CHAPTER 6.

IMPORTANCE OF DENTAL ATTENTION

_Periodical Examinations._ Mouth hygiene is a regular daily routine, as

much so as washing the face and hands, and faithful attention to this

requirement is not only an index of personal cleanliness, but a means

of prolonging the health and usefulness of the teeth, and contributing

to the physical well-being generally.

This daily practice, however, should be supplemented by regular,

periodical dental examinations, at least every six months with the

average person. If the teeth are below par, and contain many fillings,

or much other dental work, it may be advisable to have the teeth

inspected oftener.

The advantages of keeping the teeth intact, or preventing further

damage when inroads have already been made upon the dental economy, and

the dangers involved in infected teeth and gums, have been so fully

covered already that it is unnecessary to elaborate upon the subject

here.

It is decidedly to every individual’s advantage to adhere religiously

to the policy of regular, periodical examinations. Do not for a moment

deceive yourself into thinking that you are saving money by neglecting

this requirement.

If the examination shows that no fillings or other operative treatment

are needed, then you have the keen satisfaction of knowing that your

teeth are in good condition. If some slight specks or small cavities

are detected, they can be filled without much trouble, pain or expense,

and you have forestalled a bigger and more painful job, and perhaps

saved the tooth many more years of service by timely attention.

In any event, the expense is always minimized by having the teeth

examined regularly, and receiving prompt treatment when they show the

first signs of decay, or when a piece of tooth breaks off, or any other

dental problem presents itself.

To reiterate, save your health, your teeth, and your money by

_periodical dental examinations_.

DENTAL CARE FOR EXPECTANT MOTHERS

The expectant mother, in particular, should be careful of her teeth

from the very beginning of pregnancy. We have already emphasized the

importance of diet, and made various recommendations in this respect.

However, tooth decay and acute abscesses are especially liable to occur

at this time, if there is the least deficiency in the normal tooth

structure or inadequacy in the diet.

Because of the demands upon the expectant mother’s physical resources

and vitality--a latent infection or other predisposition to dental

trouble only too often results in quick decay, tooth-aches, abscesses

and a general undermining of the health of the teeth.

Infected teeth should be extracted, cavities filled, and the mouth and

gums kept in a healthy state.

X-RAY EXAMINATIONS

While we have spoken of the normal, clinical examinations of the teeth,

it is always important to mention the possible desirability of X-ray

examinations. Teeth should be X-rayed by a dentist, or sent to an X-ray

laboratory only upon his advice. It is a mistake to go to commercial

X-ray laboratories for diagnoses.

No matter how placid the gums and teeth may look, or how free from

pain, there is no way of discovering the condition beneath the

surface except by an X-ray picture. If the teeth contain any large

fillings, pulpless teeth, crowns, bridgework, etc., even if there is

no inflammation or unpleasant sensation, one should have the teeth

X-rayed. This is especially true if there are any general physical

disabilities which may come from a focal infection.

The X-ray picture will show a great amount of detail of the subsurface

structure, and the condition of the various parts. It will show whether

there is any infection at the root end of the tooth, and whether or

not there are pus pockets at the side. It will also disclose whether

a tooth has a root-canal filling, and whether or not this filling is

perfect. Leaky fillings, overhanging gold crowns and other defects can

likewise be detected.

The X-ray exposes faulty dental work, as well as pathological

conditions of the mouth and jaw.

It is particularly important to have a thorough X-ray examination if

one has any “dead” or pulpless teeth (from which the nerve has been

removed). In the light of modern, antiseptic dentistry, these members

are suspicious characters, and should be closely watched, even if

apparently giving no trouble. The disadvantages of pulpless teeth

as a hidden menace to health may far outweigh their advantages for

mastication.

Another advantage of the X-ray is that, if dental trouble cannot

definitely be located, so that the source of the disturbance may be in

either one of two or more teeth, it can be traced by this method. This

enables the dentist to make an accurate diagnosis. Many mistakes in

treatment can be avoided by the use of the X-ray at a great saving to

the patient of both trouble and expense.

There is no question that many sound, or comparatively good teeth,

have been pulled in the case of vague, indefinite tooth-aches, and

swellings--often at the insistence of the patient himself--only to be

found that the trouble remained undiminished.

