Biological Drilling

Biological Drilling at low speed without irrigation is a technique developed by BTI that facilitates the collection of all the bone during drilling; in this way a large amount of autologous bone can be used as an autograft.

Bone stability around the implant is key for the success of the treatment, for this reason the bone walls of the new alveolus must be in the best biological condition possible. Besides, it makes easier to maintain the direction and control over the work depth.

Protocol Advantages

The main advantage of this drilling system designed to be used at low speed, 50 to 75 rpm., is the possibility of retrieving bone during drilling, in this way obtaining a large amount to be used as an autograft. The design of this drilling system was developed due to the need observed in many surgical procedures to obtain autologous bone for an autograft.

Another peculiarity of this protocol is that this bone is kept in autologous plasma (Endoret® (prgf®)) for a better preservation of the cellular viability and subsequent self-transplant. When placing the implants the drilling protocol establishes that they are placed without irrigation (there is no increase in temperature during their insertion) and wetted with Endoret® (prgf®) to improve the osseointegration of the implant in the bone.
bti biological drilling

bti biological drilling


BTI Initial Drills

The initial drill has a very active tip and with excellent penetration capacity in the cortical bone. It achieves precise drilling and an exact location of the starting point for the drilling, particularly in narrow alveolar ridges, and better directional control. It also enables lateral drilling in case we want to modify the location of the neo-alveolus by half a millimetre. It is the ideal drill to use in immediate post-extraction implants, as it allows us to drill accurately into the wall of the post-extraction socket.

This drill must always be used with abundant irrigation, either with saline solution or with pyrogen-free sterile water, and at revolutions between 800 and 1,000 rpm.
bti inicial drills

1.8 mm BTI Drills at 5.3mm diameter

The next drill is 1.8 mm diameter, with an exclusively apical cut. Its special helicoidal design is very good for retaining the bone particles that are cut. This drill is used almost exclusively in narrow alveolar ridge. The rest of the drills with larger diameters are used progressively, depending on the diameter of the implant to be placed and on the bone quality. They can all be used without irrigation as long as you work at low revolutions.
bti drills 1.8

Countersink Drills

Drills with a cutting conical part, of the same size as the platform, which creates an opening in the bone crest to accommodate the implant head and which avoids excessive compression.
bti Countersink drills


A Clinical Technique

Front cutting drill, designed to achieve maximum settlement for extrashort implants and to work the cortical bone in transalveolar sinus elevations and in proximity to the dental nerve.

They come in six diameters to be used in the appropriate drilling procedure depending on the implant diameter. The different depth marks are useful to know the exact location of the drill in accordance with the height of the remaining bone.

A cutting tool that does not damage anatomical structures


Formed by four active blades, which cut the bone without damaging compromised anatomical structures.


The innovative design means the bone can be preserved.


Marks to view the exact height of the work.

Drilling Procedure

These drills must be used when the appropriate alveolus for the diameter has been prepared, with apical instrumentation at the base of the sinus and/or allowing further advancement of the extrashort implant, achieving excellent primary stability and avoiding compression.

An exclusive and innovative BTI® design

bti front cutting drills

bti front cutting drills

bti front cutting drills


The design of the BTI drills enables you to work at low revolutions (50-75 rpm) without irrigation, which means you can recover all the bone when drilling and use it as an autograft. It is also possible to work with the parameters of conventional drilling, at high revolutions if required.

Drilling at low revolutions provides excellent control of the drilling depth and perfect visualisation of the depth marking, reducing the chance of causing damage to significant structures. It also helps to control the direction of drilling on the vertical.

With the new drilling technique, as it is more accurate, the neo-alveolus created will house the implant with greater initial stability. At the same time, from a biological point of view, the socket, as it has been made without irrigation, will be in the best condition for revascularisation and the subsequent osseointegration of the implant.

The depth marks are at:

Short drills: 3, 5.5, 6.5, 8.5, 10, 11.5, 13 and 15 mm
Long drills: 3, 5.5, 6.5, 8.5, 10, 11.5, 13, 15 and 18 mm

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