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document
Two-year prospective clinical comparison of immediate replacement vs. immediate restoration of single tooth in the esthetic zone . AIM To compare the immediate restoration of single implants in the esthetic zones performed on implants placed immediately after tooth extraction or 8 weeks later ( immediate replacement vs. immediate restoration ) . METHODS Sixteen patients ( 10 women and 6 men ) with a mean age of 35 years ( ranging from 21 to 49 years old ) were treated from 2004 to 2005 for single-tooth replacement in the upper arch . The patients were randomly divided into two groups : in the test group patients received implants placed and restored ( non-occlusal loading ) at the time of tooth extraction ; in the control group implants were placed 8 weeks after tooth extraction and immediately restored . All the patients received tapered effect ( TE ) implants from the Straumann Dental Implant System . The following parameters were evaluated at the moment of provisional restoration ( within 48 h after implant placement ) and at the 2 years follow-up visit : marginal bone resorption , papilla index , position of the mucosal margin . The implant stability quotient was measured at the moment of implant placement and at the moment of the delivery of the definitive restoration . RESULTS No statistically significant differences were found in any of the studied parameters between the test and the control groups ( P > 0.05 ) . The implant stability quotient values between the test and control groups were significant ( P < 0.05 ) at the moment of implant placement but were no more significant at the loading of the definitive restoration ( P > 0.05 ) . CONCLUSION The results of the present study suggest that immediate replacement without functional loading may be considered a valuable therapeutic option for selected cases of single-tooth replacement in the esthetic area when TE implants are used . Implant stability at the moment of implant placement is slightly inferior in the immediate replacement group , but it does not affect the treatment result .
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Intervention_Physical
immediate replacement vs. immediate restoration of single tooth
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Intervention_Physical
single implants
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Intervention_Physical
replacement
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Intervention_Physical
restoration )
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Intervention_Physical
implants placed and restored
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Intervention_Physical
implants were placed
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Intervention_Surgical
after tooth extraction and immediately restored .
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Intervention_Physical
tapered effect ( TE ) implants
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Intervention_Physical
single-tooth replacement
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Outcome_Physical
marginal bone resorption , papilla index , position of the mucosal margin .
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Outcome_Physical
implant stability quotient
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Outcome_Physical
implant stability quotient values
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Outcome_Physical
Implant stability
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Participant_Condition
single tooth
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Participant_Condition
esthetic zone
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Participant_Sample-size
Sixteen
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Participant_Age
patients ( 10 women and 6 men ) with a mean age of 35 years ( ranging from 21 to 49 years old ) were treated from 2004 to 2005 for
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Participant_Condition
single-tooth replacement in the upper arch
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Participant_Age
.
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Participant_Condition
tapered effect ( TE ) implants
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Participant_Condition
Straumann Dental Implant System