Issn no: Texas Journal of Medical Science 2 202



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1 - 2022-12-08T193833.311

 
Results and discussion 
The isolates of bacteria appear different between the different studies that divided it as appear in tables (1-5) 
 
Table 1: Results in study A (Total No. of sample =14) 
Bacteria spp. 
Bactria from oral cavity
 
%
Bactria from impression
%
Pseudomonas

3.57% 0 

Klebseilla

10.71 

13.3 
Morexilla

25 

6.66 
Streptococcus

32.14 

26.66 
Enterococcus

7.14 

6.66 
Staphylococcus
10.71 

13.3 
Candida

7.14 

13.3 
No growth 



26.66 
Micrococcus

3.57 

6.66 
Total No. 
28 
100 
15 
100 
Chi-Square (χ
2

-- 
10.037 
** 
-- 
9.215 
** 
P-value 
-- 
0.0001 -- 
0.0017 
** (P≤0.01) 
 
Table 2: Results in study B (Total No. of sample =13) 
Bacteria spp. 
Bactria from oral cavity
 
%
Bactria from impression
%
Klebseilla 

3.57 

4.54 
Morexilla
11 
39.28 

27.27 
Streptococcus
12 
42.85 

40.9 
Staphylococcus
10.7 

18.18 
Diphtheroid

3.57 

4.54 
No growth



4.54 
Total no.
28 
100 
22 
100 
Chi-Square (χ
2

-- 
13.845 
** 
-- 
13.063 
** 
P-value 
-- 
0.0001 -- 
0.0001 
** (P≤0.01) 


2936
-
2770
ISSN NO: 


Texas Journal of Medical Science
 
2
202
-
12
-
7
0
Date of Publication:


https://zienjournals.com


 
_______________________________________________________
_______________________________________________________________________________
________________________________________________________________________________________________________________________________
 
A Bi-Monthly, Peer Reviewed International Journal [3]
 
Volume 15
 
Table 3: Results in study C (Total No. of sample=13) 
Bacteria spp. 
Bactria from oral cavity
 
%
Bactria from impression
%
Klebseilla

6.89 

4.16 
Morexilla

24.13 

20.83 
Streptococcus
12 
41.37 
11 
54.83 
Staphylococcus
17.24 

16.66 
Candida

3.44 

4.16 
No growth



4.16
Micrococcus

6.89 

4.16
Total no.
29 
100 
24 
100 
Chi-Square (χ
2

-- 
12.304 
** 
-- 
13.952 
** 
P-value 
-- 
0.0001 -- 
0.0001 
** (P≤0.01) 
 
Table 4: Results in study Diabetic patients Stats. (Total No. of sample=5) 
Bacteria spp. 
Bactria from oral cavity
 
%
Bactria from impression
%
Klebseilla

25 

28.57 
Morexilla

12.5 

14.28 
Streptococcus

37.5 

28.57 
Staphylococcus
12.5

14.28
Candida

12.5

14.28
Total no.

100 

100 
Chi-Square (χ
2

-- 
8.711 
** 
-- 
5.038 * 
P-value 
-- 
0.0074 -- 
0.0392 
* (P≤0.05), ** (P≤0.01) 
 
Table 5: Results in study Smoker patients Stats. (Total No. of sample=11) 
Bacteria spp. 
Bactria from oral cavity
 
%
Bactria from impression
%
Klebseilla



4.76 
Morexilla

36 

33.3 
Streptococcus
11 
44 
10 
47.61 
Staphylococcus


4.76 
Micrococcus

12 

9.52 
Total no. 
25 
100 
21 
100 
Chi-Square (χ
2

-- 
12.382 
** 
-- 
14.507 
** 
P-value 
-- 
0.0001 -- 
0.0001 
** (P≤0.01). 
Dental patients are high-risk patients relative to their potential to transmit aswell as acquire an infectious 
disease. An equal concern has been exhibited forcross-contamination and disease transmission from patient 
to patient. The constant dangers of cross-contamination in dental practice among patients, dentists, and 
ancillary staff have been pointed out by Murray and Slack; theyreported the possibility of absorbent cotton 
pledgets, air syringes, glass slabs, andhand towels acting as sources of contamination (Williams-Wiles and 
Vieira, 2019).
The Centers for Disease Controland Prevention (CDC), in its infection control guidelines, indicated that 
dentalimpressions are potential sources of cross-contamination and should be handledin a manner that 
prevents exposure to practitioners, patients, and the environment.Based on the corroboration of data and 
regulation confined to the province, appreciative standards of Dental Infection Control and Occupational 


2936
-
2770
ISSN NO: 


Texas Journal of Medical Science
 
2
202
-
12
-
7
0
Date of Publication:


https://zienjournals.com


 
_______________________________________________________
_______________________________________________________________________________
________________________________________________________________________________________________________________________________
 
A Bi-Monthly, Peer Reviewed International Journal [4]
 
Volume 15
 
Safety mustbe followed by the dental team for patient and dental healthcare safety. Initiallythe dentistry was 
routinely done without protective gears but after 1991 dental personnel was required to wear gloves, masks, 
gown, and protective eye. Dentistry is one of the most exposed professions to respiratory diseases e.g. covid-
19 caused by patient exposure to aim is to control infections (Villani et al., 2020). The pathogenic 
microorganisms or transmitted to the dentist or laboratory staff via occupational exposure (Cebriá-Mendoza 
et al., 2019) 
The final results of the study showed that alginate transmits most types of bacteria from the patient's mouth 
to the impression. It was found that the mosttransmitted bacteria through alginate are Streptococcus and 
Moraxella. It shouldbe noted that some bacteria were transmitted in most patients, but they did notgrow in 
the culture media of other patients. Patients with systemic diseases, such as diabetics, were observed to have 
more types of pathogenic bacteria, which arealso transmitted through the alginate impression such as 
Klebsiella, while a greater transmission of Streptococcus and Moraxella was observed in smokers, the age 
groups did not show a significant difference in the presence andtransmission of bacteria as shown in all 
tables. 

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