Membranes over the lateral window in sinus augmentation procedures: a two-arm and split-mouth randomized clinical trials

Objective This study evaluates whether or not, among other factors, membrane‐coverage of antrostomy defects improves implant survival in sinus augmentation procedures. Materials and Methods We performed a two‐arm and split‐mouth randomized controlled clinical trial on 104 and 5 patients respectively...

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Bibliographic Details
Published in:Journal of clinical periodontology 2013-11, Vol.40 (11), p.1043-1051
Main Authors: Torres García-Denche, Jesús, Wu, Xixi, Martinez, Pedro-Pablo, Eimar, Hazem, Ikbal, Daher Jalil-Abumalham, Hernández, Gonzalo, López-Cabarcos, Enrique, Fernandez-Tresguerres, Isabel, Tamimi, Faleh
Format: Article
Language:English
Subjects:
Absorbable Implants
Adult
Aged
Aged, 80 and over
Antihypertensive Agents - therapeutic use
barrier membranes
Biopsy - methods
bone regeneration
Bone Substitutes - therapeutic use
Collagen
Defects
Dental Implantation, Endosseous - methods
Dental Implants
Dental Prosthesis, Implant-Supported
Dentistry
Female
Follow-Up Studies
Humans
Hypertension - drug therapy
Male
Maxilla - diagnostic imaging
Maxilla - pathology
Maxilla - surgery
Maxillary Sinus - pathology
Maxillary Sinus - surgery
Membranes
Membranes, Artificial
Middle Aged
Minerals - therapeutic use
Nasal Mucosa - pathology
Orthodontics
Radiography
risk factors
sinus floor augmentation
Sinus Floor Augmentation - instrumentation
Sinus Floor Augmentation - methods
Sinuses
Smoking
Survival Analysis
Transplants & implants
Treatment Outcome
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Summary:Objective This study evaluates whether or not, among other factors, membrane‐coverage of antrostomy defects improves implant survival in sinus augmentation procedures. Materials and Methods We performed a two‐arm and split‐mouth randomized controlled clinical trial on 104 and 5 patients respectively. In the two‐arm study, antrostomy defects were membrane‐covered in 66 procedures and uncovered in 69, before placing a total of 265 implants that were followed up for 1 year. In the split‐mouth study, following bilateral sinus augmentation, antrostomy defects were membrane‐covered on one side and left uncovered on the contra‐lateral. Bone biopsies from each sinus were histologically analysed 6 months later. Results In the two‐arm study, implant survival rates were similar (p = 0.08) in the membrane‐covered (96.1%) and uncovered (94.2%) groups. In the split‐mouth study, bone augmentation was similar in both groups (p = 0.52). Delayed implant placement (p = 0.04), thick Schneider's membrane (≥2 mm) (p 
ISSN:0303-6979
1600-051X
DOI:10.1111/jcpe.12153