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Day-to-Day Direct Composite Resins


010, 012, 017, 254, 255, 259, 782


Class Summary

Everything the General Dental Practitioner needs to know about everyday direct composite resin restorations in the anterior and posterior dentition...and much much more. Learn how to apply color science to nail shade taking, prep design to achieve invisible margins and avoid marginal breakdown, simple effortless occlusal function and aesthetic layering. Hands-On Class 1, Class 2 and an polychromatic class 4.

Class Overview/Schedule

Day 1

  • Lecture:
  1. When direct posterior composite resins are predictable and when they are not
  2. Preparation design and a protocol to reduce the risk of voids, bond failure and sensitivity.
  3. How to implement modern high tech instrumentation such as particle abrasion and sonic activated preparation tips.
  4. Flowable composite as a liner: when, where and how? With supporting research. Bulk-fill approaches.
  5. Photo-thermal polymerization: heating composite resin, the pros and cons.
  6. "C-Factor": horizontal, vertical and oblique build-ups. Pulse activation protocols.
  7. How to assess the occlusal scheme preoperatively and accurately build up your restoration so that little if any occlusal adjustment is necessary.
  8. An overview of matrix systems: choosing the best for each situation.
  9. Discussion of a stratification technique using simplified instrumentation to achieve lifelike resin restorations, which require minimal finishing.


  • Hands-on:
  1. A simple class 1 restoration using a single shade of composite resin and a bulkfill for dentin replacement. This exercise focuses on mastering instrumentation and the establishment of anatomical form in the restoration.
  2. The class 2 (Bichromatic layering and external tints). This exercise introduces matrix systems to achieve perfect interproximal contact points and a simplified finishing protocol.

Day 2

  • Lecture:
  1. Shade selection: demystify the science and use it as a practical everyday tool.
  2. Translucency, opacity and opalescence: why all composite resin is not created equal.
  3. A simple, rapid, yet novel concept to make incisal edge shade and effects obvious and effortless.
  4. How to quickly and inexpensively fabricate diagnostic mock-ups and palatal silicone indices to achieve precise incisal edge position.
  5. Preparation design and instrumentation to realize durable resin restorations, which have margins invisible to the human eye.
  6. Opaque dentin shades: when and where to use them…and why.
  7. How to layer resin to create lifelike incisal halos and effects such as crack lines and opacities.


  • Hands-on:
  1. The class 4 restoration (mesio-inciso distal) using the "Natural Layering Approach." Fabricate and modify a palatal silicone stent, create a palatal enamel shell, layer dentin and enamel in precise thicknesses and add subtle effects such as incisal opalescence, enamel infractions, hyperchromic mammelon tips and a hypocalcification spot.
  2. Simple, intuitive finishing protocols which allow the operator to produce highly polished restorations that mimic natural enamel. How to create mammelon grooves, incisal edge anatomy, line angles and emergence profile. Advanced detailing such as perichymata and surface fracture lines.
Upcoming Dates 


Course Fee

$4,295 includes materials

Day 1 - 8am to 4pm
Day 2 - 8am to 4pm


16 CE hours


[email protected]

Dr. Jason Smithson


Qualified at the Royal London Hospital in 1995; achieving a number of awards including The Constance Klein Memorial, The Stafford Millar, and The Malcolm Jenkins Scholarships, The American Association of Endodontics Prize and the Overall Award for Clinical Dentistry. After spending 3 years in oral surgery residency in London and a further year practicing restorative dentistry in London’s Harley Street Medical District, he relocated to Cornwall in the extreme southwest of England. Jason practices at Pure Dental Health and Wellbeing, Cornwall, UK where his main focus is microscope enhanced adhesive dentistry.

His specific interest is direct composite resin artistry and minimally invasive all ceramic restorations and he has presented to dentists locally, nationally and internationally (USA, Canada, Australia, New Zealand and Europe) on this topic. He is a Post-Graduate Clinical Lecturer in both the Cornwall & Isles of Scilly and Plymouth Foundation Dental Practitioners Schemes.

He has given hands on programs in the UK, Europe, Asia, Canada and USA on behalf of GC, Ivoclar, Kerr, Hereaus, Optident, Micerium, Carl Zeiss, Global, Velopex and Triodent. He is a UK "Opinion Leader" for Cosmedent (Enlighten Smiles), A European "Key Opinion Leader" for Hereaus-Kulzer and is a member of the European Restorative Advisory Board for GC Europe. Jason is Resident Faculty at The Centre for Esthetic Excellence, Chicago, USA. He is an Accredited International Trainer for Carl Zeiss Dental Academy.

Jason has achieved Diplomat Status in Restorative Dentistry from the Royal College of Surgeons (England).

He is on the Editorial Board of The Russian Journal of Esthetic Dentistry and has published numerous articles on adhesive and aesthetic dentistry in both the UK and abroad. He is joint author of "Vertical Margin Finish Lines In Fixed Prosthodontics" (Elsvier, In print)