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Anesthetic efficacy of an inferior alveolar nerve block in soft tissue and correlation between soft tissue and pulpal anesthesia

Authors
 Sin-Yeon Cho  ;  Wonwoo Choi  ;  Junyoung Kim  ;  Sung-Taek Kim  ;  Hee-Jin Kim  ;  Il-Young Jung 
Citation
 CLINICAL ORAL INVESTIGATIONS, Vol.23(3) : 1061-1065, 2019 
Journal Title
 CLINICAL ORAL INVESTIGATIONS 
ISSN
 1432-6981 
Issue Date
2019
Keywords
Inferior alveolar nerve block ; Predictive value ; Pressure algometer ; Soft tissue anesthesia
Abstract
OBJECTIVES: This study was aimed at evaluating the anesthetic success rates in various regions of soft tissue after inferior alveolar nerve (IAN) block and comparing the success rates of soft tissue anesthesia with those of pulpal anesthesia to find correlations. MATERIALS AND METHODS: Fifty-nine dental students received an IAN block injection. A total of four test sites were used for soft tissue anesthesia using a pressure algometer (PA): the corner of the lower lip vermilion border (LL); the buccal-attached gingiva of the lateral incisor (BGI), the molar (BGM), and the lingual gingiva (LG). The lateral incisor (LI) and the first molar (M1) were evaluated for pulpal anesthesia using an electric pulp tester. To evaluate whether soft tissue anesthesia can be an indicator of pulpal anesthesia, the positive predictive value (PPV) and negative predictive value (NPV) were calculated. RESULTS: The highest success rate for soft tissue anesthesia was seen on the LG (93.9%), followed by LL (79.6%), BGI (53.1%), and BGM (14.3%). The PPVs of LL for the M1 and Ll were 74.4 and 59.0%. The NPVs for the M1 and LI were much higher in the LL (90.0 and 100%, respectively) than in the BGI (56.5 and 69.6%, respectively). CONCLUSIONS: The highest success rate was found in the LG. Lip numbness was not an indicator of pulpal anesthesia of M1 and LI. However, if the LL was not anesthetized, the probabilities of failed pulpal anesthesia were very high in the LI and M1. CLINICAL RELEVANCE: The clinicians need to consider not doing an additional lingual nerve block after IAN block.
Full Text
https://link.springer.com/article/10.1007%2Fs00784-018-2532-9
DOI
10.1007/s00784-018-2532-9
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Conservative Dentistry (보존과학교실) > 1. Journal Papers
Yonsei Authors
Jung, Il Young(정일영) ORCID logo https://orcid.org/0000-0001-8972-2664
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/169419
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