Brånemark Novum®: A New Treatment Concept for Rehabilitation of the Edentulous Mandible. Preliminary Results from a Prospective Clinical Follow‐up Study
Identifieur interne : 004331 ( Istex/Checkpoint ); précédent : 004330; suivant : 004332Brånemark Novum®: A New Treatment Concept for Rehabilitation of the Edentulous Mandible. Preliminary Results from a Prospective Clinical Follow‐up Study
Auteurs : Per-Ingvar Br Nemark [Suède] ; Per Engstrand ; Lars-Oluf Öhrnell ; Kerstin Gröndahl [Suède] ; Peter Nilsson ; Kiell Hagberg ; Christina Darle ; Ulf Lekholm [Suède]Source :
- Clinical Implant Dentistry and Related Research [ 1523-0899 ] ; 1999-07.
Descripteurs français
English descriptors
- KwdEn :
- Alveolar crest, Anterior mandible, Average treatment time, Baseline examination, Bone density, Bone loss, Bone quality, Bone width, Branemark, Branemark implants, Branemark novum, Branemark osseointegration center, Branemark system implants, Brinemark, Brinemark system implants, Central fixture, Central site, Clinical implant dentistry, Control group, Days postoperatively, Dentistry, Distal sites, Drill guides, Drilling sequence, Edentulous, Edentulous mandible, Edentulous mandibles, Evaluation template, Final reconstruction, First year, Fixture, Fixture placement, Fixture site, Fixture surgery, Goteborg, Guide pins, Guide template, Healing period, Healing time, High degree, Immediate loading, Implant, Implant placement, Implant surgery, Laboratory model, Lekholm, Mandible, Mandibular, Mandibular denture, Mandibular edentulism, Marginal bone level, Marginal bone loss, Multicenter study, Oral maxillofac implants, Osseointegrated, Osseointegrated implants, Overall survival rate, Patient satisfaction, Permanent reconstruction, Preliminary report, Preliminary results, Present study, Promising results, Prospective multicenter study, Prospective study, Prosthesis, Prosthet dent, Prosthetic, Prosthetic components, Prosthetic impression procedure, Prosthetic protocol, Prosthetic reconstruction, Prosthetic survival rate, Protocol, Radiograph, Radiographic, Radiographic examinations, Radiographical features, Reference point, Rigid connection, Silicone putty material, Statistical analysis, Surgery, Surgical, Template, Temporary screws, Titanium, Titanium implants, Titanium screws, Toronto study, Transmucosal portion, Treatment concept, Treatment protocol, Twist drill.
- Teeft :
- Alveolar crest, Anterior mandible, Average treatment time, Baseline examination, Bone density, Bone loss, Bone quality, Bone width, Branemark, Branemark implants, Branemark novum, Branemark osseointegration center, Branemark system implants, Brinemark, Brinemark system implants, Central fixture, Central site, Clinical implant dentistry, Control group, Days postoperatively, Dentistry, Distal sites, Drill guides, Drilling sequence, Edentulous, Edentulous mandible, Edentulous mandibles, Evaluation template, Final reconstruction, First year, Fixture, Fixture placement, Fixture site, Fixture surgery, Goteborg, Guide pins, Guide template, Healing period, Healing time, High degree, Immediate loading, Implant, Implant placement, Implant surgery, Laboratory model, Lekholm, Mandible, Mandibular, Mandibular denture, Mandibular edentulism, Marginal bone level, Marginal bone loss, Multicenter study, Oral maxillofac implants, Osseointegrated, Osseointegrated implants, Overall survival rate, Patient satisfaction, Permanent reconstruction, Preliminary report, Preliminary results, Present study, Promising results, Prospective multicenter study, Prospective study, Prosthesis, Prosthet dent, Prosthetic, Prosthetic components, Prosthetic impression procedure, Prosthetic protocol, Prosthetic reconstruction, Prosthetic survival rate, Protocol, Radiograph, Radiographic, Radiographic examinations, Radiographical features, Reference point, Rigid connection, Silicone putty material, Statistical analysis, Surgery, Surgical, Template, Temporary screws, Titanium, Titanium implants, Titanium screws, Toronto study, Transmucosal portion, Treatment concept, Treatment protocol, Twist drill.
