Odontoiatria e Maxillofacciale

EVALUATION OF TWO TREATMENT MODALITIES FOR PATIENTS WITH COMBINATION SYNDROME SUFFERING FROM NARROW ANTERIOR MAXILLA

2013
Autore: Riham O.I.

The success of a single maxillary denture in Combination syndrome relies on the principles of retention, stability and support. Severely resorbed maxillary edentulous ridges that are narrow and constricted with increased inter ridge space will affect this success.

Ten patients with a Combination syndrome suffering from narrow anterior maxilla and mandibular Kennedy Class I were included in this prospective clinical study. Patients were randomly divided into two groups. Group I received four Xive implants supported and retained complete maxillary overdenture with the anterior maxilla augmented with autogenous bone block chin graft. Group II received four Xive implants supported and retained complete maxillary overdenture with the anterior maxilla augmented with vertical ridge splitting and heterogenous bone fill particles of lyophilized deantigenized animal equine collagen, and biocollagen resorbable membrane.

The results of this study revealed nonsignificant increase in the mean bone height loss after 6, 12 and 18 months follow up period in group I and group II. There was a non-significant difference in the mean bone height loss between group I and group II at different follow up periods.

After one and a half years of implant retained and supported overdenture, clinical and radiographic data demonstrated that implants can be successfully placed in either alveolar ridges augmented with autogenous bone or ridge splitting with Bio-Gen and Biocollagen membrane. Also, this study exhibited peri-implant stability with high survival, healthy peri-implant tissue and the marginal bone ridge values were satisfactory around implants.

Life Science Journal
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