Bioscience Biotechnology Research Communications

An International  Peer Reviewed Refereed Open Access Journal

P-ISSN: 0974-6455 E-ISSN: 2321-4007

Bioscience Biotechnology Research Communications

An Open Access International Journal

S. Vijayalakshmi*, S. Rajasekar and A. Mohankumar

Division of Microbial Technology, Post Graduate Research Department of Zoology, Chikkanna Government Arts College, Tirupur – 641 602, Tamilnadu, India

Corresponding author Email: vijisundharam@gmail.com

Article Publishing History

Received: 10/07/2017

Accepted After Revision: 28/09/2017

ABSTRACT:

Primary childhood caries constitute a burden for the dental profession and public health administrators, as many authors report that the situation in primary dentition has not improved over the last decades, impacting children’s quality of life and future oral health. Biological as well as socio economic factors are related to the development of dental caries, and are both relevant in understanding the disease process and is the main reason the rural preschool children’s are admitted to hospitals. The early stages of invasion infection caused by Lactobacillus acidophilus also play major role in this process. This study was carried out to access the invitro antibacterial potential of the different tooth paste and tooth powders available in local market against the isolated oral micro floraLactobacillus acidophilus from hundred different samples (including tooth scraping and swabs) collected from various dental clinics and from rural preschool children with different age group ranging from 5-17yrs. A total of hundred isolates were selected and screened for their ability to produce antimicrobial substance. The antimicrobial activity of eleven different tooth pastes such as Pepsodent, Colgate advance, Meswak, Vicco, S.V Namboodiri, K.P. Namboodiri’s, Babool, Dabur Red, Close up, Himalaya herbal complete care and Cheerio gel and four different tooth powders namely Herbal JM, Gopal, Pyorea and Injection were evaluated on cariogenic lactic acid bacteria. The antimicrobial properties of tooth paste were tested with cariogenic biofilm producing microbial strain Lactobacillus acidophilus using well diffusion method. Each tooth paste was tested at different concentrations (2%, 4%, 6%, 8%, 10% and 12%). This investigation showed that all dentifrices selected for the study were effective against the entire test organisms but to varying degrees. Pepsodent – Germi Check tooth paste gave a reading of 45 mm at 10% concentration of tooth paste as the zone of inhibition which was highest amongst all of the test dentifrices followed by Colgate advance dentifrice recorded a larger maximum zone of inhibition, measuring 40 mm compared to other tooth pastes. All other dentifrices showed the zone of inhibition to be between 20 mm to 37.5 mm in 10% concentration of tooth paste respectively. The data obtained from the complete investigation showed that tooth paste formulations have more effective active ingredients to control the oral micro flora whereas, herbal based products are equally effective as the other formulations but are not superior to them, whereas the tooth powder formulations were 100% less effective in controlling the oral flora.

KEYWORDS:

Anticariogenic Activity Tooth Pastes Lactobacillus Acidophilus

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Vijayalakshmi S., Rajasekar S. and Mohankumar A. In Vitro Anticariogenic Activity of Commercially Existing Anticavity Tooth Pastes and Tooth Powders Against Lactobacillus Acidophilus Isolated from Childhood Caries. Biosc.Biotech.Res.Comm. 2017;10(3).


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Vijayalakshmi S., Rajasekar S. and Mohankumar A. In Vitro Anticariogenic Activity of Commercially Existing Anticavity Tooth Pastes and Tooth Powders Against Lactobacillus Acidophilus Isolated from Childhood Caries. Biosc.Biotech.Res.Comm. 2017;10(3). Available from: https://bit.ly/2RlK4s0


Introduction

WHO declared that deprived oral health and its related diseases may have dreadful effect on common health as well as eminence of life. Dental caries is an infectious, communicable disease resulting in destruction of tooth structure by acid forming bacteria found in dental plaque, an intraoral biofilm, in the presence of sugar. The infection results in loss of tooth minerals that begin on the outer surface of the tooth and can progress through the dentin to the pulp, ultimately compromising the vitality of the tooth. Various literature has proved that Streptococcus mutans and Lactobacillus acidophilus were the main causative agent for dental caries (Fitzgerald and Keyes, 1960). The early manifestation of the caries process is a small patch of demineralised enamel at the tooth surface, often hidden from sight in the fissures of teeth or in between the teeth. The destruction spreads into the softer, sensitive part of the tooth beneath the enamel (Yadav and Prakash 2017 and Tasie et al., 2017).

