DentaltownUK July 2017 - 44

show your work
case study

Fig. 1. Preoperative radiograph reveals
the extent and depth of the failing amalgam
restorations on teeth #13 and #14.

Fig. 2. Preoperative occlusal view
of the amalgams on #13 and #14

Fig. 3. A nonlatex dental dam was placed.

Fig. 4. Defective amalgam restorations were
removed followed by beveling of cavosurface
margins.

Fig. 5. A tight interface between the band
and tooth was established.

Fig. 6. The preparations were selectively etched
with 35 percent phosphoric acid for 15 seconds
on only the enamel.

Case report

The patient was anesthetised and a
nonlatex Hygenic brand dental dam was
placed with a NW clamp on the second molar
(Fig. 3). Using a Brasseler 6845KR.31.018
diamond, the defective amalgam restorations
were completely removed, after which the
deeper portions of the box were beveled
using a Brasseler 6856 018 diamond. The
cavosurface margins were then beveled
to increase the enamel bonding area and
enhance aesthetics (Fig. 4).
The completed preparations were
particle-abraded using a PrepStart air abrasion
unit from Danville with a 90-degree, .015 tip
and 27-micron aluminum oxide powder. This
step homogenized the dentin and sealed the
dental tubules, and would help to increase
the bond to dentin and reduce sensitivity.
To facilitate sealing the preparation
and forming the adaptive layer for the
composite restorations, a Compsit-Tight 3D
ring with a slick band and Composi-Tight
3D Fusion wedge, both by Garrison, were

A 62-year-old male patient presented
with defective amalgam restorations on the
distal/occlusal surfaces of tooth #13 and the
mesial/occlusal/lingual surfaces of tooth #14,
which also had a separate buccal amalgam
restoration (Figs. 1 and 2).
Although crowns or onlays would typically be the preferred treatment plan for such
cases, the patient indicated the need to
postpone such restorations for a couple of
years. Because of the depth of the existing
restorations and the recurrent caries present,
it was wisest to initiate caries control and
restoration of the teeth.
When treating posterior cavities of
this size, the choice of composite material
can make clinical procedures much more
efficient and predictable while producing
a high level of aesthetics. My choices are
bulk-fill materials such as Tetric EvoFlow
Bulk Fill or Tetric EvoCeram Bulk Fill,
both from Ivoclar Vivadent.

