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Air abrasion used to remove old amalgam restoration using 50 micron-sized powder particles followed by replacement with composite resins. 1) Amalgam restoration on maxillary molar. 2) Air abrasion device used to remove amalgam restoration. 3) Complete removal of amalgam restoration 4) Tooth restores with composite resin restoration. (Seen at 16X under dental operating microscope)
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Figure 0002: Air abrasion used to remove old amalgam restoration using 50 micron-sized powder particles followed by replacement with composite resins. 1) Amalgam restoration on maxillary molar. 2) Air abrasion device used to remove amalgam restoration. 3) Complete removal of amalgam restoration 4) Tooth restores with composite resin restoration. (Seen at 16X under dental operating microscope)

Mentions: Removal of existing restorations – the particles of the air abrasives can be used at higher pressures for removal of old amalgam restorations for replacing them or for removal and repair of composites, glass ionomers, and porcelain restorations [Figure 2].Figure 2

A new dimension to conservative dentistry: Air abrasion

Hegde VS, Khatavkar RA - J Conserv Dent (2010)

Bottom Line: Air abrasion dentistry has evolved over a period of time from a new concept of an alternative means of cavity preparation to an essential means of providing a truly conservative preparation for preservation of a maximal sound tooth structure.The development of bonded restorations in combination with air abrasion dentistry provides a truly minimal intervention dentistry.This article reviews the development of air abrasion, its clinical uses, and the essential accessories required for its use.

Affiliation: Department of Conservative Dentistry and Endodontics, M. A. Rangoonwala Dental College, Pune, India.

ABSTRACT
Air abrasion dentistry has evolved over a period of time from a new concept of an alternative means of cavity preparation to an essential means of providing a truly conservative preparation for preservation of a maximal sound tooth structure. The development of bonded restorations in combination with air abrasion dentistry provides a truly minimal intervention dentistry. This article reviews the development of air abrasion, its clinical uses, and the essential accessories required for its use.

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