William Prusin

Full Name:
William Slade Prusin
Registration Number:
Current Status:
  • Oral & Maxillofacial Surgeon

Concerns, Conditions and/or Professional Misconduct

Practice Information


Primary Practice

919 Ellesmere Rd #202 Scarborough, ON, CA M1P 2W7
(416) 751-4842
Sedation & Anesthesia Facility Permit:
CT Scanner Facility Permit:
View Facility Permits
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All Practice Locations

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Professional Corporation Information

  • Dr. Prusin Dentistry Professional Corporation 919 Ellesmere Rd #202 Scarborough, ON, CA M1P 2W7 Phone: 416-751-4842
    Certificate of Authorization Status:
    Certificate of Authorization Issuance:
    March 18, 2021
  • Dr. Prusin Dentistry Professional Corporation 919 Ellesmere Rd #202 Scarborough, ON, CA M1P 2W7 Phone: 416-751-4842
    Certificate of Authorization Status:
    Revoked - Corporation Not Renewed
    Date of revocation:
    March 01, 2021
    Certificate of Authorization Issuance:
    February 14, 2006

Academic Information


Specialty Training

Boston University, United States

Dental Degree

University of Illinois at Chicago, United States

This may not be a complete record of the member's academic information or continuing education.

Certificate(s) of Registration


Current Certificate(s) of Registration and Date(s) of Issuance

Specialty - Oral & Maxillofacial Surgeon

Previous Certificate(s) of Registration

Specialty - Oral & Maxillofacial Surgeon

Initial Date of Registration

Other License(s)


Current Dental License(s)

United States - Florida
United States - Illinois
United States - Massachusetts
United States - New York

Sedation & Anesthesia Details


Sedation Administration Authorization

Deep Sedation - General Anesthesia

Allowed to act as a visiting provider?


Complaints & Reports Outcomes


Case File: 22-0281

Decision Date:
April 22, 2024


As a result of a complaint, the Inquiries, Complaints and Reports Committee decided to caution Dr. William Slade Prusin as follows:

• Before initiating treatment, the Dentist must ensure that he has obtained the patient’s informed consent to the treatment. As part of that process, the patient must be provided with the information regarding the diagnosis, the nature and purpose of the proposed treatment along with the risks and benefits of such treatment, the treatment alternatives available along with the associated risks and benefits, the likely consequences of not having the treatment, and the cost of each treatment option. Although either verbal or written consent are both legally acceptable, it is advisable to confirm verbal consent in writing where risks are significant. Regardless of whether the patient consents in writing or orally, the dentist should keep a detailed record of the nature of the conversation, the information provided, and the patient’s decision.

• To reflect upon his pattern of non-compliant behavior and take seriously the previous advice he has received about his informed consent practices and the legibility of his records. Clear, accurate, and up-to-date patient records are essential to the delivery of high quality care. He must incorporate the advice he has previously received into his practice. Any similar conduct in the future will likely lead to more serious outcomes.

Specified Continuing Education or Remedial Program

Required Course
A didactic, one-on-one course in Implant Dentistry, including:
o Diagnosis and treatment planning
o Case selection
o Implant design and selection
o Prosthetic design
o Occlusal considerations
o Material selection
o Principles of osseointegration
o Indications and contraindications for implant dentistry
o Appropriate imaging including use of CBCT
o Diagnostic records and case work-up
o Use of surgical and radiographic guides
o Interdisciplinary communication, when to refer to a specialist and associated referral protocols
o Implant success, survival and failure including maintenance and follow-up
o Diagnosis and management of peri-implantitis
o Associated recordkeeping and informed consent
o A review of the College’s Guideline “Educational Requirements and Professional Responsibilities for Implant Dentistry”
o Focus on the partially edentulous patient
o Focus on implants in the esthetic zone
o Tissue augmentation
o Understanding compromised treatment
o An evaluative component

Discipline Results


Case File: H080001

Date of Decision:


  • Contravened the standards of practice in relation to inducing general anaesthesia or conscious sedation


  • $3500 to be paid to College
  • Imposed Course/Training Jurisprudence and Ethics
  • Imposed Practice Monitoring (office visits) for 24 months following completion of course
  • Reprimand
  • Suspension 1 month - effective Feb 01, 2009 to Feb 28, 2009
(See link to Decision Summary)

Decision Summary

This information was obtained from the register of the Royal College of Dental Surgeons of Ontario (www.rcdso.org)