Article

Diplopia after inferior alveolar nerve block anesthesia: report of 2 cases and literature review.

Department of General Dentistry, Dental Hospital, Yonsei University, Seoul, South Korea.
Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics (impact factor: 1.5). 07/2009; 107(6):e21-4. DOI:10.1016/j.tripleo.2009.02.009 pp.e21-4
Source: PubMed

ABSTRACT Inferior alveolar nerve block (IANB) anesthesia is one of the most common procedures in the dental clinic. Although this procedure is well known for its safety, complications can still occur. An ocular complication such as diplopia, loss of vision, or ophthalmoplegia is very rare, but once it happens, both the dentist and patient can be perplexed by the unexpected circumstance, and the doctor-patient trust may be harmed. We experienced 2 cases of diplopia after IANB anesthesia. This report describes the cause and diagnosis of the associated symptoms and includes a review of the literature.

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    Article: Is supraperiosteal infiltration anesthesia safe enough to prevent inferior alveolar nerve during posterior mandibular implant surgery?
    Osman A Etoz, Nilay Er, Ahmet E Demirbas
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    ABSTRACT: There is no agreement on using inferior alveolar nerve (IAN) block or supraperiosteal infiltration anesthesia during dental implant surgery in the posterior mandibular region. The aim of this study was to evaluate the effectiveness of supraperiosteal infiltration anesthesia on posterior mandibular region during dental implant surgery. In this study 52 implants were inserted under supraperiosteal infiltration anesthesia in 29 patients. After the surgery, patients were instructed to note their pain and/or painless dyscomfort on the visual analogue scale (VAS). Their pressure pain threshold (PPT) scores were evaluated by mechanical algometer. The distance between the apical end of the implants and IAN was measured by using calipers on postoperatif panoramic radiographs. 50 implants to 27 patients had been able to place without pain under supraperiosteal infiltration. Implants which were placed at the mandibular second premolar and first molar region had been able to place with free of pain with supraperiosteal infiltration. There was no relationship among the distance between the apical ends of the implants and IAN with intraoperative discomfort of the patients. VAS scores during implant placement at the second premolar region were relatively higher than at the first and second molar region. Supraperiosteal infiltration anesthesia is a safe and effective method for posterior mandibular implant surgery. However the length of the implant should be determined carefully to avoid possible damage to IAN during implant placement under supraperiosteal infiltration anesthesia.
    Medicina oral, patologia oral y cirugia bucal 01/2011; 16(3):e386-9.
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Keywords

associated symptoms
 
dental clinic
 
dentist
 
diplopia
 
doctor-patient trust
 
IANB
 
IANB anesthesia
 
Inferior alveolar nerve block
 
ocular complication
 
unexpected circumstance