2000 Tri-Service Recruit Oral Health Survey Executive Summary Consistent with US civilian Studies...

2000 Tri-Service Recruit Oral Health SurveyExecutive Summary

Consistent with US civilian Studies Year 2000 DoD Recruits

overall are Healthier than their 1994 Counterparts:

Decrease in Mean number of (D)ecayed surfaces.

Decrease in Mean number of (M)issing teeth.

Decrease in Mean number of (F)illed surfaces.

Decrease in number of Recruits PSR 3 or above.

2000 Tri-Service Recruit Oral Health SurveyExecutive Summary (cont.)

Year 2000 Army Recruits compared to their 1994 Counterparts:

Virtually unchanged in Mean numbers of (D)ecayed surfaces and (M)issing teeth.

Decrease in Mean number of (F)illed surfaces.

Decrease in number of Recruits PSR 3 or above.

While projected per Recruit Means for DWV’s have decreased, seriousness (Class 3) of OS requirements have increased.

2000 Tri-Service Recruit Oral Health Survey

Year 1994 and 2000 Army Recruit Comparisons to the DoD on Significant

Study Questions

Study by the Tri-Service Center for Oral Heath Studies at USUHS

2000 Tri-Service Recruit Oral Health SurveyConventions Used In This Summary

Significance has been calculated to the 99th percent.

A single or double Asterisk (*, **) will appear next to a value or item when statistically significant changes are noted.

A green arrow ( ) is often used to help identify findings of interest.

Tables of Mean Values will include the Confidence Interval in Brackets ( e.g.. Mean = 342.4 [313.2-371.6] )

All values are subject to rounding in the summary charts and tables, calculations of significance were performed prior to any rounding to prevent errors.

All results were calculated using weighted values to insure true population representation by the samples.

2000 Tri-Service Recruit Oral Health Survey Study Sample

For the DoD: 2711 Recruits were examined in 1994; while 4346 Recruits were examined in 2000.

For the Army: 535 Recruits were examined at Ft. Leonard Wood in 1994; for year 2000, examinations were performed at Ft. Jackson, Ft. Leonard Wood and Ft. Knox, with a total of 1672 Recruits being evaluated.

Demographics of Study Samples (race, gender, educational level, etc) were consistent with Recruit populations as a whole as reported by DMDC.

Comparison: Percent Dental Readiness of Recruits for DoD

0.6

50.1 49.3

1.8

50.7 47.5

0

20

40

60

80

100

Class1* Class2 Class3

Dental Readiness

Perc

ent o

f Rec

ruits

DoD (1994)

DoD (2000)

Comparison: Percent Dental Readiness of Recruits for Service

1.1

33.3

1.3

65.6

42

56.7

0

20

40

60

80

100

Class1 Class2* Class3*

Dental Readiness

Perc

ent o

f Rec

ruits

Army (1994)

Army (2000)

2000 Tri-Service Recruit Oral Health SurveyDental Readiness

Significant INCREASE in percent of incoming 2000 Army Recruits in Dental Readiness Class 3 when compared to the 1994 Army Recruits.

No real change in 2000 DoD Recruits vs. 1994 DoD Recruits.

Comparison: Percent Distribution of Missing Teeth per Recruit for Service

10 4.9 3.56.2 2.6 2.3

81.688.9

020406080

100

None* 1* 2* 3 or >

Number of Missing Teeth(Excluding Third Molars)

Perc

ent o

f Rec

ruits

Army (1994)

Army (2000)

Comparison: Percent Distribution of Missing Teeth per Recruit for DoD

6.8 3.3 2.2

91.2

5.4 1.8 1.6

87.7

020406080

100

None* 1 2* 3 or >

Number of Missing Teeth(Excluding Third Molars)

Perc

ent o

f Rec

ruits

DoD (1994)

DoD (2000)

2000 Tri-Service Recruit Oral Health SurveyMissing Teeth

Significant DECREASE in Percent of incoming 2000 Army Recruits with missing teeth compared to 1994 Army Recruits.

Significant DECREASE in the Percent of 2000 DoD Recruits with missing teeth compared to 1994 DoD Recruits.

