scholarly journals Schneider Membrane Elevation in Presence of Sinus Septa: Anatomic Features and Surgical Management

2012 ◽  
Vol 2012 ◽  
pp. 1-6 ◽  
Author(s):  
Mario Beretta ◽  
Marco Cicciù ◽  
Ennio Bramanti ◽  
Carlo Maiorana
Keyword(s):  
Maxillary Sinus ◽  
Lateral Approach ◽  
Sinus Lift ◽  
Sinus Floor Elevation ◽  
Posterior Maxilla ◽  
Maxillary Sinus Floor ◽  
Sinus Floor ◽  
The Right ◽  
Maxillary Sinus Floor Elevation ◽  
Gothic Arch

Maxillary sinus floor elevation via a lateral approach is a predictable technique to increase bone volume of the edentulous posterior maxilla and consequently for dental implants placement. The sinus floor is elevated and it can be augmented with either autologous or xenogeneic bone grafts following an opening bone window created on the facial buccal wall. Maxillary septa are walls of cortical bone within the maxillary sinus. The septa shape has been described as an inverted gothic arch arising from the inferior or lateral walls of the sinus and may even divide the sinus into two or more cavities. Some authors have reported a higher prevalence of septa in atrophic edentulous areas than in nonatrophic ones. Radiographic identification of these structures is important in order to perform the right design of the lateral window during sinus lift. Aim of this investigation is to highlight the correct steps for doing sinus lift surgery in presence of those anatomic variations. Clinicians should always perform clinical and radiographic diagnosis in order to avoid complications related to the sinus lift surgery.

scholarly journals Goat Model for Direct Visualizing the Effectiveness of Detaching Sinus Mucosa in Real Time During Crestal Maxillary Sinus Floor Elevation

2017 ◽  
Vol 43 (4) ◽  
pp. 247-253
Author(s):  
Jiadong Fan ◽  
Pin Hu ◽  
Yanfeng Li ◽  
Fuli Wang ◽  
Xinming Dong ◽  
...  
Keyword(s):  
Maxillary Sinus ◽  
Real Time ◽  
Ex Vivo ◽  
Sinus Lift ◽  
Sinus Floor Elevation ◽  
Maxillary Sinus Floor ◽  
Sinus Floor ◽  
Maxillary Sinus Floor Elevation ◽  
Sinus Mucosa ◽  
Space Volume

The procedure of crestal maxillary sinus floor elevation presents a great challenge to the field of implant dentistry. Due to the limited visualization in this procedure, the effectiveness of detaching sinus mucosa could not be assessed in real time. We recently developed an ex vivo goat sinus model by cutting the goat residual skulls along four lines determined from computerized tomography (CT) scans, extracting the maxillary premolar or molar teeth, and preparing implant socket in the maxilla. The generated ex vivo goat sinus models exposed the maxilla and the whole maxillary sinus mucosa, thus enabling real-time observation of detaching maxillary sinus mucosa via directly visualizing the working situation of sinus lift tool in the models and directly measuring the length of detached mucosa and space volume generated under the elevated sinus mucosa. One commercially available umbrella-shaped sinus lift curette was used to detach the maxillary sinus mucosa to evaluate the effectiveness of the ex vivo goat sinus models. The results showed that this curette could detach the sinus mucosa 3.75 mm in length in the mesiodistal direction and 2.81 mm in the buccal-palatal direction. Moreover, a space volume of 52.7 μl could be created under the elevated sinus mucosa in the goat ex vivo models. All the experimental results suggested that this ex vivo goat sinus model might be useful in the evaluation of improved or newly designed sinus lift tools for elevating the maxillary sinus mucosa via the crestal approach.

scholarly journals The Human Amniotic Mesenchymal Stem Cells (hAMSCs) Improve the Implant Osseointegration and Bone Regeneration in Maxillary Sinus Floor Elevation in Rabbits

