DentaltownUK February 2018 - 41

Case 2
A 52-year-old patient presented with the need
to prepare a maxillary right second molar crown
along with replacing an existing right first molar
crown. Because two crown preparations were
underway, multiuse diamonds (Two Striper 253SB)
were utilized (Fig. 4).
Multiuse diamonds such as the Two Striper are an

excellent choice for quadrant preparations because
they maintain their cutting effectiveness throughout
multiple crown preparations, allow for easy margin
delineation, and reduce the number of times you
need to change out the burs. The preps were finalized
for zirconia specifications, the burs discarded and
a final impression taken (Fig 5).
Fig. 5

Fig. 4

These factors not only reduce the cutting quality
and effectiveness, but ultimately create more trauma
to the tooth. And, with repeated use, the process
dramatically spirals downward causing even more
frustration for the dentist.
*

Practical crown prepping tips
Here are some tips to ensure healthy and efficient
crown preparations.
* Measure twice, cut once. Use diamond burs to
your advantage. Learn the dimensions of the burs
and match those depths to the reduction you
need. Now you not only have a cutting tool, but a
measuring device as well. Your lab will appreciate
your newfound consistency!
* Maximize the bur's cutting performance. Use
multi-use burs for quadrant crown preparations
and use single-use burs for single crown preps.
Discard them once finished! Somehow as
clinicians we trip over dollars to pick up pennies.
Time is money in dentistry. And in this case, it
also laterals over to patient safety.
* Develop a methodical reduction approach.
Move around the tooth in a constant direction.
Back-and-forth motions often lead to stepping

*

of the margin. Begin with a coarse grit for gross
reduction and finalize with a fine grit diamond
bur to create a smooth preparation. This has
never been more important, especially with the
adoption of digital impression capture. Hone it!
Allow your provisional to be a teacher. When
fabricating your provisionals-or if your
assistant is-make sure to evaluate for the
proper thickness. If the occlusal is thin, the final
restoration occlusal table will be too!
Use copious water when prepping. Water spray
is an important variable when preparing a tooth.
Not only does it cool the tooth, but it also
minimizes clogging of the bur and lubricates the
cutting process.

Closing
Using the right tools to do a neat job efficiently is
necessary for tricks of the dental trade-with the goal
being a healthy, safe and uniformly reduced tooth.
Dentists can agree that no matter what combination of burs or diamond rotary instruments is used to
prepare any indirect restoration, they must respect and
complement the procedure. ■

dentaltownuk.com \\ FEBRUARY 2018

41


http://www.dentaltownuk.com

Table of Contents for the Digital Edition of DentaltownUK February 2018

Cover
Mike Gow: Contracts & the Hit Man
Howard Speaks
Message Board: Predictable Marginal Ridge
Dr. Harry Singh’s Financial Freedom Formula
Private Removable Prosthetics
Message Board: Large Composite Restorations
Quiz: Name that Oral Lesion!
The Boxing Dentist
Don't Make Assumptions
A Combined Digital Orthodontic and Restorative Approach
To Fill or Restore?
Back to Birmingham: BDC & Dentistry Show 2018
Temporomandibular Joint
Spin Me Right Round: Crown Preparations
Through the Keyhole-Dr. Alif Moosajee
Wish List-Dr. Yogi B. Savania
DentaltownUK February 2018 - Cover
DentaltownUK February 2018 - Cover2
DentaltownUK February 2018 - 3
DentaltownUK February 2018 - 4
DentaltownUK February 2018 - Mike Gow: Contracts & the Hit Man
DentaltownUK February 2018 - Howard Speaks
DentaltownUK February 2018 - 7
DentaltownUK February 2018 - 8
DentaltownUK February 2018 - 9
DentaltownUK February 2018 - Message Board: Predictable Marginal Ridge
DentaltownUK February 2018 - Dr. Harry Singh’s Financial Freedom Formula
DentaltownUK February 2018 - 12
DentaltownUK February 2018 - 13
DentaltownUK February 2018 - Private Removable Prosthetics
DentaltownUK February 2018 - 15
DentaltownUK February 2018 - Message Board: Large Composite Restorations
DentaltownUK February 2018 - 17
DentaltownUK February 2018 - Quiz: Name that Oral Lesion!
DentaltownUK February 2018 - 19
DentaltownUK February 2018 - 20
DentaltownUK February 2018 - 21
DentaltownUK February 2018 - 22
DentaltownUK February 2018 - The Boxing Dentist
DentaltownUK February 2018 - 24
DentaltownUK February 2018 - 25
DentaltownUK February 2018 - 26
DentaltownUK February 2018 - 27
DentaltownUK February 2018 - Don't Make Assumptions
DentaltownUK February 2018 - 29
DentaltownUK February 2018 - A Combined Digital Orthodontic and Restorative Approach
DentaltownUK February 2018 - 31
DentaltownUK February 2018 - To Fill or Restore?
DentaltownUK February 2018 - 33
DentaltownUK February 2018 - Back to Birmingham: BDC & Dentistry Show 2018
DentaltownUK February 2018 - 35
DentaltownUK February 2018 - Temporomandibular Joint
DentaltownUK February 2018 - 37
DentaltownUK February 2018 - 38
DentaltownUK February 2018 - Spin Me Right Round: Crown Preparations
DentaltownUK February 2018 - 40
DentaltownUK February 2018 - 41
DentaltownUK February 2018 - Through the Keyhole-Dr. Alif Moosajee
DentaltownUK February 2018 - 43
DentaltownUK February 2018 - 44
DentaltownUK February 2018 - 45
DentaltownUK February 2018 - 46
DentaltownUK February 2018 - 47
DentaltownUK February 2018 - 48
DentaltownUK February 2018 - 49
DentaltownUK February 2018 - Wish List-Dr. Yogi B. Savania
DentaltownUK February 2018 - Cover3
DentaltownUK February 2018 - Cover4
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