Abstract
Background: Brånemark fixtures were originally prescribed to be placed in two surgical stages. During the past years, reports on the placement of machined titanium implants in a one‐stage procedure have been published, and the results have been encouraging. Recendy there has been considerable interest in early or immediate loading. Purpose: The purpose of this article is to report the preliminary clinical results of a new method for implant treatment of the edentulous mandible. The new protocol involves prefabricated components and surgical guides, elimination of the prosthetic impression procedure and attachment of the permanent fixed bridge on the day of implant placement. Methods: Fifty patients (26 males, 24 females) received 150 Brånemark Novum implants and were followed from 6 months to 3 years after implant placement. Bone width and height were determined preoperatively with the use of radiographs. The jaw was reduced in height to accommodate three special 5‐mm wide implants. Precise implant positioning was accomplished with special drilling templates. Drill guides were placed over the drilling templates during site preparation using a series of specially designed drills. After the mucosa had been sutured back into position, a prefabricated titanium lower bar was connected with titanium screws to the transmucosal fixture. Another titanium bar was then attached by the prosthodontist, and a bite registration was performed. The bridge was attached to the upper bar. The permanent reconstruction was provided to the patient later the same day. Results: Three implants were lost to follow‐up and three failed, resulting in an overall survival rate of 98%. One prosthesis failed, leaving a prosthetic survival rate of 98%. The average treatment time was approximately 7 hours. At the baseline examination, the marginal bone level was 0.72 mm below the reference point. The average marginal bone loss was 0.2 mm per year and 0.26 mm between the 3‐month and 1‐year control visits. The accumulated mean bone loss, including baseline, was‐1.25 mm. A patient questionnaire demonstrated that 94% of the patients did not experience any discomfort during treatment and all patients would recommend the procedure to others. Conclusion: The results of this study indicate that the precise surgical and prosthetic protocol allows successful prosthetic rehabilitation of mandibular edentulism and that the permanent reconstruction can be provided to the patient on the day of fixture surgery.
Url:
DOI: 10.1111/j.1708-8208.1999.tb00086.x
Affiliations:
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<term>Anterior mandible</term>
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<term>Bone density</term>
<term>Bone loss</term>
<term>Bone quality</term>
<term>Bone width</term>
<term>Branemark</term>
<term>Branemark implants</term>
<term>Branemark novum</term>
<term>Branemark osseointegration center</term>
<term>Branemark system implants</term>
<term>Brinemark</term>
<term>Brinemark system implants</term>
<term>Central fixture</term>
<term>Central site</term>
<term>Clinical implant dentistry</term>
<term>Control group</term>
<term>Days postoperatively</term>
<term>Dentistry</term>
<term>Distal sites</term>
<term>Drill guides</term>
<term>Drilling sequence</term>
<term>Edentulous</term>
<term>Edentulous mandible</term>
<term>Edentulous mandibles</term>
<term>Evaluation template</term>
<term>Final reconstruction</term>
<term>First year</term>
<term>Fixture</term>
<term>Fixture placement</term>
<term>Fixture site</term>
<term>Fixture surgery</term>
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<term>Guide pins</term>
<term>Guide template</term>
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<term>Implant</term>
<term>Implant placement</term>
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<term>Osseointegrated implants</term>
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<term>Preliminary report</term>
<term>Preliminary results</term>
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<term>Promising results</term>
<term>Prospective multicenter study</term>
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<term>Prosthetic impression procedure</term>
<term>Prosthetic protocol</term>
<term>Prosthetic reconstruction</term>
<term>Prosthetic survival rate</term>
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<term>Radiograph</term>
<term>Radiographic</term>
<term>Radiographic examinations</term>
<term>Radiographical features</term>
<term>Reference point</term>
<term>Rigid connection</term>
<term>Silicone putty material</term>
<term>Statistical analysis</term>
<term>Surgery</term>
<term>Surgical</term>
<term>Template</term>
<term>Temporary screws</term>
<term>Titanium</term>
<term>Titanium implants</term>
<term>Titanium screws</term>
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<term>Bone density</term>
<term>Bone loss</term>
<term>Bone quality</term>
<term>Bone width</term>
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<term>Branemark implants</term>
<term>Branemark novum</term>
<term>Branemark osseointegration center</term>
<term>Branemark system implants</term>
<term>Brinemark</term>
<term>Brinemark system implants</term>
<term>Central fixture</term>
<term>Central site</term>