2019 ◽  
Vol 2019 ◽  
pp. 1-10
Author(s):  
Lu Yin ◽  
Zhi-xuan Zhou ◽  
Ming Shen ◽  
Ning Chen ◽  
Fei Jiang ◽  
...  
Keyword(s):  
Bone Regeneration ◽  
Maxillary Sinus ◽  
Bone Volume ◽  
Control Group ◽  
Sinus Floor Elevation ◽  
Dental Implantation ◽  
Posterior Maxilla ◽  
Maxillary Sinus Floor ◽  
Sinus Floor ◽  
Maxillary Sinus Floor Elevation

Insufficient bone height in the posterior maxilla is a challenging problem in dental implantation. Bio-Oss, though routinely used in maxillary sinus floor elevation (MSFE), is not osteoinductive. Human amniotic mesenchymal cells (hAMSCs) isolated from placental tissues have potential for multidifferentiation and immunomodulatory properties and can be easily obtained without the need for invasive procedures and without ethical concerns. This is the first study to use hAMSCs to improve implant osseointegration and bone regeneration after MSFE. Human AMSCs were loaded into a fibrin gel and injected into rabbit MSFE models. The rabbits were assigned to four groups (n=3 per group), i.e., the control group, the hAMSC group, the Bio-Oss group, and the hAMSC/Bio-Oss group. The animals were sacrificed at postsurgery for four and twelve weeks and evaluated by histology and immunohistochemistry. Bone volume, bone volume/tissue volume, bone-to-implant contact ratio, and vessel-like structures in the hAMSC/Bio-Oss group were significantly better than those in other groups in the peri-implant and augmented areas. Immunofluorescence staining showed that alkaline phosphatase (ALP) activities of two hAMSC groups were higher than those of the other two groups. Sequential fluorescent labeling was performed in all of the 12-week groups. Observations showed that hAMSCs accelerated mineralized deposition rates on implant surfaces and in bone-augmented areas. These data demonstrated that hAMSCs could enhance implant osseointegration and bone regeneration after MSFE and might be used to optimize dental implantation in the future.

scholarly journals Maxillary Sinus Floor Elevation

2018 ◽  
Vol 2 (2) ◽  
pp. 495-498
Author(s):  
Jorge Gatica ◽  
Claudio Garayar
Keyword(s):  
Maxillary Sinus ◽  
Oral Surgery ◽  
Sinus Lift ◽  
Sinus Floor Elevation ◽  
Rehabilitative Treatment ◽  
Implant Placement ◽  
Maxillary Sinus Floor ◽  
Sinus Floor ◽  
Bone Height ◽  
Maxillary Sinus Floor Elevation

The sinus lift is a procedure that is used frequently in oral surgery, different techniques exist to perform this procedure approaches, which allow the surgeon to give a sufficient bone height for planning a rehabilitative treatment with implant at the required site. In this case the unilateral lifting of the maxillary sinus floor by buccal bone window, with subsequent implant placement and lyophilized human bone in a single surgical procedure.

scholarly journals Minimally Invasive Lateral Approach through Circular Window with a Diameter of 5 to 6 mm for Maxillary Sinus Floor Elevation with Simultaneous Implant Placement: Retrospective Study

2021 ◽  
Vol 11 (17) ◽  
pp. 8244
Author(s):  
Sang-Woon Lee ◽  
Young-Wook Park
Keyword(s):  
Minimally Invasive ◽  
Maxillary Sinus ◽  
Treated Patient ◽  
Lateral Approach ◽  
Sinus Floor Elevation ◽  
Circular Window ◽  
Implant Placement ◽  
Maxillary Sinus Floor ◽  
Sinus Floor ◽  
Maxillary Sinus Floor Elevation

