LA Flashcards
How long should topical anaesthetic be applied for?
2 minutes
What is required to legally administer LA?
Gdc registration
Written, signed and dated tx plan
Re. ID blocks- dentist must be on the premises
Updated medical history
Wha nerve innervates teeth and Buccal mucosa of the maxillary incisors and canines?
Anterior superior alveolar nerve
What nerve innervates the palatial gingiva of then maxillary incisors and canines?
Nasopalatine nerve
Where should infiltration injections be given?
Near or into the Buccal fold
How much solution should be given?
1-2 mls
Why is only a small volume of solution required for the maxillary pre molars?
Teeth spices lie near the surface
What nerve innervates the maxillary pre molars?
Middle superior alveolar nerve
Superior plexus
What nerve innervates the palatial surfaces of the maxillary pre molars?
Greater palatine and some Naso palatine
What nerve innervates the maxillary molars?
Posterior superior alveolar nerve
What nerve supplies palatal aspect of maxillary molars?
Greater palatine
What problems may occur re. Anaesthesia of maxillary first molar?
Zygomatic arch can be obstructive and may require mesial and distal infiltration
What point should you aim for re. Palatal injections?
Between median raphe and gingival margin avoiding rugae and foramen
Why is infiltration not effective on mandibular teeth?
Pre molars and molars are covered by thick,compact lamina.
What nerve innervates incisors and canines?
Incisive nerve
