DENTAL BIOAEROSOL AS AN OCCUPATIONAL HAZARD IN A DENTIST’S WORKPLACE
NOTE : all this from my reading in some scientific website and articles
I hope that you enjoy and you benefit❤
DENTAL BIOAEROSOL AS AN OCCUPATIONAL HAZARD IN A DENTIST’S WORKPLACE
NOTE : all this from my reading in some scientific website and articles
I hope that you enjoy and you benefit❤
Infection Control Guidelines for Ophthalmology Clinic [compatibility mode]drnahla
Infection Control Guidelines for Ophthalmology Clinic
Infection Prevention in Ophthalmology Clinic
Dr. NAHLA ABDEL KADERوMD, PhD.
INFECTION CONTROL CONSULTANT, MOH
INFECTION CONTROL CBAHI SURVEYOR
Infection Control Director, KKH.
by - dr. sheetal kapse, 2nd year p.g. student, dept. of oral & maxillofacial surgery, RCDSR, Bhilai, C.G. please contact for any question...email id - sheetal.kpse@yahoo.com
This presentation aims to give a quick guide on new technologies in environmental cleaning. The decision of choosing a specific type depends on each healthcare setting and its need.
Sterilisation /certified fixed orthodontic courses by Indian dental academy Indian dental academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
Indian dental academy provides dental crown & Bridge,rotary endodontics,fixed orthodontics,
Dental implants courses.for details pls visit www.indiandentalacademy.com ,or call
0091-9248678078
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
Indian dental academy provides dental crown & Bridge,rotary endodontics,fixed orthodontics,
Dental implants courses.for details pls visit www.indiandentalacademy.com ,or call
0091-9248678078
Infection Control Guidelines for Dental Clinics [compatibility mode]drnahla
Infection Control Guidelines for Dental Clinics
Infection Prevention in Dental Clinics
Dr. Nahla Abdel Kader.MD, PhD. Infection Control Consultant, MOH Infection Control Surveyor, CBAHI Infection Control Director,KKH.
Conventional and hazardous air sterilization techniques like fumigation and ozonators are inefficient in handling sterility of air, which is the most important aspect. Most of the cross-infection occur through air as all microorganisms travel through air borne particles. Fumigation technique has a very momentary effect as far as sterilization of air is concerned.
Microbiological Environmental Monitoring in Pharmaceutical Facilitydelli_intralab
Merupakan jurnal tentang microbiological environment monitoring in pharma facility
Untuk informasi lebih lanjut atau diskusi mengenai environment monitoring, silahkan hubungi delli.intralab@gmail.com
Infection Control Guidelines for Ophthalmology Clinic [compatibility mode]drnahla
Infection Control Guidelines for Ophthalmology Clinic
Infection Prevention in Ophthalmology Clinic
Dr. NAHLA ABDEL KADERوMD, PhD.
INFECTION CONTROL CONSULTANT, MOH
INFECTION CONTROL CBAHI SURVEYOR
Infection Control Director, KKH.
by - dr. sheetal kapse, 2nd year p.g. student, dept. of oral & maxillofacial surgery, RCDSR, Bhilai, C.G. please contact for any question...email id - sheetal.kpse@yahoo.com
This presentation aims to give a quick guide on new technologies in environmental cleaning. The decision of choosing a specific type depends on each healthcare setting and its need.
Sterilisation /certified fixed orthodontic courses by Indian dental academy Indian dental academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
Indian dental academy provides dental crown & Bridge,rotary endodontics,fixed orthodontics,
Dental implants courses.for details pls visit www.indiandentalacademy.com ,or call
0091-9248678078
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
Indian dental academy provides dental crown & Bridge,rotary endodontics,fixed orthodontics,
Dental implants courses.for details pls visit www.indiandentalacademy.com ,or call
0091-9248678078
Infection Control Guidelines for Dental Clinics [compatibility mode]drnahla
Infection Control Guidelines for Dental Clinics
Infection Prevention in Dental Clinics
Dr. Nahla Abdel Kader.MD, PhD. Infection Control Consultant, MOH Infection Control Surveyor, CBAHI Infection Control Director,KKH.
