Implant‐supported overdentures, a prevention of bone loss in edentulous mandibles?
Identifieur interne : 007966 ( Istex/Corpus ); précédent : 007965; suivant : 007967Implant‐supported overdentures, a prevention of bone loss in edentulous mandibles?
Auteurs : Nina Von Wowern ; Klaus GotfredsenSource :
- Clinical Oral Implants Research [ 0905-7161 ] ; 2001-02.
English descriptors
- KwdEn :
- Altura osea alrededor, Alveolar resorption, Anterior part, Astra tech, Attachment insertion, Attachment system, Base line, Baseline, Biological factors, Biomechanical loads, Bone height, Bone height loss, Bone loss, Bone mass, Bone mass measurements, Bone mineral content, Cawood howell, Clin, Clinical study, Dental research, Dentistry, Denture, Distal implants, Edentulous, Edentulous jaws, Edentulous mandible, Edentulous mandibles, Edentulous patients, Einem steg verbunden, European journal, Facial implants, Female group, Female volleyball players, Forearm, Forearm bones, Gingival index, Gotfredsen, Gotfredsen holm, Health sciences, Identical intraoral radiographs, Impl, Implant, Implant failures, Implant site, Implant sites, Implant system, Implant treatment, Implants research, International journal, Lower part, Mandible, Mandibular, Mandibular baseline, Mandibular osteoporosis, Mandibular overdentures, Marginal bone loss, Maxillofacial, Maxillofacial implants, Maxillofacial surgery, Molar region, Ndings, Oral hygiene, Oral hygienist, Oral impl, Oral maxillofacial surgery, Oral sciences, Osseointegrated, Osseointegrated implants, Osteoporosis, Osteoporotic group, Osteoporotic persons, Other hand, Other types, Overdenture, Overdenture table, Overdentures, Periodontal disease, Physiologic mandibular, Plaque index, Possible differences, Premolar, Premolar region, Present results, Previous studies, Prosthetic, Prosthetic dentistry, Representative value, Residual ridge, Resorption, Risk factor, Same distance, Same gender, Same magnitude, Scandinavian journal, Scanner, Siologica relacionada, Slight tendency, Smoking habits, Standard error, Standard site, Statistical analysis, Systemic osteoporosis, Wowern, Wowern gotfredsen bone preservation, Young adults.
- Teeft :
- Altura osea alrededor, Alveolar resorption, Anterior part, Astra tech, Attachment insertion, Attachment system, Base line, Baseline, Biological factors, Biomechanical loads, Bone height, Bone height loss, Bone loss, Bone mass, Bone mass measurements, Bone mineral content, Cawood howell, Clin, Clinical study, Dental research, Dentistry, Denture, Distal implants, Edentulous, Edentulous jaws, Edentulous mandible, Edentulous mandibles, Edentulous patients, Einem steg verbunden, European journal, Facial implants, Female group, Female volleyball players, Forearm, Forearm bones, Gingival index, Gotfredsen, Gotfredsen holm, Health sciences, Identical intraoral radiographs, Impl, Implant, Implant failures, Implant site, Implant sites, Implant system, Implant treatment, Implants research, International journal, Lower part, Mandible, Mandibular, Mandibular baseline, Mandibular osteoporosis, Mandibular overdentures, Marginal bone loss, Maxillofacial, Maxillofacial implants, Maxillofacial surgery, Molar region, Ndings, Oral hygiene, Oral hygienist, Oral impl, Oral maxillofacial surgery, Oral sciences, Osseointegrated, Osseointegrated implants, Osteoporosis, Osteoporotic group, Osteoporotic persons, Other hand, Other types, Overdenture, Overdenture table, Overdentures, Periodontal disease, Physiologic mandibular, Plaque index, Possible differences, Premolar, Premolar region, Present results, Previous studies, Prosthetic, Prosthetic dentistry, Representative value, Residual ridge, Resorption, Risk factor, Same distance, Same gender, Same magnitude, Scandinavian journal, Scanner, Siologica relacionada, Slight tendency, Smoking habits, Standard error, Standard site, Statistical analysis, Systemic osteoporosis, Wowern, Wowern gotfredsen bone preservation, Young adults.
Abstract
Abstract: The purposes of this study were to analyse 1) the changes in the bone mineral content (BMC) in mandibles with implant‐supported overdentures when compared with the physiologic age‐related mandibular BMC loss, 2) whether the BMC changes were different in groups without or with a bar connecting the implants and 3) whether the presence of mandibular osteoporosis affects the loss of bone height around the implants. The material consisted of 22 long‐term edentulous healthy persons, 18 women and 4 men from 54 to 78 years of age with 1 Astra Tech Dental Implant in both canine regions, connected by a bar in half of the patients. BMC measurements were performed in vivo by dual‐photon scanner at baseline, just after attachment insertion, at 2‐year and 5‐year visits. Mandibular osteoporosis was estimated by comparing baseline BMC values with normal mandibular BMC values for young adults of same gender. Loss of bone height around implants was measured on periodically identical intraoral radiographs. The fixed parts of the implant‐system were stable during the trial in all patients. In conclusion: 1) the increased function after this treatment seems to cause a load‐related bone formation which minimizes the physiologic age‐related mandibular BMC loss, 2) this effect seems to be independent of attachment system and 3) mandibular osteoporosis prior to implant treatment may be a risk factor for bone loss around implants. However, this treatment can be recommended also in osteoporotic persons.