Comparison: Percent Intensity of Restorative Treatment Needs of Recruits for Service

23.135.6

20.5 22.4

36.9

20.1 21.519.9

0

20

40

60

None 1 to 3 4 to 6 7 or >

Number of RestorationsNeeded per Recruit

Perc

ent o

f Rec

ruits Army (1994)

Army (2000)

Comparison: Percent Intensity of Restorative Treatment Needs of Recruits for DoD

39.5

21.4 18.534.4

20.6 13.615.8

36.2

0

20

40

60

None* 1 to 3* 4 to 6* 7 or >*


Perc

ent o

f Rec

ruits DoD (1994)

DoD (2000)

2000 Tri-Service Recruit Oral Health SurveyRestorations Needed Per Recruit

No significant change for incoming 2000 Army Recruits vs. 1994 Army Recruits.

2000 DoD Recruits have significantly LOWER restorative needs compared to 1994 DoD Recruits.

Comparison: Mean Number of Restorations Needed (by Type) per Recruit for Service

0.14 0.03

0.59

1.35

1.71

0.040.180.6

1.371.65

0

0.5

1

1.5

2

2.5

1Surface

2Surface

3Surface

4Surface

5Surface


# o

f Res

tora

tion

s

Army (1994)

Army (2000)

Comparison: Mean Number of Restorations Needed (by Type) per Recruit for DoD

1.81

1.19

0.390.09 0.04

0.070.140.41

1.02

1.17

0

0.5

1

1.5

2

2.5

1Surface*

2Surface*

3Surface

4Surface

5Surface


# o

f R

esto

rati

on

sDoD (1994)

DoD (2000)

2000 Tri-Service Recruit Oral Health SurveyRestorations Needed Per Recruit (By Type)

No significant change for incoming 2000 Army Recruits vs. 1994 Army Recruits.

Significant decrease in mean number of 1&2 Surface Restorations required by 2000 DoD Recruits compared to 1994 DoD Recruits

Percent Distribution of Dental Readiness Classification Based Only on Restorative Treatment Needs for

Army Recruits (2000)

Class123%

Class251%

Class326%



Class120%

Class250%

Class330%


DoD Recruits (2000)

Class3 *27%

Class2 *38%

Class1 *35%


DoD Recruits (1994)

Class121%

Class242%

Class337%

2000 Tri-Service Recruit Oral Health Survey Dental Readiness Classification Based Only On Restorative Needs

No Significant Change

Comparison: Percent Distribution of Class 3 Teeth Among Those who are Readiness Class 3 for

Restorative Reasons (Service)

5.9 9.38.84.98.130.5

47.7

10.624.3

49.9

020406080

1 2* 3 4 5 or >

Number of Class 3 Teeth perClass 3 Recruit

% o

f Rec

ruits Army (1994)

Army (2000)

Comparison: Percent Distribution of Class 3 Teeth Among Those who are Readiness Class 3 for

Restorative Reasons (DoD)

25.812.4 6.7 11.8

43.3

9.55.51123.3

50.7

020406080

1* 2 3 4 5 or >

Number of Class 3 Teeth perClass 3 Recruit

% o

f Rec

ruits

DoD (1994)

DoD (2000)

2000 Tri-Service Recruit Oral Health Survey Percent Distribution of Class 3 Teeth (Restorative)

Significant DECREASE in percent of 2000 Army Recruits who have 2 Class 3 Teeth compared to 1994 Army Recruits, but overall Class 3 Restorative intensity for Army Recruits is virtually unchanged.

Significant INCREASE in percent of 2000 DoD Recruits who have only 1 Class 3 Tooth compared to 1994 DoD Recruits.

Comparison: Percent Distribution of Number of Teeth Requiring Extraction for Service

27.116

2.9 5.3

54

15.5

52.6

26.6

010203040506070

None 1 or 2 3 or 4 5 or >*

Number of Teeth per Recruit

Per

cen

t o

f R

ecru

its

Army (1994)

Army (2000)

Comparison: Percent Distribution of Number of Teeth Requiring Extraction for DoD

38.7

23.8

2

32

15.5

48.5

4

35.5

010203040506070

None* 1 or 2* 3 or 4* 5 or >*

Number of Teeth per Recruit

Per

cen

t o

f R

ecru

its

DoD (1994)

DoD (2000)

2000 Tri-Service Recruit Oral Health SurveyNumber of Teeth Requiring Extraction

Significant INCREASE in percent of 2000 Army Recruits who require 5 or More teeth extracted compared to 1994 Recruits.

Significant DECREASE in percent of 2000 DoD Recruits who require “No” or “1 to 2” teeth extracted, with a significant INCREASE in the percent requiring > 2 Teeth extracted when compared to the 1994 DoD Recruits.

