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Composite Fillings in the Posterior Region: Quadrant II

Composite fillings in the upper posterior jaw are placed in this session by Dr. Tobias Thalmair. Using a rubber dam, Dr. Thalmair establishes a clear and most importantly, a dry operative field. Using a diamond burr, he removes the existing composite fillings in 26 and 27 because of secondary caries in the interproximal areas. A primary caries lesion also becomes evident in the distal area of tooth 25.

In order to shape the approximal areas and to prevent excess material, the practitioner uses a metal matrix, which he adapts cervically using a wooden wedge. Additionally, a circular ring is applied to fix the matrix in the marginal area and regain anatomic shape. The cavities are etched using 38 % phosphoric acid and then pretreated applying primer and bonding material in order to obtain appropriate adhesion between the tooth substance and the composite filling.

The bottom of each approximal box is sealed with flow able material. The composite is applied in layers in order to minimize polymerization shrinkage (increment technique). Each layer is cured after application for 30 seconds. In the occlusal area, the cusp and fissure relief is rebuilt. For this purpose, Dr. Thalmair takes a small Heidemann spatula as well as a condenser. A curved scalpel and polishing strips are used for removal of excess material and polishing the approximal area.

In order to finish and polish the occlusal surfaces of the restorations, a flame-shaped diamond burr (red ring), brown and green rubber polishers as well as an occlusal brush are used. The occlusion and articulation are checked.

 

Composite Fillings in the Posterior Region: Quadrant II

Composite fillings in the upper posterior jaw are placed in this session by Dr. Tobias Thalmair. Using a rubber dam, Dr. Thalmair establishes a clear and most importantly, a dry operative field. Using a diamond burr, he removes the existing composite fillings in 26 and 27 because of secondary caries in the interproximal areas. A primary caries lesion also becomes evident in the distal area of tooth 25.

In order to shape the approximal areas and to prevent excess material, the practitioner uses a metal matrix, which he adapts cervically using a wooden wedge. Additionally, a circular ring is applied to fix the matrix in the marginal area and regain anatomic shape. The cavities are etched using 38 % phosphoric acid and then pretreated applying primer and bonding material in order to obtain appropriate adhesion between the tooth substance and the composite filling.

The bottom of each approximal box is sealed with flow able material. The composite is applied in layers in order to minimize polymerization shrinkage (increment technique). Each layer is cured after application for 30 seconds. In the occlusal area, the cusp and fissure relief is rebuilt. For this purpose, Dr. Thalmair takes a small Heidemann spatula as well as a condenser. A curved scalpel and polishing strips are used for removal of excess material and polishing the approximal area.

In order to finish and polish the occlusal surfaces of the restorations, a flame-shaped diamond burr (red ring), brown and green rubber polishers as well as an occlusal brush are used. The occlusion and articulation are checked.

 

About the expert

Tobias Thalmair

Dr. Tobias Thalmair

Zahnarzt mit Tätigkeitsschwerpunkt in Parodontologie und Oraler Implantologie

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