RADIATION SAFETY: LEAKAGE

RADIATION SAFETY: LEAKAGERADIATION SAFETY: LEAKAGERADIATION SAFETY: LEAKAGERADIATION SAFETY: LEAKAGE

• RADIATION BELOW DETECTABLE LIMITS RADIATION BELOW DETECTABLE LIMITS RADIATION BELOW DETECTABLE LIMITS RADIATION BELOW DETECTABLE LIMITS

(0.06mR/hr) 1M FROM SOURCE(0.06mR/hr) 1M FROM SOURCE(0.06mR/hr) 1M FROM SOURCE(0.06mR/hr) 1M FROM SOURCE

• RADIATION < 3 mR / hr @ 5cm FROM RADIATION < 3 mR / hr @ 5cm FROM RADIATION < 3 mR / hr @ 5cm FROM RADIATION < 3 mR / hr @ 5cm FROM

ACCESIBLE CASE SURFACEACCESIBLE CASE SURFACEACCESIBLE CASE SURFACEACCESIBLE CASE SURFACE

• LEAKAGE FAR BELOW FDA LIMITLEAKAGE FAR BELOW FDA LIMITLEAKAGE FAR BELOW FDA LIMITLEAKAGE FAR BELOW FDA LIMIT

• LEAKAGE 2 LEAKAGE 2 LEAKAGE 2 LEAKAGE 2 ---- 60X LESS THAN WALL60X LESS THAN WALL60X LESS THAN WALL60X LESS THAN WALL----MOUNTMOUNTMOUNTMOUNT

RADIATION SAFETY: RADIATION SAFETY: RADIATION SAFETY: RADIATION SAFETY: BACKSCATTERBACKSCATTERBACKSCATTERBACKSCATTER

ZONE OF

SIGNIFICANT

OCCUPANCY

0.00

25.00

50.00

75.00

100.00

125.00

150.00

175.00

200.00

0.1 1 10 100

Air kerma in one hour in mR at back plane of

instrument (workload 138 mAs)

Heig

ht

ab

ove f

loo

r (c

m)

With Shield Without Shield

Backscatter Shield I

Backscatter Protection Zone


TOP

VIEW

ZONE OF

SIGNIFICANT

OCCUPANCY

BACKSCATTER

PROTECTION ZONE

BACKSCATTER SHIELD


•MEASURED RADIATION ~ 1 mR/hr

•REDUCED RADIATION UP TO 10X

•‘EQUIVALENT’ 2 - METER SHIELD

•LEAD EQUIVALENT: 0.5mm

DETAIL: VERTICAL BACKSCATTER

DISTRIBUTION AT MAX DUTY CYCLE

0.00

25.00

50.00

75.00

100.00

125.00

150.00

175.00

200.00

0.1 1 10 100

Air kerma in one hour in mR at back plane of

instrument (workload 138 mAs)

Heig

ht

ab

ove f

loo

r (c

m)

With Shield Without Shield

NOMADNOMADNOMADNOMADTMTMTMTM IMAGE QUALITYIMAGE QUALITYIMAGE QUALITYIMAGE QUALITY

• HIGH QUALITY: HANDHIGH QUALITY: HANDHIGH QUALITY: HANDHIGH QUALITY: HAND----HELDHELDHELDHELD

• COMPARABLE TO CONVENTIONALCOMPARABLE TO CONVENTIONALCOMPARABLE TO CONVENTIONALCOMPARABLE TO CONVENTIONAL

• WORKS WITH FILM OR DIGITALWORKS WITH FILM OR DIGITALWORKS WITH FILM OR DIGITALWORKS WITH FILM OR DIGITAL

NOMADNOMADNOMADNOMADTMTMTMTM FILM MAGE QUALITYFILM MAGE QUALITYFILM MAGE QUALITYFILM MAGE QUALITY

Implant Check: 70kv, 2.0mA, 0.4s, DImplant Check: 70kv, 2.0mA, 0.4s, DImplant Check: 70kv, 2.0mA, 0.4s, DImplant Check: 70kv, 2.0mA, 0.4s, D----Speed Film. Courtesy Dr. Sutat Speed Film. Courtesy Dr. Sutat Speed Film. Courtesy Dr. Sutat Speed Film. Courtesy Dr. Sutat CharudilakaCharudilakaCharudilakaCharudilaka, , , ,

Head of Department of Dentistry, Police General Hospital, BangkoHead of Department of Dentistry, Police General Hospital, BangkoHead of Department of Dentistry, Police General Hospital, BangkoHead of Department of Dentistry, Police General Hospital, Bangkok Thailandk Thailandk Thailandk Thailand

