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  RESEARCH EVOLUTION IN DENTISTRY 

Minerva Stomatologica 2013 August;62(8 Suppl 1):19-26

Copyright © 2013 EDIZIONI MINERVA MEDICA

language: English, Italian

Reduction of precocious peri-implant resorption cone

D. DE SANTIS 1 , G. ZANOTTI 2, S. MORANDINI 2, A. BORDANZI 2, R. GEROSA 3, L. F. RODELLA 4, A. ROSSETTO 5, L. CHIARINI 6, P. F. NOCINI 1, D. BERTOSSI 1

1 Oral and Maxillofacial Surgery, Dental School University of Verona, Verona, Italy; 2 Private Practitioner, Verona, Italy; 3 Azienda Ospedaliera Universitaria Integrata, Policlinico G. B. Rossi, Verona, Italy; 4 Department of Anatomy and Pathophysiology, University of Brescia, Brescia, Italy; 5 School of Dentistry, University of Verona, Verona, Italy; 6 Department of Surgery, Main Section of Oral and Maxillofacial Surgery, University of Modena and Reggio Emilia, Modena, Italy


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AIM: After implant-insertion, bone tissue, newly-formed on peri-implant crest, undergoes to a mild marginal osseous readjustment due to build-up of inflammatory cell tissue (ICT). The present study verifies the possibility to limit bone resorption by placing implant fixtures 0.5 mm outside cortical bone edge.
METHODS: A clinically-controlled randomized study on 100 implants has been performed to compare early resorption process of implant fixtures placed 0.5 mm outside cortical bone edge with implant-fixtures inserted according to juxtacortical bone conventional protocols.
RESULTS: After 6 months, bone implant level was higher with emersion approach (-1.01±0.54 mm, mean±SD) than with submerged treatment (-1.56±0.5 mm) (P<0.001).
CONCLUSIONS: Factors to achieve an excellent result at mean-long term seem to be very good, even though the latter have to be confirmed by follow-up.


KEY WORDS: Dental implants - Bone screws - Mouth, edentulous

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