The aims of this study were to propose a minimally invasive lateral approach technique for maxillary sinus floor elevation (MSFE) with simultaneous implant placement and to evaluate the surgical outcome and complications of this technique. This study reviewed 49 surgeries of MSFE with simultaneous implant placement (n = 83) using a minimally invasive lateral approach. A circular shape window with a diameter of 5 to 6 mm and an area of 20–30 mm2 was made on the lateral wall of the maxillary sinus. After elevation of the Schneiderian membrane, the xenograft was used for bone grafting. The MSFE was possible with a minimum-sized window in 47 of 49 cases. For the remaining 2 cases, MSFE with a minimum-sized window was failed. In one case, it was expanded to be more than 30 mm2 to repair the membrane perforation. In another case, MSFE was performed by forming two minimum-sized windows. Post-operative bleeding after MSFE occurred in one anticoagulant-treated patient. There was no failed implant during the follow-up period (mean 22 months). A minimally invasive lateral approach through a small circular window with a diameter of 5 to 6 mm is a feasible and safe technique for MSFE with simultaneous implant placement.

Radiological sinus lift: a new minimally invasive CT-guided procedure for maxillary sinus floor elevation in implant dentistry

2015 ◽  
Vol 27 (3) ◽  
pp. 341-347 ◽  
Author(s):  
Jean-François Matern ◽  
Pierre Keller ◽  
Jean Carvalho ◽  
Jean-Philippe Dillenseger ◽  
Francis Veillon ◽  
...  
Keyword(s):  
Minimally Invasive ◽  
Maxillary Sinus ◽  
Sinus Lift ◽  
Ct Guided ◽  
Sinus Floor Elevation ◽  
Maxillary Sinus Floor ◽  
Sinus Floor ◽  
Implant Dentistry ◽  
Maxillary Sinus Floor Elevation

Indirect Osteotome Maxillary Sinus Floor Elevation: An Update

2012 ◽  
Vol 38 (6) ◽  
pp. 799-804 ◽  
Author(s):  
Javier Romero-Millán ◽  
Luis Martorell-Calatayud ◽  
Maria Peñarrocha ◽  
Berta García-Mira
Keyword(s):  
Maxillary Sinus ◽  
Survival Rates ◽  
Graft Material ◽  
Sinus Floor Elevation ◽  
Posterior Maxilla ◽  
Membrane Perforation ◽  
Maxillary Sinus Floor ◽  
Sinus Floor ◽  
Bone Height ◽  
Maxillary Sinus Floor Elevation

The objective was to review publications on indirect osteotome maxillary sinus floor elevation (OMSFE) procedures. Studies published between 1999 and 2010 on patients with a minimum of 1 year of follow-up were analyzed. Fourteen studies were included. Indirect OMSFE is indicated for a bone height of 6–8 mm. More bone height was gained when graft material was used. Schneiderian membrane perforation was the most frequent complication. Survival rates varied between 93.5% and 100%. Osteotome sinus membrane elevation is a predictable and effective procedure for placing implants in areas of the posterior maxilla with low bone height.

scholarly journals Surgical Complications Associated to Maxillary Sinus Floor Elevation in Implantology

2019 ◽  
pp. 155-164
Author(s):  
Deisy E. Quispe Damián DDS, MSc ◽  
Carmen T. Castro-Ruiz DDS, MSc ◽  
Gerardo Mendoza Azpur DDS, MSc
Keyword(s):  
Literature Review ◽  
Maxillary Sinus ◽  
Surgical Complications ◽  
Sinus Floor Elevation ◽  
Posterior Maxilla ◽  
Maxillary Sinus Floor ◽  
Sinus Floor ◽  
Implant Therapy ◽  
Bone Height ◽  
Maxillary Sinus Floor Elevation

Maxillary sinus floor elevation has been extensively documented as a safe and predictable procedure for gaining vertical bone height in the atrophic posterior maxilla. Even though, complications have been reported, which can potentially jeopardize the outcome of the regeneration and implant therapy. Therefore, the purpose of this literature review is to present, debate and analyze the different complications that can occur during a sinus floor elevation.

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