Conventional and hazardous air sterilization techniques like fumigation and ozonators are inefficient in handling sterility of air, which is the most important aspect. Most of the cross-infection occur through air as all microorganisms travel through air borne particles. Fumigation technique has a very momentary effect as far as sterilization of air is concerned.
Microbiological Environmental Monitoring in Pharmaceutical Facilitydelli_intralab
Merupakan jurnal tentang microbiological environment monitoring in pharma facility
Untuk informasi lebih lanjut atau diskusi mengenai environment monitoring, silahkan hubungi delli.intralab@gmail.com
Greentech commercial air surface purifiers from Cleanworld.caPhil Shames
PureAir Commercial Air Purifiers made by Greentech Environmental and sold by Cleanworld.ca are far superior to air purifiers that simply filter the air.
PureAir air and surface purifiers emit particles that are effective against viruses, bacteria, mold, mildew, and allergens.
This document outlines the commercial line of air and surface purifiers offered. It also includes an independent lab report that outlines the effectiveness of the technology.
Fundamental Principle Of Dental
I.A.Q.( Indoor Air Quality). Environmental Surfaces Contaminated patient care items and surfaces pose different degrees of risk for infection
transmission based on their location and potential to transmit pathogens. With regards to environmental surfaces, the latest precautionary dental guidelines also provide a better
understanding of how to discriminate between the two categories of environmental surfaces: clinical contact surfaces and housekeeping surfaces.
ABSTRACT- Two hundred fifty samples were collected from Khartoum teaching hospital (KTH) by swabs from units'
surfaces including walls, seats, tables, floor, medical devices, doors and windows. Air samples were also investigated by
using settle plate method. The samples were cultured on blood agar for primary isolation. Identification of MRSA was
carried out according to standard method. Resistance to methicillin and vancomycin was done for each isolate. The disc
diffusion method and In-Use test were used to evaluate the effectiveness of the four disinfectants (Clorox (sodium
hypochlorite) + Water, Phenol + liquid soap + Chloroxylenol "Dettol", Formalin + Water, and Dettol (Chloroxylenol
solution) + Liquid soap + Water) against MRSA. Data were analyzed by the statistical analysis program Statistical Package
for the Social Science (SPSS) using One-Way Analysis of Variance (ANOVA) and Least Significant Difference
(L.S.D) test.
The results revealed that the prevalence of MRSA was 66 (25%). Among these 11(16%) were vancomycin resistant.
Moreover, the study on the role of disinfectants in controlling infection showed that two of these disinfectants (Formalin +
Water, Dettol (Chloroxylenol solution) + Liquid soap + Water) were significantly effective on MRSA (P<0.05),>0.05) on the same organisms.
It is concluded that the prevalence of MRSA in KTH was high and the rate of Vancomycin resistant S. aureus (VRSA) is
increasing. The disinfectants used routinely in KTH were not equal in their efficiency and there was failure in the actions
of two of them.
Key words: MRSA, Hospital, Disinfectants, Infection Control, Sudan.
Model Attribute Check Company Auto PropertyCeline George
In Odoo, the multi-company feature allows you to manage multiple companies within a single Odoo database instance. Each company can have its own configurations while still sharing common resources such as products, customers, and suppliers.
Acetabularia Information For Class 9 .docxvaibhavrinwa19
Acetabularia acetabulum is a single-celled green alga that in its vegetative state is morphologically differentiated into a basal rhizoid and an axially elongated stalk, which bears whorls of branching hairs. The single diploid nucleus resides in the rhizoid.
2024.06.01 Introducing a competency framework for languag learning materials ...Sandy Millin
http://sandymillin.wordpress.com/iateflwebinar2024
Published classroom materials form the basis of syllabuses, drive teacher professional development, and have a potentially huge influence on learners, teachers and education systems. All teachers also create their own materials, whether a few sentences on a blackboard, a highly-structured fully-realised online course, or anything in between. Despite this, the knowledge and skills needed to create effective language learning materials are rarely part of teacher training, and are mostly learnt by trial and error.
