Tooth Extraction Clinical Trial
Official title:
Is the Direct Inferior Alveolar Nerve Block Required for Third Lower Molar Extraction?
This study is a Randomized Controlled Trial (RCT) which objective is to compare the effectiveness, efficacy and complication associated to an infiltrative anesthetic technique for the removal of lower third molars comparing it to the standard inferior alveolar nerve block using 4% articaine 1:100.000 epinephrine.
The objective is to compare the anesthetic efficacy of an infiltrative anesthetic technique
placed buccally between the first and second mandibular molars plus infiltration of the third
molar's lingual mucosa with the direct inferior alveolar nerve block plus buccal nerve block
for the extraction of lower wisdom teeth. All using 4% articaine 1:100.000 epinephrine. The
first technique is to be referred as Alternative Technique (A.T.) and the second Standard
Technique (S.T.) The study is being conducted at the Hospital Odontològic Universitat de
Barcelona (Campus de Bellvitge) and is being carried out by members of the Oral Surgery and
Implantology Master's program of the University of Barcelona.
The sample (110 patients) consists of patients in need of lower third molar extraction. All
of them are being properly informed about the study according to the Comité Ético (CEIC) del
Hospital Odontològic Universitat de Barcelona guidelines, and informed consent must be signed
prior to the interventions. All patients derive from the Institut Català de la Salut-Consorci
Sanitari.
The materials used are 1.8cc carpules of 4% articaine and 1:100.000 epinephrine, dental
anesthetic syringe, dental anesthetic needles of 35 mm 27G and 25 mm 27G as well as all the
documents necessary for data collection.
The determinations to be done are the pulpal anesthetic efficacy (in seconds, using a
pulpometer), chin and tongue numbness (patient reported, measured in seconds), need for
supplemental anesthesia, comfort (pain experienced during the punctions and during and after
surgery), morbility (cramp sensation in the tongue or lip when performing the anesthetic
technique, local and/or systemic complications).
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