Crestal approach sinus elevation

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Posted on By narayan tv In Implants

50 year old female with edentulous areas in the 15, 25,26 (FDI) positions, no relevant medical history. Bilateral crestal approach sinus elevation carried out in July 2012, implants loaded in March 2013. The elegance of the reamer technique scores way over the osteotome technique in its simplicity, patient acceptance and most importantly by predictably allowing engagement of the sinus floor by the implant, considerably increasing primary stability

Pre-op OPG
Intra op radiograph Left

ImmediatePost op Left
Intra -op and immediate post op right

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Really nice case TV narayana, Dr.Raghu


Thank you Dr. Raghu


Well done and nice result. Can you please describe how you locate the floor of the sinus? In addition, what is the minimal height and width of crestal bone required to use this instrumentation. Thank you for sharing. Chuck


Thank you Dr. Schwimer,
I had a CBCT, but couldn't post any more images. The reamers come in 4 diameters 2.4,2.8,3.2&3.6, which correspond approximately to the apical diameters of 4,4.5,5 and 6 mm dia tapered implants. Also there are drill stops starting from2 mm. So technically, this can be used in min 7mm width/length and min 3mm subantral height. I have used it in cases with 4 mm height


Neat Job Narayan, i second your comment, but will it work near septum areas, whats your opinion, thanks for sharing.


Thanks Ashok
It works perfectly well on septae and sloped sinus floors.You can actually engage the septum with the c reamer and subsequently the implant


Will you please elaborate on reamer technique, the instrument kit along with its photographs, the company that makes it? which implants are these?


Sourabh, the kit is the Neo biotech SCA kit and these implants are Neobiotech CMI IS II implants. Unfortunately I cannot upload anymore photographs but you could see the kit on the DentalXP site, as well as Neobiotech's site