DentaltownUK May 2017 - 52

Fig. 8. Calipers are used to verify the wax-ups' vertical
dimension of opening (VDO).

Fig. 9. The VDO of the preop models is also verified using the
calipers.

prepared as necessary, at which point the utility of the progressive
bite matrix and technique becomes obvious.
The bite matrix is inserted into position again to verify all
three reference points, then removed and relined only where the
preparations were completed-and not in the areas of unprepared
teeth-using a fast-set light-body impression material (Fig. 10).
Upon full set, the bite matrix is removed and then replaced to again
verify that the three references points remain correct.
Preparation can proceed with the next quadrant (e.g., Quadrant 2),
from tooth #9 to #14, leaving the most posterior tooth for last. When
those preparations are complete, the progressive bite matrix is inserted
into the mouth to verify position and reline the bite matrix again.
It is important to note, however, that the two relines should
not overlap; rather, 2-3mm of space should be maintained between
the current and previous reline areas. Maintaining space between
each reline and never overlapping them is another significant
component of accurately performing the progressive bite matrix
technique. This necessary space prevents problems that could
otherwise result from opening the bite and, therefore, losing the
management of the bite. This space keeps the VDO and bite in
the same and correct position (Fig. 10). Additionally, if there's
ever a variation in the VDO toward the end of the process, the
progress bite matrix is the first component to evaluate.
After the second reline, the three reference points are verified
again and, if everything is correct, preparation can continue on the
maxillary arch. The bite matrix can then be relined again as previously
described, with care taken to maintain 2-3mm of space between the
relines. If the case is a full-arch rehabilitation, then provisionalization
can begin. If mandibular preparations are required, then the process
can continue, with verification measurements taken after each step.
Temporary restorations can be placed using the mold of the

Fig. 10. The bite matrix is relined using a fast-set light-body
material, taking care to leave essential space between each
layer.

Fig. 11. Provisional restorations were placed during the
preparation appointment.

52

MAY 2017 // dentaltownuk.com

Fig. 12. To verify the VDO of the prepared teeth, the
progressive bite and digital calipers are used.



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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