All your dental needs
at Complexe Desjardins

Complexe Desjardins dental center

All your dental needs
at Complexe Desjardins

Your teeth are important. Contact us
examen dentaire

Emergency Dentist in Montreal

Welcome to Dr Lachance Dental Center

Dr. Lachance dental center and partners.

Are you looking for a dentist in downtown Montreal? Dr. Lachance and Partners dental center has maintained high quality care within the Complexe Desjardins since 1978.
Together we provide sophisticated care and the latest technology for all your oral health needs. Whether it is for dental cleaning, a crown or advice on your dental hygiene, our team will help you.

Ask for a consultation

Our Dental Services


We will be able to administer certain orthodontic treatments or direct you to an orthodontist. An orthodontist is a dentist with a postgraduate degree specializing in orthodontics. This is the specialty of dentistry that deals with the prevention and correction of malocclusions. Contact us for an evaluation.

Oral surgery

Dental extraction, gum additions (bone grafting), missing bone additions (bone grafting) missing in weakened teeth, dental infection controls sometimes require dental surgery procedures.
Our experienced team members will be able to support you in your decisions.

Root Canal

It is possible that a tooth decay, a deep old filling or a fracture line are very close to the nerve of the tooth. The dental nerve can then suffer from repeated stimulation which can damage it in a non-reversible way. The center of the tooth will then have to be cleaned (root canal treatment) and the tooth covered most of the time with a solid restoration (filling or porcelain covering) to avoid a fracture.


Several missing tooth replacement treatments are available today.
Dental implants are now an advanced form of care to replace missing teeth.
They complement other methods of replacing missing teeth such as dental bridges or removable prostheses.
For all your implantology care we will be happy to follow the strictest protocols for planning and implementing a variety of dental implants as needed

Dental Exam

A dental exam is essential for maintaining your oral health.  You dentist is the only one that can provide this service.
The dentist will look inside your mouth.  You might not realize that an exam is taking place and perhaps you thought that the dentist was simply checking the work done by the hygienist. The dentist checks inside your mouth to see if anything can affect your oral health – and your health in general.
We will always be available for a summary or in-depth review of your oral health.


We offer a teeth whitening service in downtown Montreal. Our instruments and treatments are at the cutting edge of technology. Ask us for an estimate and we will be happy to provide it for you.

Dental care for your child

We are happy to provide quality care for the whole family. We work in concert with orthodontists affiliated with our center and a team of dentists specialized in the care of toddlers.
Contact us for all your needs, we will be happy to receive you and serve you according to your needs.

Dental Emergencies

A dental emergency can happen any time.
Whether it is a toothache, a fracture, sudden swelling, laceration following a fall, unexplained and intense or chronic pain, in general the dental emergency should be treated.
It can also be a temporal emergency to accomodate expiration of your insurance cover.
Contact us for all your needs we will be happy to receive you the same day if we can.

Our Dentists

Dr Vassal Valai

Dr Vassal Valai

Dr. Valai has been practicing dentistry for almost twenty years.
He studied microbiology and immunology at the University of Montreal and then obtained a doctorate in dental medicine from Laval University. He then pursued post postdoctoral studies through a residency in Rochester, NY then a post doctoral program in dental implantology in New York, NY.
He holds the American National Board, the Northeast Regional Board of the United States as well as the Canadian National Board. He is a member of the Order of Dentists of Quebec.
Dr. Valai practices in many aspects of dentistry. He will provide you with the most advanced techniques of the profession adapted to your individual needs.



Dr Vassal Valai

Dental Surgeon
Dr Jean Pierre Masson

Dr Jean Pierre Masson

Dr jean pierre Masson is a specialist in Periodontics. After obtaining his doctorate in Dental Medicine from the University of Montreal Dr Masson pursued specialized post-doctoral studies at the University of Toronto in Periodontics. He specializes in gum and tissue support for your teeth.
He can help you diagnose and treat all diseases of the gums and bone support of your teeth.
Loose or movable teeth can benefit from stabilization and restoration of the missing gum through appropriate care, which you can discuss with him with confidence.


Dr Jean Pierre Masson

Dr Jean Lachance

Dr Jean Lachance

Graduated with a doctorate in dentistry from the University of Montreal, Dr Jean Lachance created the Complexe Desjardins dental clinic 38 years ago. He is a member of the Order of Dentists of Quebec and has been practicing in the office since its creation.
He maintains a dental family practice with an emphasis on the restoration by bridges and crowns of dilapidated or missing teeth.
He works with a team of quality specialists to whom he can direct you in due course if necessary.


Dr Jean Lachance


Informez vous auprès de notre bureau dentaire

Why choose us as your dental center

24H Emergency services


25 years
of experience


Effective analgesia


Top-notch service


Compatible with most insurance


Flexible payment option


Demander une consultation à notre centre dentaire

    Testimonials from our patients

    I had a dental emergency and I went to see this clinic. I do not regret my choice. Thanks again!

    Rosa R. Montreal

    I give a score of 10 out of 10 to Dr Lachance and his team.

    Leticia C. Montreal

    Thank you again for your courtesy and your professionalism. Everyone compliments my smile thanks to you!

    Cynthia B. Longueil

    I have been patient here for over 20 years. I would like to thank you for all what you have done for me and my family.

    Benjamin H. Montreal

    Outstanding service! Congratulations again to your team.

    Stephanie T. Montreal

    Contact Us

    Complexe Desjardins complexedesjardins.com 150 Sainte-Catherine St,
    Montreal QC H2X 3Y2 .
    (514) 845-7121