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BMC Oral Health. 2019 Nov 21;19(1):253. doi: 10.1186/s12903-019-0940-0.

A novel guided surgery system with a sleeveless open frame structure: a retrospective clinical study on 38 partially edentulous patients with 1 year of follow-up.

Author information

1
Casablanca Oral Rehabilitation Training & Education Center (CORTEC), Casablanca, Morocco. j.mouhyi@hotmail.fr.
2
Biomaterials Research Department, International University of Agadir (Universiapolis), 8143, Agadir, Morocco. j.mouhyi@hotmail.fr.
3
Department of Periodontics, University of Pennsylvania, Philadelphia, PA, USA.
4
Department of Periodontics, Medical College of Georgia, Atlanta, GE, USA.
5
Department of Prevention and Communal Dentistry, Sechenov First Moscow State Medical University, 119992, Moscow, Russia.
6
Department of Dental Sciences, Vita and Salute University, San Raffaele, Milan, Italy.

Abstract

BACKGROUND:

This retrospective clinical study aims to present results of experience with a novel guided surgery system with a sleeveless, open-frame structure, in which the surgical handpiece (not the drills used for preparation) is guided.

METHODS:

This study was based on an evaluation of the records of partially edentulous patients who had been treated with a sleeveless open-frame guided surgery system (TWIN-Guide®, 2Ingis, Brussels, Belgium), between January 2015 and December 2017. Inclusion criteria were patients with good systemic/oral health and a minimum follow-up of 1 year. Exclusion criteria were patients who had been treated without a guide, or with a guide with sleeves, patients with systemic/oral diseases and who did not have a follow-up of 1 year. The main outcomes were surgical (fit and stability of the surgical guide, duration of the intervention, implant stability, and any intra-operative or immediate post-operative complication), biologic, and prosthetic.

RESULTS:

Thirty-eight patients (24 males, 14 females; mean age 56.5 ± 14.0 years) were included in the study. These patients had been treated with 110 implants inserted by means of 40 sleeveless, open-frame guides. With regard to fit and stability, 34 guides were excellent, 4 acceptable, and 2 inadequate for use. The mean duration of the intervention was 23.7 (± 6.7) minutes. Immediately after placement, 2 fixtures were not stable and had to be removed. Two patients experienced pain/swelling after surgery. The 108 surviving implants were restored with 36 single crowns and 32 fixed partial prostheses (24 two-unit and 8 three-unit bridges); these restorations survived until the 1-year follow-up, with a low incidence of biologic and prosthetic complications.

CONCLUSIONS:

Within the limits of this study, this novel guided surgery system with sleeveless, open frame-structure guides seems to be clinically reliable; further studies on a larger sample of patients are needed to confirm these outcomes.

KEYWORDS:

Complications; Fit; Guided implant surgery; Open-frame sleeveless guides; Stability

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