DentaltownUK May 2017 - 7

mike gow

editorial

porcelain. The illustrations in the book are
outstanding. It is full of surprises, such as
his description of using rubber dam. I have
to admit that I am surprised that they used
it 100 years ago and would have guessed
that its introduction would have been a
mid-20th-century occurrence,
With the advancement of digital dental
technology, I often wonder what Dall
would make of the dental world of today.
He pioneered a variety of techniques in his
work with porcelain. His techniques can be
best described as HAD/HAM (H="hand")
as opposed to CAD/CAM, yet some of
his workflow processes are surprisingly
contemporary and familiar.
One direct technique involved measuring the finished cavity's length and breadth
with calipers and then cutting a slab of
porcelain to the desired dimensions.
He describes the indirect version of
this technique, stating that following an
impression, a cast can be made of the tooth
and prepared cavity. Then an assistant
could, using the required shade, 'fit the
slab of porcelain to the mould by cutting
and trimming it with a diamond disc'.
Both these workflows are still used today
in porcelain inlay production, but the
processes usually involve computers rather
than hands to make them! Dall would
certainly recognise and appreciate the
modern processes.
He describes another technique whereby
he designed and patented a series of dental
burs which would be used to finish a cavity
preparation. Each bur was numbered, and
would have a corresponding, prefabricated
inlay made to that shape (in a variety of
shades).
He would, when required, plug a cavity

base with cohesive gold foil or amalgam
prior to inlay insertion to get optimal fit.
Dall designed and patented many
things including porcelain stains, furnace
designs, dental burs, etc. He was remarkably successful in obtaining commercial
support- eg he worked with Claudius Ash
& Sons Ltd (with porcelain inlay kits and
dental instruments bearing Dall's name).
Dall travelled to South Africa and Brazil
to source the most suitable diamond for use
in his dental burs.
He was also a collector of dental
artefacts during his travels. If you have ever
visited the BDA museum, you will likely
have encountered some of his collection.
His technique was to engage with remote
communities, and request to observe their
'dentist' at work. He would record the
techniques employed and often purchase
the dentist's tools. I love the language he
uses in his descriptions of these encounters.
'While at Mount Abu, in British India,
I espied in one of my perambulations a
native with circular gold inlays in his upper
central incisors, which were beautifully
inlaid. When I asked him who had done
them he said: "Sahib, myself", at which
I was a little puzzled. Further inquiries
elicited the fact that he and his father were
jewellers'.2 Dall goes on to describe paying
the jeweller to perform the procedure on a
patient for him to observe-promising to
pay him several rupees! He also describes a
visit to Java, where he discovered that locals
disliked the natural appearance of the
'upper 6 front teeth' as they look too much
like those of an animal! Their solution was
to shorten them by filing. 'Knowing that
the idea was prevalent amongst them, I
succeeded in coming in touch with a native

