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Current methods of finish-line exposure by practicing prosthodontists
P A Hansen1, D E Tira, J Barlow
1School of Dentistry, Graduate Prosthodontics, University of Missouri-Kansas City 64108, USA. Hans398@aol.com
Summary
Prosthodontists widely use retraction cords for finish-line exposure, with plain or aluminum chloride-impregnated cords being most common. Epinephrine-containing cords are used less frequently, with reported side effects including increased pulse rate and anxiety.
Area of Science:
- Dental materials science
- Prosthodontics
- Clinical dentistry
Background:
- Finish-line exposure is crucial for accurate dental impressions.
- Various techniques and agents are employed to achieve adequate gingival retraction.
- Understanding current practices and potential side effects is essential for optimizing clinical outcomes.
Purpose of the Study:
- To survey members of The American College of Prosthodontists regarding current methods for finish-line exposure.
- To assess the frequency of using epinephrine compounds and any observed side effects.
Main Methods:
- A questionnaire was mailed to 2,436 members of The American College of Prosthodontists.
- Data from 1,246 returned questionnaires were analyzed using chi-squared analysis.
Main Results:
- Ninety-eight percent of prosthodontists use retraction cord, with 48% employing a double-cord technique.
- Plain cord (44%) and aluminum chloride-impregnated cord (18%) are most frequently used.
- Epinephrine-impregnated cord use was 14%, with 33% reporting side effects like increased pulse rate and anxiety.
Conclusions:
- Prosthodontists utilize diverse techniques and agents for finish-line exposure.
- No significant differences in retraction cord use were found based on specialty training completion year.
- Copper band usage is significantly higher in the northwestern United States.
