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Lesion Sterilization and Tissue Repair (LSTR) is a clinical treatment for primary molars with a pulpal diagnosis of necrosis or irreversible pulpitis. Added to the American Academy of Pediatric Dentistry Pulp Therapy Guidelines in 2020, this new treatment provides pediatric dental clinicians with another treatment option for primary molars. This course will provide evidence to support LSTR treatment, clinical protocols, case studies, and clinical pearls on the use of LSTR and antibiotic three-mix in pediatric dental practices.

Educational Objectives:

This lecture will help viewer better understand the evidence to support LSTR treatment, clinical protocols, case studies, and clinical pearls on the use of LSTR and antibiotic three-mix in pediatric dental practices.

CE Credit Units:


Level of skill recommended for participants:

Of interest to Dentists, Students & Residents, Dental Auxiliaries and Dental Office Staff

Refund Policy:

There are no refunds for CSPD Online CE courses. For any questions, please contact CSPD Executive Director, Paul Reggiardo, DDS, at 


Legal Disclaimer


The CE provider (CSPD) uses reasonable care in selecting and providing content that is accurate. However, the CE provider does not independently verify the content or materials. The CE provider does not represent that the instructional materials are error-free or that the content or materials are comprehensive. Any opinions expressed in the materials are those of the author(s) of the materials and not the CE provider. Completing one or more continuing education courses does not provide sufficient information to qualify the participant as an expert in the field related to the course topic or in any specific technique or procedure. The instructional materials are intended to supplement rather than substitute for the knowledge, expertise, skill and judgment of a trained health care professional.


Privacy Policy


The continuing education website of the California Society of Pediatric Dentistry is CSPD – Online Continuing Education. We respect the privacy of the user to the site. The Privacy Policy addresses our use of the information collected by virtue of your use of  CSPD – Online Continuing Education.

The information we collect on our website is used to improve the content and to advance our mission of exceptional online continuing education.

We may collect the domain name and the IP address of visitors to our and use statistical software to create aggregate and user-specific information on the pages that our users visit. Email addresses may also be collected from purchases and/or user registrations.

We use cookies that enable us to administer our website more effectively in the transmission of online education.

You have the right to contact us in any matters that pertain to your privacy and we will promptly correct inaccuracies that may appear.

We use industry-standard encryption technologies when transferring and receiving consumer data exchanged on our site. When users make payments via credit cards, we only submit the information needed to obtain payment to the appropriate clearinghouses. We do not store or reuse this credit card information unless you have given us your authorization.

CE Policy:

The California Society of Pediatric Dentistry (CSPD) is an ADA CERP Recognized Provider Approved by the American Academy of Pediatric Dentistry. ADA CERP is a service of the American Dental Association to assist dental professionals in identifying quality providers of continuing dental education.

ADA CERP does not approve or endorse individual courses or instructors, nor does it imply acceptance of credit hours by boards of dentistry. Concerns or complaints about a CE provider may be directed to CSPD at (916) 231-2142 or to ADA CERP at

Credit is awarded on an hour-for-hour basis. Each attendee should claim only those hours of credit that he or she was in actual attendance of the educational activity. Participants should retain course certificate of completion for their records.

Original Continuing Education Certificates are subject to Dental Board of California audit and should be retained by the licentiate for a period of six years. Completion of these courses does not constitute authorization for the attendee to perform any services that he or she is not legally authorized to perform based on his or her license or permit type. This course meets the Dental Board of California’s requirements for above designated units of continuing education.

Course Materials Features

  • Lessons 2
  • Topics 0
  • Quizzes 1
  • Students 9
  • Certificate Yes
  • Assignment No
  • Category Oral Medicine
  • Lecture Length 60 minutes
  • Original Release Date March 2, 2022
  • Review Date March 2, 2022
  • Expiration Date March 2, 2025

Course Materials Content

View lecture, take and pass quiz before receiving your CE certificate. You must score 70% or higher to pass.
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CSPD Instructor

Instructor Info:

Dr. Graham Hearn –  is a diplomate of the American Board of Pediatric Dentistry who served as faculty at the University of Washington before moving to Northern California to practice. He has a passion for providing patient-centered, scientifically based care. He has served as faculty in pediatric dentistry a both the University of the Pacific and the University of Washington schools of dentistry. He left his childhood citrus farm in Visalia, California to complete undergraduate training at sunny UC San Diego, and dental school at foggy University of the Pacific in San Francisco.  Dr. Hearn completed a two-year General Practice Residency at University of Virginia and his Pediatric Dentistry residency at the University of Washington. He was chief resident at both programs.


Moderator, Dr. Jean Calvo – is an Assistant Professor in the Department of Orofacial Sciences. Dr. Calvo earned her Doctor of Dental Surgery degree at the UCSF School of Dentistry, where she also completed her specialty training in pediatric dentistry. Prior to her residency, she completed her Master of Public Health at the Harvard T.H. Chan School of Public Health with a focus on social determinants of health. Dr. Calvo teaches in both the UCSF Pre- and Post-doctoral pediatric dental clinics. In addition to her teaching responsibilities, she provides dental care to children and adolescents, with the goals of improving their oral health and making dental visits fun. She is devoted to increasing access to dental care for all children and is particularly passionate about providing care to underserved children, such as those with complex medical conditions or other special health care needs. She currently serves as Chair of the California Society of Pediatric Dentistry Continuing Education Committee.

Instructor Disclosure of any conflicts of interest:

Both speakers have declared no conflicts of interest.

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