Comparative Evaluation of Bone in Mandibular Implant Retained Overdentures Using Delayed and Immediate Loading Protocol: An In-Vivo Study
Identifieur interne : 004D19 ( Ncbi/Checkpoint ); précédent : 004D18; suivant : 004D20Comparative Evaluation of Bone in Mandibular Implant Retained Overdentures Using Delayed and Immediate Loading Protocol: An In-Vivo Study
Auteurs : Manesh Lahori [Inde] ; A. S. Kaul [Inde] ; Sidhartha Chandra [Inde] ; Rahul Nagrath [Inde] ; Himanshu Gupta [Inde]Source :
- The Journal of the Indian Prosthodontic Society [ 0972-4052 ] ; 2012.
Abstract
The aim of the present study was to evaluate the changes in periimplant bone quality, crestal bone level and the implant stability (periotest) for mandibular implant retained overdentures with ball attachments using delayed and immediate loading protocols. Ten completely edentulous patients had two alpha bio dental implants placed in the anterior part of the mandible. The loading protocols for the patients was chosen randomly by drawing lots. Five patients were loaded under immediate loading protocols and other five following delayed. Crestal bone loss and bone quality were assessed around each implant. Periotest values were recorded for each implant at 3, 6 and 12 months after loading. Two implants were lost and were excluded from the study. However mean crestal bone loss around implants was 0.81 mm from the time of prosthetic loading to 12 months after prosthetic loading was seen and no significant result was found between the two groups for the crestal bone loss and the periotest values. Though the periotest value decreased (indicates increased stability) over the time period. The bone density changes were significant for both the groups at coronal level at all time intervals but at middle level significant only after 12 months of prosthetic loading, although individual variation was high. This study concluded that the changes in crestal bone level and periotest values were insignificant for the two groups. But the implant stability increased over the time and the crestal bone loss was evident with decreased rate over the period of time. There was wide individual variation for the bone density changes but overall increase in the density was seen.
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DOI: 10.1007/s13191-012-0240-8
PubMed: 24431720
PubMed Central: 3634939
Affiliations:
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D. Dental College, Mathura, India</nlm:aff><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Prosthodontics, K. D. Dental College, Mathura</wicri:regionArea><wicri:noRegion>Mathura</wicri:noRegion></affiliation></author><author><name sortKey="Kaul, A S" sort="Kaul, A S" uniqKey="Kaul A" first="A. S." last="Kaul">A. S. Kaul</name><affiliation wicri:level="1"><nlm:aff id="Aff1">Department of Prosthodontics, K. D. Dental College, Mathura, India</nlm:aff><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Prosthodontics, K. D. Dental College, Mathura</wicri:regionArea><wicri:noRegion>Mathura</wicri:noRegion></affiliation></author><author><name sortKey="Chandra, Sidhartha" sort="Chandra, Sidhartha" uniqKey="Chandra S" first="Sidhartha" last="Chandra">Sidhartha Chandra</name><affiliation wicri:level="1"><nlm:aff id="Aff1">Department of Prosthodontics, K. D. 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Dental College, Mathura, India</nlm:aff><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Prosthodontics, K. D. Dental College, Mathura</wicri:regionArea><wicri:noRegion>Mathura</wicri:noRegion></affiliation></author></analytic><series><title level="j">The Journal of the Indian Prosthodontic Society</title><idno type="ISSN">0972-4052</idno><idno type="eISSN">1998-4057</idno><imprint><date when="2012">2012</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>The aim of the present study was to evaluate the changes in periimplant bone quality, crestal bone level and the implant stability (periotest) for mandibular implant retained overdentures with ball attachments using delayed and immediate loading protocols. Ten completely edentulous patients had two alpha bio dental implants placed in the anterior part of the mandible. The loading protocols for the patients was chosen randomly by drawing lots. Five patients were loaded under immediate loading protocols and other five following delayed. Crestal bone loss and bone quality were assessed around each implant. Periotest values were recorded for each implant at 3, 6 and 12 months after loading. Two implants were lost and were excluded from the study. However mean crestal bone loss around implants was 0.81 mm from the time of prosthetic loading to 12 months after prosthetic loading was seen and no significant result was found between the two groups for the crestal bone loss and the periotest values. Though the periotest value decreased (indicates increased stability) over the time period. The bone density changes were significant for both the groups at coronal level at all time intervals but at middle level significant only after 12 months of prosthetic loading, although individual variation was high. This study concluded that the changes in crestal bone level and periotest values were insignificant for the two groups. But the implant stability increased over the time and the crestal bone loss was evident with decreased rate over the period of time. There was wide individual variation for the bone density changes but overall increase in the density was seen.</p></div></front></TEI><affiliations><list><country><li>Inde</li></country></list><tree><country name="Inde"><noRegion><name sortKey="Lahori, Manesh" sort="Lahori, Manesh" uniqKey="Lahori M" first="Manesh" last="Lahori">Manesh Lahori</name></noRegion><name sortKey="Chandra, Sidhartha" sort="Chandra, Sidhartha" uniqKey="Chandra S" first="Sidhartha" last="Chandra">Sidhartha Chandra</name><name sortKey="Gupta, Himanshu" sort="Gupta, Himanshu" uniqKey="Gupta H" first="Himanshu" last="Gupta">Himanshu Gupta</name><name sortKey="Kaul, A S" sort="Kaul, A S" uniqKey="Kaul A" first="A. S." last="Kaul">A. S. Kaul</name><name sortKey="Nagrath, Rahul" sort="Nagrath, Rahul" uniqKey="Nagrath R" first="Rahul" last="Nagrath">Rahul Nagrath</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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