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Vertical Root Fracture: Detection and Management

Vertical Root Fracture: Detection and Management

The vertical root fracture is among the most frustrating diagnoses in dentistry: the tooth is often restored, asymptomatic for years, and then develops a sinus tract or a bone loss that no retreatment seems to cure. The fracture is a complete or incomplete longitudinal split of the root, frequent...

Toothpaste Ingredients: Fluoride and Beyond

Toothpaste Ingredients: Fluoride and Beyond

Toothpaste is the most widely used preventive tool in dentistry, and most of what it does depends on a handful of ingredients that work in a deliberate sequence: the abrasives scrub away the pellicle and the stain, the fluoride strengthens the enamel against the next acid attack, and the detergen...

Shade Matching in Restorative Dentistry: Technique and Tools

Shade Matching in Restorative Dentistry: Technique and Tools

The esthetic restoration that fails does not fail in the laboratory; it fails at the moment of shade selection, when the eye and the shade guide come to a hasty and ill-lit agreement. Shade matching is the disciplined gathering of color information under controlled conditions before the impressio...

Provisional Crowns: Fabrication and Temporization Goals

Provisional Crowns: Fabrication and Temporization Goals

The provisional crown is the working model for the finished restoration, protecting the prepared tooth, holding the position of the gingiva and the occlusion, and telling the patient exactly what the permanent crown will feel like. It is too often treated as a placeholder, something quickly press...

Occlusal Night Guards: Fitting, Materials, and Care

Occlusal Night Guards: Fitting, Materials, and Care

The occlusal night guard is a rigid or semi-rigid appliance that sits between the upper and lower teeth during sleep, and it is the first line of defense against the destruction of bruxism. It does not stop the grinding, and no appliance does, but it absorbs the force, protects the enamel and the...

Four-Handed Dentistry: Ergonomics and Practice Efficiency

Four-Handed Dentistry: Ergonomics and Practice Efficiency

Four-handed dentistry is a team-based method in which the seated dentist and the seated assistant work together around the patient, each performing the tasks they are best suited for, so that instruments, materials, and suction are always ready at the moment they are needed. The system, formalize...

Dental Radiography Safety: ALARA Principles and Protection

Dental Radiography Safety: ALARA Principles and Protection

Dental radiographs are among the safest and most useful investigations in clinical medicine, yet they deliver ionizing radiation to living tissue, and the responsible practice is the one that keeps that dose as low as reasonably achievable. This principle, known as ALARA, governs every decision a...

Dental Loupes and Magnification: Choosing Working Magnification

Dental Loupes and Magnification: Choosing Working Magnification

Magnification has become an indispensable tool in contemporary dentistry, turning the margin of a preparation, the entrance of a canal, and the surface of a restoration into a landscape the eye can actually read. The choice, however, is not simply more magnification, because every increase in pow...

Dental Cement Selection: Luting Agents Compared

Dental Cement Selection: Luting Agents Compared

The cement that holds a crown, a bridge, or an inlay is the smallest component of the restoration and often the first to fail, and its choice sits on a quiet triad: the material of the restoration, the condition of the tooth, and the demands of the cement itself. The modern cabinet holds water-ba...

Composite Resin Materials: Classification and Selection

Composite Resin Materials: Classification and Selection

The composite resin has replaced amalgam as the default filling material of the modern practice, and its versatility comes from a tunable recipe of two components: the resin matrix that binds the material and the glass or ceramic filler that gives it strength and polish. Because the manufacturer ...