Oral Surgery Instruments and Techniques
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Questions and Answers

What type of handpiece is commonly used for removing bone during oral surgery?

  • Variable-speed, medium-torque headpieces
  • Low-speed, high-torque handpieces (correct)
  • Moderate-speed, high-torque handpieces
  • High-speed, low-torque handpieces
  • What should be used with surgical burs to prevent bone damage during cutting?

  • Lubricating oil
  • Antiseptic solution
  • Hydrogen peroxide
  • Irrigation with distilled water or saline (correct)
  • Which type of needle is typically used for suturing in the oral cavity?

  • Triangular needles
  • Straight needles
  • Curved needles (correct)
  • Flat needles
  • What is the primary use of a surgical curette in oral surgery?

    <p>To remove soft tissue from bony defects (D)</p> Signup and view all the answers

    Which retractor is used to retract the cheek and mucoperiosteal flap simultaneously?

    <p>Weider retractor (C)</p> Signup and view all the answers

    What type of sutures require removal after the surgical procedure?

    <p>Non-Resorbable sutures (C)</p> Signup and view all the answers

    What is the primary function of suture scissors in oral surgery?

    <p>To cut sutures during or after placement (C)</p> Signup and view all the answers

    Which of the following is NOT a type of retractor mentioned for oral surgery?

    <p>Scalpel retractor (C)</p> Signup and view all the answers

    Which forceps is designed for upper third molars with angled beaks?

    <p>Bayonet Forceps (A)</p> Signup and view all the answers

    What is the advantage of using physic forceps during extraction?

    <p>Reduced trauma and lower fracture risk (D)</p> Signup and view all the answers

    What is the recommended movement technique for extracting lower molars using Cowhorn Forceps?

    <p>Buccolingual rocking motion (C)</p> Signup and view all the answers

    What is the primary purpose of soft tissue retraction during forceps extraction?

    <p>To expose the tooth and surrounding area for effective extraction (C)</p> Signup and view all the answers

    Which grip technique is recommended for handling forceps during tooth extraction?

    <p>Palm grasp with the right hand and control with the little finger (B)</p> Signup and view all the answers

    Which statement is not the role of the opposite hand during forceps extraction?

    <p>To apply pressure to the tooth (A)</p> Signup and view all the answers

    What is the aim of applying buccal/labial pressure during tooth extraction?

    <p>To create space between the tooth and the surrounding bony walls (B)</p> Signup and view all the answers

    Which pressure application technique is effective for loosening teeth with single conical roots?

    <p>Tractional forces (A)</p> Signup and view all the answers

    What is the recommended action if a patient experiences continuous bleeding after an extraction?

    <p>Replace the gauze and contact the dentist if it doesn't stop after an hour (B)</p> Signup and view all the answers

    What is the primary function of elevators in dentistry?

    <p>To facilitate luxation of teeth before applying forceps (A)</p> Signup and view all the answers

    What should be done if an adjacent tooth is completely dislocated during extraction?

    <p>Attempt to replant if intact (A)</p> Signup and view all the answers

    What is a common reason for pushing a tooth into premaxillary soft tissues?

    <p>Improper use of elevators (D)</p> Signup and view all the answers

    How can the risk of perforating the maxillary sinus floor be minimized?

    <p>By avoiding removal of pathological tissue (C)</p> Signup and view all the answers

    What does the presence of bloody discharge from the nose indicate during tooth extraction?

    <p>Perforation of the maxillary sinus (B)</p> Signup and view all the answers

    What is the primary purpose of history taking in oral diagnosis?

    <p>To gather essential information for accurate diagnosis (B)</p> Signup and view all the answers

    Which of the following is NOT a property of an ideal local anesthetic?

    <p>Permanent alteration of nerve structure (C)</p> Signup and view all the answers

    What is an absolute contraindication for administering local anesthesia?

    <p>History of allergy to local anesthetic agents (D)</p> Signup and view all the answers

    What is the term for the altered sensation, such as tingling, that may occur when local anesthesia wears off?

    <p>Paresthesia (D)</p> Signup and view all the answers

    What is a significant advantage of local anesthesia compared to general anesthesia?

    <p>Patients remain awake during procedures (C)</p> Signup and view all the answers

    What should be assessed during the Pre-Extraction Evaluation (P.E.E.)?

