Surgical Incisions and Flaps

Play an AI-generated podcast conversation about this lesson

What should the base of the flap be wider than?

The periosteum

The buccal vestibule

The free gingival margin (correct)

The bone defect

In which area are vertical releasing incisions contraindicated?

Canine eminence

Lingual surface of the mandible

Area of mental foramen, between mandibular first and second premolars (correct)

Transverse incisions in the palate

What is the main advantage of a three-sided flap?

Limited access

Good reapproximation of tissue to the original position (correct)

Tension on the tissue

Easy modification once reflected

What is the disadvantage of a semilunar flap?

Limited accessibility and visualization of the surgical field Signup and view all the answers

What is the primary consideration in flap design when dealing with multiple teeth and long roots?

Length and shape of roots involved Signup and view all the answers

Why is it important to avoid desiccation of the flap during delicate handling and manipulation?

To prevent wound dehiscence Signup and view all the answers

Where should the lowest point of the incision for a semilunar flap be located?

0.5 cm from the gingival margin Signup and view all the answers

Why should vertical releasing incisions not be extended beyond the depth of the muco-buccal fold?

To prevent tension on the suture line Signup and view all the answers

What is the purpose of reflection of the mucoperiosteal flap using periosteal elevators?

To strip periosteum from bone Signup and view all the answers

When is a two-sided flap (Triangular Flap) performed?

For extensive surgical field exposure Signup and view all the answers

What type of incision forms a Submarginal (Ochsenbein-Luebke) flap?

Scalloped horizontal incision in attached gingiva with two vertical releasing incisions Signup and view all the answers

Which type of flap does not involve marginal or interdental gingiva?

Submarginal (Ochsenbein-Luebke) Signup and view all the answers

What is the major disadvantage of a flap with a Y-shaped incision?

It can easily tear due to thin mucosa Signup and view all the answers

Which type of flap is used for closure of oroantral fistula or communication by incorporating the greater palatine vessel?

Palatal Transpositional Flap Signup and view all the answers

What is a disadvantage of the Submarginal (Ochsenbein-Luebke) flap?

Possible delayed healing Signup and view all the answers

Why is the Buccal Advancement Flap referred to as a three-sided flap?

Because it is transversely incised to remain pedicled only by the mucosa Signup and view all the answers

In which surgical procedures of the palate is a flap with a Y-shaped incision mainly used?

Removal of exostoses (torus palatinus) Signup and view all the answers

What is a limitation of using the Submarginal (Ochsenbein-Luebke) flap in mandibular surgery?

Limited use in mandibular surgery Signup and view all the answers

What does the Palatal Transpositional Flap incorporate for closure of oroantral fistula or communication?

Greater palatine vessel Signup and view all the answers

What is a flap in the context of oral surgery?

A section of soft tissue outlined by surgical incisions Signup and view all the answers

What is the purpose of a blade number 15 in oral surgical procedures?

Suitable for most oral surgical procedures Signup and view all the answers

How should the scalpel blade be mounted on the scalpel-handle?

With the beveled end parallel to that of the handle Signup and view all the answers

What is the recommended approach for making incisions in oral surgery?

At right angles to the underlying bone Signup and view all the answers

Why should a new and sterile blade be used for each patient in oral surgery?

To prevent contamination from patient to patient Signup and view all the answers

What is the main component of a full mucoperiostial flap in oral surgery?

Mucosa, submucosa, and periosteum Signup and view all the answers

What is the scalpel grasp recommended for maximum control and tactile sensitivity?

Pen grasp Signup and view all the answers

What is the appropriate action if a scalpel blade's cutting edge becomes blunted intraoperatively?

Replace it with a new sterile one immediately Signup and view all the answers

What should be maintained with sutures in the context of a flap in oral surgery?

The original position of the flap Signup and view all the answers

What is the primary purpose of reflection of a full mucoperiostial flap in oral surgical procedures?

To gain access to underlying tissues for surgery Signup and view all the answers

Why is it important to use a sterile blade for each patient in oral surgery?

To prevent cross-contamination between patients Signup and view all the answers

What is a flap in the context of oral surgery?

A section of soft tissue outlined by surgical incisions Signup and view all the answers

Which tissues are typically included in a full mucoperiostial flap used in oral surgery?

Mucosa, submucosa, and periosteum Signup and view all the answers

What is the basic principle regarding the use of a scalpel blade in oral surgery incisions?

A new and sterile blade should be used for each patient Signup and view all the answers

What is the suitable blade number for most oral surgical procedures?

15 Signup and view all the answers

How should the scalpel be grasped for maximum control and tactile sensitivity during incisions in oral surgery?

In a pen grasp Signup and view all the answers

What angle should the incision be made at in relation to the underlying bone in oral surgery?

At a right angle Signup and view all the answers

What does a flap allow in the context of oral surgery?

Surgical access to underlying tissues Signup and view all the answers

How is a scalpel blade mounted on the scalpel-handle?

With the help of a needle holder or hemostat Signup and view all the answers

What should be done if a scalpel blade becomes blunted during oral surgery?

