• The T.T.S Tip & Torque Surveyor
    is an ergonomically designed, easy to use digital instrument
    that can be used for measuring with good precision dental models for
    "Tip and Torque"
    This information can then be added to diagnostics when planning Orthodontic cases,
    especially relating to fixed labial and lingual Orthodontics and the choice of torque
    required within the system. It can be use like a digital TARG to set tip and torque be
    transferred into brackets during Laboratory Indirect Bonding Procedures with the B.P.I.
  • The B.P.I Bracket Positioning Instrument
    This is a device for positioning orthodontic brackets to the surface of mal-occluded
    teeth on dental models or ‘set-up models’ used in lingual and/or labial
    orthodontic techniques.
    It has digital encoders for precise height & thickness measurements.

IN-tendo is a Hybrid system developed by Peter Sheffield

for precise indirect bonding of either lingual or labial orthodontic brackets. It is a logical blend of existing ‘Indirect Bonding’ Laboratory Systems for Lingual Orthodontics such as the CLASS, TARG and BEST systems. IN-tendo came from years of doing Lingual Orthodontic Laboratory techniques using the Modified T.A.R.G. Instrument from Dr. Fillion, who is now considered the “Father of Modern day Lingual Orthodontics”.

The IN-tendo technique uses the special instruments; the ‘Tip & Torque Surveyor’ or T.T.S as we like to call it, plus the ‘Bracket Positioning Instrument...or B.P.I.’

The T.T.S is based on our first ever Digital TARG, called the T.A.D that Peter innovated and helped develop in 2004/ 2005 after using the modified T.A.R.G. at Dr. Fillion's lab in Paris. The T.T.S has many improvements both practical and with regards to use. With the T.T.S we can survey dental models for angulation (TIP) and inclination (commonly referred to as Torque), but we can also use it as the old TARG from Ormco was designed to be used, to set teeth on dental models to a prescribed position for tip and torque and then bond them via the B.E.S.T. system (bonding with equal specific thickness).


The B.P.I. is used to bond the brackets to the malocclusion models

which have been programmed via the T.T.S. for specific Tip and Torque values in the orthodontic bracket slots, or it can be used to bond Lingual orthodontic or Labial Orthodontic brackets direct to set-up models. This is very important to help create “wire templates” that reduce ‘chair time’ in Orthodontic clinics used for bending the orthodontic wires in the labial technique for finishing cases. But it is essential in the Lingual Orthodontic technique to reduce side effect from applying the wrong tip and torque which are compounded and exaggerated in the lingual technique.

Both Instruments were designed separately for better “ease of use” and ergonomics in the dental laboratory. IN-tendo™ is a registered trademark and a copyrighted technique.