    <p>Clinical and radiological evaluations (B)</p> Signup and view all the answers

    Which of the following conditions is NOT an indication for tooth extraction?

    <p>Mild gingivitis (D)</p> Signup and view all the answers

    In a clinical examination, which method is used to assess for tenderness or abnormal responses?

    <p>Palpation (C)</p> Signup and view all the answers

    Which of the following is NOT considered a source of pathogenic organisms in the maxillofacial region?

    <p>Hepatitis B virus (D)</p> Signup and view all the answers

    What is the primary reason for adhering to strict infection control protocols in oral surgery?

    <p>To prevent the spread of infectious agents (C)</p> Signup and view all the answers

    What is the purpose of using irrigation during bone removal in oral surgery?

    <p>To cool the bur and prevent thermal damage to the bone (A)</p> Signup and view all the answers

    What is the main advantage of using a taper point needle over a cutting needle in oral surgery?

    <p>It causes less trauma to the surrounding tissue. (A)</p> Signup and view all the answers

    What is the primary reason for using a curved needle in oral surgery?

    <p>They can penetrate tissues more easily in confined spaces. (C)</p> Signup and view all the answers

    What is the primary function of the Kilner retractor in oral surgery?

    <p>To retract the cheek away from the operative area (D)</p> Signup and view all the answers

    What is the primary reason for using suction instruments during oral surgery?

    <p>To aspirate blood and saliva for better visibility (A)</p> Signup and view all the answers

    Which of the following statements is true regarding the use of surgical burs during oral surgery?

    <p>Irrigation is necessary to prevent heat damage during bone cutting. (C)</p> Signup and view all the answers

    What is the function of the mouth mirror during oral surgery?

    <p>To retract the tongue during procedures (B)</p> Signup and view all the answers

    What is the primary purpose of using irrigation solutions during oral surgery?

    <p>To provide a cooling effect and prevent heat damage to bone (D)</p> Signup and view all the answers

    Which type of suture material is designed to be absorbed by the body without needing removal?

    <p>Plain gut sutures (B)</p> Signup and view all the answers

    What can cause a root to be pushed into the maxillary sinus during extraction?

    <p>Excessive force during extraction (D)</p> Signup and view all the answers

    What is a common symptom of perforation of the sinus bottom after a root is pushed into the maxillary sinus?

    <p>All of the above (D)</p> Signup and view all the answers

    What must be done if a root has entered the maxillary sinus?

    <p>Remove it immediately (A)</p> Signup and view all the answers

    Which imaging technique is NOT used to diagnose a root in the maxillary sinus?

    <p>Intraoral photographs (A)</p> Signup and view all the answers

    What is a recommended treatment for a small fracture of the alveolar bone?

    <p>Smooth the sharp edges and suture the wound (D)</p> Signup and view all the answers

    What is the primary method to prevent soft tissue damage during tooth extraction?

    <p>Careful handling of instruments (C)</p> Signup and view all the answers

    Flashcards

    Bone removal handpiece in oral surgery

    A low-speed, high-torque handpiece is used to remove bone during oral surgery, preventing damage.

    Bone protection during cutting

    Irrigation with distilled water or saline prevents bone damage during cutting with surgical burs.

    Suture needle type for oral cavity

    Curved needles are typically used for suturing in the oral cavity.

    Surgical curette function

    A surgical curette is used to remove soft tissues from bony defects in oral surgery.

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    Bone file purpose

    A bone file smooths the bone surface before closure during oral surgery.

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    Retractor for cheek and mucoperiosteal flap

    A Kilner retractor is used to retract the cheek and mucoperiosteal flap simultaneously.

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    Sutures needing removal

    Non-resorbable sutures require removal after the surgical procedure.

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    Suture scissors function

    Suture scissors are used to cut sutures during or after placement in oral surgery.

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    Purpose of irrigation during bone removal

    Irrigation during bone removal in oral surgery helps remove debris, cool the tools, and improve visibility, preventing thermal damage.

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    Tapered needle vs. Cutting needle

    A tapered needle is better for penetrating dense tissue because it's less traumatic than a cutting needle.

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    Use for curved needle

    Curved needles are used in oral surgery for reaching hard-to-access areas in the mouth.

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    Kilner retractor function

    The Kilner retractor elevates the mucoperiosteum during flap surgery, exposing the operative site.

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    Suction instruments in oral surgery

    Suction instruments remove blood, saliva, and debris to provide better visibility during oral surgery.