These bacteria are strongly stimulated by sucrose and are known as the main organisms responsible for human tooth decay. Biofilm formation is a natural process in the oral environment, but needs to be controlled through regular brushing in order to prevent the development of caries and periodontal diseases. Most of the people use toothpaste without knowing their potential efficacy, bacteria form an important group of microorganisms found in both healthy and diseased mouths. There have been more than 300 types of bacteria found in the mouth; it’s a very serious matter to select the effective toothpaste or powder to prevent teeth from microbial attack preventing the principle dental diseases like dental plaque, dental caries, gingivitis and periodontitis.

The purpose of oral hygiene using toothpaste is to reduce oral bacterial flora, mouth bacteria have been linked to plaque. Plaque is a complex biofilm found on the tooth surface that is a major cause of the development of dental caries (Benson et al., 2004). The accumulation and development of plaque depends upon the outcome of the interactions between the adhesiveness of plaque to the tooth surface and the physical shear forces which serve to dislodge and remove the plaque (Roberts et al., 2005). Tooth paste is classified as drug not as a cosmetic, different brands of tooth pastes and tooth powders contain effective antibacterial ingredients as broad spectrum antibacterial agents which effectively reduce oral bacteria and contribute to dental health (Regos et al., 1974). The common method for maintaining good oral hygiene is brushing the teeth with dentifrices that have antimicrobial properties and can prevent the degradation of tooth enamel (Vyas et al., 2017).

Tooth brushing with toothpaste is the most widely practiced form of oral hygiene in most countries (Pannuti et al., 2003). The success of any toothpaste, in part, lies on its ability to eliminate pathogenic oral micro flora. Fluoride dentifrices have been widely used all over the world and extensive research has established their abilities in terms of caries resistance (Itthagarum and Wei, 1996). A wide range of chemicals, mainly antimicrobial agents, have been added to tooth pastes in order to produce a direct inhibitory effect on plaque formation (Fine et al., 2006; Pannuti et al., 2003), clearly, most individuals find it difficult to maintain an effective level of plaque control and this is reflected in the levels of periodontal disease in the population. The addition of antimicrobial agents to tooth paste has been suggested as one possible method to improving the efficacy of mechanical tooth-cleaning procedures (Fine et al., 2006; Moran et al., 1988), aiding the control of dental plaque and preventing dental caries and periodontal diseases (Ozaki et al., 2006; White et al., 2006).

When these substances are added to oral products, they kill microorganisms by disrupting their cell walls and inhibiting their enzymatic activity. They prevent bacterial aggregation, slow multiplication and release endotoxins (Bou-Chacra et al., 2005; Ozaki et al., 2006). Our day begins with the tooth paste, hence the objective of this current study has made an effort to argument out the components of conventional tooth pastes should be as safe as those of herbal tooth pastes and able to maintain the good dental hygiene by use of tooth paste because dental care is one of the aspects of human sanitation, which unfortunately receive scanty attention to provide efficient protection against cariogenic microorganisms to enhance biofilm control, and prevent dental caries.

Materials and Methods

Fifty different dental clinical samples from various dental clinics and from the patients having dental caries who come for the dental treatment of different age groups ranging from 5-17 years were collected with the help of an excavator and immediately transferred to 3 ml of saline solution in sterile glass vials. Information of patient’s dental case history was also recorded along with his/her consent. After inoculation, vials were capped and sealed by Parafilm. The packed vials were brought to the laboratory immediately and kept in incubator at 37°C for 24 hours for bacterial enrichment. he cariogenic biofilm producing Lactobacillus acidophilus were screened, identified and purified by series of sub-culture on specific media such as Man Rogosa Sharpe agar and Nutrient agar were incubated aerobically at 37°C for 24 hours. The identification of all the microbes was confirmed by standard biochemical and staining methods (Aneja, 2003). All the pure cultures were stored and maintained in nutrient broth at 4˚C for further use.

