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The Journal of Prosthetic Dentistry

Volume 65, Issue 3, March 1991, Pages 335338Use of a multifunctional precision attachment in a fixed partial denture with limited periodontal support. A clinical report

Lambert J. Stumpel, D.D.S.Corresponding author contact information, *,Ruud W. Sips**

Breda, The NetherlandsAbstract

A multifunctional precision attachment used in a fixed partial denture with questionable prognosis enhances the serviceability of the reconstruction. In the treatment presented, future loss of the posterior abutments will not jeopardize thecomplete rehabilitation. Osseointegrated implants used in conjunction with a fixed prosthesis or a removable partial denture can restore the missing segments.

The Journal of Prosthetic Dentistry

Volume 58, Issue 3, September 1987, Pages 322327A classification of precision attachments

Gerardo Becerra, Odontol. Dr.*,Michael MacEntee, L.D.S., R.C.S. (I), F.R.C.D. (C)Corresponding author conta

ct information, **

AbstractThis study deals with the development of the retentive forces of dou

ble crowns intraorally measured. Twenty-five combined fixed-removable prostheseswith a total of 84 double crowns were included in the study. The intraoral measurement was performed at 72 defined measuring points directly adjacent to the double crowns of the dentures. The measurement was performed 4-6 weeks (baseline),6 months (recall 1), and 18 months (recall 2) after the insertion of the restoration. A specifically designed measuring device was used. The median values for

the single measuring points reached 4.705 N at the baseline, 5.190 N after 6 months, and 3.740 N after 18 months. The measured values were analyzed according todifferences between the median retention forces at the three defined points intime. The statistical analysis of the median values showed no statistical difference for the retention force change after 6 months but for the decrease until the second recall (Mann-Whitney test). The retention force per denture was calculated by a summation of the single measuring points. At the baseline, 12.9 N was reached. The forces did only decrease slightly and were not statistically significant. The results indicate that retention force values of double crowns, measured intraorally at the patient, do not relevantly change clinically within the first 1. 5 years. Within the limitations of this study, it can be stated that weardoes not influence the retentive forces of double crowns within the first 18 months. After this period the retention force should be still sufficient for dentur

e retention. 2011 Springer-Verlag.Attachment systems for implant overdenture: Influence of implant inclina

tion on retentive and lateral forces2011, Clinical Oral Implants ResearchClose

Yang T.-C. , Maeda Y. , Gonda T. , Kotecha S.Attachment systems for implant overdenture: Influence of implant inc

lination on retentive and lateral forcesClinical Oral Implants Research, Volume 22, Issue 11, November 2011,

Pages 1315-1319

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