Dear Dr. Maciej Goczewski,

It is a great honour for us to have you in ESDE Annual Meeting, which will take place in Oporto, in 2nd and 3rd of June 2006.

At the present moment the scientific framing is still being created, but we can inform that your lecture is scheduled for Saturday morning, 3 June 2006 from 9:30am to 10am.

During the first day of the ESDE Annual Meeting and Saturday morning, will be presented scientific communications related with Ergonomics, with 30 minutes each.

We would like to seize the opportunity to inform you that English is the official language of the congress.

Far beyond the lectures, we have "Hands-on Demonstrations" after the communications period. In this way, we would like to invite you, beyond thelecture, to be speaker in a Hands-on

Demonstration related with the topic "Use of microscope in endodontics", which will occur on Saturday between 11:30am to 12:30pm in rotating system with the other demonstrations (30 minutes each).

For this demonstration we will have available 3 Zeiss microscopes. Please let us know if you nee any more equipment.

Looking forward to receiving your positive answer, we remain, Yours faithfully,

Jono Freitas Dias
President of the Organizing Committee

Dear Dr. Maciej Goczewski,

The European Society of Dental Ergonomics Annual Meeting is the biggest event in Dental Ergonomics area in Europe and will take place in Oporto, on the 2nd and 3rd of June 2006 hosted by the Portuguese Dental Association.

On behalf of the Scientific and Organizing Committees, we would like to formalize our invitation to have you as a lecturer in the scientific programme of the event related with the topic "How to incorporate a microscope ergonomically in dental office".

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Yours faithfully,

Jono Freitas Dias
President of the Organizing Committee