Influence of buccal and palatal bone thickness on post-surgical marginal bone changes around implants placed in posterior maxilla: a multi-centre prospective study

BMC Oral Health

Research

Teresa Lombardi¹  Claudio Stacchi²  Antonio Rapani²  Umberto Pratella³  Francesco Perillo⁴  Fabio Bernardello⁵  Marco Cicciù⁶  Luca Fiorillo⁷ 

[1]Department of Health Sciences, Magna Graecia University, 88100, Catanzaro, Italy

[2]Department of Medical, Surgical and Health Sciences, University of Trieste, 34125, Trieste, Italy

[3]Private Practice, 40138, Bologna, Italy

[4]Private Practice, 80121, Naples, Italy

[5]Private Practice, Terranegra di Legnago (VR), 37045, Legnago, Italy

[6]School of Dentistry, Department of General Surgery and Surgical-Medical Specialties, University of Catania, 95124, Catania, Italy

[7]School of Dentistry, Department of General Surgery and Surgical-Medical Specialties, University of Catania, 95124, Catania, Italy

[8]Multidisciplinary Department of Medical-Surgical and Odontostomatological Specialties, University of Campania “Luigi Vanvitelli”, 80121, Naples, Italy

[9]School of Dentistry, Aldent University, 1001, Tirana, Albania

关键词: Dental implant;    Bone remodeling;    Bone tissue;    Maxillary bone;    Piezosurgery;    Socket preservation;   

DOI  :  10.1186/s12903-023-02991-3

 received in 2022-12-01, accepted in 2023-04-26,  发布年份 2023

来源: Springer

【 摘 要 】

BackgroundNumerous clinical variables may influence early marginal bone loss (EMBL), including surgical, prosthetic and host-related factors. Among them, bone crest width plays a crucial role: an adequate peri-implant bone envelope has a protective effect against the influence of the aforementioned factors on marginal bone stability. The aim of the present study was to investigate the influence of buccal and palatal bone thickness at the time of implant placement on EMBL during the submerged healing period.MethodsPatients presenting a single edentulism in the upper premolar area and requiring implant-supported rehabilitation were enrolled following inclusion and exclusion criteria. Internal connection implants (Twinfit, Dentaurum, Ispringen, Germany) were inserted after piezoelectric implant site preparation. Mid-facial and mid-palatal thickness and height of the peri-implant bone were measured immediately after implant placement (T0) with a periodontal probe and recorded to the nearest 0.5 mm. After 3 months of submerged healing (T1), implants were uncovered and measurements were repeated with the same protocol. Kruskal-Wallis test for independent samples was used to compare bone changes from T0 to T1. Multivariate linear regression models were built to assess the influence of different variables on buccal and palatal EMBL.ResultsNinety patients (50 females, 40 males, mean age 42.9 ± 15.1 years), treated with the insertion of 90 implants in maxillary premolar area, were included in the final analysis. Mean buccal and palatal bone thickness at T0 were 2.42 ± 0.64 mm and 1.31 ± 0.38 mm, respectively. Mean buccal and palatal bone thickness at T1 were 1.92 ± 0.71 mm and 0.87 ± 0.49 mm, respectively. Changes in both buccal and palatal thickness from T0 to T1 resulted statistically significant (p = 0.000). Changes in vertical bone levels from T0 to T1 resulted not significant both on buccal (mean vertical resorption 0.04 ± 0.14 mm; p = 0.479) and palatal side (mean vertical resorption 0.03 ± 0.11 mm; p = 0.737). Multivariate linear regression analysis showed a significant negative correlation between vertical bone resorption and bone thickness at T0 on both buccal and palatal side.ConclusionThe present findings suggest that a bone envelope > 2 mm on the buccal side and > 1 mm on the palatal side may effectively prevent peri-implant vertical bone resorption following surgical trauma.Trial RegistrationThe present study was retrospectively recorded in a public register of clinical trials (www.clinicaltrials.gov - NCT05632172) on 30/11/2022.

【 授权许可】

CC BY   
© The Author(s) 2023

【 图 表 】

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