NOMADNOMADNOMADNOMADTMTMTMTM FILM MAGE QUALITYFILM MAGE QUALITYFILM MAGE QUALITYFILM MAGE QUALITY

ROOT CANAL SERIES: 10 YEAR OLD FEMALE

DRILL MAIN CONE FILL CANAL ADJUSTMENT

70kv, 2.0mA, 0.4s, D70kv, 2.0mA, 0.4s, D70kv, 2.0mA, 0.4s, D70kv, 2.0mA, 0.4s, D----Speed Film. Courtesy Dr. Sutat Speed Film. Courtesy Dr. Sutat Speed Film. Courtesy Dr. Sutat Speed Film. Courtesy Dr. Sutat

CharudilakaCharudilakaCharudilakaCharudilaka, Head of Department of Dentistry, Police General , Head of Department of Dentistry, Police General , Head of Department of Dentistry, Police General , Head of Department of Dentistry, Police General

Hospital, Bangkok ThailandHospital, Bangkok ThailandHospital, Bangkok ThailandHospital, Bangkok Thailand

NOMADNOMADNOMADNOMADTMTMTMTM DIGITALDIGITALDIGITALDIGITAL IMAGE QUALITYIMAGE QUALITYIMAGE QUALITYIMAGE QUALITY

SKULL PHANTOM, 0.1 SEC

70KV 2.0mA OWANI CCD

HAND-HELD

SKELETONIZED SAMPLE, 0.02 SEC

60KV 2.3mA DEXIS CCD, HAND-HELD

Courtesy Dr. Bryan Chrz

WHYWHYWHYWHY NOMADNOMADNOMADNOMADTMTMTMTM IS ATTRACTIVE TO DENTISTS:IS ATTRACTIVE TO DENTISTS:IS ATTRACTIVE TO DENTISTS:IS ATTRACTIVE TO DENTISTS:

INCREASE OFFICE WORK INCREASE OFFICE WORK INCREASE OFFICE WORK INCREASE OFFICE WORK –––– FLOWFLOWFLOWFLOW

REDUCE CAPITAL EXPENDITURE FOR XREDUCE CAPITAL EXPENDITURE FOR XREDUCE CAPITAL EXPENDITURE FOR XREDUCE CAPITAL EXPENDITURE FOR X----RAYRAYRAYRAY

IMPROVE TREATMENT AND SERVICEIMPROVE TREATMENT AND SERVICEIMPROVE TREATMENT AND SERVICEIMPROVE TREATMENT AND SERVICE

PROVIDE TRUE PORTABILITYPROVIDE TRUE PORTABILITYPROVIDE TRUE PORTABILITYPROVIDE TRUE PORTABILITY

INTERNATIONAL DEMAND FORINTERNATIONAL DEMAND FORINTERNATIONAL DEMAND FORINTERNATIONAL DEMAND FOR NOMADNOMADNOMADNOMADTMTMTMTM

• CE MARK AVAILABLE MAY 2005CE MARK AVAILABLE MAY 2005CE MARK AVAILABLE MAY 2005CE MARK AVAILABLE MAY 2005

• ORDERS PLACEDORDERS PLACEDORDERS PLACEDORDERS PLACED

• EVALUATIONS UNDERWAYEVALUATIONS UNDERWAYEVALUATIONS UNDERWAYEVALUATIONS UNDERWAY

• 510(k) POSSIBLE JUNE 2005510(k) POSSIBLE JUNE 2005510(k) POSSIBLE JUNE 2005510(k) POSSIBLE JUNE 2005

…………....BATTERIES INCLUDEDBATTERIES INCLUDEDBATTERIES INCLUDEDBATTERIES INCLUDED !!!!!!!!

TSUNAMI ! DECEMBER 26, 2004TSUNAMI ! DECEMBER 26, 2004TSUNAMI ! DECEMBER 26, 2004TSUNAMI ! DECEMBER 26, 2004

• TESTED TESTED TESTED TESTED NOMADNOMADNOMADNOMADTMTMTMTM WITH ROYAL THAI POLICE WITH ROYAL THAI POLICE WITH ROYAL THAI POLICE WITH ROYAL THAI POLICE

DENTAL CLINIC EARLY DECEMBER 2005DENTAL CLINIC EARLY DECEMBER 2005DENTAL CLINIC EARLY DECEMBER 2005DENTAL CLINIC EARLY DECEMBER 2005

