A Doctor.
Go to the dentist
no it was done on purpose.
Please state what you think the problem is
Buddha's intent was to end suffering. This was to be done by understanding at suffering is caused by desire and that it can be eliminated by controlling desire.
turnakit
The best way to relieve a headache is by having acupuncture done. This sentence works since acupuncture is a complementary medicine used to relieve pain.
The invention of writing allowed people to communicate more broadly than had previously been done.
Professor Louis Grant's most famous invention was the telephone, which he invented in 1876.
It is not called euthanasia if the decision to end a life is made without the consent of the individual, or if it is done for purposes other than relieving suffering, such as for financial gain or convenience. euthanasia is a voluntary act done with the agreement of the person who is suffering.
An invention is something designed to achieve a practical application which has not been previously done. A creation is associated more with a work of art or a sculpture.
Good deeds are not a facet of Buddhist thought, there are only deeds. In the widest sense of doing a good deed the Buddha thought his way through to the cause and cure of human suffering and shared the knowledge with mankind.