Dental Anesthesia

T/F Local anesthetics act by blocking potassium channels which blocks nerve conduction.

False, block sodium channels

________-anesthetic deposited near nerve endings, numbs a small area.

Infiltration

_______ ______-anesthetic deposited near a major nerve trunk, numbs a large area

Nerve block

Area anesthetized by incisive nerve block?

1. Pulpal anesthesia of premolars, incisors, and canine teeth.

2. facial / buccal periodontium

of premolars, incisors, and canine teeth.

Area anesthetized by mental nerve block?

Facial/buccal periodontium of premolars and anterior teeth.

Area anesthetized by buccal nerve block?

buccal periodontium of molars

Area anesthetized by Inferior Alveolar (IA) Nerve Block?

1. Pulpal anesthesia of all teeth and anesthesia of lingual periodontium on entire side,

2. Anesthesia of buccal/facial periodontiumof premolars incisors, canine teeth

3. Anesthesia of anterior 2/3 of tongue

Area anesthetized by nasopalantine nerve block?

Palatal periodontium of canines and incisors, anterior hard palate.

Area anesthetized by Greater Palatine (GP) Nerve Block?

Palatal periodontium of molars and premolars, posterior hard palate

Area anesthetized by Middle Superior Alveolar (MSA) Block?

1. Pulpal anesthesia of premolars and mesobuccal root of 1st molar.

2. Anesthesia of associated buccal periodontium.

Area anesthetized by Anterior Superior Alveolar (ASA) Block?

1. Pulpal anesthesia to canine and incisors

2. Anesthesia of associated facial periodontium.

Area anesthetized by Infraorbital (IO) Nerve Block?

1. Pulpal anesthesia of incisors canine, premolars, and

2. Anesthesia of associated facial /buccal periodontium.

Area anesthetized by Posterior Superior Alveolar (PSA) Block?

1.Pulpal anesthesia of molars (except for mesobuccal root

of M1).

2. Associated buccal periodontium (alveolar bone, gingiva, periodontal ligament)