<term>Clinical implant dentistry</term>
<term>Control group</term>
<term>Days postoperatively</term>
<term>Dentistry</term>
<term>Distal sites</term>
<term>Drill guides</term>
<term>Drilling sequence</term>
<term>Edentulous</term>
<term>Edentulous mandible</term>
<term>Edentulous mandibles</term>
<term>Evaluation template</term>
<term>Final reconstruction</term>
<term>First year</term>
<term>Fixture</term>
<term>Fixture placement</term>
<term>Fixture site</term>
<term>Fixture surgery</term>
<term>Goteborg</term>
<term>Guide pins</term>
<term>Guide template</term>
<term>Healing period</term>
<term>Healing time</term>
<term>High degree</term>
<term>Immediate loading</term>
<term>Implant</term>
<term>Implant placement</term>
<term>Implant surgery</term>
<term>Laboratory model</term>
<term>Lekholm</term>
<term>Mandible</term>
<term>Mandibular</term>
<term>Mandibular denture</term>
<term>Mandibular edentulism</term>
<term>Marginal bone level</term>
<term>Marginal bone loss</term>
<term>Multicenter study</term>
<term>Oral maxillofac implants</term>
<term>Osseointegrated</term>
<term>Osseointegrated implants</term>
<term>Overall survival rate</term>
<term>Patient satisfaction</term>
<term>Permanent reconstruction</term>
<term>Preliminary report</term>
<term>Preliminary results</term>
<term>Present study</term>
<term>Promising results</term>
<term>Prospective multicenter study</term>
<term>Prospective study</term>
<term>Prosthesis</term>
<term>Prosthet dent</term>
<term>Prosthetic</term>
<term>Prosthetic components</term>
<term>Prosthetic impression procedure</term>
<term>Prosthetic protocol</term>
<term>Prosthetic reconstruction</term>
<term>Prosthetic survival rate</term>
<term>Protocol</term>
<term>Radiograph</term>
<term>Radiographic</term>
<term>Radiographic examinations</term>
<term>Radiographical features</term>
<term>Reference point</term>
<term>Rigid connection</term>
<term>Silicone putty material</term>
<term>Statistical analysis</term>
<term>Surgery</term>
<term>Surgical</term>
<term>Template</term>
<term>Temporary screws</term>
<term>Titanium</term>
<term>Titanium implants</term>
<term>Titanium screws</term>
<term>Toronto study</term>
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<term>Twist drill</term>
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<front><div type="abstract" xml:lang="en">Background: Brånemark fixtures were originally prescribed to be placed in two surgical stages. During the past years, reports on the placement of machined titanium implants in a one‐stage procedure have been published, and the results have been encouraging. Recendy there has been considerable interest in early or immediate loading. Purpose: The purpose of this article is to report the preliminary clinical results of a new method for implant treatment of the edentulous mandible. The new protocol involves prefabricated components and surgical guides, elimination of the prosthetic impression procedure and attachment of the permanent fixed bridge on the day of implant placement. Methods: Fifty patients (26 males, 24 females) received 150 Brånemark Novum implants and were followed from 6 months to 3 years after implant placement. Bone width and height were determined preoperatively with the use of radiographs. The jaw was reduced in height to accommodate three special 5‐mm wide implants. Precise implant positioning was accomplished with special drilling templates. Drill guides were placed over the drilling templates during site preparation using a series of specially designed drills. After the mucosa had been sutured back into position, a prefabricated titanium lower bar was connected with titanium screws to the transmucosal fixture. Another titanium bar was then attached by the prosthodontist, and a bite registration was performed. The bridge was attached to the upper bar. The permanent reconstruction was provided to the patient later the same day. Results: Three implants were lost to follow‐up and three failed, resulting in an overall survival rate of 98%. One prosthesis failed, leaving a prosthetic survival rate of 98%. The average treatment time was approximately 7 hours. At the baseline examination, the marginal bone level was 0.72 mm below the reference point. The average marginal bone loss was 0.2 mm per year and 0.26 mm between the 3‐month and 1‐year control visits. The accumulated mean bone loss, including baseline, was‐1.25 mm. A patient questionnaire demonstrated that 94% of the patients did not experience any discomfort during treatment and all patients would recommend the procedure to others. Conclusion: The results of this study indicate that the precise surgical and prosthetic protocol allows successful prosthetic rehabilitation of mandibular edentulism and that the permanent reconstruction can be provided to the patient on the day of fixture surgery.</div>
</front>
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<name sortKey="Ohrnell, Lars Luf" sort="Ohrnell, Lars Luf" uniqKey="Ohrnell L" first="Lars-Oluf" last="Öhrnell">Lars-Oluf Öhrnell</name>
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<name sortKey="Grondahl, Kerstin" sort="Grondahl, Kerstin" uniqKey="Grondahl K" first="Kerstin" last="Gröndahl">Kerstin Gröndahl</name>
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