Comparison: Mean Number, by Type, of Surgical Procedure Needed by Recruits with OS Treatment

Needs for Service

0.03

1

2.4

0.90.7

2

0

0.5

1

1.5

2

2.5

3

Simple* Complex* Impaction*

Types of Surgical Extractions

# o

f T

eeth

per

Rec

ruit

Army (1994)

Army (2000)

Comparison: Mean Number, by Type, of Surgical Procedure Needed by Recruits with OS Treatment

Needs for DoD

0.5 0.6

2

0.8

0.4

2.2

0

0.5

1

1.5

2

2.5

3

Simple* Complex Impaction*

Types of Surgical Extractions

# o

f T

eeth

per

Rec

ruit

DoD (1994)

DoD (2000)

2000 Tri-Service Recruit Oral Health SurveyTypes of Extractions For Recruits

With OS Treatment NeedsAn INCREASE in the mean number of “Simple” extractions for 2000 Army Recruits is offset by equivalent DECREASES in “Complex” & “Impaction” extractions when comparing to the 1994 Army Recruits

INCREASES in the mean number of “Simple” & “Impaction” extractions for 2000 DoD Recruits were noted when comparing to 1994 DoD Recruits

Percent Distribution of Dental Readiness Classification Based Only on Oral Surgery Treatment Needs for

DoD Recruits (2000)

Class1 *33%

Class240%

Class3 *27%


DoD Recruits (1994)

Class139%

Class239%

Class322%



Class127%

Class266%

Class37%



Class128%

Class2 *51%

Class3 *21%

2000 Tri-Service Recruit Oral Health Survey Dental Readiness Classification Based Only On Oral Surgery Needs

Note Significant INCREASEin Class 3 percentage

2000 Tri-Service Recruit Oral Health Survey Percent Distribution Of Recruits By PSR Code

Significant DECREASE in percent of 2000 Army Recruits with PSR Code 3 compared to 1994 Army Recruits

Significant DECREASE in percent of 2000 DoD Recruits with PSR Code 2 & 3 compared to 1994 DoD Recruits

Comparison: Percent Distribution of Recruits by PSR Code for DoD

3 9

54

31

34

25

46

205

010203040506070

PSR 0 PSR 1 * PSR 2 * PSR 3 * PSR 4

Recruits'PSR Code

Perc

ent o

f Rec

ruits

DoD (1994)

DoD (2000)

Comparison: Percent Distribution of Recruits by PSR Code for Service

519 21

50

55

28

49

153

010203040506070

PSR 0 PSR 1 * PSR 2 * PSR 3 * PSR 4

Recruits'PSR Code

Perc

ent o

f Rec

ruits

Army (1994)

Army (2000)

2000 Tri-Service Recruit Oral Health Survey Dental Readiness Classification Based Only On Periodontal Needs

Percent Distribution of Dental Readiness Classification Based Only on Periodontal Treatment Needs for DoD

Recruits (1994)

Class293%

Class13%

Class34%

Percent Distribution of Dental Readiness Classification Based Only on Periodontal Treatment Needs for DoD

Recruits (2000)

Class2 *86%

Class36%

Class1 *8%

Percent Distribution of Dental Readiness Classification Based Only on Periodontal Treatment Needs for Army

Recruits (1994)

Class294%

Class15%

Class31%

Percent Distribution of Dental Readiness Classification Based Only on Periodontal Treatment Needs for Army

Recruits (2000)

Class2 *89%

Class3 *4%

Class1 *7%

Note Significant Changes

2000 Tri-Service Recruit Oral Health SurveyPeriodontal Sextant Readiness Classification

No Significant change for incoming 2000 Army Recruits vs. 1994 Army Recruits.

No change in 2000 DoD Recruits compared to 1994 DoD Recruits

Comparison: Mean Number, by Readiness Class, of Periodontal Sextants for Each Recruit by DoD

1.140.09

1.10

4.76

0.14

4.71

0123456

Class 1 Class 2 Class 3

Perio Sextant Readiness Class

Mea

n #

Sext

ants

DoD (1994)

DoD (2000)

Comparison: Mean Number, by Readiness Class, of Periodontal Sextants for Each Recruit by

Service

0.780.02

5.20 5.06

0.100.84

0123456

Class 1 Class 2 Class 3

Perio Sextant Readiness Class

Mea

n #

Sext

ants

Army (1994)

Army (2000)

2000 Tri-Service Recruit Oral Health SurveyFixed Prosthodontic Needs

Significant DECREASE in percent of 2000 Army Recruits who require Fixed Pros Units compared to 1994 Army Recruits.

