Posterior Direct Restorations by Salvatore Scolavino & Gaetano Paolone

Author:Salvatore Scolavino & Gaetano Paolone
Language: eng
Format: epub
Publisher: Quintessence Publishing
Published: 2021-05-15T00:00:00+00:00

6

Restoring the Interproximal Wall

Building up a marginal wall restores the contact area while creating a marginal seal and proximal emergence profile. The centripetal buildup technique (CBT)1 can be used to convert a Class 2 cavity to a Class 1 with the aim of simplifying the occlusal restoration procedure. This chapter describes the instruments and techniques to restore the interproximal wall. Once this has been done correctly, the occlusal surface can be modeled effectively and predictably.

Once the substrate has been hybridized, a Class 1 cavity will only require appropriate occlusal modeling for the specific clinical case.

For a Class 2 cavity, it is advisable to restore the missing proximal wall.1 This requires anatomical knowledge of the affected area: Proximal contact area varies in terms of width, position in the arch, and the individual patient. With premolars, for example, the contact area can occupy a more coronal position, while in molars it is positioned close to the middle third.2

Proximal tooth surfaces are an area of variable breadth that performs important functions3,4:

Physiologic preservation of tooth tissue

Protection of underlying periodontal structures

Transfer of masticatory force from tooth to tooth

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