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At the annual convention of the German Society of Orthodontics (DGKFO) in Munich, we presented jointly with Dr Chhatwani (Lüdenscheid) and Dr Jacobs (University of Mainz) our newest research results.

 

Rate of loss of palatal implants with the support of wound healing plates: A clinical study from real-life examples

Chhatwani B, Gebhardt PF, Chhatwani S, Jacobs C.

 

AIM:

The aim of the study was to evaluate the rate of loss of palatal implants following treatment of the gum by means of a wound healing plate during the healing phase (3 months).

 

MATERIALS AND METHODS

The data of all patients who received palatal implants between January 2010 and June 2013 were analysed retrospectively. All implants were inserted by a dentist (Chhatwani B) in the middle anterior palate and indirectly fixed (TPA appliance) to support sagittal tooth movement. The rate of loss was the primary subject in question. The following parameters were examined by means of univariate (long-rank test) and multivariate (Cox’s regression) analysis: (a) the age of the patients (b) the sex of the patients.

 

RESULTS:

90 palatal implants were inserted in the mouths of patients between the ages of 13 and 50. Of these, 50 patients were female and 40 were male. Overall, the results demonstrated a rate of loss of 1/90 (1%) after the conclusion of the orthodontic treatment. The osseointegration was checked using a torque wrench. In the case of the non-osseointegrated implant, the patient stated that they had not worn the wound healing plate.

The univariate analysis could not conclusively indicate any influence of either sex or age on the rate of loss (P=0.0005; log-rank test). Due to the Cox regression analysis (P=0.001; Wald test), the significance was therefore not confirmed.

 

CONCLUSION

In comparison with previous studies, our results proved a lower rate of loss of palatal implants through use of a wound healing plate during the healing phase.

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