There are two main indications for using the periodontal file to facilitate calculus removal. Periodontal Files (Hirschfeld 3/7, 5/11 and 9/10)Ī periodontal file (Fig 3-6) is an instrument that has multiple, straight cutting edges at the working end of the instrument. Table 3-1 Advantages and disadvantages of periodontal hoes. A mouth mirror should always be used to protect the tongue and the floor of the mouth.įig 3-5 When using a periodontal hoe a two-point contact must be maintained. It may be used subgingivally where the interdental papillae have lost attachment. It should only be used where there is sufficient embrasure space or gingival trauma will result. It is available in different widths and is used with a controlled push stroke from the labial aspect of the lower anterior teeth to remove interproximal and lingual supragingival calculus. The end of the blade is flat, with a straight cutting edge that is bevelled at 45°. The chisel scaler is a straight instrument that curves slightly as the blade extends from the shank (Fig 3-1). Scaling instruments fall into the general categories of:Ĭhisel Scaler or Push Scaler (Guy’s G1 or G2, Cushings or Watch-Spring) Whether it is a universal or area/tooth specific instrument. Whether it is to be used for supragingival or subgingival instrumentation Each instrument is designed for use in a specific area of the mouth. There are many groups of instruments that are used for scaling procedures. Powered instruments (sonic scalers, ultrasonic scalers and air-abrasive devices). The instruments used for periodontal non-surgical management can be divided into of two main categories: OutcomeĪfter reading this chapter the reader should be able to identify the various types of instruments and have an understanding of the purpose of each periodontal instrument, and its advantages and disadvantages in different situations. The aim of this chapter is to describe a range of instruments used for the non-surgical management of periodontal disease. Chapter 3 Instruments and Instrumentation Aim
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