeth.

Haritha is passionate about helping patients maintain healthy smiles through tailored care and gentle, effective therapy.

Tia Morgan

Dental Hygienist
University of Essex, 2023

Tia Morgan is a compassionate and dedicated dental hygienist at Cottenham Dental Practice. Graduating from the University of Essex in 2023, she is committed to promoting excellent oral health through thorough cleanings, plaque removal, and personalised patient education.

Tia works closely with patients to maintain healthy gums and teeth, offering practical advice to support effective daily oral hygiene. Her friendly and gentle approach helps patients feel comfortable and confident during their visits.

ADMINISTRATION

Jodie Peacock

Senior Dental Nurse & Administration

Jodie Peacock is a valued member of the Cottenham Dental Practice team, serving as Senior Dental Nurse and handling key administrative responsibilities. With extensive experience in dental nursing, Jodie plays a crucial role in ensuring smooth clinical operations and providing compassionate support to patients throughout their visits.

Her friendly and organized approach helps maintain a welcoming environment, making sure every patient feels comfortable and cared for from the moment they arrive.