![]() What function do you think the chisel has? Remember, it has a cutting edge. The blade is perpendicular to the handle. The hoe is similar in appearance to a garden tool. The spoon excavator is the most commonly used excavator. Hand cutting instruments are the group of instruments placed on the tray after the examination instruments. (Photos from Boyd L: Dental instruments: a pocket guide, ed 3, St Louis, 2009, Saunders Drawings in parts A, B, D, E, and F from Baum L, Phillips RW, Lund MR: Textbook of operative dentistry, ed 3, Philadelphia, 1995, Saunders.) What is another function of the dental mirror? Hand (manual) cutting instruments. Retraction: helps maintain a clear field and protects the soft tissues from injury caused by the dental bur or hand instruments. Light reflection/reflective illumination: directs additional light into areas of the mouth. ![]() What are the indirect areas of a patient’s mouth for the right-handed operator? The working end is calibrated in millimeters.Ĭan you think of something else the periodontal probe can be used to measure? ( Oral lesions, the width of an anterior overjet.) Uses for the mouth mirror. Why is the tip so thin on an explorer instrument? ( Tactile sensitivity is increased.)Ī periodontal probe is used to measure sulcus and pocket depths of the periodontium of each tooth. Mouth mirror: designed to have a straight handle, a slight angle to the shank, and a working end consisting of a round metal disk with a mirror on one side. (A-D from Boyd L: Dental instruments: a pocket guide, ed 3, St Louis, 2009, Saunders.) In what procedures are restorative instruments used? ( Amalgam placement, composite placement, etc.)Ĭan students name an accessory instrument? Examination instruments.Ī. In what procedures are hand cutting instruments used? ( Cutting bevels in the cavity prep, removing decay close to the pulp, removing soft dentin.) In what procedures would an examination instrument be used? ( Caries examination, inspection of the oral soft tissues, periodontal assessment.) What information is found on the handle of a dental instrument? ( Name of the instrument, manufacturer’s name, and the universal identification number.) Classification of General Dental Instruments What are mirror-image instruments called? ( Left and right instruments.) Three parts of a dental hand instrument. Double-ended instruments are mirror images or have reverse angles. Instruments can also be single- or double-ended. The working end may be a point, blade, or nib. Where would you use an instrument with an angled shank? ( Posterior areas.) What are the advantages to a handle with a larger circumference? ( Larger handles are ergonomically designed to reduce fatigue and stress on hand muscles.) Portion of the instrument designed for a specific function. ![]()
0 Comments
Leave a Reply. |