All leading conventional, herbal tooth paste and tooth powder brands were purchased from local market. The care was taken to procure the completely herbal (organic) toothpastes only. Fifteen samples namely Pepsodent, Colgate advance, Babool, Vicco, Dabur red, Herbal JM, Pyorea powder, Himalaya herbal complete care, S.V. Namboodiri’s, K.P. Namboodiri, Gopal powder, Close up, Cherriogel, Meswak and Injection powder were collected.Different concentration of (2%, 4%, 6%, 8%, 10% and 12%) tooth pastes and tooth powder samples were diluted in sterile distilled water, shaken and kept as a stock solution. The distilled water employed as the negative control.

The antibacterial activity of the different concentrations: 2:100, 4:100, 6:100, 8:100, 10:100 and 12:100 (prepared by mixing 2g, 4g, 6g, 8g, 10g and 12g each of the toothpastes and tooth powders in 100 ml of sterile distilled water respectively) of the various tooth paste and tooth powder brands namely: Pepsodent, Colgate advance, Babool, Vicco, Dabur red, Herbal JM, Pyorea powder, Himalaya herbal complete care, S.V. Namboodiri’s, K.P. Namboodiri, Gopal powder, Close up, Cherriogel, Meswak and Injection powder was determined by modified agar well diffusion method as described by Prasanth, (2011). In this method Muller Hinton agar plates were seeded with 0.5ml of 0.5 McFarland standards (approx., 108 cfu/ml) of cariogenic biofilm producing Lactobacillus acidophilus)The plates were allowed to solidify. A sterile 8mm cork-borer was used to cut one central and five wells at equidistance of the plates. 0.2ml of the tooth paste and tooth powder dilutions was inoculated to each of the five wells while the same amount of sterile distilled water was introduced in to the first well as control. The efficacy of anticariogenic tooth paste and tooth powder extracts against bacteria was compared with the broad spectrum antibiotics ampicillin, tetracycline and chloramphenicol (positive control). The same procedure was used for the broad spectrum antibiotics and the plates were incubated at 37˚C for 24hours. The antimicrobial activity was evaluated by measuring the diameters of zone of inhibition (in mm). An organism was interpreted as highly susceptible if the diameter of inhibition zones was more than 30 mm, intermediate if diameter was 25 to 30 mm and resistant was less than 25 mm.

Results and Discussion

Amongst 100 clinical decay samples, 100 positive Lactobacillus acidophilus were isolated from different age group ranging from 5-17yrs. All the decay samples were tested on Man Rogosa Sharpe agar (MRS) for the isolation of Lactobacillus acidophilus and confirmed according to Bergy’s manual of Bacteriology. Isolated cariogenic Lactobacillusacidophilus isolates were tested invitro to determine anticariogenic activity of tooth paste and tooth powder by well diffusion method. There are different concentration (2%, 4%, 6%, 8%, 10% and 12%) of tooth paste and tooth powder were tested namely Pepsodent, Colgate advance, Babool, Vicco, Dabur red, Herbal JM, Pyorea powder, Himalaya herbal complete care, S.V. Namboodiri’s, K.P. Namboodiri, Gopal powder, Close up, Cherriogel, Meswak and Injection powder. Totally 12 tooth pastes and 3 tooth powders were used to identify the potential efficacy of tooth pastes and tooth powders against the selected Lactobacillus acidophilus.

The results of antibacterial activity of different brands of anticavity tooth pastes and tooth powders against cariogenic bacteria are shown in Table 1 – 10. Among three brands, Brand – A Conventional tooth paste formulation include Colgate advance, Pepsodent, Close-up and Cherriogel was perceived maximum zone of inhibition (40, 47.5, 30 and 37.5 mm respectively) in 10% concentration followed by minimum zone of inhibition was scattered in 2% concentration of tooth paste.

