Treatment of patients with extreme maxillary atrophy using sinus floor augmentation and implants: preliminary results
Identifieur interne : 002104 ( Istex/Curation ); précédent : 002103; suivant : 002105Treatment of patients with extreme maxillary atrophy using sinus floor augmentation and implants: preliminary results
Auteurs : G. Watzek [Autriche] ; R. Weber [Autriche] ; Th. Bernhart [Autriche] ; Ch. Ulm [Autriche] ; R. Haas [Autriche]Source :
- International Journal of Oral & Maxillofacial Surgery [ 0901-5027 ] ; 1998.
English descriptors
- KwdEn :
- Anterior maxilla, Augmentation, Autogenous, Autogenous bone, Bone loss, Bone regeneration, Bone resorption, Bovine, Cancellous bone, Clinical aspects, Dentate, Denture, Endosseous implants, Extreme maxillary atrophy, Frialen, Graft, Impl, Implant, Implant failures, Implant placement, Implant success, Maxilla, Maxillary, Maxillary implants, Maxillary sinus, Maxillofac, Molar region, Observation period, Oral maxillofac impl, Oral maxillofac surg, Oral surgery, Overdenture, Partial dentures, Posterior maxilla, Preliminary results, Premolar region, Prosthet dent, Prosthetic, Prosthetic treatment, Resorption, Sinus, Sinus floor augmentation, Sinus membrane, Surg, Survival probability, Watzek, endosteal implants, maxillary atrophy, sinus floor elevation.
- Teeft :
- Anterior maxilla, Augmentation, Autogenous, Autogenous bone, Bone loss, Bone regeneration, Bone resorption, Bovine, Cancellous bone, Clinical aspects, Dentate, Denture, Endosseous implants, Extreme maxillary atrophy, Frialen, Graft, Impl, Implant, Implant failures, Implant placement, Implant success, Maxilla, Maxillary, Maxillary implants, Maxillary sinus, Maxillofac, Molar region, Observation period, Oral maxillofac impl, Oral maxillofac surg, Oral surgery, Overdenture, Partial dentures, Posterior maxilla, Preliminary results, Premolar region, Prosthet dent, Prosthetic, Prosthetic treatment, Resorption, Sinus, Sinus floor augmentation, Sinus membrane, Surg, Survival probability, Watzek.
Abstract
Abstract: Twenty consecutive patients with extreme maxillary atrophy underwent bilateral sinus floor augmentation, either with autogenous bone from the iliac crest or with a combination of autogenous bone and hydroxyapatite. One patient was treated using autogenous bone from the chin region. After a period of three to eight months, three to four implants were placed in each posterior maxilla. Only 10 out of 155 inserted implants were located in the anterior non-augmented maxilla. During the observation period of one to six years, four implants (one of them located in the anterior maxilla) had to be removed prior to prosthetic treatment. Another three implants were lost during the follow up period. This corresponds to a Kaplan-Meier survival probability of 95.4% after 70 months. No statistically significant difference in implant success was observed between women and men (P=0.16). All prosthetic suprastructures are still in function despite these implant losses. Mean peri-implant bone resorption was 1.34 mm with no statistically significant difference between implants placed more mesially and those placed more distally in the augmented area, though a trend could be observed (P=0.058) for a more pronounced bone resorption around implants placed in the premolar region. When a mean mesial and distal bone resorption of >2 mm was considered in the calculation of the success prognosis, the survival probability dropped to 74.7% after 70 months.
Url:
DOI: 10.1016/S0901-5027(98)80031-3
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<term>Autogenous bone</term>
<term>Bone loss</term>
<term>Bone regeneration</term>
<term>Bone resorption</term>
<term>Bovine</term>
<term>Cancellous bone</term>
<term>Clinical aspects</term>
<term>Dentate</term>
<term>Denture</term>
<term>Endosseous implants</term>
<term>Extreme maxillary atrophy</term>
<term>Frialen</term>
<term>Graft</term>
<term>Impl</term>
<term>Implant</term>
<term>Implant failures</term>
<term>Implant placement</term>
<term>Implant success</term>
<term>Maxilla</term>
<term>Maxillary</term>
<term>Maxillary implants</term>
<term>Maxillary sinus</term>
<term>Maxillofac</term>
<term>Molar region</term>
<term>Observation period</term>
<term>Oral maxillofac impl</term>
<term>Oral maxillofac surg</term>
<term>Oral surgery</term>
<term>Overdenture</term>
<term>Partial dentures</term>
<term>Posterior maxilla</term>
<term>Preliminary results</term>
<term>Premolar region</term>
<term>Prosthet dent</term>
<term>Prosthetic</term>
<term>Prosthetic treatment</term>
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<term>Sinus membrane</term>
<term>Surg</term>
<term>Survival probability</term>
<term>Watzek</term>
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<term>Cancellous bone</term>
<term>Clinical aspects</term>
<term>Dentate</term>
<term>Denture</term>
<term>Endosseous implants</term>
<term>Extreme maxillary atrophy</term>
<term>Frialen</term>
<term>Graft</term>
<term>Impl</term>
<term>Implant</term>
<term>Implant failures</term>
<term>Implant placement</term>
<term>Implant success</term>
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<term>Maxillary</term>
<term>Maxillary implants</term>
<term>Maxillary sinus</term>
<term>Maxillofac</term>
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<term>Observation period</term>
<term>Oral maxillofac impl</term>
<term>Oral maxillofac surg</term>
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<front><div type="abstract" xml:lang="en">Abstract: Twenty consecutive patients with extreme maxillary atrophy underwent bilateral sinus floor augmentation, either with autogenous bone from the iliac crest or with a combination of autogenous bone and hydroxyapatite. One patient was treated using autogenous bone from the chin region. After a period of three to eight months, three to four implants were placed in each posterior maxilla. Only 10 out of 155 inserted implants were located in the anterior non-augmented maxilla. During the observation period of one to six years, four implants (one of them located in the anterior maxilla) had to be removed prior to prosthetic treatment. Another three implants were lost during the follow up period. This corresponds to a Kaplan-Meier survival probability of 95.4% after 70 months. No statistically significant difference in implant success was observed between women and men (P=0.16). All prosthetic suprastructures are still in function despite these implant losses. Mean peri-implant bone resorption was 1.34 mm with no statistically significant difference between implants placed more mesially and those placed more distally in the augmented area, though a trend could be observed (P=0.058) for a more pronounced bone resorption around implants placed in the premolar region. When a mean mesial and distal bone resorption of >2 mm was considered in the calculation of the success prognosis, the survival probability dropped to 74.7% after 70 months.</div>
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