Case Study

Class IV Restoration using the VariStrip - David Hornbrook, DDS, FAACD, FACE

David Hornbrook, DDS, FAACD, FACE

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Varistrip Before
Pre-operative view of fractured incisal edge corner of maxillary left central incisor.

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Pre-op teeth
Pre-operative view of fractured incisal edge corner of maxillary left central incisor.

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Rubber dam isolation
Rubber dam isolation of fractured tooth.

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Shade check
Shade check against Vita Shade tab that is keyed to the cured composite shades.

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Composite resin placed
Composite resin placed to check for correct shade.

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VariStrip Prep
Long bevel placed into the enamel to increase surface area for bonding and also to allow better blend of a translucent resin at the tooth restoration interface.

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VariStrip placed interproximally
Garrison Dental VariStrip placed interproximally

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VariStrip placed between teeth
VariStrip is precontoured to facilitate a more natural interproximal contour.

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VariStrip with Blue band
Enamel and any exposed dentin is etched with 35% phosphoric acid for 15 seconds.

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VariStrip with blue band
Dental primer is applied in multiple layers onto the etched dentin and enamel.

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VariStrip with Blue band
The primer is air dried with a moisture-free air source (Adec warm air tooth dryer) to evaporate the volatile, hydrophilic carrier.

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VariStrip with Blue band
Dental adhesive is light polymerized for 10 seconds with a curing light.

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VariStrip with Blue band
Lingual layer of composite resin is placed fi rst. An enamel shade and translucency is used to mimic natural tooth structure.

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VariStrip with Blue band
A very translucent incisal shade is added to reproduce the natural incisal translucency present in the adjacent tooth.

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VariStrip with Blue band
A very translucent incisal shade is added to reproduce the natural incisal translucency present in the adjacent tooth.

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VariStrip with Blue band
A dentin shaded composite resin is added to replace the natural fractured dentin and provide a smooth transition between the restoration and the remaining natural dentin.

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VariStrip with Blue band
A final layer of a translucent enamel layer is added to blend into the natural tooth structure.

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VariStrip with Blue band
The VariStrip can be manipulated to reproduce the adjacent line angle since it is pre-contoured

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VariStrip removed
After light curing the resin, the VariStrip is removed.

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Contouring restoration
The restoration is contoured using discs and diamonds.

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Contouring restoration
The restoration is contoured using discs and diamonds.

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restoration post shaping
Restoration after initial gross shaping.

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Polishing restoration
Restoration is then polished using rubber polishing points, cups, and discs.

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Post-op restoration
Final post-op restoration immediately after placement.

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Final Post-op
Final post-op restoration immediately after placement.
David Hornbrook Headshot

David Hornbrook, DDS, FAACD, FACE

Dr. Hornbrook, a gifted clinician and product researcher-turned-mentor, guides meeting participants to the realization that they, too, possess the ability to practice aesthetic dentistry at the very highest level. He is one of dentistry’s most famous faces and one of the pioneers of live-patient, hands-on clinical education, as the founder and past director of Pac-live and the Hornbrook Group. He has been a guest faculty member of the post-graduate programs in Cosmetic Dentistry at Baylor, Tufts, SUNY at Buffalo, UMKC, and the UCLA Center of Cosmetic Dentistry. Dr. Hornbrook lectures internationally on all facets of aesthetic and restorative dentistry and has published articles in all of the leading dental journals. A prolific researcher and materials enthusiast, he consults with numerous manufacturers on product development and refinement.