Table 1: Antibacterial activity of tooth pastes and tooth powders against cariogenic strain MTLACVG02.
 

S. No.

 

Test Dentifrices

Zone of inhibition (mm) at different concentration of tooth paste and tooth powder
2% 4% 6% 8% 10% 12%
Babool 0 14 15 17.5 19 15
Vicco 0 10 12.5 14.5 17 0
Dabur 0 15 16 20 22 0
Herbal JM powder 0 0 0 0 0 0
Pyorea powder 0 0 0 0 0 0
Himalaya herbal complete care 0 12 15 15.5 25 0
S.V. Namboodiri’s 0 16 17.5 20 20 0
Pepsodent 19.5 21 23 41.5 47.5 15
K.P. Namboodiri 0 14 15 16.5 25 0
Gopal powder 0 0 0 0 0 0
Close up 0 14 15 18 30 0
Meswak 0 12.5 13 17.5 31.5 13.5
Injection powder 0 0 0 0 0 0
Cherriogel 0 12.5 17 17.5 25 11
Colgate advance 21 22.5 23 24 30 21

 

Table 2: Antibacterial activity of tooth pastes and tooth powders against cariogenic strain MTLACVG06.
 

S. No.

 

Test Dentifrices

Zone of inhibition (mm) at different concentration of tooth paste and tooth powder
2% 4% 6% 8% 10% 12%
Babool 15 15 15 16.5 20 15
Vicco 10 11 13 13 15 12
Dabur 14.5 15 15 16 20 14.5
Herbal JM powder 0 0 0 0 0 0
Pyorea powder 0 0 0 0 0 0
Himalaya herbal complete care 12 15 19 20 27.5 11.5
S.V. Namboodiri’s 12 14 15 20 22.5 11.5
Pepsodent 18 21 28.5 30 35 15
K.P. Namboodiri 11 12 13.5 14.5 15.5 14
Gopal powder 0 0 0 0 0 0
Close up 14 15 15.5 19 27.5 11
Meswak 10 10 13 13 21.5 13
Injection powder 0 0 0 0 0 0
Cherriogel 11 13 13 20 25 13
Colgate advance 21 22 26.5 29 36.5 18

 

Table 3: Antibacterial activity of tooth pastes and tooth powders against cariogenic strain MTLACVG17.
 

Test Dentifrices

Zone of inhibition (mm) at different concentration of tooth paste and tooth powder
2% 4% 6% 8% 10% 12%
Babool 12 13 14.5 15 17.5 12
Vicco 10 12 12.5 15 17.5 12
Dabur 10 12 16 16 30 10.5
Herbal JM powder 0 0 0 0 0 0
Pyorea powder 0 0 0 0 0 0
Himalaya herbal complete care 12 15 15.5 18 18.5 18
S.V. Namboodiri’s 12 14.5 15 18.5 23 8
Pepsodent 15 17.5 25 29.5 31 13.5
K.P. Namboodiri 12 12 12 15 15 10.5
Gopal powder 0 0 0 0 0 0
Close up 13 15 15 16 16 10
Meswak 9 10 14.5 15 17.5 15.5
Injection powder 0 0 0 0 0 0
Cherriogel 13 14.5 15 16.5 20 9
Colgate advance 16.5 20 23.5 24.5 27.5 11.5

 

Table 4: Antibacterial activity of tooth pastes and tooth powders against cariogenic strain MTLACVG36.
 

