____________ technique involves insertion of the needle into the ...

[ericka1]

____________ technique involves insertion of the needle into the gingival sulcus along the long axis of the tooth to be treated.
 a. Periodontal ligament injection
  b. Intraligamentary injection
  c. Both a and b
  d. None of the above

Question 2

Vertical positioning will show more open contacts of the premolar.
 a. True
  b. False
 Indicate whether the statement is true or false

[AaaA]

Answer to Question 1

c
RATIONALE: The periodontal ligament injection and the intraligamentary injection techniques involve insertion of the needle into the gingival sulcus along the long axis of the tooth to be treated.

Answer to Question 2

False
RATIONALE: Horizontal positioning will show more open contacts of the premolar.

[ericka1]

Thanks for the timely response, appreciate it

[diana chang]

Excellent