In the case of one survivor, the technique had failed completely, and the baby required surgery after birth.
The technique failed many more times than it succeeded.
This is an important point given that otherwise effective techniques sometimes fail to score because they are delivered without a shout.
Using alternative techniques may improve the success individually when a technique fails.
However this technique has failed to gain acceptance with the vast majority of the patients.
Even the best techniques sometimes fail to permanently save the tooth.
The simplicity of sound and light machines may help people to relax where more traditional techniques fail.
However such techniques have failed in the past for several reasons.
Many radical surgical techniques have failed in the past.
He tried a new technique and the experiment failed, resulting in his being blamed.