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Your Tutor
Dr. John Barclay
BSc, BDS | DF1 Trainer | Endodontics Dip. 2024 | Advanced Adult Learning Level 3
Passionate Endodontist with Extensive Teaching ExperienceEarly exposure to Endodontics sparked a fascination, nurtured by my father and trainer, a retired expert.
Building Expertise, Sharing Knowledge:
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DF1 Trainer 8 years (2015-2023): Honing teaching skills, guiding future dentists.
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Level 3 Advance Adult Learning: Committed to effective education.
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Lecturer: Endodontics across North & South Wales for DF1 and GDPs
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Mentor: Supporting colleagues, investing in the next generation.
Committed to Your Success:
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Manage complex treatments: Primary / Secondary Endo & ApicectomiesRegular referrals from colleagues for complex Endodontic cases.
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Join the Journey:Hands-on guidance.
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Passionate about contributing to the next generation of Endodontists Sharing knowledge, empowering you.
Why Choose
DRJB for Root Canal Treatment?
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Teaches Endo Across the UK — Dentists nationwide train with Dr Barclay at DRJBEndoCourses.com, learning the same techniques he applies in practice.
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Microscope Dentistry — upto x24 magnification for exceptional accuracy & visibility.
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Modern Bioceramic Sealers — Less toxic, more biocompatible & long-term outcomes.
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Thermal Obturation — System B & Elements techniques ensure dense, 3D sealed root filling.
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In-House CBCT Scanning — High-resolution imaging for diagnosis, surgical planning, and complex anatomy.
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Primary, Secondary & Apical Surgery — We welcome re-treatment cases & apicectomies.
Root Canal Treatment FAQs
Will it hurt?
Modern root canal therapy is performed under local anaesthetic & is typically no more uncomfortable than having a filling. Many patients are surprised by how straightforward & painless it is — especially compared to the discomfort they felt beforehand.
Will I need a crown afterwards?
In many cases, yes — especially for posterior teeth (molars and premolars), where chewing forces are greatest. A crown protects the tooth from fracture and improves long-term success. Front teeth may not always need a crown.
Why not just extract the tooth?
Saving your natural tooth is usually the best long-term solution — functionally, aesthetically, and biologically. Extraction may lead to shifting teeth, bone loss, or the need for complex replacements. Root canal therapy is often more cost-effective and less invasive than replacing a missing tooth.
What happens if I don’t get it treated?
An untreated root infection can spread to other parts of the body and may lead to:
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Abscess formation
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Bone loss
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Severe pain or swelling
Eventually, tooth loss becomes inevitable — and replacement options are often more invasive and costly.