Different Types Of Dental Instruments Quiz

1. What dental tool is used to loosen the tooth from the periodontal ligaments before extraction and to separate and lift the tooth from the socket?

Straight Elevator

Dental Probe

Mallet

Scalpel

A dental probe is used to examine the teeth for cavities and other dental issues. A scalpel is a surgical instrument used for making incisions. A mallet is a tool used in dentistry for impacting dental implants or prosthetics, not for extractions. Only a straight elevator is used to loosen and lift a tooth before extraction.

Explanation

A dental probe is used to examine the teeth for cavities and other dental issues. A scalpel is a surgical instrument used for making incisions. A mallet is a tool used in dentistry for impacting dental implants or prosthetics, not for extractions. Only a straight elevator is used to loosen and lift a tooth before extraction.

2. What is the function of forceps that are used to extract mandibular first and second molars characterized by straight handles or one curved handle, referred to as the cowhorn forceps?

Root Tip Forceps No.46

Uiversal Mandiibular Forceps No.16

Maxillary Forceps No.33

Periapical Forceps No.74

The correct answer is Universal Mandibular Forceps No.16 as it is specifically designed for the extraction of mandibular first and second molars with its distinctive features of straight handles or one curved handle, making it known as cowhorn forceps.

Explanation

The correct answer is Universal Mandibular Forceps No.16 as it is specifically designed for the extraction of mandibular first and second molars with its distinctive features of straight handles or one curved handle, making it known as cowhorn forceps.

3. What dental instrument is used to cut periodontal Ligaments before extraction by rocking the tooth back and forth?

Dental Drill

Tooth Forceps

Luxating Elevator

Scalpel

The Luxating Elevator is the correct answer as it has a single bended sharp blade on the working end and is specifically designed to cut periodontal ligaments before tooth extraction by rocking the tooth back and forth. It is also commonly found in surgical extraction tray setups.

Explanation

The Luxating Elevator is the correct answer as it has a single bended sharp blade on the working end and is specifically designed to cut periodontal ligaments before tooth extraction by rocking the tooth back and forth. It is also commonly found in surgical extraction tray setups.

4. Which instrument is used to extract trifurcated maxillary right first and second molars?

Maxillary Left Forceps NO.88L

Universal Forceps NO.150

Maxillary Right Forceps NO.88R

Mandibular Right Forceps NO.88R

The correct instrument to use for this particular extraction is the Maxillary Right Forceps NO.88R as it has a right-split beak specifically designed for engaging the lingual root of the molars.

Explanation

The correct instrument to use for this particular extraction is the Maxillary Right Forceps NO.88R as it has a right-split beak specifically designed for engaging the lingual root of the molars.

5. What is the function of root-tip elevators?

Chisels

Scalers

Extracting forceps

ROOT-TIP ELEVATORS

Root-tip elevators are specifically designed to lift and remove fragments of the root, making them the correct answer. Scalers are primarily used for removing calculus and plaque, extracting forceps are used for extracting teeth, and chisels are used for cutting and shaping teeth.

Explanation

Root-tip elevators are specifically designed to lift and remove fragments of the root, making them the correct answer. Scalers are primarily used for removing calculus and plaque, extracting forceps are used for extracting teeth, and chisels are used for cutting and shaping teeth.

6. What is used to suture the surgical site?

Suture Needles and Sutures

Antibiotics and bandages

Scalpel and forceps

Surgical tape and gauze

7. What multifunctional instrument is used to hold and place separators, ligatures, and/or tie ligatures to the arch wire in orthodontic procedures?

Orthodontic Band Scissors

Orthodontic Hemostat

Orthodontic Pliers

Orthodontic Wire Cutter

Orthodontic Hemostat is specifically designed for holding and placing separators, ligatures, and tying ligatures in orthodontic procedures, making it the correct instrument for the described function. Orthodontic Pliers, Band Scissors, and Wire Cutter perform different functions compared to an Orthodontic Hemostat.

Explanation

Orthodontic Hemostat is specifically designed for holding and placing separators, ligatures, and tying ligatures in orthodontic procedures, making it the correct instrument for the described function. Orthodontic Pliers, Band Scissors, and Wire Cutter perform different functions compared to an Orthodontic Hemostat.

8. What type of pliers are used to place and remove arch wires, check for loose bands, and have serrated tips for better grip on wire with straight or curved beaks?

Needle-Nose Pliers

How(HOWE) Pliers

Flat-Nose Pliers

Wire-Cutting Pliers

How(HOWE) Pliers are specifically designed for orthodontic procedures with characteristics that make them suitable for the tasks mentioned in the question.

Explanation

How(HOWE) Pliers are specifically designed for orthodontic procedures with characteristics that make them suitable for the tasks mentioned in the question.

9. Which instrument is used to remove large amounts of deposits from supragingival surfaces?

Periodontal Probe

Curved Sickle Scaler

Spoon Excavator

Hollenback Carver

The Curved Sickle Scaler is specifically designed with two cutting edges on a curved blade that ends in a sharp point for efficient removal of deposits from supragingival surfaces. The other options mentioned are not designed for the same purpose.

Explanation

The Curved Sickle Scaler is specifically designed with two cutting edges on a curved blade that ends in a sharp point for efficient removal of deposits from supragingival surfaces. The other options mentioned are not designed for the same purpose.

10. What is the function of a dental instrument with two cutting edges on a curved blade that ends in a sharp point, a long, straight shank with one gentle bend, and comes in a variety of sizes and angles, used for removing a large amount of deposits from supragingival surfaces?

Periodontal Probe

Gracey Curette

Universal Curette

Straight Sickle Scaler

The correct answer is 'Straight Sickle Scaler' as it matches the description of a dental instrument with a curved blade, sharp point, long straight shank, and is used for removing deposits from supragingival surfaces. The other options do not fully align with the characteristics provided in the question.

Explanation

The correct answer is 'Straight Sickle Scaler' as it matches the description of a dental instrument with a curved blade, sharp point, long straight shank, and is used for removing deposits from supragingival surfaces. The other options do not fully align with the characteristics provided in the question.

11. What instrument is used to remove or smooth rough edges of alveolar bone, typically with a push-pull motion and available in various sizes, angles, and shapes?

Periodontal Probe

Excavator

Amalgam Carrier

Bone File

A Bone File is the correct instrument used for this purpose, as it is specifically designed to work on alveolar bone with a push-pull motion. A Periodontal Probe is used to measure pocket depths in the gums, an Amalgam Carrier is used for placing dental materials, and an Excavator is used for removing decayed tooth structure, none of which are suitable for smoothing bone edges.

Explanation

A Bone File is the correct instrument used for this purpose, as it is specifically designed to work on alveolar bone with a push-pull motion. A Periodontal Probe is used to measure pocket depths in the gums, an Amalgam Carrier is used for placing dental materials, and an Excavator is used for removing decayed tooth structure, none of which are suitable for smoothing bone edges.