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Disorder of Maxillary Sinus clinical trials

View clinical trials related to Disorder of Maxillary Sinus.

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NCT ID: NCT02583737 Active, not recruiting - Bone Atrophy Clinical Trials

Comparative Study Between Lyophilized or Frozen Bone Allografts for Sinus-lifting

Start date: June 2014
Phase: N/A
Study type: Interventional

Bone resorption and atrophy in maxillary posterior region is due to severe periodontal disease and is consequent tooth extractions. Sinus pneumatisation can occur after tooth extraction and alveolar bone loss. Consequently, bone-reducing volume at that region is a great challenge to implantodontists. Sinus lifting surgery have been practiced since 80's and many biomaterials have been used to solve filling issues to maintain the sinus floor lifted in a position that can allow dental implants installation. Bone grafts have shown to be the best choice of filling grafts. Despite autologous bone are the gold standard filling biomaterial it is associates with great mortality and morbidity. So, bone allografts from tissue bank had been shown to be an advantageous alternative. Lyophilized or freeze tissue bone are the most common allografts but literature is poor in randomized controlled parallel clinical trials regarding those filling grafts for sinus lifting. The aim of this study is to perform a randomized controlled clinical trial comparing two bone allografts: lyophilized and freeze bone allografts from human bone tissue bank. The investigators want to verify which one can develop greater osteogenesis, if is there any difference between them regarding the architectural trabeculae formation, if there are different patterns of reabsorption and finally if is there any differences between them regarding primary and lately dental implants stability. To answer those questions the investigators propose firstly, to carry out microtomographic and histological analysis from trephine bone samples after six months of sinus lifting and grafting in healthy participants undergoing osseointegrated dental implants. Secondly, the primary and lately implant stability is going to be achieved employing Resonance Frequency Analysis (RFA).

NCT ID: NCT01735721 Completed - Clinical trials for Maxillary Sinus Floor Augmentation

Comparative Study of Algipore and Decalcified Freeze-dried Bone Allograft in Open Maxillary Sinus Augmentation

Start date: March 2009
Phase: Phase 2
Study type: Interventional

The aim of this study was the radiographic and clinical comparison of Algipore with decalcified freeze-dried bone allograft (DFDBA) in the open maxillary sinus lift technique using piezoelectric instruments.

NCT ID: NCT01615536 Withdrawn - Rhinosinusitis Clinical Trials

The Role of Canine Fossa Trephination in the Severely Diseased Maxillary Sinus

CFT
Start date: December 2010
Phase: N/A
Study type: Interventional

The hypothesis of this study is that canine fossa trephination (CFT) improves surgical outcomes for patients with a severely diseased maxillary sinus.