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[The conventional and the digital impression method for single-unit and multi-unit fixed dental prostheses].

E J Wiersema¹, C M Kreulen, N H J Creugers

¹Uit de vakgroep Orale Functieleer van het Universitair Medisch Centrum St Radboud in Nijmegen. ej.wiersema@dent.umcn.nl

Nederlands Tijdschrift Voor Tandheelkunde

|August 8, 2013

Summary

Accurate dental casts are essential for fixed prostheses. Both conventional and digital impression methods require specific conditions, with digital impressions offering advantages but not being universally applicable.

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Area of Science:

Dentistry
Prosthodontics
Dental Materials Science

Context:

Accurate casts are crucial for fabricating single-unit and multi-unit fixed dental prostheses.
Both conventional and digital impression techniques are employed to obtain these casts.
Optimal results from either method depend on achieving dry tooth surfaces and clearly exposed finish lines.

Purpose:

To compare the conventional impression method with the digital impression method for obtaining dental casts.
To highlight the requirements and characteristics of each impression technique.
To evaluate the applicability and advantages of digital impressions in prosthodontics.

Summary:

Conventional impressions utilize elastic materials like elastomers for high detail accuracy and dimensional stability.

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Digital impressions involve scanning teeth or implants to create a digital cast for direct use in computer-aided manufacturing.

The digital method offers advantages over conventional techniques but has limitations in certain prosthetic cases.

Impact:

Understanding the nuances of both impression methods aids clinicians in selecting the most appropriate technique for predictable prosthetic outcomes.
This comparison informs the choice between traditional and modern digital workflows in dental laboratories and clinics.
Advances in digital dentistry continue to evolve, impacting the efficiency and accuracy of fixed dental prosthesis fabrication.