Grafting Procedures And Bone Grafts
Sinus Lifting: Maxillary sinus floor augmentation (also termed sinus lift, sinus graft, sinus augmentation or sinus procedure) is a surgical procedure which aims to increase the amount of bone in the posterior maxilla (upper jaw bone), in the area of the premolar and molar teeth, by lifting the lower Schneiderian membrane (sinus membrane) and placing a bone graft.
a.External sinus lifting (with lateral window) – the most frequently used technique when sinus augmentation is needed in case of large (severe) resorptions.
Sinus lifting technique with lateral window involves:
b.Internal sinus lifting (with crestal orifice) – represents the technique of choice when sinus resorption and expansion is small, limited and only a 2-3mm bone height lifting inside the sinus is needed.
Internal sinus lifting technique involves:
Sinus lifting procedure can be performed individually or concurrently with dental implant insertion. For the second option, when dental implant is needed to be performed in the same time, it is mandatory, that after insertion, an exceptional mechanical stability to be present (to be immobile in the addition material introduced within sinus). This stability can be achieved with special, modern implants and only if under the sinus a bone “headboard” of 3-4 mm thickness (height) exists. Otherwise, implanting will be postponed for 7-9 months until mature bone is formed within the maxillary sinus.
Block grafts: The block bone graft is another type of graft that we use. The block bone graft is necessary when there are large defects in the jawbone. To perform the block bone graft, we harvest a small block of bone from the back of the jaw or iliac bone. We place the block into the defect, then hold it in place with small titanium screws.
the bone graft dental procedure takes between 45-90 minutes and is performed in clinic or hospital. The initial recovery period lasts about two weeks. Following the bone graft procedure, the waiting time until a solid bone mass is received is between 3-6 months, in most clinical cases.