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    Surgical burs and irrigation

    Irrigation is crucial when using surgical burs to prevent heat buildup and potential bone damage during bone removal.

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    Mouth mirror use

    A mouth mirror aids in visualizing oral structures during surgery.

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    Irrigation solution purpose

    Irrigation solutions cool the surgical area, prevent heat damage to bone, and improve visibility.

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    Absorbable suture material

    Plain gut sutures are absorbed by the body, simplifying post-op care.

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    Root in maxillary sinus cause

    A root can be pushed into the maxillary sinus during extraction due to excessive force or weakened bone.

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    Sinus perforation symptoms

    Symptoms of sinus perforation after a root is pushed into the maxillary sinus can include sinusitis, nasal voice, and bubbles when exhaling.

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    Imaging for root sinus diagnosis

    Radiographs and endoscopy (and potentially MRI) are used to confirm a root in the maxillary sinus.

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    Root in maxillary sinus treatment

    If a root is in the maxillary sinus, it needs to be removed (or extracted) to prevent complications.

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    Mandible fracture cause

    Mandible fracture during extraction is often caused by excessive force, inappropriate technique, or existing conditions like pathological cysts.

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    Dislocation prevention during extraction

    Support the jaw and avoid excessive force to prevent T.M.J. dislocation.

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    Forceps for upper third molars

    Cowhorn forceps are designed for upper third molars with angled beaks.

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    Physic forceps advantage

    Physic forceps provide a greater mechanical advantage and reduced trauma/fracture risks during extractions.

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    Lower molar extraction (Cowhorn)

    Lower molar extraction with cowhorn forceps involves a bucco-lingual rocking motion.

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    Soft tissue retraction purpose

    Soft tissue retraction exposes the tooth and surrounding area for efficient extraction.

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    Forceps grip technique

    The recommended grip technique uses a palm grasp with the right hand control by the little finger during forceps use.

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    Opposite hand role in extraction

    The opposite hand, during extraction, reflects soft tissues for visibility and protects adjacent tissues.

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    Buccal/labial pressure aim

    Buccal/labial pressure is applied to stabilize the tooth in its socket for extraction.

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    Elevator function

    Elevators are used to loosen teeth before applying forceps; they provide luxation, not direct removal.

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    Elevator type for bone splitting

    Coupland's chisel elevates for bone splitting.

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    Elevator principle

    Elevators primarily work using the lever principle to lift teeth.

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    Fractured tooth root treatment first step

    Do not leave it in place. Instead, perform a typical or atypical tooth extraction.

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    Dislocated adjacent tooth during extraction

    Attempt to replant if the tooth is intact.

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    Bloody discharge from nose during extraction

    Indicates a perforation of the maxillary sinus, not a normal healing process.

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    Pushing tooth into premaxillary soft tissues

    Caused by improper use of elevators (tools used to loosen teeth).

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    Maxillary sinus floor perforation risk

    Minimized by avoiding excessive force and removing pathological tissues, not ignoring X-rays or removing teeth quickly

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    Oral diagnosis history purpose

    Gather essential information for accurate diagnosis, not to establish treatment plans outright.

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    Oral diagnosis patient history component

    Includes biographic data, chief complaint, medical history and systems review, not clinical examinations.

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    Assessing tenderness/abnormal responses in clinical exam

    Use palpation, not inspection, percussion, or auscultation.

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    Purpose of a biopsy in oral diagnosis

    To confirm the diagnosis of lesions, not to visualize hard tissues, test tooth vitality, or withdraw fluids.

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    Local anesthesia's primary dental purpose

    Provide pain relief in a specific area, not induce unconsciousness or enhance procedure duration.

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    Local anesthetic effect dependency

    Depends on duration of exposure and concentration, not temperature, age, or type of procedure.

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    Ideal local anesthetic property

    Has quick onset of action, low systemic toxicity, minimal allergic reactions, and doesn't permanently alter nerve structure.

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    Absolute contraindication for local anesthesia

    Acute inflammation at injection site and history of allergy to local anesthetic agents, not cognitive impairments or minor surgical procedures.

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    Paresthesia definition

    Altered sensation (e.g., tingling) after local anesthesia wears off.

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    Local anesthesia advantage over general anesthesia

    Patients remain awake during procedures, not higher complication rates, complex equipment, or greater expense.

