Indications for LA injections (3) - To assist in establishing the diagnosis
Patient Education
Provide therapy
Contraindications to LA injections (4) - Presence of inflammation/infection
Presence of a bleeding disorder
Reported allergy to the solution
Patient apprehension
Types of injections (3) - Muscle injections
Nerve block injections
Intracapsular injections
What do you determine when giving and IAN injection? - It only innervates the periodontium- Teeth,
gingiva etc. So if the periodontium is numb and the pain is gone- it is not a TMD disorder.
Or vice versa
4 general rules for giving an injection - Know the anatomy
Know the solution
Use sterile techniques
Always aspirate
Type of anesthetic for muscle injections (3) - 0.5% procaine w/o vasoconstrictor
2% lidocaine w/o vasoconstrictor
3% mepivacaine w/o vasoconstrictor (carbocaine and polocaine)
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