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July 19, 1957 - Image 3

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Publication:
Michigan Daily, 1957-07-19

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t, JMY 19, 1957

THE MICMGAN DAILY

PAGE

L 0 V..V--

'. ru~v 19. 1957 THE MICHIGAN DAILY PAGE

CONCERN FOR PATIENTS:
Dental School Explores Ways of Reducing 'Torture'

*1

11

More comfort for the patient
and superior materials for fillings
and dentures are the objectives of
research in the Dental Materials
Testing Laboratories of the Uni-
versity School of Dentistry, said
Pror. Floyd A. Peyton, head of the
dental materials department.
Investigators are constantly at
work cutting extracted human
teeth into sections, exposing them
to tests and then attempting to
develop new materials of superior
quality for replacing tissue lost
due to decay or accidents.
Engineering and mechanical
principles are applied in this type
of research because, as Prof. Pey-
ton puts it, "'We are dealing with
the body's food crushing machin-
ery, the teeth."
In addition to comfort, it is the
goal of these researchers to find
materials that can be inserted,
more quickly and conveniently in-
to the patient's mouth.
Special Projects
Dental Materials Testing Labor-
atory is currently conducting eight
special research projects, six of
which are being sponsored by the
Army, Navy, Air Force, and Public
Health Service.
Coun't Basle
Concert Set

Prof. Peyton compares the ac-
tion of teeth when chewing to that
of a giant press. Because of the
similarity, artificial tissue replace-
ment naterials are tested in a
small compression and tension
machine.
He estimates that the bite of a
husky person "may exert up to 200
pounds, of pressure." A less rugged
person may have a normal bite
presure of 50 pounds and the
average Is "probably between 50
and 75 pounds."
I.ocation of the tooth in the
mouth is important in determin-
ing tooth pressure. Prof. Peyton
adds that the pressure capacity
dependĀ§ on the dimensions and
area of the tooth.
Withstands Pressure
A normal human tooth may be
able to withstand pressure of from
40,000 to 60,000 pounds per square
inch without breaking.
Dental materials researchers are
working with materials:( used in
restorative dentistry such as gold
alloys, silver alloys, plastics, porce-
lains, cements, and impression ma-
terials.
They also work with denture
materials such as acrylic, porce-
lain, and chrome alloys; and with
orthodontic materials such as sil-
ver and gold.
Researchers are interested in
changes in dimension of these
materials when introduced into
the patient's mouth. They are
concerned with the snugness of
the fitting and the dimension re-
lationships between restorative
materials and live teeth.
Hot coffee or cold water can be
painful when a filling or other re-
storative material is not compat-
ible with the reactions of natural
tooth tissue.
They are also interested in the
hardness and strength of these
materials. Will they last and will
they react in the same way as'
normal tissue?
Use Water Spray
One of the valuable results of
recent research in Prof. Peyton's
department was the determination
that using a water spray to cool
the dental drill will reduce the
patient's pain.
For experimental purposes and
instead of subjecting patients to
"torture," they took an extracted
tooth, mounted it, made a cut

with the standard drill, and meas-
ured the heat generated.
Researchers found that the
water spray reduced the frictional
heat to a comfortable level for
the patient.
'Filling' Teeth
Sections of human teeth are be-
ing "filled," then exposed to heat
and cold, in order to learn the best
and most compatible "substances
for use in restoring teeth.
Hook shaped wires and clasps
which anchor partial dentures
come in for their share of engi-
neering tests, too.
On a machine which flexes short
lengths of the wire used for clasps
in partial dentures, they are ex-
posed to millions of "bends" or
flexures within a few hours.
Flexures duplicate the flexing

of clasps in the mouth with each
bite.
One of Prof. Peyton's students
found that an average person
makes about 5,000,000 "chews"
per year.
Gold-Old 'Standby'
Prof. Peyton stated that of all:
the filling materials available to-
day, the old stand-by, gold alloy,
has not lost any of its importance
over the years.
"Some persons prefer other sub-
stances for aesthetic reasons," he
says, "but it is a mighty fine
restorative material from practi-
cally all aspects."
He says that much work is being,
done on improving plastics for
restorative purposes, as some of
the early plastics were unsuitable
colorwise.