Knowledge and skills frameworks, generally called competency frameworks, for ELT teachers, trainers and managers have existed for a few years now. However, until I created one for my MA dissertation, there wasn’t one drawing together what we need to know and do to be able to effectively produce language learning materials.
This webinar will introduce you to my framework, highlighting the key competencies I identified from my research. It will also show how anybody involved in language teaching (any language, not just English!), teacher training, managing schools or developing language learning materials can benefit from using the framework.
Synthetic Fiber Construction in lab .pptxPavel ( NSTU)
Synthetic fiber production is a fascinating and complex field that blends chemistry, engineering, and environmental science. By understanding these aspects, students can gain a comprehensive view of synthetic fiber production, its impact on society and the environment, and the potential for future innovations. Synthetic fibers play a crucial role in modern society, impacting various aspects of daily life, industry, and the environment. ynthetic fibers are integral to modern life, offering a range of benefits from cost-effectiveness and versatility to innovative applications and performance characteristics. While they pose environmental challenges, ongoing research and development aim to create more sustainable and eco-friendly alternatives. Understanding the importance of synthetic fibers helps in appreciating their role in the economy, industry, and daily life, while also emphasizing the need for sustainable practices and innovation.
Unit 8 - Information and Communication Technology (Paper I).pdfThiyagu K
This slides describes the basic concepts of ICT, basics of Email, Emerging Technology and Digital Initiatives in Education. This presentations aligns with the UGC Paper I syllabus.
Read| The latest issue of The Challenger is here! We are thrilled to announce that our school paper has qualified for the NATIONAL SCHOOLS PRESS CONFERENCE (NSPC) 2024. Thank you for your unwavering support and trust. Dive into the stories that made us stand out!
The Roman Empire A Historical Colossus.pdfkaushalkr1407
The Roman Empire, a vast and enduring power, stands as one of history's most remarkable civilizations, leaving an indelible imprint on the world. It emerged from the Roman Republic, transitioning into an imperial powerhouse under the leadership of Augustus Caesar in 27 BCE. This transformation marked the beginning of an era defined by unprecedented territorial expansion, architectural marvels, and profound cultural influence.
The empire's roots lie in the city of Rome, founded, according to legend, by Romulus in 753 BCE. Over centuries, Rome evolved from a small settlement to a formidable republic, characterized by a complex political system with elected officials and checks on power. However, internal strife, class conflicts, and military ambitions paved the way for the end of the Republic. Julius Caesar’s dictatorship and subsequent assassination in 44 BCE created a power vacuum, leading to a civil war. Octavian, later Augustus, emerged victorious, heralding the Roman Empire’s birth.
Under Augustus, the empire experienced the Pax Romana, a 200-year period of relative peace and stability. Augustus reformed the military, established efficient administrative systems, and initiated grand construction projects. The empire's borders expanded, encompassing territories from Britain to Egypt and from Spain to the Euphrates. Roman legions, renowned for their discipline and engineering prowess, secured and maintained these vast territories, building roads, fortifications, and cities that facilitated control and integration.
The Roman Empire’s society was hierarchical, with a rigid class system. At the top were the patricians, wealthy elites who held significant political power. Below them were the plebeians, free citizens with limited political influence, and the vast numbers of slaves who formed the backbone of the economy. The family unit was central, governed by the paterfamilias, the male head who held absolute authority.
Culturally, the Romans were eclectic, absorbing and adapting elements from the civilizations they encountered, particularly the Greeks. Roman art, literature, and philosophy reflected this synthesis, creating a rich cultural tapestry. Latin, the Roman language, became the lingua franca of the Western world, influencing numerous modern languages.
Roman architecture and engineering achievements were monumental. They perfected the arch, vault, and dome, constructing enduring structures like the Colosseum, Pantheon, and aqueducts. These engineering marvels not only showcased Roman ingenuity but also served practical purposes, from public entertainment to water supply.
The French Revolution, which began in 1789, was a period of radical social and political upheaval in France. It marked the decline of absolute monarchies, the rise of secular and democratic republics, and the eventual rise of Napoleon Bonaparte. This revolutionary period is crucial in understanding the transition from feudalism to modernity in Europe.
