LO 5 LS 2 - Apply Topical Anesthetics

What is the first step before applying topical anesthetic?

Follow infection prevention and control protocols.

When should hand hygiene be performed during the procedure?

Before and after wearing gloves.

What PPE should be worn when applying topical anesthetic?

Uniform, clinic jacket, safety glasses, mask, and gloves.

What eyewear should be provided to the client?

Safety glasses.

What should be used when transferring instruments and supplies?

The transfer zone.

Why are fulcrums used during the procedure?

To provide stability and control.

What landmark is used for a maxillary infiltration?

The highest point in the vestibule at the injection site.

What landmark is used for an inferior alveolar nerve block?

The pterygomandibular raphe at the midpoint between the maxilla and mandible.

What landmark is used for a buccal nerve block?

The mandibular vestibule distal and buccal to the last molar.

What is the first step after identifying landmarks?

Retract tissues to expose the injection site.

Why should gauze be used before applying topical anesthetic?

To dry the injection site.

Why must tissue retraction be maintained?

To keep the injection site dry.

How long should topical anesthetic be left in place for induction?

1-2 minutes.

What is used to apply topical anesthetic?

A cotton-tipped applicator.

What should be done after the induction time is complete?

Remove the cotton-tipped applicator.

What is the final step after removing the applicator?

Wipe away excess topical anesthetic with gauze.

What is the correct sequence for applying topical anesthetic?

Retract → dry → maintain retraction → apply for 1-2 minutes → remove applicator → wipe excess.

Why must the injection site remain dry during topical anesthetic placement?

Moisture can reduce the anesthetic's effectiveness.

What should always be maintained throughout the procedure?

Infection prevention and control protocols and client safety.

What are the three landmark locations commonly tested on exams?

Maxillary infiltration: highest vestibular point; inferior alveolar block: pterygomandibular raphe; buccal block: distal and buccal to the last molar.