I

PROF. DAVIS:
Underprivileged -Pupils
Lack A ttention in Class

Prof. Allison Davis of the Uni-
versity of Chicago stressed the
importance of training socially
underprivileged children in a lec-
ture yesterday.
His talk, "Reaching the Masses
of Pupils," highlighted the last
general session of the 28th annual
Summer Education Conference
under the auspices of the School
of Education. The conference be-
gan Tuesday.
Prof. Davis stated that lower
Administration
Institute Meets
Two sessions of the Third An-
nual Institute on College Admin-
istration were held yesterday in
the Michigan Union.
General theme was "Student
Personnel Administration." A spe-
cial luncheon featured an address
by Prof. Algo D. Henderson, of
the School of Education.
Two more sessions at 9 a.m. and
2 p.m. today at the Michigan
Union will cover the theme "De-
fining and Implementing Pur-
poses."

class children and their teachers
are separated by a forest of im-
penetrable cultural barriers which
make real communication between
the two extremely difficult.
To break down this barrier, he
said, it is necessary that the
teacher understand the child's
language, discover the pupil's at-
titude toward the teacher, and
overcome his own biases.
Turning to' the problems of the
middle class child, Prof. Davis
said, "Middle class culture places
great emphasis on the distant re-
wards of a career or profession."
This puts children under pressure
to obtain the arbitrary goals set
up for them or face the disgrace
of failure..
He pointed out a behavior differ-
ence between the classes. The low-
er class child can fight when he is
angry and does not have to
"accept the false peace" which
the parents of middle class child-
ren impose.
In conclusion, Prof. Davis vigor-
ously criticized today's curriculum
as barrier to understanding on the
basis that they force children
"simply to miemorize.",

MUSICAL MDSE., CAR SERVICE, ACCESSORIES
RADIOS, REPAIRS
H F EUROPEAN CARS
We service all foreign cars.
Speakers 33Ahe O550
Bozak, AR-1, Electro-Voice, Lansing ANO 5-5800
)S6
Fisher, Sherwood, Scott, McIntosh, Rel T IR E SA LE
K its Prices slashed
Dynakit, Eico, Arkay, Audax Big trade-in for used tires
Fully Guaranteed
Recorders GOLDEN'S SERVICE
Viking, Berlant, Bell featuring STANDARD Products
601 Packard - NO 8-9429
Turntables )8
Rek-O-Kut, Connoisseur, Garrard. Presto , C-TED STANDARD SERVICE
Friendly service is our business. At.
Visit our Hi Fi Showrooms for a las tires, batteries and accessories.
stereo demonstration Warranteed & guaranteed. See us for
the best price on new & used tires.
Audio Supply Laboratories Road service - mechanic on duty.
"You expect more from Standard
334 Nickels Arcade and you get it"'
(Above Bay's Jewelry) 1220 S. University at Forest
NO 2-7767 NO 2-9425 NO 8-9168 _S__
)X4 EXPERT FOREIGN and Sports Car
Service Nye Motor Sales, Inc., 514 E.
BA L DW I N PI ANOS Washington. NO 3-4858. )S3
Acro'sonic Spinets
Used spinets and uprights Read the Classifieds
Maddy Music PHOTO SUPPLIES
508 E. William
NO 3-3223
)X5 USED CAMERAS
Argus C-3 Camera, Case, and Flash,
$34.50. Argus C-4 Camera, Case, and
Flash, $54.50.
HI STI THE QUARRY, INC.
An amazing inventory of HI F j320 S. State NO 3-1991
components available to you at )D10
cdtalogue price.
KITS BUSINESS SERVICES
WASHINGS - Also' ironing separately.
We stock amplifier, AM-FM tuner, Specialize in cotton blouses and
and speaker enclosure kits in sev- washed skirts. Free pick up and de-
eral brands. livery. Phone NO 2-9020. )J1
HI F ISERVICE FOR RENT
AVAILABLE NOW-two rooms and bath,
Our engineers and technicians are partly furnished, campus location.
fully competant and equipped to Phone NO 2-7395. )C22
service all equipment we sell. and
to advise you on the selection of ON-CAMPUS room for two boys in
components. exchange for yard work and painting.
Graduate students preferred. NO 8-
1217 & 1317 So. University 7391. )C21
NO 2-9595 WILL RENT my home to 4, 5, or 6
)X2 responsible students furnished. Hur-
ron River Drive 'near Ypsilanti City
Limits. Call HU 2-6295. )C23
Read and Use COOL CAMPUS apartments, some
rooms. 514 S. Forest. Call NO 2-1443.
Daily Classifieds )C9__________

