SU1462197A1 - Method of analyzing abrasion of teeth - Google Patents

Abstract

The invention relates to dentistry. The purpose of the invention is to improve the accuracy of the method. An electrolyte solution is applied to the studied tooth surface and an electric current of 100 m kA is passed at a voltage of 3 V. By changing the current passing through the tooth, the erasure of the tooth is judged.

Description

one

The invention is related to medicine, namely to dentistry, and is intended to determine the stages of abrasion.

The purpose of the invention is to improve the accuracy of the method.

This goal is achieved by the fact that the chewing section of the tooth under study passes an electric current of 100 µA at a voltage of 3 V and, in the absence of electrical conductivity of the tooth tissues, determines the physiological stage of abrasion, at electrical conductivity 1.0 µA and less - the transient stage of abrasion, with conductivity values of 1.2 µA or more, the pathological stage.

The method is carried out as follows: after the patient rinsing the oral cavity with tap water, carefully remove the dental plaque mechanically, wipe the test tooth with cotton rollers, dry the test tooth surface with a stream of air. The passive electrode is placed in anticipation of the oral cavity in the region of the anterior mandible. A drop of electrolyte (for example, a 10% solution of calcium chloride) is placed on the surface of the test tooth and an active electrode connected to a measuring device is immersed in it. A device of type M-2001, entered in the state register of measuring instruments, was used. Through hard tissues of the tooth surface being examined, a constant electric current of 100 µA is applied at a voltage of 3 V provided by the battery and a certain stage of tooth erasure is judged by the drop in the value of the current passing through the tooth indicated on the scale of the measuring device.

Example 1. Patient A. (40 years old) was visually examined.

S

(L

i4

O5 Yu

-si

6543211123456 32111234 6543211123456; Р 321 1123 had physiological abrasion within the enamel; „- t t- - had

abrasion of hard tissue within the enamel and partially dentine;

 b 321 | 123 6 6 32Т 1123 b

65156 165156

had pathological abrasion within the dentin with a depth of 1/3 of the crown length. In all cases, horizontal was noted on the lesion plane. The electrometric data obtained by the proposed method were as follows:

ten

iH

/ - - did not conduct an electrical current;

1462197

Example2. Patient B. (50 l.) Was examined visually.

3211123 at the same time

32l | l23

abrasion of the teeth within the enamel was noted - physiological sta616 Di, on the h | - - within the enamel

dentin with a depth of damage up to 1/3 of the length of the crown - pathological stage. In the case of electrometric investigation, 1I1 did not possess electrical conductivity; fjl - had an electrical conductivity of 0.5 μA; 2 - had an electrodynamic 0.5 μA; 3 - 0.7 µa; 2j 0.3 μA; 3 - 0.65 μA; 2 - 0.9 µA; 3 - 0.85 μA; 2 - 0.95 μA; z1 - 1.0 μa; | 6 - 1.2 μA; b | - 1.5 μA; b - 1.8 μA; b1-2.0 mA.

g - had an electrical conductivity of 0.7 μa;

1 2J-0.5 μA; 21-1.0 μA; J -.

I 0.8 uA.

}. 1.0 μA; 1 4-0.85 μA; 3 | -.:,

 0.9 µA; 4 | - 0.9 - 0.75 μA;

: C-0.95 μA; ft — 0.8 µA; 41 - 0.9 μA; 5-1.5 - 1.8 μA;

51-1.2 μA; | J - 1.3 μA; G | - 1.25 μA; | 16 „enamel irradiation, pathology - 6 - 2.0 μA; 1.5 μA; 6 616Т9 | 9

29

Based on the data obtained, a diagnosis was made: 1 | 1 - erasability of enamel, physiological stage.

32123 cheska stage.-T-4 --- - abrasion

1.8 μA.

Based on the data

diagnosed

111

MP

erased

enamel bridge, physiological stage.

432 | 234

TToToOT erasability of enamel,

on the stage. Ze fiz enamel erasability.

transition 65156

65156 pathological stage.

Thus, the abrasion of enamel is a physiological stage, when the erasing of hard tissues occurred within the enamel, the abrasion of enamel is a pathological stage, erasure occurs within the limits of enamel and dentin (moreover, 1/3 of the length of the crown) can be installed on the dental admission during a clinical visual examination patient's tooth tissue; The transitional stage of erasability of the teeth was established during a visual examination of only two teeth (out of six), the proposed

4321234 sob - on six teeth TooTooT

 b 321 | 123 6 6 32Т 1123 b

Example (50 l.)

| 16 „irradiation of enamel, pathology - 616T9 | 9

Based on the data obtained, a diagnosis was made: 1 | 1 - erasability of enamel, physiological stage.

| 16 „irradiation of enamel, pathology - 616T9 | 9

32123 cheska stage.-T-4 --- - abrasion

enamel, transitional stage.

Thus, the proposed method for determining tooth erasability allows you to quickly and more accurately determine electrometrically at a dental reception at the stage of teeth erasability.

Claims (1)

Invention Formula Method for determining erasure stages dental capacity by clinical following dental tissues, so that, with a reason to increase the accuracy of the method, the electrical conductivity is additionally measured the tooth tissues by passing through them an electric current of 100 µA at a voltage of 3 V in the absence of electrical conductivity determine the physiological stage, and at its value of 1.0 µA or less and 1.20 µA or more, respectively, the transitional and pathological stages of abrasion.