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    Study Notes

    Oral Surgery Instruments and Techniques

    • Handpieces for Bone Removal: Low-speed, high-torque handpieces are used for removing bone, minimizing damage. High-speed, low-torque handpieces are inappropriate for bone removal.
    • Bone Preservation during Cutting: Irrigation with distilled water or saline is crucial with surgical burs to prevent bone damage from overheating. Lubricating oil, antiseptic solution, and hydrogen peroxide are unsuitable for this purpose.

    Suturing Materials and Techniques

    • Sutures for Oral Cavity: Curved needles are typically used in the oral cavity for suturing. Straight needles are less suitable for the confined spaces, while triangular and flat needles have different applications.
    • Surgical Curettes: Curettes are used for removing soft tissue from bony defects, not for cutting bone or holding tissue flaps.
    • Bone Files: Bone files are used to smooth bone surfaces, not to remove large amounts of bone rapidly or for irrigating the area.
    • Retractors: Kilner retractors are used for simultaneous retraction of the cheek and mucoperiosteal flap; other retractors are used for different specific tissue retraction.

    Sutures

    • Removable Sutures: Non-resorbable sutures need removal after the surgical procedure, whereas resorbable sutures dissolve on their own.
    • Suture Scissors: Suture scissors are specifically for cutting sutures, not for cutting bone, dissecting tissue or retracting tissue.
    • Sutures for Oral Mucosa: Fine sutures (e.g., 5/0 or 6/0) are often used for suturing oral mucosa. Larger sizes (e.g., 1/0 or 3/0) are used in different situations.

    Retractors (specific types)

    • Henahan and Seldin Retractors: These are used for retracting soft tissue, not for elevating mucoperiosteum, cutting sutures, or removing granulation tissue.

    Irrigation and Suction

    • Irrigation in Bone Removal: Irrigation with saline or distilled water is essential for cooling the surgical bur during bone removal, preventing thermal damage and maintaining visibility of the surgical field.
    • Suction Instruments: Suction instruments are used in oral surgery to remove blood, saliva, and debris, improving visibility during procedures .

    Needle Types

    • Taper Point Needles: Taper point needles are preferred for penetrating dense tissues because they cause less tissue trauma than cutting needles.
    • Curved Needles: Curved needles are used more frequently in oral surgery due to the confined spaces and the need to navigate around structures and corners.

    Retractors and Elevators (specific types)

    • Kilner Retractor: Primarily used to retract the cheek or other soft tissues from the surgical site.
    • Elevators: Elevators are used to gently luxate (or loosen) teeth before the extraction using forceps, not to remove bone during surgery.

    Sinus Perforation and Extraction Complications

    • Root in Maxillary Sinus: Teeth extraction causing root fragments in the maxillary sinus is a serious complication (often needing a surgical approach).

    Fracture and Dislocation Complications

    • Mandibular Fracture: Excessive force during extraction, or other patient-related conditions, can cause fracture of the mandible.
    • Temporomandibular Joint (TMJ) Dislocation: Proper support and avoidance of excessive force are crucial during tooth extractions to prevent dislocation of the TMJ.

    Soft Tissue Damage and Alveolar Bone Fractures

    • Soft Tissue Damage Prevention: Careful instrument handling, adhering to proper extraction techniques, and avoiding unnecessary force are crucial to preventing soft tissue damage during procedures.
    • Alveolar Bone Fracture Prevention: Proper technique and avoiding excessive force are necessary to prevent fracture of the alveolar bone.

    Tooth Extraction Considerations

    • Indications for extraction: Severe caries, severe periodontal disease, and orthodontic reasons are standard indications for extraction.
    • Pre-Extraction Evaluation: Clinical & radiographic evaluations are essential to assess oral conditions.

    Infection Control

    • Infection Control Practices: Strict adherence to infection control protocols (including sterilization techniques) is essential to prevent the spread of infectious agents including microorganisms and viral pathogens.

    Illumination and Operator Position

    • Illumination: Appropriate lighting is crucial for optimal visibility during oral surgery.
    • Operator Position: Position during extraction needs to consider the site's context & the required technique & access.

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    Description

    Test your knowledge of the instruments and techniques used in oral surgery. This quiz covers handpieces for bone removal, suturing materials, and surgical tools essential for successful procedures. Assess your understanding of how to preserve bone and the appropriate use of various sutures.

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