STUDY

Can placement of an immediate bone level tapered implant and subperiosteal xenograft help maintain bone architecture in esthetic areas?

 

https://www.sciencedirect.com/science/article/pii/S221242681830304X

Caiazzo A, Brugnami F, Mehra P. Journal of Oral Biology and Craniofacial Research 9 (2019) 186-189.

 

The goal of the study was to evaluate if the buccal plate preservation (BBP) technique in implant immediacy in conjunction with cerabone® prevents alveolar ridge resorption.

Methods:
20 patients were subjected to single tooth extraction in the aesthetic zone. In four-wall intact sockets implants were placed immediately following curettage. Spaces between the buccal plate and implant were augmented with cerabone® according to the BBP technique. Sites were stabilized by sutures, but no primary wound closure was achieved. CBCTs were taken immediately after implant placement (T1) and six months post-surgery (T2) to evaluate buccal plate resorption. Measurements were performed at two sites of the socket, at 1mm and at 4mm below the cementoenamel junction of the adjacent teeth.

Results:
– Mean bone thickness was 2.86mm (range 1.4–5.3) at T1 at the 1mm point, and 3.09mm (range 1.8–5.3) at the 4mm point
– At T2, the thicknesses were 2.49mm (range 1.2–4.9) at M1, and 2.83mm (range 1.5–5) at M2
– The mean of the difference between T1 and T2 was −0.19±0.85mm at the 1mm point and −0.05±0.99mm at the 4mm point
– The difference between the means at T1 and T2 was not statistically significant
– No implants were lost, all remained successfully in function over the whole observation period 

Conclusion:  
The results showed excellent stability of the buccal plate contour six months post-operative. The authors concluded that the BBP technique can be successfully used in combination with immediate implant placement.

Dr. Alfonso Caiazzo

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