Url:
DOI: 10.1034/j.1600-0501.2001.012001019.x
Links to Exploration step
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<front><div type="abstract">Abstract: The purposes of this study were to analyse 1) the changes in the bone mineral content (BMC) in mandibles with implant‐supported overdentures when compared with the physiologic age‐related mandibular BMC loss, 2) whether the BMC changes were different in groups without or with a bar connecting the implants and 3) whether the presence of mandibular osteoporosis affects the loss of bone height around the implants. The material consisted of 22 long‐term edentulous healthy persons, 18 women and 4 men from 54 to 78 years of age with 1 Astra Tech Dental Implant in both canine regions, connected by a bar in half of the patients. BMC measurements were performed in vivo by dual‐photon scanner at baseline, just after attachment insertion, at 2‐year and 5‐year visits. Mandibular osteoporosis was estimated by comparing baseline BMC values with normal mandibular BMC values for young adults of same gender. Loss of bone height around implants was measured on periodically identical intraoral radiographs. The fixed parts of the implant‐system were stable during the trial in all patients. In conclusion: 1) the increased function after this treatment seems to cause a load‐related bone formation which minimizes the physiologic age‐related mandibular BMC loss, 2) this effect seems to be independent of attachment system and 3) mandibular osteoporosis prior to implant treatment may be a risk factor for bone loss around implants. However, this treatment can be recommended also in osteoporotic persons.</div>
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<abstract>Abstract: The purposes of this study were to analyse 1) the changes in the bone mineral content (BMC) in mandibles with implant‐supported overdentures when compared with the physiologic age‐related mandibular BMC loss, 2) whether the BMC changes were different in groups without or with a bar connecting the implants and 3) whether the presence of mandibular osteoporosis affects the loss of bone height around the implants. The material consisted of 22 long‐term edentulous healthy persons, 18 women and 4 men from 54 to 78 years of age with 1 Astra Tech Dental Implant in both canine regions, connected by a bar in half of the patients. BMC measurements were performed in vivo by dual‐photon scanner at baseline, just after attachment insertion, at 2‐year and 5‐year visits. Mandibular osteoporosis was estimated by comparing baseline BMC values with normal mandibular BMC values for young adults of same gender. Loss of bone height around implants was measured on periodically identical intraoral radiographs. The fixed parts of the implant‐system were stable during the trial in all patients. In conclusion: 1) the increased function after this treatment seems to cause a load‐related bone formation which minimizes the physiologic age‐related mandibular BMC loss, 2) this effect seems to be independent of attachment system and 3) mandibular osteoporosis prior to implant treatment may be a risk factor for bone loss around implants. However, this treatment can be recommended also in osteoporotic persons.</abstract>
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The purposes of this study were to analyse 1) the changes in the bone mineral content (BMC) in mandibles with implant‐supported overdentures when compared with the physiologic age‐related mandibular BMC loss, 2) whether the BMC changes were different in groups without or with a bar connecting the implants and 3) whether the presence of mandibular osteoporosis affects the loss of bone height around the implants. The material consisted of 22 long‐term edentulous healthy persons, 18 women and 4 men from 54 to 78 years of age with 1 Astra Tech Dental Implant in both canine regions, connected by a bar in half of the patients. BMC measurements were performed <hi rend="italic">in vivo</hi>
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20 Nørre Allé
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<abstract>Abstract: The purposes of this study were to analyse 1) the changes in the bone mineral content (BMC) in mandibles with implant‐supported overdentures when compared with the physiologic age‐related mandibular BMC loss, 2) whether the BMC changes were different in groups without or with a bar connecting the implants and 3) whether the presence of mandibular osteoporosis affects the loss of bone height around the implants. The material consisted of 22 long‐term edentulous healthy persons, 18 women and 4 men from 54 to 78 years of age with 1 Astra Tech Dental Implant in both canine regions, connected by a bar in half of the patients. BMC measurements were performed in vivo by dual‐photon scanner at baseline, just after attachment insertion, at 2‐year and 5‐year visits. Mandibular osteoporosis was estimated by comparing baseline BMC values with normal mandibular BMC values for young adults of same gender. Loss of bone height around implants was measured on periodically identical intraoral radiographs. The fixed parts of the implant‐system were stable during the trial in all patients. In conclusion: 1) the increased function after this treatment seems to cause a load‐related bone formation which minimizes the physiologic age‐related mandibular BMC loss, 2) this effect seems to be independent of attachment system and 3) mandibular osteoporosis prior to implant treatment may be a risk factor for bone loss around implants. However, this treatment can be recommended also in osteoporotic persons.</abstract>
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