Exam 12: Hygiene Instruments

Which of the following is an example of a subgingival ultrasonic instrument tip?

Which curette would be most suitable for scaling and removing deposits from deep periodontal pockets (5 mm or deeper) on the posterior teeth?

The use of an India stone should be preceded by the use of an Arkansas or ceramic stone.

Which sharpening stone is used to sharpen scalers and curettes?

How would an instrument sharpening stone be cared for?

Identify a type of scaler used to remove large amounts of deposits from supragingival surfaces. This type has a long, straight shank and a straight blade with two cutting edges that ends in a sharp point.

Name the type of scaler used to remove deposits and stain from implant areas.

Which of the following ultrasonic scaler tips features water delivered directly from the base of the tip?

Ultra-high frequency sound waves convert mechanical energy into vibrations for the ultrasonic scaler.

Identify a type of curette used to remove deposits from subgingival surfaces. This type has a blade angled at 70 degrees to a standard-length lower shank and is designed to adapt to specific teeth, such as premolars and molars.

Identify the scaler that is referred to as a "power scaler."

Identify the type of curette on which the terminal shank is 3 mm longer than that of the standard area-specific curette to allow removal of deposits at 5 mm or deeper.

Identify the type of curette used to scale supragingival and subgingival surfaces. This instrument has two parallel cutting edges and a rounded toe, and the blade is angled 90 degrees to the lower shank.

Identify a type of curette used to remove deposits from subgingival surfaces; this type has a blade angled at 70 degrees to the lower shank and is designed to adapt to specific teeth, such as centrals, laterals, and cuspids.

Identify the curette that is specifically designed for narrow roots, pockets, or furcations and that is used to scale in deep periodontal pockets of 5 mm.