:
i.:
t
3
I
3
3
}

s
v

FOR SALE
SHORT SLEEVE sport shirts. $1.75, 2
for $3.00. Washable. Assorted colors.
SAM'S STORE
Phone NO 3-8611
122 East Washington
)B2
WILL SELL almost new C-44 Camera
(3 rols taken) for a reasonable sum.
Call NO 2-2231 after 7 p.m. )B7
MINIATURE ESTATE
Small house set amid towering oaks
on acre of river front property at the
end of a country lane.
Only 15 minutes west of Ann Arbor.
LR, 2BR. K, Bath, Garage. Owner,
NO 5-1575. )B10
EXPOSURE METER, Westbn Master II.
Never used. $25. Call NO 2-3762.
)B9
PETS AND SUPPLIES
TROPICAL FISH aquariums and sup-
plies, Hamsters, Parakeets, etc.
UNIVERSITY AQUARIUM
328 East Liberty N03 -0224
(Open daily except Thursday)
ALTERATIONS -
DRESSMAKER
Alterations, Restyling
334 S. State St. NO 3-6612
)P1
Read
Daily
Class if jeds
G * R

ROOM AND BOARD
SUMMER ACCOMMODATIONS avail-
able at law fraternity in exchange
for 25 hours work per month. Call
Don Dodge at NO 2-5614. )E6
TWO MEALS, $2 per day, five days a
week -- Mon. - Fri. Call Bill Powell,
at Phi Kappa Tau, corner HiI and
Tappan. NO 3-8581. )E2
USED CARS
1956 OLDSMOBILE
Holiday Hardtop, 9 months old, 1$,004
miles. In excellent condition. Call NO.
5-1723 between 5:30 and 8 p.m.
HELP WANTED
WOMAN WANTED for typing and fil-
ing, 25 to 40 hours per week. Sched-
ule can be altered, but same number
of hours each week. Job starts now
and continues throughout the school
year-longer if desired. Follett's
Michigan Book Store. )HIS
ANN ARBOR
EMPLOYERS PERSONNEL
504 First National Bldg.,
NO 5-6107
)H8
WANTED MEN AND WOMEN. Work so.
cording to own schedule. Good in.
come potential, besides work you 'll
be sure to enjoy if you liker ueetin
people. Interview held Mon.-i. ,from
4-6 at 1309 5. University, room 3.
ADVERTISING SOLICITOR for local
publication. Good commission. A very
profitable part time job for man or
girl student. Write P. O. Box 474, Ann
Arbor, Mich. )Hls
. . . FIRST . .
In Modern Comfort
- . .FIRST ...
In Air-Conditioning
..FIRST..
In New Hair Styling
715 North University

Today and
SATURDAY

4um

DIAL
NO 8-6416

From the author and producers of
"The Cruel Sea," another great tale
of suspense and high adventure!
-- --m- -- --