It should be replaced with a new one intraoperatively Signup and view all the answers

What is the primary function of an incision in oral surgery?

To provide access to underlying tissues Signup and view all the answers

Why is it important to use a new and sterile blade for each patient in oral surgery?

To minimize the risk of infection transmission Signup and view all the answers

What is the advantage of using the spore of Bacillus stearothermophilus to test the reliability of heat sterilization?

It is resistant to heat and steam Signup and view all the answers

What is a disadvantage of using dry heat sterilization?

High temperatures may damage more heat-sensitive items Signup and view all the answers

Which type of steam sterilizer is primarily used to process laboratory media, water, and nonporous articles?

Gravity displacement autoclave Signup and view all the answers

What is an advantage of using an autoclave for sterilization?

Rapid heating and penetration of heat Signup and view all the answers

What is the purpose of using a biological indicator in sterilization monitoring?

To ensure complete destruction of all forms of microbial life Signup and view all the answers

What is the primary function of presoaking instruments in a presoak solution?

To begin to dissolve or soften the debris on instruments Signup and view all the answers

What is the advantage of using ethylene oxide for sterilization?

Effectiveness for sterilizing porous materials and large equipment Signup and view all the answers

What are autoclave tapes primarily used for in the context of instrument sterilization?

To monitor sterilization time and temperature changes on a heat-sensitive paper tape Signup and view all the answers

What should be done during the packaging stage of instrument sterilization?

Place instruments in a sealed package or pouch Signup and view all the answers

What is the purpose of drying or cooling instruments after sterilization?

Store Instruments in a dry, protected area Signup and view all the answers

When is ethylene oxide effective for killing all organisms, including spores?

At 50°C within 3 hours Signup and view all the answers

What is the primary consideration in flap design when dealing with multiple teeth and long roots in oral surgery?

Primary closure without tension Signup and view all the answers

Which substance is NOT recommended for dentistry because it is not effective against the hepatitis B virus and becomes inactivated by soap?

Iodophors Signup and view all the answers

What is the most common risk for transmission of disease from infected patients to the staff in a dental office?

Accidental needle sticks or scalpel lacerations Signup and view all the answers

Which microorganism is highly resistant to desiccation and most chemical disinfectants, including alcohols, phenols, and quaternary ammonium compounds?

Mycobacterium tuberculosis Signup and view all the answers

What is the primary means of inactivating the hepatitis B virus according to the text?

Halogen-containing disinfectants Signup and view all the answers

How is HIV transmitted from one individual to another, according to the text?

Direct contact between virus-laden blood or secretions and a mucosal surface or epithelial wound Signup and view all the answers

What should dental staff wear to prevent transmission of TB from an infected individual, according to the text?

Face-masks (specifically, surgical N95 respirator masks) Signup and view all the answers

What concentration of chlorine compounds can prevent transfer of the hepatitis viruses when used on surfaces, according to the text?

0.2% Signup and view all the answers

What substance is NOT suitable for general dental disinfection because it evaporates too rapidly?

Alcohols Signup and view all the answers

What is the most commonly used substance for disinfecting dental instruments for surgery, according to the text?

Glutaraldehyde Signup and view all the answers

What is the primary means of preventing sharps injuries, according to the text?

Disposing of used blades, needles, and other sharp disposable items into rigid, well-marked receptacles specially designed for contaminated sharp objects Signup and view all the answers

What substance is NOT recommended for dentistry because it evaporates too rapidly?

Alcohols Signup and view all the answers

What should be done with reusable instruments and supplies to prevent transmission of TB from an infected individual to the dental staff, according to the text?

Sterilize with heat or ethylene oxide gas Signup and view all the answers

Which process involves the destruction of all pathogenic microorganisms, or organisms capable of causing infection?

Disinfection Signup and view all the answers

What is the primary purpose of using an antiseptic?

To inhibit the activity or destroy microorganisms on living tissue Signup and view all the answers

What characterizes medical asepsis?

Attempt to prevent microbes from gaining access to surgically created wounds Signup and view all the answers

Why is moist heat considered more effective than dry heat for sterilization?

Moist heat causes destructive protein coagulation quickly at relatively low temperatures Signup and view all the answers

What is the main purpose of surgical asepsis?

Prevention of microbes from gaining access to surgically created wounds Signup and view all the answers

What is the purpose of using a disinfectant on nonvital objects?

To kill surface vegetative pathogenic microorganisms Signup and view all the answers

What is the breakdown of living tissue by the action of microorganisms, usually accompanied by inflammation?

Sepsis Signup and view all the answers

What is the reduction of the number of viable microorganisms called?

Decontamination Signup and view all the answers

What is a disadvantage of using dry heat for sterilization?

It requires extremely high temperatures Signup and view all the answers

What is the primary function of an antiseptic?

To inhibit the activity or destroy microorganisms on living tissue Signup and view all the answers

Surgical Incisions and Flaps

Choose a study mode

Podcast

Questions and Answers

What should the base of the flap be wider than?

In which area are vertical releasing incisions contraindicated?