Similar significant DECREASE in percent of 2000 DoD Recruits who require Fixed Pros Units compared to 1994 DoD Recruits.

Comparison: Percent Distribution of Recruits by Fixed Prosthodontic Needs for Service

66

11.74.4

76.1

14.61.9

17.97.4

0

20

40

60

80

100

None * 1 to 2 3 to 6 * 7 or > *Number of Fixed Pros

Units per Recruit

Per

cent

of R

ecru

its

Army (1994)

Army (2000)

Comparison: Percent Distribution of Recruits by Fixed Prosthodontic Needs for DoD

8.62

9.8 4.2 0.98.8

80.6 85.1

0

20

40

60

80

100

None * 1 to 2 3 to 6 * 7 or >Number of Fixed Pros

Units per Recruit

Per

cent

of R

ecru

its

DoD (1994)

DoD (2000)

Comparison: Percent Distribution of Recruits by Endodontic Needs for DoD

2.3 0.3

90.8

6.6

92.2

5.72 0.1

0

20

40

60

80

100

None 1 2 or 3 4 or >Number of Endo Teeth

per Recruit

Per

cen

t o

f R

ecru

its

DoD (1994)

DoD (2000)

2000 Tri-Service Recruit Oral Health SurveyEndodontic Needs

Significant DECREASE in percent of 2000 Army Recruits who require Endodontics compared to 1994 Army Recruits.

No Significant change in 2000 DoD Recruits compared to the 1994 DoD Recruits.

Comparison: Percent Distribution of Recruits by Endodontic Needs for Service

12.34.9 0.9 0.2

81.9 89.1

8.2 2.50

20

40

60

80

100

None * 1 2 or 3 4 or >

Number of Endo Teethper Recruit

Per

cen

t o

f R

ecru

its

Army (1994)

Army (2000)

Percent Distribution of Endodontic Needs by Type for DoD Recruits (1994)

Anterior16%

Premolar16%

Molar68%

Percent Distribution of Endodontic Needs by Type for DoD Recruits (2000)

Anterior17%

Premolar14%

Molar69%

2000 Tri-Service Recruit Oral Health Survey Percent Distribution Of Endodontic Needs By Type

Percent Distribution of Endodontic Needs by Type for Army Recruits (1994)

Anterior10%

Premolar19%

Molar71%

Percent Distribution of Endodontic Needs by Type for Army Recruits (2000)

Anterior19%

Premolar15%Molar

66%

Percentage of Total DWV Contributed by Each Clinical Discipline for Army Recruits (2000)

Rest22%

Endo*5%

*Perio8%

Prost*30%

Oral Surg*35%

Percentage of Total DWV Contributed by Each Clinical Discipline for Army Recruits (1994)

Oral Surg29%

Prost35%

Perio13%

Rest16%

Endo7%

Percentage of Total DWV Contributed by Each Clinical Discipline for DoD Recruits (2000)

Perio13%

Endo5%*Rest

20%

Prost*21%

Oral Surg*41%

Percentage of Total DWV Contributed by Each Clinical Discipline for DoD Recruits (1994)

Oral Surg30%

Prost31%

Perio12%

Rest22%

Endo5%

2000 Tri-Service Recruit Oral Health SurveyDWV’s By Discipline

1994 Army Recruits 2000 Army Recruits 1994 DoD Recruits 2000 DoD RecruitsOral Surgery 612.0 [574.5-649.5] 544.7 [518.8-570.6] 420.6 [400.1-441.0] 510.6 [493.5-527.6]

Prosthodontics 739.4 [615.1-863.7] 466.8 [395.3-538.3] 443.2 [383.8-502.5] 269.3 [233.9-304.7]Periodontics 281.6 [252.5-310.7] 131.8 [117.9-145.7] 169.4 [156.9-181.9] 162.1 [151.8-172.4]

Restorative 342.4 [313.2-371.6] 346.3 [322.7-369.8] 307.7 [291.7-323.6] 255.2 [241.8-268.7]Endodontics 160.1 [125.8-194.4] 85.0 [67.4-102.7] 74.3 [60.7-87.9] 63.1 [52.8-73.3]

Totals 2135.6 [1955.8-2315.3] **1574.7 [1472.8-1676.5] 1415.1 [1331.2-1499.0] **1260.3 [1206.6-1313.9]

Note Significant changes

2000 Tri-Service Recruit Oral Health Survey Executive Summary Consistent with US civilian Studies...

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