Effective, Simple and Natural! Stamp Technique For Posterior Restoration

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Pit and fissure cavities in molars are one of the most common oral diseases around the globe. The commonly used treatment in clinical practice is composite filling. While the traditional composite layering technique can use fine carving to restore the anatomical shape of the tooth surface, it also requires long chair-side operation time and highly skilled clinicians. As one of the current composite filling techniques, stamp technique mainly uses special products to replicate the shape of the molar surface and achieve the optimal aesthetic result, before composite filling takes place.    

Traditional Restoration V.S. Stamp Technique Restoration

Compared to normal step by step, layer by layer restoration, the stamp technique enjoys the following advantages:

· Require less chair-side operation time and simple tools

· Achieve more aesthetic results

· Maintain original occlusal relationship 

· Reduce product waste

How Stamp Technique Works

(Clinical case provided by Prof. Huang, School of Stomatology, Wuhan University )

A: Cavity 

B: Clean the cavity 

C: Stamp fabricated by TrusFIL-Flow Flowable Composite 

D: Stamp is ready 

E: Tooth preparation

F: Apply P-Etchant Phosphoric Acid Etching Gel 

G: Apply HugeBond Universal FliPro Light Cure Dental Adhesive 

H: Fill cavity with TrusFIL X-Blend and press the stamp down 

I: Light cure

J: Finish and polish

Recommended Products

TrusFIL X-Blend

*Data from VinciSmile Lab

· Special TrusFIL spherical fillers to achieve one-shade-fits-all result

· High flexural and compressive strength

· Time-saving with its 3.5mm curing depth

· Exceptional longevity with low shrinkage of only 1.06%

TrusFIL-Flow Flowable Composite Restorative

· Nanohybrid-filled dental restorative material with self-leveling technology

· Can be applied as base/liner for subsequent restoration

· 6 shades available: A1/A2/A3/B1/B2/OA2

P-Etchant Phosphoric Acid Etching Gel

· Excellent water solubility and miscibility

· Easily identified by its blue color by contrast

HugeBond Universal FliPro Light Cure Dental Adhesive

· New flip-open cap design, easy-to-use

· 8th generation, compatible with both total-etch and selective-etch

· High bonding strength with excellent bio-compatibility

· Recommended by Dental Advisor with 86% clinical rating

*Data from Dental Advisor

Overall, stamps can be made of materials such as impression materials and flowable composite resin, among which flowable composite resin is the most commonly used. Flowable composite resin features strong fluidity and can enter the pit and fissure to replicate the anatomical morphology of the occlusal surface. When fabricating stamps, flowable composite resin could be easily removed after light curing, as no etchant or adhesive has been applied to the teeth. Afterwards, the resin paste is usually stacked in the prepared teeth, and the stamp is pressed on top of the occlusal surface, where the composite resin obtains the original anatomical shape of the occlusal surface.