Caldwell-Luc Procedure:It is the Lateral Window Sinus Augmentation. A bony window is created in the lateral maxillary wall to access the sinus cavity and then the Schneiderian membrane is elevated.
The allograft method is used for bone grafting. An absorbable collagen membrane divides the bony window and bone graft. A direct bone visualization, accurate placement and implant positioning are allowed in this technique. Collagen membrane helps in treating any tear in the membrane.
Antral Balloon Sinus lift ProcedureIn this procedure, Sinus membrane is raised with the help of a rubber (or) antral balloon instead manual tools. In this technique, membrane perforation will have the least chance.
- The Crestal approach (Indirect sinus lift) or Osteotome sinus floor elevation procedure
- The direct sinus lift procedure or lateral approach
- One step antrostomy
Indirect sinus lift ProcedureThe doctor completely pre-evaluates the implant site with detailed X-rays. The soft & hard tissues are entirely scrutinized and the diagnostic information is collected before performing the surgery.
- There is an assessment done for gingival health.
- Color, texture, depth of the pocket is examined
- A bone topography elevation is required to enable ridge mapping
- Height between alveolar and sinus floor
- A Bucco-lingual width and mesiodistal of edentulous spacing, CT dental scan and OPG
- Greater palatine nerve, an infraorbital nerve, and posterior superior alveolar nerve blocks are administered with the help of sensorcaine. 2% lignocaine HCL is used for local infiltration.
- An Incision about 2-3 cm is made on the palatal side of the ridge crest
- Full-thickened mucoperiosteal flap reflected and then retracted
- A surgical stent is introduced into the site
- With a round bur, the implant position is marked
- Implant bed is prepared with a Pilot drill
- With the help of osteotome, the sinus floor is broken
- The mobilized bone at the sinus floor is elevated with the osteotome
- The implant is placed at its prepared site
- Titanium cover screw is introduced on the implant
- Finally, the mucoperiosteal flap is repositioned & sutured
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