Journal of Dental Anesthesia and Pain Medicine

The Korean Dental Society of Anesthsiology (대한치과마취과학회)
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Effectiveness of anterior middle superior alveolar injection using a computer-controlled local anesthetic delivery system for maxillary periodontal flap surgery

  • Tandon, Shruti (Department of Periodontics, Maulana Azad Institute of Dental Sciences) ;
  • Lamba, Arundeep Kaur (Department of Periodontics, Maulana Azad Institute of Dental Sciences) ;
  • Faraz, Farrukh (Department of Periodontics, Maulana Azad Institute of Dental Sciences) ;
  • Aggarwal, Kamal (Department of Periodontics, Maulana Azad Institute of Dental Sciences) ;
  • Ahad, Abdul (Department of Periodontics, Dr. Ziauddin Ahmad Dental College, Faculty of Medicine, Aligarh Muslim University) ;
  • Yadav, Neha (School of Dental Medicine, University of Colorado)
  • Received : 2019.01.09
  • Accepted : 2019.02.09
  • Published : 2019.02.28
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Abstract

Background: Profound anesthesia with adequate duration is required in periodontal flap surgery, which involves the manipulation of both hard and soft tissues. The anterior middle superior alveolar (AMSA) injection may be an alternative to multiple injections required for this purpose in the maxilla. The present study aimed to assess the effectiveness of AMSA injection using computer-controlled local anesthetic delivery (CCLAD) system to anesthetize buccal hard tissue (BHT), buccal soft tissue (BST), palatal hard tissue (PHT), and palatal soft tissue (PST) around the maxillary teeth. Methods: Thirty-five patients who were indicated for open flap debridement in a whole maxillary quadrant were given AMSA injection using the CCLAD. The effectiveness of anesthesia was evaluated using subjective and objective parameters around each tooth. Supraperiosteal infiltrations were administered to complete the surgery wherever the AMSA injection was ineffective. Results: The AMSA injection was more effective on the palatal tissues than on the buccal tissues, as 94.14% of PST and 87.89% of PHT sites were anesthetized compared to 49.22% and 43.75% of BHT and BST sites, respectively. There was no significant difference in the frequency of anesthesia around the anterior and posterior teeth. The PHT was significantly more anesthetized (P = 0.003) in males than in females. Conclusions: The AMSA injection using CCLAD is highly effective on palatal tissues and could be used as a first-line anesthesia for periodontal flap surgery. However, its effect on buccal tissues is less predictable, with supraperiosteal infiltration often required to supplement the AMSA injection.

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