S. No.

 

Test Dentifrices

Zone of inhibition (mm) at different concentration of tooth paste and tooth powder
2% 4% 6% 8% 10% 12%
Babool 0 13 19.5 20 20 0
Vicco 9 10 13 15.5 16 0
Dabur 10 14 17.5 21 30 0
Herbal JM powder 0 0 0 0 0 0
Pyorea powder 0 0 0 0 0 0
Himalaya herbal complete care 0 18 19 19.5 22.5 0
S.V. Namboodiri’s 0 14 16.5 18.5 22.5 0
Pepsodent 17 23.5 25 27.5 30 0
K.P. Namboodiri 11 12.5 14 15.5 16 0
Gopal powder 0 0 0 0 0 0
Close up 15 16.5 17 20 30 0
Meswak 11 12 15 18 20 0
Injection powder 0 0 0 0 0 0
Cherriogel 0 14 15 20 37.5 0
Colgate advance 18 18 27.5 27.5 40 16

 

Table 5: Antibacterial activity of tooth pastes and tooth powders against cariogenic strain MTLACVG38.
 

Test Dentifrices

Zone of inhibition (mm) at different concentration of tooth paste and tooth powder
2% 4% 6% 8% 10% 12%
Babool 10 15 16.5 19 22 13.5
Vicco 13 13 14 15 18 12
Dabur 13.5 14 15 17 20 15
Herbal JM powder 0 0 0 0 0 0
Pyorea powder 0 0 0 0 0 0
Himalaya herbal complete care 12 15.5 16 20 24 14.5
S.V. Namboodiri’s 0 15 17.5 18 20 12.5
Pepsodent 23 23 33.5 34.5 41.5 14
K.P. Namboodiri 0 11 14 15 25 13
Gopal powder 0 0 0 0 0 0
Close up 14 15.5 19.5 20 22 13.5
Meswak 12 13 13.5 14 17.5 13.5
Injection powder 0 0 0 0 0 0
Cherriogel 0 13.5 16.5 20 22 13.5
Colgate advance 20.5 22.5 25 25 30 18

 

Table 6: Antibacterial activity of tooth pastes and tooth powders against cariogenic strain MTLACVG75.
 

S. No.

 

Test Dentifrices

Zone of inhibition (mm) at different concentration of tooth paste and tooth powder
2% 4% 6% 8% 10% 12%
Babool 12.5 14 14 18.5 30 14.5
Vicco 10 13 13 14 15 15
Dabur 13 15 15 19 31 15
Herbal JM powder 0 0 0 0 0 0
Pyorea powder 0 0 0 0 0 0
Himalaya herbal complete care 11 15 15 17.5 22.5 16
S.V. Namboodiri’s 9 14.5 15 17.5 20 14.5
Pepsodent 17.5 20 24 25.5 39 12.5
K.P. Namboodiri 11 13 14 15 15 13
Gopal powder 0 0 0 0 0 0
Close up 13 15 15 19 32.5 11
Meswak 10 12 12.5 15 16 13
Injection powder 0 0 0 0 0 0
Cherriogel 12 14 15 20 20 15
Colgate advance 18 21 25 25.5 30 15

 

Table 7: Antibacterial activity of tooth pastes and tooth powders against cariogenic strain MTLACVG85.
 

S. No.

 

Test Dentifrices

Zone of inhibition (mm) at different concentration of tooth paste and tooth powder
2% 4% 6% 8% 10% 12%
Babool 14.5 17 19 20 25 11
Vicco 8 14 14 15 17 12
Dabur 12 14 15.5 17 19 14.5
Herbal JM powder 0 0 0 0 0 0
Pyorea powder 0 0 0 0 0 0
Himalaya herbal complete care 13 18.5 19 20 22 14.5
S.V. Namboodiri’s 11 15 17 17 17.5 14.5
Pepsodent 20 25.5 26 27.5 30 12
K.P. Namboodiri 12 14 16.5 20 20 12.5
Gopal powder 0 0 0 0 0 0
Close up 13 15 15.5 16.5 17 14.5
Meswak 0 13 13 13.5 17.5 14
Injection powder 0 0 0 0 0 0
Cherriogel 9 14 16.5 20 20 13.5
Colgate advance 17 19.5 25 26.5 27 20

 

Table 8: Antibacterial activity of tooth pastes and tooth powders against cariogenic strain MTLACVG95.
 