For more information, visit-www.vavaclasses.com
How to Make a Field invisible in Odoo 17Celine George
It is possible to hide or invisible some fields in odoo. Commonly using “invisible” attribute in the field definition to invisible the fields. This slide will show how to make a field invisible in odoo 17.
A Strategic Approach: GenAI in EducationPeter Windle
Artificial Intelligence (AI) technologies such as Generative AI, Image Generators and Large Language Models have had a dramatic impact on teaching, learning and assessment over the past 18 months. The most immediate threat AI posed was to Academic Integrity with Higher Education Institutes (HEIs) focusing their efforts on combating the use of GenAI in assessment. Guidelines were developed for staff and students, policies put in place too. Innovative educators have forged paths in the use of Generative AI for teaching, learning and assessments leading to pockets of transformation springing up across HEIs, often with little or no top-down guidance, support or direction.
This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
Welcome to TechSoup New Member Orientation and Q&A (May 2024).pdfTechSoup
In this webinar you will learn how your organization can access TechSoup's wide variety of product discount and donation programs. From hardware to software, we'll give you a tour of the tools available to help your nonprofit with productivity, collaboration, financial management, donor tracking, security, and more.
Welcome to TechSoup New Member Orientation and Q&A (May 2024).pdf
Chlorhexidine- clinical trial
1. Scientific Paper Presentation
A Clinical Trial on The Effect of a
Pre Procedural 0.2 % Chlorhexidine
Mouth Rinse on Aerosol Contamination
While Using Ultrasonic Scalers in Different
Clinical Set up
8. Aim
To assess the effect of preprocedural
0.2% chlorhexidine rinse on aerosol
contamination while using ultrasonic
scalers in different clinical set up.
9. Objective
• To asses the aerosol contamination in a
ventilated and non ventilated clinical set
ups.
• To asses the effect of preprocedural
chlorhexidine rinse in different clinical
set ups.
12. •Baseline contamination collected
•30 Sec prerinsing with 5 ml 0.2% Chlorhexidine
Gluconate (Hexidine,Glaxo)TM
•32 mhz Ultrasonic Scaler
•No suction used
•20 minutes scaling of lower anteriors
13. • 3 patients in each session-
6 patients in each clinical setup-
12 sample size.
• 7 culture plate collected during each session making a
total of 84.
• Adult generalized gingivitis case.
• Single case a day.
• Post session contamination measured.
23. Graph 1 (a) : Without Preprocedural Rinse in Ventilated Clinical Set Up
78
57.33
50.33
63
25.33
0
10
20
30
40
50
60
70
80
Without Pre-Procedural Rinse
Mouth Mask
Doctors Apron
Patient apron
50 Cm aw ay
150 Cm Aw ay
Average CFU/Plate
24. Graph 2 : With Preprocedural Rinse in Non Ventilated Clinical Set Up
26.33
24
18
12
10.33
0
5
10
15
20
25
30
With Pre-Procedural Rinse
Mouth Mask
Doctors Apron
Patient apron
50 Cm aw ay
150 Cm Aw ay
Average CFU/Plate
25. Graph 2 (a) : With Preprocedural Rinse in Ventilated Clinical Set Up
29
36
19.33
11
8.33
0
5
10
15
20
25
30
35
40
With Pre-Procedural Rinse
Mouth Mask
Doctors Apron
Patient apron
50 Cm aw ay
150 Cm Aw ay
Average CFU/Plate
26. Graph 3 : Without Preprocedural Rinse in Non Ventilated Clinical Set Up
5.33
77.33
18.67
0
10
20
30
40
50
60
70
80
Without Pre-Procedural Rinse
Baseline
Maximum cont
Level of Cont after 30 min
Average CFU/Plate
27. Graph 3 (a) : Without Preprocedural Rinse in Ventilated Clinical Set Up
7.67
78
20.33
0
10
20
30
40
50
60
70
80
Without Pre-Procedural Rinse
BASELINE
Maximum Count
Level of Cont after 30
min
Average CFU/Plate
28. Graph 4 : With Preprocedural Rinse in Non Ventilated Clinical Set Up
5.6
26.33
7
0
5
10
