Extrait

Background and study aims Teeth injuries are considered one of the most challenging events that occur in dentistry, especially in children. After an injury, there is a possibility that the blood supply to the tooth may become compromised. This, in turn, can lead to the death of the tooth as the tooth pulp is no longer being supplied with blood. Such a tooth is called a non-vital tooth. The conventional tools available to assess the nerves and blood supply to a tooth are not always reliable due to many reasons including cooperation and understanding especially children. Failure to assess how good a blood supply is to the tooth may result in tooth death, weakening it and leaving in vulnerable to removal. The laser doppler flowmetry is a machine that has been used for several years. It is non-invasive and painless and shown to be more reliable than the traditional techniques. However, the current data is based on weak evidence. The aim of this study is to assess the reliability of this machine. Who can participate? Children aged 8-16 with a root canal treated non-vital tooth. What does the study involve? Participants are randomly allocated into one of two groups. Those in group 1 (test group) have their teeth vitality assessed using laser doppler flowmetry. Those in group 2 (control) have their teeth sensibility assessed using conventional electrical and thermal (ethyl chloride) pulp tests. What are the possible benefits and risks of participating? There are no potential risks. The patient should not experience any pain, discomfort, distress, inconvenience or change to lifestyle. There is no direct benefit to research participants. However, the results from the study may help to benefit future patients when they have dental injuries. We are assessing the use of diagnostic tools in this study regardless of any treatment needs. Any treatment will be provided at Leeds Dental Institute as per local protocols regardless of participation in the study. Where is the study run from? Leeds Dental Institute (UK) When is the study starting and how long is it expected to run for? May 2015 to July 2017 Who is funding the study? University of Leeds (UK) Who is the main contact? Mr Nahar Ghouth

Critère d'inclusion

• The validation and assessment of the accuracy of laser doppler flowmetry in comparison to conventional pulp sensibility tests (electrical pulp test and ethyl chloride) in assessing pulpal vitality of permanent anterior traumatised teeth in paediatric patients

Liens

• ictrp
• isrctn