S. No.

 

Test Dentifrices

Zone of inhibition (mm) at different concentration of tooth paste and tooth powder
2% 4% 6% 8% 10% 12%
Babool 14 15 16 20 24.5 15.5
Vicco 9 10 14 14 13.5 15
Dabur 10 18.5 20 20 20 18
Herbal JM powder 0 0 0 0 0 0
Pyorea powder 0 0 0 0 0 0
Himalaya herbal complete care 13 15 16.5 19 20 0
S.V. Namboodiri’s 15 17.5 18.5 19 25 15.5
Pepsodent 19 20 22.5 27.5 28 14.5
K.P. Namboodiri 10 12.5 15.5 17.5 18 14.5
Gopal powder 0 0 0 0 0 0
Close up 13 14 17 17 20 13.5
Meswak 7 12.5 15 16 17 14.5
Injection powder 0 0 0 0 0 0
Cherriogel 9 14 16.5 20 20 13.5
Colgate advance 17 19.5 25 26.5 27 20

 

Table 9: Antibacterial activity of tooth pastes and tooth powders against cariogenic strain MTLACVG97.
 

Test Dentifrices

Zone of inhibition (mm) at different concentration of tooth paste and tooth powder
2% 4% 6% 8% 10% 12%
Babool 13 15 17 18 19 14.5
Vicco 7 12.5 15 16 16.5 13.5
Dabur 14 17.5 18.5 20 23 15.5
Herbal JM powder 0 0 0 0 0 0
Pyorea powder 0 0 0 0 0 0
Himalaya herbal complete care 18 19 19.5 20 22 22
S.V. Namboodiri’s 14.5 15 16 16.5 18 13.5
Pepsodent 19 21 22.5 22.5 30.5 13.5
K.P. Namboodiri 19 21 22.5 22.5 30.5 13.5
Gopal powder 0 0 0 0 0 0
Close up 12 15 16.5 18 19 20
Meswak 11 13 15 17.5 17.5 15
Injection powder 0 0 0 0 0 0
Cherriogel 9 14.5 20 20.5 22.5 15
Colgate advance 0 18 25 35 40 16

 

Table 10: Antibacterial activity of tooth pastes and tooth powders against cariogenic strain MTLACVG100.
 

S. No.

 

Test Dentifrices

Zone of inhibition (mm) at different concentration of tooth paste and tooth powder
2% 4% 6% 8% 10% 12%
Babool 0 13 14 20 22.5 0
Vicco 0 10 13 13 20 0
Dabur 0 12 15 17.5 24 0
Herbal JM powder 0 0 0 0 0 0
Pyorea powder 0 0 0 0 0 0
Himalaya herbal complete care 15.5 0 15 16.5 17 36.5
S.V. Namboodiri’s 0 15 15 19 25 0
Pepsodent 25 25 25.5 35.5 45 15
K.P. Namboodiri 0 12 15 15 17 0
Gopal powder 0 0 0 0 0 0
Close up 0 15 15.5 20 20 0
Meswak 0 12.5 13 16.5 18 0
Injection powder 0 0 0 0 0 0
Cherriogel 13.5 15 20 20 21 0
Colgate advance 20 24 24 32 15 0

 

Table 11: Tooth paste brands used in this study
S. No Brand Type Tooth Paste
1. Brand – A Conventional Colgate advance, Pepsodent germi check, Close up, Cherriogel.
2. Brand – B Herbal Vicco, Dabur Red, Babool, Meswak, Himalaya herbal complete care, K.P. Namboodiri and S.V. Namboodiri.
3. Brand – C Powder Gopal, Herbal JM, Pyorea and Injection

In Brand – B, 7 dentifrices: Vicco, Dabur Red, Babool, Meswak, Himalaya herbal complete care, K.P. Namboodiri and S.V. Namboodiri were showed maximum activity (20mm, 31mm, 30mm, 31.5mm, 27.5mm, 30.5mm and 25 mm) in 10 % concentration of herbal based tooth paste followed by minimum zone of inhibition was dotted in 2% concentration of Vicco, Dabur Red, Babool, Meswak, Himalaya herbal complete care, K.P. Namboodiri and S.V. Namboodiri was significantly resistant against the tested cariogenic isolates get equally 0 mm zone of inhibition.

