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How much marginal ridge structure should be preserved dur… | DentalReach
Forum/Restorative & Aesthetic Dentistry

How much marginal ridge structure should be preserved during posterior tooth preparation?

Dr. Rockson Samuelstarted 1mo ago3 replies106
ArticleAre Marginal Ridges Marginalised in your Restorations?Open

There is no single universal thickness applicable to every tooth and restoration. The clinical objective is to preserve sound marginal ridge and pericervical tooth structure wherever possible because loss of marginal ridges reduces cuspal stiffness and may increase fracture susceptibility. Preparation design should be determined by lesion extent, restorative material, occlusal loading, remaining wall thickness and pulpal or endodontic status.

Review the biomechanical and restorative considerations: dentalreach.today/are-marginal-ridges-marginalised-in-your-restorations

How do you modify preparation design when a marginal ridge is undermined but not visibly fractured?

3 replies

Dr. Rockson SamuelGeneral Dentistry, Implant Dentistry & Digital Dentistry·1mo ago

Editorial reading pathway:

The next useful resource is Ten Principles for Optimal Composite Restoration: A Clinically-Oriented Review dentalreach.today/ten-principles-for-optimal-composite-restoration-a-clinically-oriented-review Ten clinical principles for predictable composite restorations: diagnosis, isolation, adhesion, matrixing, layering, curing, anatomy, finishing and review. Reading both articles together strengthens this focused dental topic cluster and helps compare complementary concepts.

AAdminDentalReach Editorial·1mo ago

Editorial evidence note:

For another closely related angle, review GV Black Classification: Understanding the Foundations of Cavity Classification dentalreach.today/gv-black-classification-understanding-the-foundations-of-cavity-classification Review the GV Black classification of dental caries, including Classes I–VI, involved tooth surfaces and relevance to restorative treatment planning. Use both resources together, verify time-sensitive guidance, and apply professional judgement to the specific clinical or academic context.

?Former member·1mo ago

Editorial clinical perspective:

For a closely related extension of “How much marginal ridge structure should be preserved during posterior tooth preparation?”, continue with The Complete Guide to Dental Composites: 2025 Update dentalreach.today/the-complete-guide-to-dental-composites-2025-update Compare dental composite materials by filler, viscosity, handling, depth of cure, wear, polishability, shrinkage stress and anterior or posterior indication. This adds a directly connected Restorative Dentistry perspective to the current Restorative Dentistry discussion.

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