Clinical and radiological evaluation of implants placed with osteotome sinus lift technique: 19-month follow-up
Identifieur interne : 000995 ( Main/Curation ); précédent : 000994; suivant : 000996Clinical and radiological evaluation of implants placed with osteotome sinus lift technique: 19-month follow-up
Auteurs : Bijan Movahedian Attar [Iran] ; Samaneh Alaei [Iran] ; Hamid Badrian [Iran] ; Amin Davoudi [Iran]Source :
- Annals of Maxillofacial Surgery [ 2231-0746 ] ; 2016.
Abstract
Implant placement in the posterior region of the maxilla might be problematic due to poor regional bone quality. The aim of this study was to clinically and radiologically evaluate implants which were placed in the posterior region of the maxilla (with insufficient bone height) with osteotome sinus lift technique after 19-month follow-up.
Twenty-four patients with posterior maxillary alveolar height ranging from 5 to 8 mm were chosen for this prospective study. After breaking of the cortical bony sinus floor, sufficient bone substitute was placed, and sinus floor was elevated. In this way, a new sinus floor was created, which was designated for further implants placement. Fifty implants were placed immediately after osteotomy sinus lift technique. The mean clinical and radiological follow-up period was 19 months (with a range of 14–24 months). Success factors such as the absence of mobility, pain, infection, and the amount of crestal bone loss were determined in this study. For data analyzing, Kruskal–Wallis and Mann–Whitney tests were used.
After 19 months, results showed 96% success rate. Two out of fifty implants failed due to mobility. The mean depth of implants in sinus, mean height of residual crestal bone before surgery, and the mean rate of crestal bone loss were 3.8, 7.9, and 0.71 mm, respectively.
Osteotome sinus lift technique is a noninvasive surgical method for enhancing a desired length. Furthermore, implants insertion was successful after osteotome sinus lift technique in cases with insufficient bone height.
Url:
DOI: 10.4103/ams.ams_7_16
PubMed: 28299256
PubMed Central: 5343626
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<author><name sortKey="Attar, Bijan Movahedian" sort="Attar, Bijan Movahedian" uniqKey="Attar B" first="Bijan Movahedian" last="Attar">Bijan Movahedian Attar</name>
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<author><name sortKey="Alaei, Samaneh" sort="Alaei, Samaneh" uniqKey="Alaei S" first="Samaneh" last="Alaei">Samaneh Alaei</name>
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<author><name sortKey="Davoudi, Amin" sort="Davoudi, Amin" uniqKey="Davoudi A" first="Amin" last="Davoudi">Amin Davoudi</name>
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<series><title level="j">Annals of Maxillofacial Surgery</title>
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<front><div type="abstract" xml:lang="en"><sec id="st1"><title>Aims:</title>
<p>Implant placement in the posterior region of the maxilla might be problematic due to poor regional bone quality. The aim of this study was to clinically and radiologically evaluate implants which were placed in the posterior region of the maxilla (with insufficient bone height) with osteotome sinus lift technique after 19-month follow-up.</p>
</sec>
<sec id="st2"><title>Materials and Methods:</title>
<p>Twenty-four patients with posterior maxillary alveolar height ranging from 5 to 8 mm were chosen for this prospective study. After breaking of the cortical bony sinus floor, sufficient bone substitute was placed, and sinus floor was elevated. In this way, a new sinus floor was created, which was designated for further implants placement. Fifty implants were placed immediately after osteotomy sinus lift technique. The mean clinical and radiological follow-up period was 19 months (with a range of 14–24 months). Success factors such as the absence of mobility, pain, infection, and the amount of crestal bone loss were determined in this study. For data analyzing, Kruskal–Wallis and Mann–Whitney tests were used.</p>
</sec>
<sec id="st3"><title>Results:</title>
<p>After 19 months, results showed 96% success rate. Two out of fifty implants failed due to mobility. The mean depth of implants in sinus, mean height of residual crestal bone before surgery, and the mean rate of crestal bone loss were 3.8, 7.9, and 0.71 mm, respectively.</p>
</sec>
<sec id="st4"><title>Conclusion:</title>
<p>Osteotome sinus lift technique is a noninvasive surgical method for enhancing a desired length. Furthermore, implants insertion was successful after osteotome sinus lift technique in cases with insufficient bone height.</p>
</sec>
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