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P48
Horizontal Ride Augmentation in the Anterior Maxilla and Implant Placement: A Case Report.
Thursday, March 1 / 12:30-12:40pm / Monitor 10

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HORIZONTAL RIDGE AUGMENTATION IN THE ANTERIOR MAXILLA AND IMPLANT PLACEMENT: CASE REPORT
Universidad
Tecnológica de México, Periodontics Department
Cordero Daniel DDs, PérezIvanovaDDs, Limón Leticia DDs


Introduction: With loss of teeth the alveolar bone undergoes an irreversible process of resorption both horizontally and vertically, as a result of which the ideal placement in three dimensions of dental implants becomes compromised. The increase of alveolar ridge with autologous bone graft technique in block has been used successfully to increase the residual bone and to place implants in a driven prosthetically guided way achieving aesthetic and functional results in the long term.

 

Aim: The present clinical case aims to show the use of the ridge augmentation technique using autologous blocks taken from the mandibular symphysis fixed in the anterior maxilla and the placement of 2 prosthetically guided implants for the restoration of the 4 upper incisors.

 

Case Report: A 47-year-old female patient with the 4 upper incisors periodontally compromised, these teeth were lost due to advanced periodontal disease, systemically the patient does not present any disease of relevance that may compromise treatment Fig 1.

 

Methods:

•A tomographic study was carried out, where the width of the residual ridge was measured giving an average of 4 mm of thickness Fig 2.
•In the first intervention, the alveolar ridge was increased by bone autograft in blocks from the symphysis of the mandible together with a xenograft and a collagen membrane fixed with screws and tacks Fig 3-6.
•In the second intervention after 6 months, the increase of the alveolar ridge was 7 mm on average, 2 regular platform implants were placed in the lateral incisor area through a surgical guide Fig 7-10.
•The third intervention was at 3 months, the implants were discovered and an temporary implant fixed prosthesis was placed. The final restoration phase continues currently Fig 11-13.
 

Results:

•An average bone gain of 3.5 mm could be obtained in the alveolar ridge
•The successful placement of the implants was achieved, they were of an adequate diameter with a primary stability of 30 N/cm and in a position guided prosthetically without obtaining dehiscence or fenestration of the implants achieving 2 mm of bone around the implants which guarantees long-term dimensional stability
 

Conclusion: The increase of horizontal ridge using the technique of autologous blocks showed an adequate bony gain which allowed a three-dimensional implant placement, adequate restoration of hard, soft tissues and locating a fixed esthetic-functional prosthesis of adequate proportions and pleasant for the patient. 


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