This trial is terminated!
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More info
You can access this
clinical trial
if you have
Paediatric Dentistry
and you are
between 7 and 11
years old
The phase for this study is not defined.
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The purpose

This clinical trial investigates relative benefits (clinical effectiveness and quality of life) of two extraction patterns when lower first permanent molars (FPM) are extracted in children The study objectives are to determine whether compensating extraction of upper FPMs following loss of lower FPMs in children is of benefit. The particular benefits being investigated are related to the resulting occlusion, patient experience and oral health related quality of life. The follow up will extend over a period of 5 years or until the patient is 14 years of age - whichever is earlier.

Provided treatments

  • Procedure: Extraction of upper and lower FPM teeth
  • Procedure: Extraction of lower FPM tooth

Locations near you

Unfortunately, there are no recruiting locations near you. Please check the list with all locations below.
Tris trial is registered with FDA with number: NCT01591265. The sponsor of the trial is Professor David Bearn and it is looking for 7 volunteers for the current phase.
Official trial title:
SIXES: Should I eXtract Every Six? A Randomized Clinical Trial of the Extraction of First Permanent Molar Teeth in Children