Clinical and Radiographic Evaluation of Short Implants Placed in the Posterior Mandible: A 1-Year Pilot Split-Mouth Study.

Adánez, Mireia Haro; Brezavšček, Miha; Vach, Kirstin; Fonseca Escalante, Manrique; Att, Wael (2018). Clinical and Radiographic Evaluation of Short Implants Placed in the Posterior Mandible: A 1-Year Pilot Split-Mouth Study. Journal of oral implantology, 44(4), pp. 250-259. Allen Press 10.1563/aaid-joi-D-18-00037

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In many cases, due to anatomical limitations, the placement of regular-length implants cannot be facilitated without the performance of advanced surgical procedures. However, these are associated with morbidity, prolonged treatment time, and costs. To overcome such disadvantages, short implants were introduced. The aim of this prospective pilot split-mouth study was to compare the clinical outcome between short implants (7 mm) and regular-length (≥10 mm) implants placed in the posterior mandible after 1 year of prosthetic delivery. Ten patients received 4 implants in the posterior mandible. Two short implants were placed in one side and 2 regular-length implants were placed contralaterally. These were restored by means of splinted screw-retained metal-ceramic crowns. Marginal bone loss (MBL) and soft-tissue parameters were compared. No implant failed. Both types of implants showed success rates of 90% and survival rates of 100%. From prosthetic delivery to 1 year post-loading a bone gain of +0.29 mm for short implants and +0.19 mm for regular-length implants was present without showing any statistically significant differences in MBL between the 2 implant types ( P > .05). Bleeding on probing, clinical attachment level, probing depth, and crown-to-implant ratio did not show any statistically significant differences between the 2 implant lengths ( P > .05). One case of chipping occurred in the regular-length implant group, leading to a prosthetic survival rate of 95%. Short implants showed a prosthetic survival rate of 100%. After 1 year, short implants showed comparable clinical outcomes to that of regular-length implants, making them a viable treatment option in the posterior mandible.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > School of Dental Medicine > Clinic of Reconstructive Dentistry and Gerodontology

UniBE Contributor:

Fonseca Escalante, Manrique

Subjects:

600 Technology > 610 Medicine & health

ISSN:

0160-6972

Publisher:

Allen Press

Language:

English

Submitter:

Vanda Kummer

Date Deposited:

27 May 2019 16:34

Last Modified:

27 May 2019 16:34

Publisher DOI:

10.1563/aaid-joi-D-18-00037

PubMed ID:

29717922

Uncontrolled Keywords:

clinical outcome complications short implants success survival

URI:

https://boris.unibe.ch/id/eprint/126899

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