Figure 1: Colony of Lactobacillus acidophilus on Man Rogosa Sharpe agar Figure 1: Colony of Lactobacillus acidophilus on Man Rogosa Sharpe agar

 

Figure 2: Anticariogenic activity of different dentifrices against Lactobacillus acidophilus Figure 2: Anticariogenic activity of different dentifrices against Lactobacillus acidophilus 

The findings from the present study the Brand – C include four diverse tooth powders namely Herbal JM, Injection, Gopal and Pyorea was notably degree of resistant against test pathogen Lactobacillus acidophilus. Awareness of this research was investigated to choice the best tooth paste, were using every day to reduce proliferation microorganisms in mouth as well as bad smell of mouth because of presenting microorganism in mouth and were found food between teeth .In the present study, three different brands of tooth pastes designated as A, B and C was tested for antibacterial activity against ten dental pathogens. All type of different tooth paste and tooth powder were found to be effective against 10 cariogenic pathogens to varying degree.

Tooth paste brand A (Type – Conventional) was significant in controlling the Lactobacilli infection from low concentration of 2% it exhibit significant degree of resistant against test pathogen showing there is no zone of inhibition observed in Strain No. 1 MTLACVG02 (Close up and Cherriogel), Strain No. 4 MTLACVG36 (Cherriogel), Strain No. 5 MTLACVG38 (Cherriogel), Strain No.10 MTLACVG100 (Close up) and increased with concentration showing 25 mm zone at 10 % in Strain No. MTLACVG100 somewhat similar with dissimilar results was obtained in case of Lactobacillus spp., this results are in accordance with the results of (Sohail and Khan, 2013) they stated that some tooth paste shows better antibacterial activity against the flora and activity of tooth paste because of active ingredients such as fluoride.

Figure 3: Dentifrices used in this study Figure 3: Dentifrices used in this study 

 

Figure 3b Figure 3b 

The results regarding the brand B (Type – Herbal) is Herbal based products and exhibited least effectiveness as compared to other test formulations. The decay pathogen shows maximum zone of inhibition against ten cariogenic Lactobacillus acidophilus it exhibit better results was shown in 8% and 10% concentration rather than the lowest concentration (2%, 4% and 6%). This may be due to the ingredients present, the herbal formulation studied appeared to be equally effective as the fluoride formulations but not superior to them. Almas et al., (2001) reported that the antimicrobial activity of the herbs may be due to the presence of secondary metabolites such as alkaloids, flavonoids, polyphenols and lectins. Using natural medicines to cure various diseases so, hence herbal medicine had made significant contribution to modern medical practice.

Formulation brand C (Type – Tooth powder) include some dentifrices are listed in (Table 11). Among 2% – 10% concentration of tooth powders are strongly exhibit significant degree of resistant against ten cariogenic isolates (MTLACVG02, MTLACVG06, MTLACVG17, MTLACVG36, MTLACVG38, MTLACVG75, MTLACVG85, MTLACVG95, MTLACVG97 and MTLACVG100) it shows there is no zone of inhibition observed in all cariogenic isolates. Similarly, Sohail and Khan, (2013) also stated that tooth powder formulation is less effective to control the oral microorganisms compare than other conventional and herbal tooth paste formulations. The data obtained from the complete investigation it had shown that tooth paste formulations having more effective active ingredients to control the oral micro flora whereas, herbal based products are equally effective as the other formulations but not superior to them, whereas the tooth powder formulations was 100% less effective in controlling the oral flora.

Conclusion

The present study demonstrated that the antibacterial properties of fifteen dentifrices used against the dental pathogen and concluded that conventional tooth paste formulation (Brand – A) has promising anticariogenic effects compare than other formulations (Brand – B and Brand – C) to some extent to benefit anti plaque action. Further study is needed to determine the bioactive compounds which are responsible for this anticariogenic activity.

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