COUNT BASTE
0.,'. swings' soon

ADVENTURE ON THE

-1

"One O'clock Jump." "April in
Paris."
Yes, Basie's coming.
Count Basie and his interna-
tionally famous orchestra featur-'
ing Joe Williams are scheduled for
a July 24 concert at Hill Audi-
torium.
Reserved seats for the 8 p.m.
concert are on sale at the Hill
Auditorium Box Office.
Featured in the Basie band is
one of the world's most noted
rhythm sections: Sonny Payne on
drums, Freddie Green, guitar; Ed-
die Jones, bass; and Basie on the
piano.
Physiology
Tall Today {
"Comparative Cellular Physi-
ology" will be dealt with by Dr.
Wayne Umbreit in a lecture at
3:30 p.m. today in Rm. 1300 of
the Chemistry Building.
Associate director of the Merck
Institute for Therapeutic Research
in Rahway, N. J., Dr. Umbreit is
here on A visit sponsored by the
bacteriology department.

-CAMPUS--
211 S. Stoate
NO 8-9013
-DOWNTOWN--
205 E. Liberty
UrPNO 2-0675
for the Finest in Recorded Musie
Closed at 1:00 P.M. Saturday During July & August

I

F

9

LADIES' ACTING EXCELLENT"
-DAVID KESSEL, The Michigan Daily
TWOv/ DAYS MORE

FRIDAY and SATURDAY
8:30 P.M.

I

ELIGIBLE TO JOIN ?
DANCING
Friday and Saturday Nights
- - * Members and Guests>
CI~UJMary Lou
314 EAST LIBERTY
Air Conditioned

Little Theatre Production of
"Ladies in Retirementi

Late Show Starts
at Midnight
All in Color
"THE BRAVE ONE"
and RAY MILLAND
in "MAN ALONE"
Late Show Starts at Midnite
All in Color
FRED MacMURRAY in
"GUN FOR A COWARD"
JULIA ADAMS in
"FOUR GIRLS IN TOWN"
Rea r

HIGH SEAS!

TW*
tby the author of rh. Civet Seat
RICHARO ATTENBOROUGH
GEORGE BAKER. BILL OWEN
VIRGINIA MCKENNA
SProdued t nd d-r --ld byMIC'AEL N S I and ISt MM
A Michal I ICon AalAt Studios ProihaCljo
J ""' A Coninnal,, ht..,in6g., W RMha
"Brave action on the bounding
sea, whic hthe English know;
love and handlel so well!"
-Archer Winsten, N.Y. Post

5..JI Art~w AAt Dwt*NN
owehls$
NICHOLAS MONSARRAT'S

Directed by

Ted Heusel

i

"SUSPENSEFUL!
ABSORBING!"
-Rose Pelswick, Journal American

LITTLE THEATRE
New Ann Arbor High School f
Call NO 3-6198 for Reservations
Box Office Open 10:00-5:00

I

J

"a

d,

-

_ __

WA

MID-SUMMER CLEARANCE
DRE SS ES $9 d14
Formerly to $29.95
Swim Suits $7 $13
Formerly to $19.95
Cotton Skirts and Slacks Pastel Wool Skirts
Regularly $5.95 Regularly to $14.95
$3.88 $6 and $9

UNIVERSITY0
O SUMMER SESSION
BHASKARo
& SASHA
AUTHENTICO
INDIA DANCERSO
TONIGHT! o
8:00 P.M.

'::.:
:.
:,,,:_
v :"; fi: : ;;.
':..
" ;"..
';; ..
': . ;

P :

Enoy

Yourself
before the
MIovie.,
PLAY

DIAL NO 2-3136
-ENDS TODAY-
2 .

CINEMA(--COPI= COLOR bi

:U

opens
SATURDAY!
"TERRIFIC
is the word ..
you'll find it
great fun!"
.:A Journal American
MOST HIGHLY
RECOMMENDED!"
...N. Y. Post

-j
DIAL NO
KANITH
Big ..Burning
I axchftmentI
Y
.+ J '

lodern e na
2-2513
I~jN

4

I

Corresponding reductions on other spring and summer
apparel and accessories

Malifl

.

-

,I

I4I

1 _ I

I';,

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