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Your Trusted Dental Care Partner in St. Catharines
Harbourside Dental has been serving the St. Catharines and Port Dalhousie communities since 2016, building on a legacy established by Dr. Frank Korody in 1978. Our practice combines decades of clinical expertise with a patient-centered philosophy, offering comprehensive dental care tailored to individual needs. We prioritize open communication, thorough education about treatment options, and personalized care plans to ensure optimal oral health. Our team of experienced dentists and hygienists maintains a calm, welcoming environment where patients feel heard and valued. We utilize modern technology like digital X-rays and preventive screening tools to deliver efficient, accurate diagnoses and treatments.

From routine cleanings to restorative and cosmetic procedures, we are committed to addressing the full spectrum of dental health needs. Our continuity of care, consistent fees, and emphasis on community relationships reflect our dedication to long-term patient trust. We believe in proactive oral health management to minimize future interventions and promote lasting wellness. Our staff's extensive experience, including decades of combined service in Niagara Region, reinforces our reputation for reliable, compassionate care. Whether through regular checkups or specialized treatments, we strive to make every visit comfortable and informative for patients of all ages.
Services
Comprehensive Exam Preventive Services Restorative Procedures Cosmetic Procedures Full Dentures Partial Dentures Hygiene Appointments Fluoride Treatments Nightguard Therapy
Highlights and features
  • We provide personalized treatment plans tailored to individual dental needs.
  • Our team combines decades of local experience with modern dental technology.
  • We emphasize patient education to ensure informed treatment decisions.
  • We maintain consistent fees and service quality since 2016.
  • Our flexible hours accommodate patients before and after work or school.
Services
Comprehensive Exam
Our comprehensive exams include medical history review, oral cancer screening, digital X-rays, and periodontal evaluation to create personalized treatment plans. We examine bite alignment, tooth decay, and TMJ function to address all aspects of oral health. This thorough assessment helps prevent future dental issues through early detection and patient education.
Preventive Services
We offer hygiene appointments, fluoride treatments, sealants, and desensitization therapies to maintain optimal oral health. Our hygienists clean hard-to-reach areas, provide home care education, and use preventive measures to reduce decay risk. Regular cleanings and checkups help maintain dental wellness while minimizing future interventions.
Restorative Procedures
Our restorative services include fillings, root canals, crowns, bridges, and implants to repair damaged teeth. We use tooth-colored composites, porcelain restorations, and durable materials to restore function and aesthetics. These treatments address decay, cracks, and missing teeth while preserving natural tooth structure.
Cosmetic Procedures
We provide Zoom whitening, veneers, bonding, and Invisalign to improve smile appearance. These treatments address discoloration, gaps, misalignment, and shape irregularities using advanced techniques. Our cosmetic services combine aesthetic artistry with functional dental science for natural-looking results.
Full and Partial Dentures
We offer customized full and partial dentures to replace missing teeth and restore oral function. Our prosthetics are designed for comfort, durability, and natural appearance. We also provide implant-supported denture options for enhanced stability and chewing efficiency.
People
Dr. Mark Poustie
Family Dentist
Dr. Poustie graduated from the University of Western Ontario with a Doctorate of Dental Surgery. He combines clinical excellence with compassionate care, emphasizing patient communication and personalized treatment. With over 15 years in the Niagara region, he maintains a gentle approach while prioritizing long-term dental health.
Dr. Frank Korody
Family Dentist
Dr. Korody received his dental degree from the University of Toronto in 1978 and served as Niagara Peninsula Dental Association president. He practices comfortable, health-centered dentistry with advanced techniques while maintaining a listening, patient-focused approach to treatment planning.
Shannon
Office Manager
Shannon transitioned from veterinary management to dental administration in 2016, bringing organizational expertise. She ensures smooth office operations and patient comfort, leveraging over 15 years of healthcare management experience to coordinate dental care services efficiently.
Dianne
Registered Dental Hygienist
With over 40 years in dentistry since 1982, Dianne provides gentle hygiene care and patient education. Formerly a clinical teacher at Niagara College, she combines technical skill with compassionate service to address patients' preventive needs across all age groups.
Nicole
Registered Dental Hygienist
Nicole graduated from Niagara College's dental hygiene program in 2013 after starting in dental assisting. She brings 10 years of clinical experience, focusing on preventive care and patient education with a gentle, personalized approach to hygiene treatment.
Questions
What dental services do you offer?
We provide comprehensive services including exams, cleanings, fillings, root canals, crowns, dentures, whitening, and Invisalign. Our focus covers preventive, restorative, and cosmetic dentistry for all ages.
Do you accept dental insurance?
Yes, we accept insurance and process claims as a courtesy to help maximize your benefits. Payment options include major credit cards, debit, cash, and direct billing.
How can I schedule an appointment?
Request appointments online through our website or call us directly at (905) 937-1515 during business hours for immediate assistance with scheduling.
Are emergency dental visits available?
While we don't list specific emergency hours, we recommend contacting our office promptly for urgent dental concerns to receive appropriate care guidance.
What payment methods do you accept?
We accept Visa, MasterCard, Debit, Cheque, Cash, and Insurance payments. Our team helps process claims to simplify your financial experience.
Do you offer teeth whitening services?
Yes, we provide both in-office Zoom whitening and custom take-home whitening kits for effective, professional teeth brightening solutions tailored to your schedule.
Reviews (6)
Georgi Haner
Jan 23, 2022 Report
When Mark Poustie moved from Hamilton to St. Catharines, I chose to go with him. Very happy with my decision. Found the staff in St. Kits to be as wonderful as I was used to in Hamilton. One of the better choices I have made. Thoughtful and caring staff have only cemented my decision to move. "Mark" is still the best!!!!
Tony Nunes
Dec 01, 2021 Report
Excellent dental service: very professional, personable, great communication and information-sharing, and great results!
Peter Bodnar Rod
Nov 24, 2021 Report
A great and caring team. A very comfortable environment. Lots of useful reminders and no pressure to undergo any procedures not deemed essential. Highly recommend!
David Dudok
Nov 20, 2021 Report
5 star office all the way!!! Mark and team have done wonders for my dental health and appreciate all their hard work. Staff is courteous and friendly and great with myself and kids. Highly Recommend.
Irene Greenfield
Nov 14, 2021 Report
Amazing and knowledgeable staff. If you are looking for smooth, easy dental care, I highly recommend Harbourside.
Jordan Campbell
Sep 24, 2021 Report
Professional, clean comfortable and friendly. I had been going to the same dentist who was a family friend for my entire life but traveling to Brampton for dentists appointments were no longer feasible. That being said I was nervous I wouldnt be able to find a dentist that could make me feel as comfortable. I was wrong. I highly recommend Harbourside dental. Their entire team is top notch!