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Extraction of maxillary teeth by dental students without palatal infiltration of local anaesthesia: a randomised controlled trial
Author(s) -
Khan S. R.,
Qazi S. R.
Publication year - 2017
Publication title -
european journal of dental education
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.583
H-Index - 41
eISSN - 1600-0579
pISSN - 1396-5883
DOI - 10.1111/eje.12215
Subject(s) - dentistry , medicine , randomized controlled trial , general anaesthesia , orthodontics , anesthesia , surgery
Objective Palatal infiltration of local anaesthesia ( LA ) for maxillary tooth extractions is painful. One of the techniques for reducing the discomfort of this injection is to avoid it altogether. Given enough time, LA administered only as buccal infiltration diffuses to reach and anaesthetise the palatal tissues. The aim of this double‐blind randomised controlled trial was to test the hypothesis that buccal infiltration alone of LA by dental students should be adequate for maxillary tooth extractions. Patients and methods Fifty adult patients presenting for single‐tooth maxillary extractions were randomly allocated between two groups. The control group received palatal injections of 0.1 ml 2% lidocaine with 1:100,000 adrenaline, whilst the experimental group received a similar amount of saline (placebo). Extractions performed without further administration of LA were categorised as successful. Results Palatal infiltration of lidocaine with adrenaline was significantly more effective than saline ( P = 0.002). Overall buccal infiltration alone was successful in 28% patients, with a 40% success rate in the posterior maxilla. Conclusion Results suggest that dental students should, as a matter of routine, extract maxillary teeth with both buccal and palatal infiltration of LA , whilst buccal infiltration alone may be considered in the posterior maxilla.

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