Fig. 7. Multiple graphs comparing A-B distance (height bone) (a) and the C-D distance (tissue thickness) (b) among different groups. Differences between groups were assessed by Dunn’s multiple comparison test (*P
Fig. 6. Graph comparing the data of buccal (B) and lingual (L) measured the C-D distance (tissue thickness). Group 1 = implant installed in fresh extraction and submerged; group 2 = implants in fresh extraction and immediately exposed; group 3 = implants installed in healed site and submerged; and group 4 = implants in healed site and immediately exposed
Fig. 6. Graph comparing the data of bu...
Fig. 5. Graph comparing the data of buccal (B) and lingual (L) measured the A-B distance (bone height). Group 1 = implant installed in fresh extraction and submerged; group 2 = implants in fresh extraction and immediately exposed; group 3 = implants installed in healed site and submerged; and group 4 = implants in healed site and immediately exposed
Fig. 5. Graph comparing the data of buc...
Fig. 4. Images of groups 3 and 4 representing the implants place in healed alveolar sites. Picrosirius red staining. Original magnification × 4
Fig. 4. Images of groups 3 and 4 representing the implants place in healed alveolar sites. Picrosirius red staining. Original magnification × 4
Fig. 3. Images of groups 1 and 2 representing the implants place in fresh sockets sites. Picrosirius red staining. Original magnification × 4
Fig. 3. Images of groups 1 and 2 representing the implants place in fresh sockets sites. Picrosirius red staining. Original magnification × 4
Fig. 2. Parameters measured in each group. Crestal bone loss is the distance between the implant collar (A) and the first bone contact of the crestal bone (B) = A-B bone height; and, the tissue thickness that is the distance from the implant collar (C) to the more external portion of the tissues (D) = C-D tissue thickness. Picrosirius red staining. Original magnification × 16
Fig. 2. Param...
Fig. 1. Image of the implant (a) and surface (b) used in the present study
Fig. 1. Image of the implant (a) and surface (b) used in the present study
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Gehrke, S.A., Bragança, L.K., Velasco-Ortega, E. et al. Evaluation of dimensional behavior of peri-implant tissues in implants immediately exposed or submerged in fresh extraction and healed sites: a histological study in dogs.
Int J Implant Dent 4, 5 (2018). https://doi.org/10.1186/s40729-018-0120-z
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Received: 02 October 2017
Accepted: 10 January 2018
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Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were m...
Sergio Alexandre Gehrke, Leana Kathleen Bragança, Eugenio Velasco-Ortega, and Jose Luis Calvo-Guirado declare that they have no competing interests.
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Biotecnos Research Center, Calle Cuareim, 1483, CP: 11.100, Montevideo, Uruguay
Sergio Alexandre Gehrke
University Catholica San Antonio de Murcia (UCAM), Murcia, Spain
Sergio Alexandre Gehrke
Implant Dentistry, Seville University, Seville, Spain
Leana Kathleen Bragança
General Dentistry, Seville University, Seville, Spain
Eugenio Velasco-Ortega
Implant Dentistry Master, Seville Universit...
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Within the limitations of this study, our findings suggest that the crestal bone height is larger when implants are inserted in healed areas in comparison with implants installed in fresh extraction sites. Moreover, significant differences were found between non-exposed and immediately exposed implants with regards to crestal bone height position, and higher thickness tissue values in the groups o...
New studies are needed to define the influence of other surface compositions and neck configurations for implants placed in fresh extraction sockets with/or without submerged and the influence of abutment change on crestal bone stabilization during the remodeling process. These would appear to be important factors for improving peri-implant bone and soft tissue stability and clinical outcomes, inc...
In the present study, the implants were positioned in the crestal bone level, by following Bornstein et al. [34, 35] which reported that the implants are often inserted within the bone crest. Tomasi et al. [36] in a clinical trial observed that the implant position conditioned the amount of buccal crest resorption. Moreover, the thickness of the buccal bone plate and the tridimensional positioning...
The immediate implants in fresh sockets have demonstrated a great success rate [18, 22,23,24]. However, the removal of a single tooth followed by immediate placement of an implant results in marked alterations of the ridge in the horizontal as well as in the vertical dimension. The early phases of tissue integration in immediate post-extraction implants have been well documented [1, 25, 26]. The i...
The surgical sites healed uneventfully. All animals presented appropriate healing during the first week following the surgical procedure. Post-surgical inspections for 2 weeks post-operatively indicated the absence of infection or inflammation. All implants presented osseointegration after the proposed period and were available for histological analysis.
Direct contact was observed between livin...
A power analysis was conducted to determine appropriate sample size; although it was determined that 6 samples from each group would generate a 95% confidence limit (G3Power), 10 samples were proposed for each situation to increase the level of significance.
The hemimandibles were removed with care to preserve the integrity of both peri-implant hard and soft tissues, washed in saline solution and fixed in 10% buffered formalin, and sent for processing at the Laboratory of Ucam-Biotecnos (Murcia, Spain). Specimens were dehydrated in ascending series of alcohol rinses and embedded in a glycol methacrylate resin (Technovit 7200 VLC; Kulzer, Wehrheim, Ger...
A total of 40 implants were installed (ICI implant, Galimplant, Sarria, Spain), with 3.5 mm in diameter by 10 mm in length. Eight implants in each dog, half per hemimandible. The surface treatment of this implant model is developed by blasting with three different granulometries of Al2O3 and pickling using a hydrofluoric solution (HF) at low temperature and short time, which aims to remove any t...
Then, the good results were obtained with both techniques (implants placed into fresh alveolus and implants non-submerged); these have been joined together with the objective to reduce the time of the treatment. However, the esthetic results can directly influence by the peri-implant tissue dimension (vertical or horizontal) and position in relationship of the cervical implant portion. In this way...
After the tooth loss, there is a progressive involution of the alveolar bone both in the horizontal and the vertical dimensions [1, 2]. Moreover, the most rapid reduction in the alveolar bone after tooth extraction occurs during the first 3 months [3, 4]. Implants immediately positioned in alveolus after the surgical extraction of the tooth exhibit a success ranging from 92.7 to 98.0% [5]. Some a...
The aim of this study was to compare histologically the dimensional behavior of peri-implant tissues during osseointegration of immediately exposed or submerged implant placement in fresh extraction and healed sites.
Four fresh extraction and four delayed implant sites were placed in each hemimandible of five dogs at the bone crest level. In 2 implants of each side were installed a healing abutme...