• NOMADNOMADNOMADNOMADTMTMTMTM REQUESTED BY ROYAL THAI POLICE REQUESTED BY ROYAL THAI POLICE REQUESTED BY ROYAL THAI POLICE REQUESTED BY ROYAL THAI POLICE

FOR DISASTER VICTIM ID (DVI)FOR DISASTER VICTIM ID (DVI)FOR DISASTER VICTIM ID (DVI)FOR DISASTER VICTIM ID (DVI)

• NOW PREFERRED DVI FORENSIC XNOW PREFERRED DVI FORENSIC XNOW PREFERRED DVI FORENSIC XNOW PREFERRED DVI FORENSIC X----RAY TOOLRAY TOOLRAY TOOLRAY TOOL

• OVER 1000 DVI PERFORMED OVER 1000 DVI PERFORMED OVER 1000 DVI PERFORMED OVER 1000 DVI PERFORMED

• EIGHT EIGHT EIGHT EIGHT NOMADNOMADNOMADNOMADTM TM TM TM UNITS IN OPERATIONUNITS IN OPERATIONUNITS IN OPERATIONUNITS IN OPERATION

NOMADNOMADNOMADNOMADTMTMTMTM PRESSED INTO SERVICE IN THAILANDPRESSED INTO SERVICE IN THAILANDPRESSED INTO SERVICE IN THAILANDPRESSED INTO SERVICE IN THAILAND

THE TASK AT HAND:

NOMADNOMADNOMADNOMADTMTMTMTM EMBRACED BY FORENSIC TEAMSEMBRACED BY FORENSIC TEAMSEMBRACED BY FORENSIC TEAMSEMBRACED BY FORENSIC TEAMS

Dr. Chris Richards, Forensic Dentist DVI

NOMADNOMADNOMADNOMADTMTMTMTM USED USED USED USED ‘‘‘‘ONONONON----SITESITESITESITE’’’’ FOR VICTIM IDFOR VICTIM IDFOR VICTIM IDFOR VICTIM ID

POSTPOSTPOSTPOST----MORTEM IMAGE USING MORTEM IMAGE USING MORTEM IMAGE USING MORTEM IMAGE USING NOMADNOMADNOMADNOMADTM TM TM TM WITH WITH WITH WITH

DENTRIX DIGITAL SENSORDENTRIX DIGITAL SENSORDENTRIX DIGITAL SENSORDENTRIX DIGITAL SENSOR

NOMADNOMADNOMADNOMADTMTMTMTM BEING ACQUIRED WORLDWIDEBEING ACQUIRED WORLDWIDEBEING ACQUIRED WORLDWIDEBEING ACQUIRED WORLDWIDE

• MULTIPLE INTERNATIONAL DVI TEAMSMULTIPLE INTERNATIONAL DVI TEAMSMULTIPLE INTERNATIONAL DVI TEAMSMULTIPLE INTERNATIONAL DVI TEAMS

• SHIPPED TO NUMEROUS COUNTRIESSHIPPED TO NUMEROUS COUNTRIESSHIPPED TO NUMEROUS COUNTRIESSHIPPED TO NUMEROUS COUNTRIES

• AMERICAN DENTISTS EAGERLY AWAITING FDA AMERICAN DENTISTS EAGERLY AWAITING FDA AMERICAN DENTISTS EAGERLY AWAITING FDA AMERICAN DENTISTS EAGERLY AWAITING FDA

510(k) CLEARANCE AND STATE APPROVAL510(k) CLEARANCE AND STATE APPROVAL510(k) CLEARANCE AND STATE APPROVAL510(k) CLEARANCE AND STATE APPROVAL

SUMMARYSUMMARYSUMMARYSUMMARY

• RADIATION LEVELS FAR BELOW FDA LIMITS RADIATION LEVELS FAR BELOW FDA LIMITS RADIATION LEVELS FAR BELOW FDA LIMITS RADIATION LEVELS FAR BELOW FDA LIMITS ( 21 CFR ( 21 CFR ( 21 CFR ( 21 CFR §1020.30(k) )1020.30(k) )1020.30(k) )1020.30(k) )

• HIGH QUALITY RADIOGRAPHIC IMAGESHIGH QUALITY RADIOGRAPHIC IMAGESHIGH QUALITY RADIOGRAPHIC IMAGESHIGH QUALITY RADIOGRAPHIC IMAGES

• NOMADNOMADNOMADNOMADTMTMTMTM IS SAFE AND EFFICACIOUSIS SAFE AND EFFICACIOUSIS SAFE AND EFFICACIOUSIS SAFE AND EFFICACIOUS

RADIATION SAFETY: LEAKAGE

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