It is very important for the dentist Practising implant dentistry to process the knowledge in implant prosthetic complication.

Polyurethane can be used as adhesive, resin for filling, root canal filling material, implant, orthodontic appliance, tissue engineering and so on in the field of dentistry.

The article discussed the application of transitional implant in periodontology and prosthetic dentistry by the way of literature review.