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Dental Anaesthetics An Essential Overview

Dental Anaesthetics An Essential Overview

Dental Anaesthetics – An Essential Overview


Dental anaesthetics are a type of medicine used during dental procedures to numb areas of the mouth or induce sleep.

At Kent Express, our focus is on local anaesthetics and supplying tried and tested pharmaceuticals to our dentists.

Here is a rundown of four of the most widely used local anaesthetics in the UK; Septanest, Xylocaine, Lignospan Special and Scandonest.

What is a local dental anaesthetic?


Local anaesthesia is the most common dental aesthetic used in surgery. It is where a small area of the mouth is numbed. The patient remains fully conscious during treatment.

Local anaesthetics are the predominant choice for the following dental procedures.

  • Filings
  • Extractions
  • Root Canal
  • Crown Placement

Administration of local anaesthetics is mostly carried out in one of two ways- infiltration injection or block injection.

Infiltration injections involve the numbing of a small area of the mouth at the site of the injection. Block injections cover an entire region of the mouth.

As well as by injection, local anaesthesia can be given as an ointment, spray or drops.

Determining what local anaesthetic to administer, dosage and what technique to use depends not only on the type of procedure but on the patient too. Factors that need considering include patient age, weight, medical history, allergies and what medicines they’re currently taking.

What are the main types of local anaesthetic?


Septanest 4% with Adrenaline 1:20,000


septanest

Septanest is a local anaesthetic administered via an injection into the mouth of a patient (infiltration or nerve block injection)

Septanest contains articaine hydrochloride (local anaesthetic) and adrenaline (epinephrine) acid tartrate. The adrenaline acts as a vasoconstrictor which helps to prolong the effect of the articaine, keep the anaesthetic where it needs to be and control bleeding.

Septanest 1:100,000 has a higher epinephrine concentration than 1:200,000 formulation to improve blood control.

  • 4% articaine-based solution
  • Intermediate duration of action (enabling pulpal anaesthesia for roughly 60 minutes)
  • Authorised for use on adults, adolescents and children above 4 years old
  • Usual dose of between 1 to 2ml
  • Maximum dose of 7mg of articaine per kg body weight
  • Latex-free plungers and seals

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Xylocaine 2% with Adrenaline 1:80,000


xylocaine

Xylocaine is a local anaesthetic solution given via an injection into the mouth (infiltration or nerve block injection)

Xylocaine is made up of lidocaine hydrochloride (local anaesthetic) and adrenaline (epinephrine) acid tartrate. The adrenaline acts as a vasoconstrictor which helps to prolong the effect of the articaine, keep the anaesthetic where it needs to be and control bleeding.

Xylocaine is also available as a topical pump spray for patients afraid of needles. Effects should start to take effect in 1-5 minutes.

  • 2% lidocaine-based solution
  • Rapid onset of action after infiltration, averaging 2-3 minutes
  • Average duration of useful anaesthesia after infiltration is 60 minutes.
  • Usual dose of between 1 to 2ml
  • Latex-free cartridges

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Lignospan Special 2% With Adrenaline 1:80,000


ligonspan

Lignospan Special is a local anaesthetic solution given via an injection into the mouth (infiltration or nerve block injection)

Lignospan Special consists of Lidocaine hydrochloride (local anaesthetic) and adrenaline (epinephrine) acid tartrate. The adrenaline acts as a vasoconstrictor which helps to prolong the effect of the articaine, keep the anaesthetic where it needs to be and control bleeding.

Available in 1.8ml and 2.2ml cartridges.

  • 2% lidocaine-based solution
  • Rapid onset of action after infiltration, averaging 2-4 minutes
  • Pulpal anaesthesia from infiltration for 2-2.5 hours, nerve block 3-3.5 hours
  • Usual dose of between 1 to 2ml
  • Latex-free plungers and seals

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Scandonest 3% Plain


scandonest

Scandonest is a local anaesthetic solution given via an injection into the mouth (infiltration or nerve block)

Scandonest consists of 3% mepivacaine hydrochloride (local anaesthetic) without adrenaline.

Mepivacaine has a shorter duration of action compared to lidocaine and articaine anaesthetics.

  • 3% mepivacaine-based solution
  • Formulated without vasoconstrictor for specific dental procedures
  • Rapid onset of action after infiltration (30 to 120 seconds in the upper jaw; 1 to 4 minutes in the lower jaw)
  • Will ordinarily provide operating anaesthesia of 20 minutes in the upper jaw and 40 minutes in the lower jaw
  • Usual dose of between 1 to 2ml
  • Latex-free plungers and seals

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