15
20
25
30
With Pre-Procedural Rinse
Baseline
Maximum cont
Level of Cont after 30 min
Average CFU/Plate
count
29. Graph 4 (a) : With Preprocedural Rinse in Ventilated Clinical Set Up
7
36
7.33
0
5
10
15
20
25
30
35
40
With Pre-Procedural Rinse
BASELINE
Maximum Count
Level of Cont after 30 min
Average CFU/Plate
30. Graph 5 : Without and With Preprocedural Rinse in
Non Ventilated Clinical Set Up
0
10
20
30
40
50
60
70
80
Without Pre-Procedural Rinse With Pre-Procedural Rinse
Mouth Mask
Doctors Apron
Patient apron
50 Cm aw ay
150 Cm Aw ay
t= 32.54 p<0.05
AverageCFU/Plate
32. Graph 6 : Without and With Preprocedural Rinse in
Non Ventilated Clinical Set Up
0
10
20
30
40
50
60
70
80
Mouth
Mask
Doctors
Apron
Patient
apron
Without Pre-Procedural
Rinse
With Pre-Procedural
Rinse
t= 35.24 p<0.05
33. Graph 6 (a) : Without and With Preprocedural Rinse in
Ventilated Clinical Set Up
78
7.67
57.33
36
50.33
19.33
0
10
20
30
40
50
60
70
80
Mouth
Mask
Doctors
Apron
Patient
apron
Without Pre-Procedural
Rinse
With Pre-Procedural Rinse
t= 35.64 p<0.05
34. Graph 7 : Without and With Preprocedural Rinse in
Non Ventilated Clinical Set Up
0
10
20
30
40
50
60
70
50 Cm aw ay 150 Cm Aw ay
Without Pre-Procedural
Rinse
With Pre-Procedural Rinse
t= 42.44 p<0.05
35. Graph 7 (a) : Without and With Preprocedural Rinse in
Ventilated Clinical Set Up
63
11
25.33
8.33
0
10
20
30
40
50
60
70
50 Cm aw ay 150 Cm Aw ay
Without Pre-Procedural Rinse
With Pre-Procedural Rinse
t= 44.54 p<0.05
37. • The Occupational Safety and Health
Administration (OSHA) has mandated that
all known blood splatter and aerosols must
be controlled.
• WHO advocates use of high vacuum
evacuator to control aerosol cross
infection.
38. • Previous studies have demonstrated that
to ensure a healthy office environment,
universal precautions must be used with
all patients as well as the need for
adequate control of the transmission of
infectious diseases associated with an
indoor environment whether airborne or
otherwise.
39. • Larato et al. have observed similar patterns of microbial
air contamination as this study before, during, and after
dental treatment in a closed operatory.
• A subsequent decrease of atmospheric microbial
contamination was noticed 30 minutes after the end of
the working period in this study. This is in agreement
with the results reported by Grenier, Larato et al., and
Travaglini et al.
• The CFU/plate values after pre rinse in this study
showed less significant results, in contrast with the
findings of the study conducted by Timmerman et al.
This may be because they did two consecutive prerinses
before ultrasonic scaling procedures.
40. • A similar study in the closed operatory of mobile dental
unit by Shivakumar K M et al concluded that high risk of
aerosol contamination in mobile units can be a health
risk to the dentists attending public health programs.
• A study conducted by Fine has proved that
preprocedural oral rinsing with an antiseptic mouthwash
significantly reduces the viable microbial content of
bioaerosols generated during dental operative
procedures.
• They concluded that this preprocedural rinsing may have
a potential role in reducing the risk of cross-
contamination with infectious agents in the dental
operatory.
42. 0.2% chlorhexidine preprocedural rinse is
effective in reducing the aerosols contamination
generated by the use of ultrasonic scaler.
A preprocedural rinsing by the patient with 0.2%
chlorhexidine 5ml for 30 seconds before any
dental procedure will be highly beneficial.
43. Recommendation
The higher level of contamination seen in
operator’s apron and mask warrants the need of
effective utilization of personal protective
equipments like mouth masks, gloves,
eyeglasses, lateral protective shields, and head
caps during dental procedures.
