Dental Surgery: Anesthesia and Soft Tissue Management

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What is the primary concern when designing a flap for periapical surgery?

Ensuring the flap is large enough to accommodate multiple teeth

Creating a flap that is aesthetically pleasing

Placing the incision over solid bone to provide visual access (correct)

Minimizing soft tissue trauma

What is the advantage of using a full mucoperiosteal flap in periapical surgery?

It keeps intact supraperiosteal vessels (correct)

It allows for easier retraction of the flap

It improves blood supply to the surgical site

It reduces post-operative pain

What should be avoided when designing a flap for periapical surgery?

Incisions over radicular eminences

Incisions across major muscle attachments

Incisions that are too short

All of the above (correct)

What is the purpose of a horizontal incision in periapical surgery?

To extend at least one to two teeth lateral to the tooth to be treated Signup and view all the answers

What is the purpose of a vertical incision in periapical surgery?

To allow the tissue retractor to seat on solid bone Signup and view all the answers

What is a major disadvantage of the triangular flap in periapical surgery?

Limited surgical access Signup and view all the answers

What is a potential complication of disrupting vertically oriented blood vessels during periapical surgery?

Increased bleeding Signup and view all the answers

Which type of flap is contraindicated in mandibular posterior teeth?

Rectangular flap Signup and view all the answers

In which situations is the palatal approach in periapical surgery considered challenging?

Due to limited visibility and accessibility Signup and view all the answers

What is an advantage of the rectangular flap in periapical surgery?

Good surgical access Signup and view all the answers

What is the primary purpose of a periosteal elevator in flap reflection during periapical surgery?

To separate the soft tissues from the alveolar bone Signup and view all the answers

What is a contraindication for the trapezoidal flap in periapical surgery?

Periradicular surgery Signup and view all the answers

What is a consequence of a retractor resting on the base of reflected tissues during periapical surgery?

Damage to microcirculation and delayed healing Signup and view all the answers

What is an indication for the horizontal flap in periapical surgery?

Repair of cervical defects Signup and view all the answers

What type of flap design is indicated for surgical procedures in palatal roots of molars and premolars?

All of the above Signup and view all the answers

In papilla-base flap, where is the horizontal incision located?

At the papillary base Signup and view all the answers

What is the disadvantage of submarginal curved flap design?

Poor surgical access Signup and view all the answers

What is the advantage of submarginal scalloped rectangular flap design?

Adequate surgical access Signup and view all the answers

Why is submarginal curved flap design not recommended for periradicular surgery?

It has poor surgical access Signup and view all the answers

What is the similarity between submarginal curved and submarginal scalloped rectangular flap designs?

Both do not involve marginal or interdental gingivae Signup and view all the answers

What is the main purpose of placing a root-end filling during periapical surgery?

To prevent recontamination of the periradicular tissues Signup and view all the answers

What is a crucial factor to consider when determining the extent of root-end resection?

Accessibility of the surgical site Signup and view all the answers

What is an advantage of using an ER: YAG laser in periapical surgery?

Reducing the risk of trauma to adjacent tissue Signup and view all the answers

What is a key consideration when designing a flap for periapical surgery?

The location of adjacent vital structures Signup and view all the answers

What is the primary goal of the second stage of wound healing in periapical surgery?

Preventing recontamination of the periradicular tissues Signup and view all the answers

What is the ideal temperature range to avoid during osseous tissue management in periapical surgery?

47-50°C Signup and view all the answers

What is the purpose of using a high-speed handpiece that exhausts air from the base in periapical surgery?

To reduce the risk of air embolism Signup and view all the answers

How can the presence of small defects in the bone be confirmed during periapical surgery?

By placing a piece of lead sheet or gutta-percha in the defect Signup and view all the answers

What is the purpose of measuring the entire tooth length with a file on a preoperative radiograph in periapical surgery?

To determine the location of the root apex Signup and view all the answers

What is the consequence of heat generation during osseous tissue management in periapical surgery?

Greatly reduced bone formation and cellular damage Signup and view all the answers

What is the primary purpose of resecting the apical 3 mm of the root during periapical surgery?

To eliminate most accessory and lateral canals Signup and view all the answers

What is a disadvantage of beveling the root-end resection at an angle of 30 to 45 degrees?

It increases the risk of leakage Signup and view all the answers

What is the advantage of using a zero-degree bevel in root-end resection?

It exposes fewer dentinal tubules Signup and view all the answers

What is the purpose of positioning the straight fissure bur at the desired angle during root-end resection?

To predetermine the amount of root-end to be resected Signup and view all the answers

What is a disadvantage of the straight fissure bur technique in root-end resection?

It may remove more root structure than necessary Signup and view all the answers

What is the primary concern when resecting the apex of the root during periapical surgery?

To prevent damage to vital structures Signup and view all the answers

What is the advantage of maintaining maximum root length during periapical surgery?

It reduces the risk of leakage Signup and view all the answers

Why is a bevel of 0-10 degrees recommended for root-end resection?

To reduce the risk of leakage Signup and view all the answers

What is the purpose of shaving away the root from the apex during root-end resection?

To shave away the root from the apex to the desired length Signup and view all the answers

What is the advantage of using a straight fissure bur in root-end resection?

It allows for continual observation of the root-end during cutting Signup and view all the answers