الفهرس 
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Abstract
The discovery of LA has enabled modern dentistry to be performed almost painlessly. Although the anesthetic effect can lead to a relatively painless dental procedure, the delivery of local anesthetic solution and the needle puncturing the mucosa can be uncomfortable. There is a constant search for ways to avoid the invasive and often painful nature of the injection, and to find a more pleasant means of producing LA before dental procedures. A CCLADS has been developed as a possible solution to reduce the pain related to the local anesthetic injection.
The current study was performed to evaluate & compare CCLADS ”The STA System” with the conventional syringe as regarding pain behavior during injection and to evaluate the effectiveness, with several doses of local anesthetic, during pulpotomy treatment procedures achieved for primary mandibular molars.
Thirty healthy children ranging in age between 6 to 8 years with mean age of 7.3 years were included in this study. All children were selected based on their need for conservative dentistry (vital pulpotomy in two antimere molars) in the mandible requiring LA. Patients served as their own control. They were randomly assigned to receive either injection using the CCLADS ”The STA System” or Conventional syringe during the first visit while the other injection technique was delayed for the second visit two weeks later.
One new injection site; the primary intraligamentary injection; was used in conjunction with CCLADS ”The STA System” while conventional IAN block was used with the conventional syringe. Pain or comfort was evaluated during injection and during pulpotomy procedure using two different types of scales to assess pain. These types are objective scales that are Frankl Behavior Rating Scale & SEM scale, and subjective scale that is VASOF.
Most of the children were comfortable during local anesthetic administration using CCLADS ”The STA System”. The anesthesia achieved was more effective for pulpotomy when 3/4 (approximately 0.90ml) & 1/2 of cartridge (approximately 0.90ml) of 2% mepivacaine as a primary intraligamentary injection administered with the CCLADS ”The STA System”.
The STA System resulted in significantly less injection pain than the conventional syringe.
As a whole, these results demonstrate that CCLADS ”The STA System” can significantly reduce disruptive behaviors in a population of children who are traditionally more difficult to manage. Reducing disruptive behaviors is important not only because it creates a more positive experience for a child, but also creates more positive experience for the practitioner. Moreover, these prove that the CCLADS ”The STA System” can be a good alternative for the conventional syringe.