44. Limitation
The numbers presented as CFU/plate are relative values
representing only aerobic bacteria capable of growth on
nutrient agar media plates. It is likely actual microbial
content in the specified areas was much higher than that
reported here, as all types of organisms including
viruses, anaerobic bacteria, and organisms requiring
specialized medium were not identified.
46. 1. Grenier D. Quantitative analysis of bacterial aerosols in two different
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2. Al Maghlouth A, Al Yousef Y, Al Bagieh N. Qualitative and
quantitative analysis of bacterial aerosols. J Contemp Dent Pract
2004;5:91-100.
3. Leggat PA, Kedjarune U. Bacterial aerosols in the dental clinic: A
review. Int Dent J 2001;51:39-44.
4. Bentley RD, Burkhart NW, Crawford JJ. Evaluating Spatter and
Aerosol contamination during dental procedures. J Am Dent Assoc
1994;125:579-84.
5. Miller RL, Micik RE, Abel C, Ryge G. Studies on dental aerobiology
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6. Kedjarune U, Kukiattrakoon B, Yapong B, Chowanadisai S, Leggat
P. Bacterial aerosols in the dental clinic-effect of time, position and
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7. Timmerman MF, Menso L, Steinfort J, Van Winkelhoff AJ, Van Der
Weijden GA. Atmospheric contamination during ultrasonic scaling. J
Clin Periodontol 2004;31:458-62.
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47. 8. King TB, Muzzin KB, Berry CW, Anders LM. The effectiveness of an
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9. Runnells RR. An overview of infection control in dental practice. J
Prosthet Dent 1988;59:625-9.
10. http://www.bd.com.
11.Larato DC, Ruskin PF, Martin A, Delanko R. Effect of a dental air
turbine drill on the bacterial counts in air. J Prosthet Dent
1966;16:758-65.
12.Travaglini EA, Larato DC, Martin A. Dissemination of organism-
bearing droplets by high-speed dental drills. J Prosthet Dent
1966;16:132-9.
13.Williams GH, Pollock NL 3 rd , Shay DE, Barr CE. Laminar air purge
of microorganisms in dental aerosols-Prophylactic procedures with
the ultrasonic scaler. J Dent Res 1970;49:1498-504.
14.Infection control recommendations for the dental office and the
dental laboratory. Council on Dental Materials, Instruments, and
Equipment. Council on Dental Practice. Council on Dental
Therapeutics. J Am Dent Assoc 1988;116:241-8.
15.Nash KD. How infection control procedures are affecting dental
practice today. J Am Dent Assoc 1992;123:67-73.
48. 16.Mills SE, Kuehne JC, Bradley DV. Bacteriological analysis of high
speed handpiece turbines. J Am Dent Assoc 1993;
124:59-62
17.Gruninger SE, Siew C, Chang SB, Clayton R, Leete JK, Hojvat SA,
et al . Human immunodeficiency virus type-1. Infection among
dentists. J Am Dent Assoc 1992;123:57-64.
18.Fine DH, Mendieta C, Barnett ML, Furgang D, Meyers R, Olshan A,
et al . Efficacy of Preprocedural rinsing with an antiseptic in reducing
viable bacteria in dental clinic. J Periodontol 1992;63:821-4.
19.Trenter SC, Walmsley AD. Ultrasonic dental scaler: Associated
hazards. J Clin Periodontol 2003;30:95-101
20.Rivera-Hidalgo F, Barnes JB, Harrel SK. Aerosol and splatter
production by focused spray and standard ultrasonic inserts. J
Periodontol 1999;70:473-7.
21.Bennett AM, Fulford MR, Walker JT, Bradshaw DJ, Martin MV,
Marsh PD. Microbial aerosols in general dental practice. Br Dent J
2000;189:664-7.
22.KM Shivakumar, GM Prashant, GS Madhu Shankari, VV Subba
Reddy, GN Chandu,Assessment of atmospheric microbial
contamination in a mobile dental unit, IJDR, 2007 ;Volume : 18,
Issue : 4 Page : 177-180