Meet the Best Dentists in Melbourne

At Bayside Smiles, we care about the dental and oral health of each of our patients, regardless of their age. To address their distinct needs, this Bayside family dentistry clinic has assembled some of the best dentists in Melbourne. Learn more each member of our elite dental team.

Dr-Magdalena-M-KoyDr Magdalena M Koy

BDS (Hons)

“My treatment philosophy is to provide a modern, holistic approach that is tailored to each individual’s requirements. I strongly believe that our dental health is closely related to our overall self-esteem and general well being. I therefore aim to utilize state of the art techniques to create long term results that feel great and look even better.”
– 
Dr Magdalena M Koy

Magda grew up in Bayside Melbourne and attended Star of the Sea and MacRobertson Girls High School. Magda then studied dentistry at the University of Sydney, graduating in 2000 with honours and receiving the medal for excellence in removable prosthodontics (dentures). Whilst studying, Magda also won a scholarship with Rotary to travel to Vietnam where she worked with the Australian Rotary Dental Team.

Magda then gained extensive experience in private practices in Perth and Sydney before moving to England to further her dental experience and travel widely. Magda has completed further study whilst in the UK with the prestigious British Society of Occlusal Studies, gaining advanced skills in treating bite and jaw joint problems. Magda has a number of special interests in dentistry – she loves treating children and helping anxious patients overcome their fears. Magda also has a passion for cosmetic dentistry, having completed continuing education in the USA with the American Academy of Cosmetic Dentistry.

Magda is married to Mike and lives locally with their three children Oliver, Lucy and Hugo.


Dr-Michael-D-LethamDr Michael D Letham

BDS (Hons)

“I aim to treat all of my patients as if they are family. As such, I strive to be caring, gentle and compassionate whilst always being thorough and meticulous. I love involving and educating my patients so they can make informed decisions about their dental treatment – and therefore have a healthy smile for life.” 
– Dr Michael D Letham

Mike established Bayside Smiles in 2006 in conjunction with his wife and fellow dentist Magda. Mike graduated from Sydney University in 2000 with Honours, receiving the R Morse Withycombe Prize for Proficiency in Clinical Periodontics (gum treatment). Mike worked throughout Australia and the UK gaining a broad range of experiences and knowledge, including active service in the Royal Australian Navy in the Persian Gulf.

Having now established his own practice, Mike’s goal is to provide high quality, long-term dental care to his patients over the next 20 years. Mike strives to provide a modern, holistic approach that is tailored to each individual’s requirements. His focus is on being thorough and meticulous whilst being caring and compassionate.

Mike is a member of the Australian Dental Association (ADA)Australian Osseointegration Society (AOS)Australian Society for Occlusal Studies (ASOS), Australian Prosthodontic Society (APS) and the International Team for Implantology (ITI).

Mike lives locally and has three young children Oliver, Lucy and Hugo.


Dr-Magdalena-WyszomirskaDr Magdalena Wyszomirska

BDSc (Hons)

“By combining my gentle, empathic dental care in a proficient manner I love seeing my patients achieve healthy mouths. Together we can kick some goals – dentally!” – Dr Magdalena Wyszomirska

Magdalena graduated from the Melbourne University School of Dental Science in 2007 as the dux of the year.

Following her graduation, she commenced a clinical internship program at the Royal Dental Hospital of Melbourne where she worked in several specialist departments including Oral Surgery, Periodontics (gum treatment), Endodontics (root canal treatment) and Fixed Prosthodontics (crown and bridgework) before moving to private practice on a full time basis.

Magdalena enjoys all facets of modern dentistry from simple every-day procedures to more complex interdisciplinary restorative treatment plans.

Magdalena strives to practice in a gentle and empathetic manner – using an evidence-based approach with a high level of technical proficiency.  She strives to help her patients achieve long-term, optimal dental health and beautiful smiles without fear or anxiety.

Magdalena is an avid sports fan, a skier, scuba diver and soccer fanatic being heavily involved with the Brighton Soccer Club as a player and a committee member.


Ms Mallory McDonald

BOH (Bachelor of Oral Health)

‘I strive for all of my patients to feel comfortable and cared for during their appointments. My hope is to provide you with gentle but thorough dental treatment, so we can achieve a healthy smile together.’ Mallory McDonald

Mallory grew up locally in Bayside where she attended St Leonard’s College, before going on to graduate as the top student from the Bachelor of Oral Health at the University of Melbourne. Since then, Mallory has had experience working in both private and public settings throughout Melbourne. As an avid traveler, Mallory has also volunteered her dental skills both in rural Australia and internationally.

Dually qualified as a dental hygienist and therapist, Mallory enjoys working with patients of all ages to help them achieve a healthy smile they can be proud of. With a strong focus on patient education, Mallory takes pride in ensuring her patients understand their oral condition and what we can do together to improve it.

Mallory appreciates that not everyone loves coming to the dentist, but hopes that she can work with you to make your experience as enjoyable as possible. She does this by employing a gentle treatment approach and working with you to overcome any concerns you may have.

Outside of work, Mallory loves to stay active and enjoys traveling – as an avid snow boarder, she loves traveling in search of great snow!


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