dentaltownuk.com \\ MAY 2017

7


http://www.dentaltownuk.com

Table of Contents for the Digital Edition of DentaltownUK May 2017

On Dentaltown.com
Mike Gow Editorial
Meet the Team
Howard Speaks
Dental Aid Network
Titanium vs. Zirconia Implants
NASDAL Goodwill
Golden Nuggets
Orthodontist Case Study
Poll—Pediatric Dentistry
Technology: The True Foundation of Your Practice
Continuing Education
Timeout: Chris Barrow
Progressive Bites
Walt Disney's Hollywood Smiles
Dental Imaging: Elaine Halley
MANAGING SYSTEMIC DISORDER: STEPHEN HUDSON
The Art of Diagnosis in Endodontics
MESSAGE BOARD: 2nd Distal Root on 36
Social Media Fails
Operation Smile
THROUGH THE KEYHOLE: SURGERY— HOME AND AWAY
Lifestyle Section
History of Dentistry
Student Section
Wish List
DentaltownUK May 2017 - 1
DentaltownUK May 2017 - 2
DentaltownUK May 2017 - 3
DentaltownUK May 2017 - 4
DentaltownUK May 2017 - On Dentaltown.com
DentaltownUK May 2017 - Mike Gow Editorial
DentaltownUK May 2017 - 7
DentaltownUK May 2017 - 8
DentaltownUK May 2017 - 9
DentaltownUK May 2017 - Meet the Team
DentaltownUK May 2017 - 11
DentaltownUK May 2017 - Howard Speaks
DentaltownUK May 2017 - 13
DentaltownUK May 2017 - Dental Aid Network
DentaltownUK May 2017 - 15
DentaltownUK May 2017 - 16
DentaltownUK May 2017 - 17
DentaltownUK May 2017 - 18
DentaltownUK May 2017 - 19
DentaltownUK May 2017 - 20
DentaltownUK May 2017 - 21
DentaltownUK May 2017 - Titanium vs. Zirconia Implants
DentaltownUK May 2017 - 23
DentaltownUK May 2017 - 24
DentaltownUK May 2017 - NASDAL Goodwill
DentaltownUK May 2017 - 26
DentaltownUK May 2017 - Golden Nuggets
DentaltownUK May 2017 - 28
DentaltownUK May 2017 - 29
DentaltownUK May 2017 - 30
DentaltownUK May 2017 - Orthodontist Case Study
DentaltownUK May 2017 - 32
DentaltownUK May 2017 - 33
DentaltownUK May 2017 - Poll—Pediatric Dentistry
DentaltownUK May 2017 - 35
DentaltownUK May 2017 - Technology: The True Foundation of Your Practice
DentaltownUK May 2017 - 37
DentaltownUK May 2017 - 38
DentaltownUK May 2017 - 39
DentaltownUK May 2017 - 40
DentaltownUK May 2017 - 41
DentaltownUK May 2017 - Continuing Education
DentaltownUK May 2017 - 43
DentaltownUK May 2017 - 44
DentaltownUK May 2017 - 45
DentaltownUK May 2017 - Timeout: Chris Barrow
DentaltownUK May 2017 - 47
DentaltownUK May 2017 - Progressive Bites
DentaltownUK May 2017 - 49
DentaltownUK May 2017 - 50
DentaltownUK May 2017 - 51
DentaltownUK May 2017 - 52
DentaltownUK May 2017 - 53
DentaltownUK May 2017 - Walt Disney's Hollywood Smiles
DentaltownUK May 2017 - 55
DentaltownUK May 2017 - 56
DentaltownUK May 2017 - 57
DentaltownUK May 2017 - 58
DentaltownUK May 2017 - 59
DentaltownUK May 2017 - 60
DentaltownUK May 2017 - 61
DentaltownUK May 2017 - Dental Imaging: Elaine Halley
DentaltownUK May 2017 - 63
DentaltownUK May 2017 - 64
DentaltownUK May 2017 - 65
DentaltownUK May 2017 - 66
DentaltownUK May 2017 - 67
DentaltownUK May 2017 - MANAGING SYSTEMIC DISORDER: STEPHEN HUDSON
DentaltownUK May 2017 - 69
DentaltownUK May 2017 - The Art of Diagnosis in Endodontics
DentaltownUK May 2017 - 71
DentaltownUK May 2017 - 72
DentaltownUK May 2017 - 73
DentaltownUK May 2017 - MESSAGE BOARD: 2nd Distal Root on 36
DentaltownUK May 2017 - 75
DentaltownUK May 2017 - Social Media Fails
DentaltownUK May 2017 - 77
DentaltownUK May 2017 - Operation Smile
DentaltownUK May 2017 - 79
DentaltownUK May 2017 - 80
DentaltownUK May 2017 - 81
DentaltownUK May 2017 - THROUGH THE KEYHOLE: SURGERY— HOME AND AWAY
DentaltownUK May 2017 - 83
DentaltownUK May 2017 - Lifestyle Section
DentaltownUK May 2017 - 85
DentaltownUK May 2017 - 86
DentaltownUK May 2017 - 87
DentaltownUK May 2017 - 88
DentaltownUK May 2017 - 89
DentaltownUK May 2017 - 90
DentaltownUK May 2017 - 91
DentaltownUK May 2017 - 92
DentaltownUK May 2017 - 93
DentaltownUK May 2017 - 94
DentaltownUK May 2017 - History of Dentistry
DentaltownUK May 2017 - Student Section
DentaltownUK May 2017 - 97
DentaltownUK May 2017 - 98
DentaltownUK May 2017 - 99
DentaltownUK May 2017 - 100
DentaltownUK May 2017 - 101
DentaltownUK May 2017 - 102
DentaltownUK May 2017 - 103
DentaltownUK May 2017 - Wish List
DentaltownUK May 2017 - 105
DentaltownUK May 2017 - 106
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