A prospective non-randomised study to compare oral trauma from laryngoscope versus laryngeal mask insertion

Mourão, Joana; Neto, João Alves Grangeiro; Viana, José Antônio; Carvalho, João; Azevedo, Luís Filipe; Tavares, João Manuel Ribeiro da Silva

doi:10.1111/j.1600-9657.2010.00947.x

Cited by 26 publications

(25 citation statements)

References 16 publications

(21 reference statements)

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“…studied 404 patients and found a 3.7% incidence ; and Mourão et al. analysed 70 patients and obtained a higher incidence of 38.6% . In the first two, the exact methodology to diagnose the dental injuries were not described, whereas Mourão et al.…”

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confidence: 99%

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Dental injury after conventional direct laryngoscopy: a prospective observational study

Mourão

Neto²,

Luís³

et al. 2013

Anaesthesia

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SummaryThis observational study assessed the frequency and risk factors of dental damage after classic direct laryngoscopy for tracheal intubation in 536 adult patients. The patients' sex, age, height, weight, dental condition, dental mobility, Mallampati class, interincisor gap, thyromental distance, neck circumference, and head and neck extension were recorded. From anaesthesia records, the difficulty of intubation, the number of attempts, type of neuromuscular blocking agent used and duration of anaesthesia were recorded. After anaesthesia, examination revealed that 134 patients (25.0%) had dental damage affecting 162 teeth (147 maxillary; 15 mandibular). Enamel fracture was the commonest injury. In tooth number 21, the interincisor gap (OR 2.5 (95% CI 1.0-5.9)) and in tooth number 22, the number of intubation attempts (OR 5.3 (95% CI 1.3-22.0)) were considered a risk factor for dental injury. Conventional direct laryngoscopy is associated with a strikingly high incidence of dental damage, although specific risk factors remain unclear.

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confidence: 99%

“…However, one criticism of Mourão et al's. study was a small sample size . The aim of this study was to overcome some of the previous limitations and determine a more accurate incidence of dental damage and risk factors after conventional direct laryngoscopy for tracheal intubation.…”

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confidence: 99%

Dental injury after conventional direct laryngoscopy: a prospective observational study

Mourão

Neto²,

Luís³

et al. 2013

Anaesthesia

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“…3 Mourão et al reported that minor oral trauma was significantly more frequent after endotracheal intubation than after the use of an LMA. 4 Consistently, dental injury during the use of an LMA is rare. 5 An LMA should not be used in cases where difficult LMA insertion or pulmonary aspiration is likely and where elevated positive pressure ventilation may be necessary.…”

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confidence: 99%

Anesthetic Management by Laryngeal Mask Airway in a Patient With a History of Difficult Intubation Resulting in Dental Injuries

Asahi

Fujii

Usui

et al. 2015

Anesthesia Progress

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“…Usually only one tooth is injured, however simultaneous injuries of two or more teeth were already described (de Sousa and Mourao 2015;Burton and Baker 1987). The upper incisors are the most commonly injured teeth (de Sousa and Mourao 2015;Vogel et al 2009;Bernasinski et al 2012;Laidoowoo et al 2012;Mourao et al 2011). Different types of dental injuries were inconsistently reported across studies, including luxation injuries, avulsion and fractures of natural teeth or prosthetic restorations (de Sousa and Mourao 2015;Vogel et al 2009;Gaudio et al 2010;Jordana et al 2009).…”

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confidence: 99%

Multiple Tooth Fractures in Posterior Teeth Diagnosed Following Emergency Intubation

2017

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Background: This report presents a case of a patient with multiple tooth fractures in posterior teeth that were diagnosed several months following an emergency intubation. Findings: A 68-year-old woman, with a history of an emergency intubation during ascending aorta dissection repair performed 7 months ago, presented with a complaint of long lasting pain in the right side of her face, and a recent pain evoked by mastication and cold stimuli, located in her right mandibular area. Upon clinical examination, the 1st mandibular molar was diagnosed with chronic apical abscess associated with a vertical root fracture (VRF); the 2nd mandibular molar was diagnosed with extensive cracks across the floor of the pulp chamber, extending apically deep into the distal root. Both teeth were extracted, and the symptoms were resolved. Conclusions: Multiple posterior teeth may fracture as a result of emergency intubation procedure and the diagnosis of such fractures may be delayed and complicated. A thorough dental evaluation and follow-up after the emergency procedures is indicated. Additional clinical studies are warranted in order to shed light on this complication.

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A prospective non-randomised study to compare oral trauma from laryngoscope versus laryngeal mask insertion

Cited by 26 publications

References 16 publications

Dental injury after conventional direct laryngoscopy: a prospective observational study

Dental injury after conventional direct laryngoscopy: a prospective observational study

Anesthetic Management by Laryngeal Mask Airway in a Patient With a History of Difficult Intubation Resulting in Dental Injuries

Multiple Tooth Fractures in Posterior Teeth Diagnosed Following Emergency Intubation

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