What is the main advantage of a three-sided flap?

What is the disadvantage of a semilunar flap?

What is the primary consideration in flap design when dealing with multiple teeth and long roots?

Why is it important to avoid desiccation of the flap during delicate handling and manipulation?

Where should the lowest point of the incision for a semilunar flap be located?

Why should vertical releasing incisions not be extended beyond the depth of the muco-buccal fold?

What is the purpose of reflection of the mucoperiosteal flap using periosteal elevators?

When is a two-sided flap (Triangular Flap) performed?

What type of incision forms a Submarginal (Ochsenbein-Luebke) flap?

Which type of flap does not involve marginal or interdental gingiva?

What is the major disadvantage of a flap with a Y-shaped incision?

Which type of flap is used for closure of oroantral fistula or communication by incorporating the greater palatine vessel?

What is a disadvantage of the Submarginal (Ochsenbein-Luebke) flap?

Why is the Buccal Advancement Flap referred to as a three-sided flap?

In which surgical procedures of the palate is a flap with a Y-shaped incision mainly used?

What is a limitation of using the Submarginal (Ochsenbein-Luebke) flap in mandibular surgery?

What does the Palatal Transpositional Flap incorporate for closure of oroantral fistula or communication?

What is a flap in the context of oral surgery?

What is the purpose of a blade number 15 in oral surgical procedures?

How should the scalpel blade be mounted on the scalpel-handle?

What is the recommended approach for making incisions in oral surgery?

Why should a new and sterile blade be used for each patient in oral surgery?

What is the main component of a full mucoperiostial flap in oral surgery?

What is the scalpel grasp recommended for maximum control and tactile sensitivity?

What is the appropriate action if a scalpel blade's cutting edge becomes blunted intraoperatively?

What should be maintained with sutures in the context of a flap in oral surgery?

What is the primary purpose of reflection of a full mucoperiostial flap in oral surgical procedures?

Why is it important to use a sterile blade for each patient in oral surgery?

What is a flap in the context of oral surgery?

Which tissues are typically included in a full mucoperiostial flap used in oral surgery?

What is the basic principle regarding the use of a scalpel blade in oral surgery incisions?

What is the suitable blade number for most oral surgical procedures?

How should the scalpel be grasped for maximum control and tactile sensitivity during incisions in oral surgery?

What angle should the incision be made at in relation to the underlying bone in oral surgery?

What does a flap allow in the context of oral surgery?

How is a scalpel blade mounted on the scalpel-handle?

What should be done if a scalpel blade becomes blunted during oral surgery?

What is the primary function of an incision in oral surgery?

Why is it important to use a new and sterile blade for each patient in oral surgery?

What is the advantage of using the spore of Bacillus stearothermophilus to test the reliability of heat sterilization?

What is a disadvantage of using dry heat sterilization?

Which type of steam sterilizer is primarily used to process laboratory media, water, and nonporous articles?

What is an advantage of using an autoclave for sterilization?

What is the purpose of using a biological indicator in sterilization monitoring?

What is the primary function of presoaking instruments in a presoak solution?

What is the advantage of using ethylene oxide for sterilization?

What are autoclave tapes primarily used for in the context of instrument sterilization?

What should be done during the packaging stage of instrument sterilization?

What is the purpose of drying or cooling instruments after sterilization?

When is ethylene oxide effective for killing all organisms, including spores?

What is the primary consideration in flap design when dealing with multiple teeth and long roots in oral surgery?

Which substance is NOT recommended for dentistry because it is not effective against the hepatitis B virus and becomes inactivated by soap?

What is the most common risk for transmission of disease from infected patients to the staff in a dental office?

Which microorganism is highly resistant to desiccation and most chemical disinfectants, including alcohols, phenols, and quaternary ammonium compounds?

What is the primary means of inactivating the hepatitis B virus according to the text?

How is HIV transmitted from one individual to another, according to the text?

What should dental staff wear to prevent transmission of TB from an infected individual, according to the text?

What concentration of chlorine compounds can prevent transfer of the hepatitis viruses when used on surfaces, according to the text?

What substance is NOT suitable for general dental disinfection because it evaporates too rapidly?

What is the most commonly used substance for disinfecting dental instruments for surgery, according to the text?

What is the primary means of preventing sharps injuries, according to the text?

What substance is NOT recommended for dentistry because it evaporates too rapidly?

What should be done with reusable instruments and supplies to prevent transmission of TB from an infected individual to the dental staff, according to the text?

Which process involves the destruction of all pathogenic microorganisms, or organisms capable of causing infection?

What is the primary purpose of using an antiseptic?

What characterizes medical asepsis?

Why is moist heat considered more effective than dry heat for sterilization?

What is the main purpose of surgical asepsis?

What is the purpose of using a disinfectant on nonvital objects?

What is the breakdown of living tissue by the action of microorganisms, usually accompanied by inflammation?

What is the reduction of the number of viable microorganisms called?

What is a disadvantage of using dry heat for sterilization?

What is the primary function of an antiseptic?

More Like This