44

JULY 2017 // dentaltownuk.com


http://www.dentaltownuk.com

Table of Contents for the Digital Edition of DentaltownUK July 2017

No label
On Dentaltown.com
Mike Gow: Record-Breaking Big Smile Big Band
Meet the Team
Howard Speaks: Thank You for Your Referral
Rehabilitation After Oral Cancer: Patient Treatment Considerations
Sugar-Free Eating
The Perfect Smile Studios Joins Dentex, the U.K. Dental Partnership Group
The Social Media Buffet
The Mobile Dentaid Unit Provides Care for Vulnerable People
Mastering the Spectrum of Care
The BDA Conference 2017 at Manchester Central Convention Centre
Time Out
Guy Laffan Interviews Imran Nathoo, MasterChef 2017 Finalist
Case Study: No Shrink? No Stress? No Problem.
Through the Keyhole—Surgery: Away with Natalia Letunova
Pulp Vitality in Pediatric Patients
Protecting Smiles of Future Champions
Finding the Right Work/Life Balance
Perfect Anteriors with the BACD
Lifestyle
Poll: Materials
CE Update
Students
Classified Listings
Wish List with Dr. Zaki Kanaan
DentaltownUK July 2017 - No label
DentaltownUK July 2017 - Cover2
DentaltownUK July 2017 - 3
DentaltownUK July 2017 - 4
DentaltownUK July 2017 - On Dentaltown.com
DentaltownUK July 2017 - Mike Gow: Record-Breaking Big Smile Big Band
DentaltownUK July 2017 - 7
DentaltownUK July 2017 - 8
DentaltownUK July 2017 - 9
DentaltownUK July 2017 - Meet the Team
DentaltownUK July 2017 - 11
DentaltownUK July 2017 - Howard Speaks: Thank You for Your Referral
DentaltownUK July 2017 - 13
DentaltownUK July 2017 - Rehabilitation After Oral Cancer: Patient Treatment Considerations
DentaltownUK July 2017 - 15
DentaltownUK July 2017 - 16
DentaltownUK July 2017 - 17
DentaltownUK July 2017 - Sugar-Free Eating
DentaltownUK July 2017 - 19
DentaltownUK July 2017 - 20
DentaltownUK July 2017 - The Perfect Smile Studios Joins Dentex, the U.K. Dental Partnership Group
DentaltownUK July 2017 - The Social Media Buffet
DentaltownUK July 2017 - 23
DentaltownUK July 2017 - 24
DentaltownUK July 2017 - 25
DentaltownUK July 2017 - 26
DentaltownUK July 2017 - The Mobile Dentaid Unit Provides Care for Vulnerable People
DentaltownUK July 2017 - Mastering the Spectrum of Care
DentaltownUK July 2017 - 29
DentaltownUK July 2017 - 30
DentaltownUK July 2017 - 31
DentaltownUK July 2017 - 32
DentaltownUK July 2017 - 33
DentaltownUK July 2017 - The BDA Conference 2017 at Manchester Central Convention Centre
DentaltownUK July 2017 - 35
DentaltownUK July 2017 - Time Out
DentaltownUK July 2017 - 37
DentaltownUK July 2017 - 38
DentaltownUK July 2017 - Guy Laffan Interviews Imran Nathoo, MasterChef 2017 Finalist
DentaltownUK July 2017 - 40
DentaltownUK July 2017 - 41
DentaltownUK July 2017 - 42
DentaltownUK July 2017 - Case Study: No Shrink? No Stress? No Problem.
DentaltownUK July 2017 - 44
DentaltownUK July 2017 - 45
DentaltownUK July 2017 - 46
DentaltownUK July 2017 - 47
DentaltownUK July 2017 - Through the Keyhole—Surgery: Away with Natalia Letunova
DentaltownUK July 2017 - 49
DentaltownUK July 2017 - Pulp Vitality in Pediatric Patients
DentaltownUK July 2017 - 51
DentaltownUK July 2017 - 52
DentaltownUK July 2017 - 53
DentaltownUK July 2017 - 54
DentaltownUK July 2017 - 55
DentaltownUK July 2017 - Protecting Smiles of Future Champions
DentaltownUK July 2017 - 57
DentaltownUK July 2017 - Finding the Right Work/Life Balance
DentaltownUK July 2017 - 59
DentaltownUK July 2017 - 60
DentaltownUK July 2017 - 61
DentaltownUK July 2017 - 62
DentaltownUK July 2017 - 63
DentaltownUK July 2017 - Perfect Anteriors with the BACD
DentaltownUK July 2017 - 65
DentaltownUK July 2017 - Lifestyle
DentaltownUK July 2017 - 67
DentaltownUK July 2017 - 68
DentaltownUK July 2017 - 69
DentaltownUK July 2017 - 70
DentaltownUK July 2017 - 71
DentaltownUK July 2017 - 72
DentaltownUK July 2017 - 73
DentaltownUK July 2017 - Poll: Materials
DentaltownUK July 2017 - 75
DentaltownUK July 2017 - 76
DentaltownUK July 2017 - 77
DentaltownUK July 2017 - CE Update
DentaltownUK July 2017 - 79
DentaltownUK July 2017 - Students
DentaltownUK July 2017 - 81
DentaltownUK July 2017 - 82
DentaltownUK July 2017 - 83
DentaltownUK July 2017 - 84
DentaltownUK July 2017 - 85
DentaltownUK July 2017 - 86
DentaltownUK July 2017 - 87
DentaltownUK July 2017 - Classified Listings
DentaltownUK July 2017 - 89
DentaltownUK July 2017 - 90
DentaltownUK July 2017 - 91
DentaltownUK July 2017 - 92
DentaltownUK July 2017 - 93
DentaltownUK July 2017 - 94
DentaltownUK July 2017 - 95
DentaltownUK July 2017 - Wish List with Dr. Zaki Kanaan
DentaltownUK July 2017 - Cover3
DentaltownUK July 2017 - Cover4
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