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Das Team

The team

the team

Hand in hand for your treatment success:
Our team consists of experienced orthodontists and practice staff.
We not only work well, but also gladly for you!

Dr. Simone Linden

Dr. Simone Linden

Specialist dentist for orthodontics

After taking up a double degree in human and dental medicine at the University of Düsseldorf, she focused entirely on dentistry from the time of her medical examination. After her license to practice dentistry, she continued her education to become a specialist in orthodontics, which she completed at Münster University Hospital and in the local practice. She has been a member of the permanent treatment team in our practice since 2012, and joined the practice as owner in 2021.


- certified specialist for lingual treatment with the WIN appliance
- certified specialist for lingual treatment with Incognito appliance
- certified specialist for treatment with removable transparent splints

In her free time she enjoys sports and loves to travel the world.

Memberships and engagements
BDK, Professional Association of German Orthodontists
DGKFO, German Society for Orthodontics 
WFO, World Federation of Orthodontists

Dr. Achim Nesselrath

Dr. Achim Nesselrath

Doctor and dentist for orthodontics

He studied medicine and dentistry at the Universities of Aachen, Bern (Switzerland), San Antonio, Texas (USA) and Rio de Janeiro (Brazil). After working as a dentist in a practice for two years, he was a resident in maxillofacial surgery at the University of Cologne. He received his specialist training as an orthodontist at the Humboldt University in Berlin and in a specialized practice.


- certified specialist for lingual treatments by DGLO
- certified myofunctional therapist by DGMFT
- Diplomate of the German Board of Orthodontics and Orofacial Orthopedics
- Expert in the Federal Joint Committee (G-BA)
- Expert witness (professional association of orthodontists, professional association, health insurance companies)
- National and international lecturer on continuing education
- Author of reference books
- Numerous publications in the press
- Establishment and own practice since 1998
- Authorization to train orthodontists since 2003

Dr. Nesselrath is married and has 2 children.

Memberships and commitments
Professional Association of German Orthodontists (Federal Board 2005-2011, State Board 2002-2011, Chairman Düsseldorf since 2001)
German Board of Orthodontics and Orofacial Orthopedics (Board 2010-2014)
DGKFO German Society of Orthodontics
DGLO German Society for Lingual Orthodontics

Dr. Gabriella Németh

Dr. Gabriella Németh

Specialist dentist for orthodontics

Ms. Németh completed her studies at Semmelweis University in Budapest and passed her specialist orthodontist examination in 2015. In 2016, she moved to Düsseldorf, where she worked as a salaried orthodontist in a dental clinic from 2017 to 2025. As a mother of a son, family plays a very important role in her life. She also enjoys discovering new cultures, has a passion for art, and loves classical music.


  • Certified specialist for treatment with removable clear aligners.

Melissa Oselka

Melissa Oselka

Office and appointment management


Ms. Oselka has been working in the dental field for over ten years. With great attention to detail and a strong sense of organization, she takes care of appointment scheduling and administrative tasks in our practice. Her warm, friendly, and humorous manner ensures that our patients feel welcome and well cared for from the very first moment. In her free time, she is a loving mother of two daughters and enjoys spending time with her family.

Katharina Blatt

Katharina Blatt

Office and appointment management


Ms. Blatt's path to our practice led her through an apprenticeship at TÜV Nord as a businesswoman for office management and several years of work in a notary's office. With a lot of commitment, she quickly familiarized herself with her new tasks. She manages everything around the appointments. 
In her spare time she devotes herself to photography and digital post-processing of photos as well as playing table tennis.

Mehtap Yazir

Mehtap Yazir

Orthodontic specialist assistant


Ms. Yazir did her training as a dental assistant in our practice and then successfully obtained certification as an orthodontic specialist assistant. She is a dental instrument reprocessing specialist and our hygiene officer.
Ms. Yazir manages all patient treatment procedures and is our expert in invisible treatment techniques such as aligners (Invisalign®) and lingual techniques (Incognito®).
After work, Ms. Yazir first relaxes. Her great passions are sports, reading, cooking and her cats.

Mareen Borowetzke

Mareen Borowetzke

Dental assistant


Ms. Borowetzke did her training as a dental assistant in our practice. Even during her training, she was known for her sensitive approach to patients.
Ms. Borowetzke is well-versed in invisible treatment techniques such as aligners (Invisalign®) and lingual technology.
After work, Ms. Borowetzke's first order of business is sports. She finds relaxation best when strolling through fashion stores and boutiques.

Mohamed El Alaoui

Mohamed El Alaoui

Dental assistant


Mr. El Alaoui made the journey from Morocco to Germany to complete the training as a dental assistant in our practice - with success. He is a real all-round talent and works with heart and soul and a lot of humor. In his free time he likes to do sports.

Hoa Nguyen

Hoa Nguyen

Trainee dental assistant


Ms. Nguyen is originally from Vietnam and came to Germany to train as a dental assistant. In her free time, she enjoys traveling, reading novels and spending time in nature.

Duong Nguyen

Duong Nguyen

Trainee dental assistant


Mr. Nguyen made the long journey from Vietnam to Germany to complete his training as a dental assistant here. In his free time, he enjoys traveling and exploring the world. When he wants to relax at home, he prefers to watch action movies. 

Mete Ramantan

Mete Ramantan

Trainee dental assistant


Mr. Ramantan knew from an early age that he wanted to work in a profession centered around people.
He began his career in a general dental practice but soon found his passion in orthodontics. What inspires him most is not only the technical side of the field, but especially the opportunity to engage with patients of all ages. He is known for his warm, approachable manner, calm presence, and a strong willingness to continually learn and grow.

Engy Mousa

Engy Mousa

Trainee dental assistant


Ms. Mousa originally got to know our practice as a patient and was immediately fascinated by how each visit made her smile shine brighter. After completing an internship, she decided to begin her training with us as a dental assistant, a role to which she is fully committed with great enthusiasm. In her free time, she enjoys swimming or doing Pilates – the perfect balance to her workday in the practice.

Stefanie Struzik

Stefanie Struzik

Laboratory manager


After training as a dental technician, the mother of two children worked as a flight attendant and podiatrist for a long time before returning to her original profession. Today, Ms. Struzik manages our laboratory with great dedication and talent. After work, she enjoys spending time with her family, reading fantasy and science fiction novels and exploring the Bergisches Land region.