Uses of maxillary sinus lateral wall bony window in an open window. It is designed to increase the vertical posterior maxillary alveolar dimension for placement of dental implants. Grafting the floor of the maxillary sinus has emerged as the most common surgical modality for correcting this inadequacy. Hilt tatum proposed the first sinus lift procedure in 1976 at an implant meeting in birmingham, alabama. Enlargement of the maxillary sinus is consequent to facial growth. The maxillary sinus or antrum of highmore lies within the body of the maxillary bone and is the largest and first to develop of the paranasal sinuses figure. The maxillary sinus enlarges variably and greatly by pneumatization until it reaches the adult size by the eruption of the permanent teeth. The sinus floor was carefully fractured, separated from the schneiderian membrane avoiding damage to membrane using a surgical mallet with controlled force. The dimensions are 15 cc to 20 cc for volume, 32 mm to 34 mm for length, 28 mm to 37 mm for height, and 23 mm to 25 mm for width. Bone atrophy and pneumatization of the maxillary sinus resulting from tooth loss, associated with low bone density in the. Maxillary sinus augmentation for dental implants intechopen. A health technology assessment report on clinical efficacy.
Growth of the sinus slows down with decline of facial growth during puberty but continues throughout life. Maxillary sinus lift is a procedure commonly used nowadays to. A study had to have at least 10 sinus lifting procedures, had to detail how the bony window was used and had to report the number of schneiderian membrane. Methodology lateral sinus lift is usually carried out under general or local. Maxillary sinus bone augmentation techniques oral and. Sinus lift procedure of the maxilla in patients with inadequate bone. The maxillary sinuses were first illustrated and described by leonardo da vinci in 1489 and later documented by the english anatomist nathaniel highmore in 1651.
The maxillary sinus is surrounded by six bony walls,g and its enlargement is termed sinus pneumatization. The sinus lift procedure is a technique of bone reconstruction along the maxillary sinus floor. Maxillary sinus lift with solely autogenous bone compared to a combination of autogenous bone and growth factors or solely bone substitutes. Dental implants, posterior maxilla, lateral antrostomy, crestal approach, pneumatized maxillary sinuses. Nerve supply to the sinus is derived from the superior alveolar branch of the maxillary v2 division of the trigeminal nerve. The classic lateral antrostomy pioneered by tatum appears to be the most common sinus lift procedure. The mean distance between psaa and floor of maxillary sinus was 9. Maxillary sinus antrum of higmore mansoura university. An overview of current techniques avichai stern, dds, james green, dmd for more than 30 years the maxillary sinus augmentation graft has been a mainstay of implantdirected maxillary reconstruction.
Background maxillary sinus the maxillary sinus is a bilateral paranasal air filled space, which is situated lateral to the nasal cavity, superior to the maxillary teeth, inferior to the orbital cavity and anterior to the infra. It is the largest bilateral air sinus located in the body of the maxilla and opens in the middle nasal meatus of the nasal cavity with single or multiple openings. Direct vs indirect sinus lift in maxillary dental implants. The paired maxillary sinuses are airfilled spaces lying within the bilateral maxillae, lateral to the nasal cavity, superior to the maxillary teeth, inferior to the orbital. The size of the sinus is insignificant until the eruption of permanent dentition. The maxillary sinus is a key structure of the midface and plays an important role in dentistry. The complexity of the sinus cavity and the proximity of the floor of the maxillary sinus to the root.
S oral and maxillofacial surgery sinus lift procedure 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 molarteeth, by lifting the lower. Maxillary sinus antrum of higmore the maxillary sinus is a pneumatic space. Maxillary sinus lift is a safe, reliable and successful surg ical procedure, provided that the fundamental pr inciples of the technique are strictly adhered to. University of groningen maxillary sinus lift with solely. The indirect sinus lift was done by insertion of correct caliber osteotome and working up through successively greater instrument diameters, until the sinus floor was fractured and elevated up. Pdf the placement of endosseous implants in posterior edentulous maxilla is normally a challenging task in implant dentistry due to maxillary sinus. The sinus lifting procedure was bilateral in 35 patients and unilateral in 81 patients a total of 151 sinuses. To be a candidate for the dental implant procedure, a patient must have sufficient bone in the maxillary and mandibular alveoli to support these posts.
Sinus lift procedures dental clinics of north america. The sinus floor expands with age and is often in close relationship with. The following augmentation procedures were analysed. Periapical surgeries, implants and maxillary sinus lift are performed on routine basis. Anatomy of the maxillary sinus the maxillary sinus is a pyramid shaped cavity with its base adjacent to the nasal wall and apex pointing to the zygoma. Anatomy of the maxillary sinus the maxillary sinus is a pyramidshaped cavity with its base adjacent to the nasal wall and apex pointing to the zygoma fig. 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 when a tooth is lost the alveolar process. Management of acute maxillary sinusitis after sinus bone grafting. Clinical efficacy and cost of allograft use in maxillary sinus lift procedure performed by the lateral window technique 1.