Dr. Eugene Lyman Fisk, Director of Hygiene of the Life Extension

Institute, New York, has given a striking example of the benefits to be

derived from an X-ray examination, with proper treatment as shown to be

required by the diagnosis, in the following paragraph:

“Perhaps the most essential feature of the periodic examination is

the X-ray, without which the discovery of some sources of physical

impairment would be impossible. An instance of its value is the story

of a man who was suffering from rheumatism and cystitis. He had severe

pain and had lost weight very much before coming to the Laboratory.

During the examination it was discovered that, although most of his

teeth were gone, he had still about half a dozen, all of which were

loose, and he wore a plate. An X-ray of his teeth showed that all of

them were abscessed, which caused a continuous drainage of poison into

the system. He was advised to have his teeth out. A few days afterwards

he returned to the institute. His rheumatism and bladder trouble had

practically disappeared and he no longer suffered pain. After six

months, it had not returned. Infected teeth often cause rheumatism, as

almost everyone knows, but the interesting feature of this case was

that the bladder trouble apparently also came from the same source.”

BRIDGEWORK AND CROWNS

There are two types of bridges--the _fixed_ and the _removable_. The

former is cemented to the teeth on either side of the space for which

the missing teeth are supplied. It is undoubtedly the most efficacious

form of dental structure, from the mechanical standpoint, as it

simulates the more natural teeth more closely than any other form of

artificial denture.

Often a single artificial tooth is bridged to an adjoining natural

tooth. If a fixed bridge can be contrived, without imperiling the

tooth or teeth to which the bridgework is anchored, it is an extremely

serviceable arrangement. It may help to carry along a set of inferior

teeth for some years, under strict dental supervision, until it finally

becomes necessary, because of the deterioration of the teeth, to

eliminate the bridgework in favor of a plate.

Objection is often made to fixed bridges on account of the unhygienic

conditions which frequently exist under them. This, of course, may be

due to careless or indifferent cleansing on the part of the patient.

Under modern antiseptic dentistry, fixed bridges are not looked upon

with such universal favor as they were at a former period, although,

as we have stated, there are cases when they may be recommended. When

supplied, they must always be made so that no injury is done to the

tissues, and with the least possible tooth destruction; nor must they

interfere with the hygienic conditions of the mouth. Bridges with worn

out crowns are a menace and endanger the vitality of the pulp. When the

crowns become worn through they should be removed immediately, and a

new bridge supplied.

Removable bridges are considerably more sanitary, inasmuch as they can

be taken out and cleaned, and the anchoring teeth thoroughly brushed.

There is always the possibility, however, of the attachments--no matter

how carefully made--causing friction on the anchoring teeth, and this

may result in erosion. Some owners of the removable bridges make it a

habit of leaving the denture out of the mouth for considerable periods

at a time, and as the natural teeth change their relation slightly if

the bridge is not worn constantly, it is not long before the appliance

does not fit well. It is also advisable to wear the bridge at night,

after cleaning, to preserve the proper relationship of the teeth.

Gold crowns are not nearly so popular as they once were, and there is

no assurance, even when most skilfully made and perfectly fitted, that

the gums will not be irritated and pus pockets form. Many defective

teeth that were formerly crowned are now reinforced by other more

hygienic technique, if it is considered advisable to still retain

the tooth. As it is usually pulpless teeth that are crowned, it may

seriously be questioned whether it is ever policy to resort to this

unhygienic and generally unsatisfactory denture.

PROPHYLACTIC DENTISTRY.

Preventive dentistry is now one of the greatest of modern agencies for

improved individual and social health. Its influence is far-reaching

and will continue to be greater as the advantages of sound teeth become

more widely recognized.

The clinical and mechanical resources of dentistry are now developed

to a remarkable degree of efficiency. This science reaches its highest

state of perfection in the prophylactic realm. With even an elementary

knowledge on the part of the great masses of people of the profound

importance of oral hygiene, and constructive dietetics, there will be

prevented an immeasurable amount of disease, ill health, pain and the

inconveniences that are the inevitable accompaniments of unsound and

imperfect teeth.

It is to hasten this thoroughly practical end, and help achieve this

enviable goal, that the authors have written the present little book.

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TRANSCRIBER’S NOTES

Typographical errors corrected. However, grammatical errors have been

left untouched.

Inconsistencies in hyphenation standardized.

Missing section headers on page 24 and 63 (all caps) added.

Teeth and mouth hygiene · 第 6 / 6 章