Contouring posterior bridges

113 Pages·2011·43.134 MB·English

by  John C. Ness, James Mahan, Mark Larson

Tech BO Ok
Conto1ring Pesterior Bridges
-A
I \ """
id
(j
PTC TechMaster Series
Contouring
Posterior Bridges
John C. Ness CDT
~
F
--
;
L
Dedicated to:
The entire staff of PTC
Your efforts and loyalty have allowed us to continue developing
and expanding PTC's mission.
John would be very proud ofy ou all.
President, CEO
Editors
James Mahan CDT
Mark Larson
Illustration
Christopher Cross BA, MA
Photography
Christopher Cross BA, MA
Design
Phillip Marashian
Technical Review
Tina Hoy
This publication was adapted from methods developed by
John C Ness CDT -
Copyright © 2011-2013 PRODUCTIVITY TRAINING CORPORATIO
Aesyllels ctwetrmoorn,l idwcwi toihdro emu rtei cgphhraitosn rir cewaslre,ir tvitneecndl .u pdeironm gpi asprshtio ootnfo tochofi pPsy rpoiundbgul,ic rcteaicvtioiotrynd Timnrgaa,iy ns bicneag nr neCpionrrgop doourrc abetyido anon.ry t rinanfosrmmitatteiodn i ns taonryag feo ramnd o rre btryi eavnayl means,
Printed in the USA. Revision 1 -2013.03.19
-
Published by
Productivity Training Corporation -
360-A Cochrane Circle
Morgan Hill, CA 95037
Phone: [phone] • 800-448-8855 • Fax: [phone]
E-mail: [email protected] • Web: www.ptcdental.com •""'
•
..
I
•
I
I
I
Contents
09 I Jntroductor,v Re.f c'rc11cc I Full Arch Tooth Reference
I I
15 Pnrt One Rough Contouring
37 I Pnrt Two I Contouring Primary Anatomy
81 I Pnrt "fliree I Contouring Secondary Anatomy
103 I Pnrt Four I Final Contour and QC
I
111 Glossn ry
Spedal Notice
to Instructors and Students
This Tech Guide is designed to assist you in completing this course in a systematic manner. Please
follow each step in succession. Do not skip ahead or complete several sections and check off
everything at once.
It is best to study this course with a partner. There are areas in the course where you will be asked
to demonstrate to another person. Without verification that you have correctly duplicated the
information you can not be sure you understand.
The following ICONS are used in this TechGuide to indicate:
Read a specific section of this
Watch the specified PTC System
TechGuide.
DVD.
Practical exercise that you
will practice by yourself, then
demonstrate to your instructor.
Refer to the Ness Teeth™.
0 Cycle 1 Check the boxes as you complete
each task in a cycle.
J>rotluctil'itr l rt1i11i11g ( orpori1tio11
6
Explanation Getting Ready
The following abbreviation will be used in this Before you start the CPB Course, be sure you
Tech Guide to refer to this course and its parts: have the following training and study materi
als:
• CPB: Contouring Posterior Bridges~
1. The PTC CPB DVD, containing:
Course Prerequisites
• CPB Part One: Primary Contouring
• Simplifying Posterior Dental Anatomy
• CPB Part Two: Occlusal Anatomy
TechGuide Learning Cycles
• CPB Part Three: Final Contour/Stain
Repetition creates CERTAINTY. This Tech and Glaze
Guide has been designed to be completed
in three cycles. You will be using the videos, 2. Ness TeethT"'
TechGuide and exercises from the begin • A set of large training models of single
ning to the end of each cycle. As you go, you posterior teeth.
will check off and initial the steps, and your
instructor will occasionally test you and sign 3. CPB Student Kit
off, too. You will be checked out repeatedly
• This TechGuide
until you can demonstrate comprehension of
the skills. • Stones, diamonds, burs and articulating
paper
After completing Cycle 1, start over from Part
One and complete Cycle 2 in the same manner. 4. TV & DVD player or computer set up and
Cycle 3 is recommended but optional, at the operational
discretion of your instructor. Don't skip cycle
S. Pencils, pens, note pad
3 if you do not know the material with 100%
certainty.
6. Rubber molds
Instructor: When a student demonstrates with • PU-1 upper operative model for 4-unit
certainty that they know the material, there is posterior bridge with AL-2 lower oppos
no need to complete the next cycle.
ing model.
• PL-4 lower operative model for 4-unit
posterior bridge with OU-7 upper
opposing model.
Note: Mount all models opposing unprepared
teeth.
( 011to11ri11g Posterior Bridp,cs 7
Definitions 3. Cycle 3 is used for refinement of any
misunderstood words, concepts or pro
The ability to understand a subject matter and
cedures. You should understand and
to be able to communicate it with others is
be able to clearly communicate the sub
primarily dependent on understanding word
ject to others, and you should be able to
definitions. The problem with communica
apply the fundamentals you learned in
tion is that we assume we understand most •
cycles 1 and 2 to practical cases.
words that we hear. But, in fact, many times
we unknowingly apply an altered definition,
Certainty Drills
partial definition, or wrong definition. The
term "ridge" is a good example. Posterior Rotational Axis
l'lrtha lower nm mola1N ess Tooth, study and 1hen demonst1at<the
three central axes used 10 manipulate ree1h during contoming.
ridge 1. Central vertical rota11onal axi!>.
?. Cen11;il honzon:al :me\io·01stal) rotanon;ril a)(iS
3. Cent1<1I l>vcco-l'nqudl rotation.di <!xi~.
A long, narrow elevation.
Study the definition above and then ask sev
eral co-workers for their definition and com
pare the answers. Some might think that a At key points in this Tech Guide, you will find
ridge is defined only by its crest, while others drills like the one above to help you study the •
understand that it is the entire elevation. material you're learning. First read the drill
and look up any words you don't understand.
•
Refer to the glossary in the back of this Tech Then study the drill until you can repeat it
Guide or the Ness Visual Dictionary for any with certainty to another person.
words you don't understand. •
Some drills will have you practice a procedure
Learning Cycle Expectations with instruments on real models. Hold the
•
instrument just as if you are working on a real
1. Cycle 1 is an orientation to the course. case, but be sure not to damage the models.
In cycle 1 you will be expected to learn •
the terminology, complete the required Full Arch Tooth Reference
exercises, and perform the procedures.
The reference section on the following pages is •
You are not expected to master the mate
for you to use while you study. The first refer
rial in cycle 1.
ence shows the form of the primary anatomy •
2. In cycle 2, the expectations are higher. that we will study in Part One. The second
You will be expected to understand the reference shows the secondary anatomy that
•
terminology and be able to use it to you will learn in Part Two.
communicate with others. You will be
expected to be able to accurately repro Keep this handy and refer to it often as you •
duce the PTC anatomy standard (the learn the anatomy of the teeth.
Ness Teeth) at the rate of 3 units per
•
hour.
•
..
8 /lrod11ctidt1• ] mi11i11g, < 01purnti1111 -I
Introductory Reference
Full Arch
Tooth Reference
~ full Arch Tooth Rt'fcrt'ncc fiili"i'dllt lr•1 \ /\t /t'r, 11u
-
Maxillary Primary Anatomy
-
..
--
-
--
--
-•-
-•-
•
--
-D-
-a-
-
•
..
-•
...
l'roductii·itr Jn1i11i11g < orpumtio11 .I. .
10