Article (Scientific journals)
Clinical and Radiographic Assessment of Circular Versus Triangular cross-section neck Implants in the Posterior Maxilla: A 1-year Randomized Controlled Trial
LI MANNI, Lou; LECLOUX, Geoffrey; Rompen, Eric et al.
2020In Clinical Oral Implants Research
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Abstract :
[en] Objectives: Implants with a triangular neck were recently introduced to limit peri-implant bone loss. The primary objective of this randomized controlled trial was to compare peri-implant bone changes of circular versus triangular cross-section neck implants 1-year after loading. The secondary objectives were to assess buccal hard tissue thickness changes, Pink Esthetic Score (PES) and patient satisfaction. Material and methods: Thirty four patients requiring replacement of the single, intercalated missing tooth of healed site for at least 4 months in the posterior maxilla were randomized into 2 groups according to the type of implant. Immediately after surgery and 1 year after final restoration, a cone beam CT (CBCT) was performed to assess proximal bone remodeling and buccal bone thickness. Peri-implant soft tissue health, PES and patient-reported outcome measures (PROMs) were recorded. Results: No implant loss occurred within the follow-up period. The mean ± SD peri-implant proximal bone loss 1-year after loading was 0.22 ± 0.30 mm for triangular and 0.42 ± 0.67 mm for circular implants necks (p=0.25). Peri-implant bone loss exceeding 2 mm was observed in a single implant in the circular neck group. Buccal bone thickness remained stable and did not differ different between the 2 groups. The peri-implant soft tissue health, PES and patient satisfaction were also comparable. Conclusions: Within the limitations of the present study, patient clinical and radiographic outcomes did not differ between triangular and circular cross-section neck implants in the posterior maxilla.
Research center :
d‐BRU - Dental Biomaterials Research Unit - ULiège [BE]
Disciplines :
Dentistry & oral medicine
Author, co-author :
LI MANNI, Lou ;  Centre Hospitalier Universitaire de Liège - CHU > Département de dentisterie > Service parodontologie, chir. bucco-dentaire et implantaire
LECLOUX, Geoffrey ;  Centre Hospitalier Universitaire de Liège - CHU > Département de dentisterie > Service parodontologie, chir. bucco-dentaire et implantaire
Rompen, Eric ;  Université de Liège - ULiège > Département de sciences dentaires > Chirurgie bucco-dentaire et parodontologie
Aouini, Walid
Shapira, Lior
LAMBERT, France ;  Centre Hospitalier Universitaire de Liège - CHU > Département de dentisterie > Service parodontologie, chir. bucco-dentaire et implantaire
Language :
English
Title :
Clinical and Radiographic Assessment of Circular Versus Triangular cross-section neck Implants in the Posterior Maxilla: A 1-year Randomized Controlled Trial
Publication date :
2020
Journal title :
Clinical Oral Implants Research
ISSN :
0905-7161
eISSN :
1600-0501
Publisher :
Blackwell, Oxford, United Kingdom
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 04 May 2020

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