Nerve Blocks / orthodontic courses by Indian dental academy

NERVE BLOCKSNERVE BLOCKS

INDIAN DENTAL ACADEMY

Leader in continuing dental education www.indiandentalacademy.com

www.indiandentalacademy.comwww.indiandentalacademy.com

Greater Palatine Nerve Greater Palatine Nerve BlockBlock

Anterior palatine nerve blockAnterior palatine nerve block


ANATOMICAL LANDMARKSANATOMICAL LANDMARKS

Maxillary 2Maxillary 2ndnd & 3 & 3rdrd molars molars Palatal gingival margins of the Palatal gingival margins of the

molarsmolars Midline of the palateMidline of the palate Line approx 1cm from palatal Line approx 1cm from palatal

margin towards the midlinemargin towards the midline


INDICATIONSINDICATIONS

Palatal Anesthesia in Palatal Anesthesia in conjunction with PSA or MSA conjunction with PSA or MSA BlocksBlocks

Surgery-Posterior palateSurgery-Posterior palate


AREAS ANESTHETIZEDAREAS ANESTHETIZED

Palatal Gingiva & Post portion of Palatal Gingiva & Post portion of Hard PalateHard Palate


TECHNIQUETECHNIQUE

Approach –Opposite sideApproach –Opposite side 1 inch, 25 gauge needle1 inch, 25 gauge needle Right angle to the curvature of Right angle to the curvature of

palatal bone.palatal bone. Anesthetic solution- 0.25 to Anesthetic solution- 0.25 to

0.5ml- injected slowly0.5ml- injected slowly


SYMPTOMSSYMPTOMS

Subjective-Numbness on Subjective-Numbness on contact with tonguecontact with tongue

Objective-absence of pain Objective-absence of pain sensationsensation


ADVANTAGESADVANTAGES

Deposition of solution anterior to Deposition of solution anterior to the foramen.the foramen.

Dual innervation.Dual innervation.


COMPLICATIONSCOMPLICATIONS

Palatal ischemiaPalatal ischemia


NASOPALATINE NASOPALATINE NERVE BLOCKNERVE BLOCK

Incisive nerve blockIncisive nerve block


ANATOMICAL LANDMARKSANATOMICAL LANDMARKS

Central incisor teethCentral incisor teeth Incisive papillaIncisive papilla


INDICATIONSINDICATIONS

Supplement for Anterior and Supplement for Anterior and Middle superior alveolar nervesMiddle superior alveolar nerves

Analgesia for maxillary anteriorsAnalgesia for maxillary anteriors Anesthesia of nasal septumAnesthesia of nasal septum


AREAS ANESTHETIZEDAREAS ANESTHETIZED

Anterior portion of the hard Anterior portion of the hard palatepalate

Palatal gingival tissue of six Palatal gingival tissue of six anterior teethanterior teeth


TECHNIQUETECHNIQUE

Extremely painful- preparatory Extremely painful- preparatory injection is made by inserting injection is made by inserting 1inch, 25 gauge needle into the 1inch, 25 gauge needle into the labial inter-septal tissue labial inter-septal tissue between maxillary central between maxillary central incisors and 0.25ml of solution is incisors and 0.25ml of solution is deposited.deposited.


TECHNIQUETECHNIQUE

Needle inserted slowly into crest Needle inserted slowly into crest of papillaof papilla

Advanced into the incisive Advanced into the incisive foramen, 0.5cm into the canal.foramen, 0.5cm into the canal.

0.25-0.5ml solution injected 0.25-0.5ml solution injected slowly to prevent distention of slowly to prevent distention of surrounding tissuesurrounding tissue


SYMPTOMSSYMPTOMS

Subjective-feeling of Numbness Subjective-feeling of Numbness on contact with palateon contact with palate

Objective-Absence of pain on Objective-Absence of pain on instrumentation instrumentation


COMPLICATIONSCOMPLICATIONS

Palatal soft tissue necrosisPalatal soft tissue necrosis


Thank youThank you

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Nerve Blocks / orthodontic courses by Indian dental academy

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