2. Problem Statement
Dental implants are made out
of machined metals
Top component suffers
excessive wear
3. 16000
3553
2793
4086
5599
2000
SCALE6:1SCALE6:1
CROWN
MATERIAL:
ALUMINA (Al2O3)
IMPLANTPOST
MATERIAL:
CPTITANIUM GRADE1
SECTION A-A
A
DO NOTSCALEDRAWING
POSTAND CROWN
ASSEMBLY
SHEET1 OF4
HOANG PHAM
UNLESSOTHERWISESPECIFIED:
SCALE: 5:1 WEIGHT:
REVDWG. NO.
A
SIZE
TITLE:KONSTANTIN IVANOV
KENDALHANEL
ENGINEERS
FINISH
MATERIAL
INTERPRETGEOMETRIC
TOLERANCING PER: ANSI Y14.5-1994M
DIMENSIONSAREIN UM (MICRO)
TOLERANCES:
LINEAR: 100 MICRONS
ANGULAR: MACH 1
APPLICATION
USED ONNEXTASSY
PROPRIETARY AND CONFIDENTIAL
THEINFORMATION CONTAINED IN THIS
DRAWING ISTHESOLEPROPERTYOF
SDSU. ANYREPRODUCTION
IN PARTORASA WHOLEWITHOUTTHE
WRITTEN PERMISSION OFSDSU
ISPROHIBITED.
5 4 3 2 1
SDSU ENGINEERING
BRYANTPHAM
ANTHONYTILLEY
ROBERTSCULT
ME 596 PIM OF BIO
MEDICAL MINIATURE
N/A
N/A
SolidWorks Student Edition.
For Academic Use Only.
4. Material Selection Criteria
Available particle size and shape for micro-feature PIM
Biocompatible
Wear Resistant
Low oxygen and carbon content
Final Decision
Post Implant – CP Ti Grade 1
Screw Hate – Al2O3
5. Powder Specifications
AP&C Advanced
Ti Spherical Sieving Apparent
Density
0-25um 32% 2.55
25-45um
65.5%
+45um 2.5%
Inframat Advanced Materials
Al2O3
Spherical
Particle Size Apparent
Density
3-4um Avg. 3.97 g/cm3
6. Manufacturing Process
Mix powder
Polypropylene, paraffin wax, and stearic acid binder at 65% solids
loading
PIM using Archimedes screw heated barrel
Immerse in heptane at 60°C
Second stage Argon sweep gas for Titanium at 450°C max
Vacuum sinter at 1250°C for 3 h for Titanium
Finish Titanium with hot isostatic pressing
Sinter at 1400°C for 2 h for Alumina
7. Inspection
Visual and SEM (appearance)
Dye penetration (surface cracks)
Core X-ray (inner core defects)
8. Critical Function
Improving wear resistance of the component
Biocompatibility of component
Removing all machining steps
Material selection to improve properties
High wear resistance from Alumina
Titanium & Alumina fit biocompatibility requirements
9. D
2675
LB2
LB1
ANG C
ANG B
3553
LC1
1000
1992
1250
CONFIG D[UM] LC[UM] LB1[UM] LB2[UM] ANG C[ ] ANG B[ ] VOL
[mm^ 3]
SMALL 3300 1000 4000 3000 10,5,0 10,5,0 62.50
MEDIUM 3500 2000 5000 3000 10,5,0 10,5,0 97.20
LARGE 4000 3000 6000 4000 10,5,0 10,5,0 167.00
A
DO NOTSCALEDRAWING
IMPLANTPOST
GENERALDIMS
SHEET2 OF4
HOANG PHAM
UNLESSOTHERWISESPECIFIED:
SCALE: 8:1 WEIGHT:
REVDWG. NO.
A
SIZE
TITLE:KONSTANTIN IVANOV
KENDALHANEL
ENGINEERS
FINISH
MATERIAL
INTERPRETGEOMETRIC
TOLERANCING PER: ANSI Y14.5-1994M
DIMENSIONSAREIN UM (MICRO)
TOLERANCES:
LINEAR: 100 MICRONS
ANGULAR: MACH 1
APPLICATION
USED ONNEXTASSY
PROPRIETARY AND CONFIDENTIAL
THEINFORMATION CONTAINED IN THIS
DRAWING ISTHESOLEPROPERTYOF
SDSU. ANYREPRODUCTION
IN PARTORASA WHOLEWITHOUTTHE
WRITTEN PERMISSION OFSDSU
ISPROHIBITED.
5 4 3 2 1
SDSU ENGINEERING
BRYANTPHAM
ANTHONYTILLEY
ROBERTSCULT
ME 596 PIM OF BIO
MEDICAL MINIATURE
CP TITANIUM GRADE1
FREEOFBURRSAND DEFECTS
SolidWorks Student Edition.
For Academic Use Only.
10. A
B
C
SECTION A-A
200 PITCH
150 HEIGHT
DETAILA
SCALE25 : 1
200 PITCH
116 HEIGHT
DETAILB
SCALE25 : 1
500 PITCH
255 HEIGHT
DETAILC
SCALE20 : 1
VOLUME: 70.00 mm^ 3
A
DO NOTSCALEDRAWING
IMPLANTPOST
THREAD DETAIL
SHEET3 OF4
HOANG PHAM
UNLESSOTHERWISESPECIFIED:
SCALE: 10:1 WEIGHT:
REVDWG. NO.
A
SIZE
TITLE:KONSTANTIN IVANOV
KENDALHANEL
ENGINEERS
FINISH
MATERIAL
INTERPRETGEOMETRIC
TOLERANCING PER: ANSI Y14.5-1994M
DIMENSIONSAREIN MM
TOLERANCES:
FRACTIONAL
ANGULAR: MACH 1 BEND
TWO PLACEDECIMAL .02
THREEPLACEDECIMAL .005
APPLICATION
USED ONNEXTASSY
PROPRIETARY AND CONFIDENTIAL
THEINFORMATION CONTAINED IN THIS
DRAWING ISTHESOLEPROPERTYOF
SDSU. ANYREPRODUCTION
IN PARTORASA WHOLEWITHOUTTHE
WRITTEN PERMISSION OFSDSU
ISPROHIBITED.
5 4 3 2 1
SDSU ENGINEERING
BRYANTPHAM
ANTHONYTILLEY
ROBERTSCULT
ME 596 PIM OF BIO
MEDICAL MINIATURE
FREEOFBURRSAND DEFECTS
CPTITANIUM GRADE1SolidWorks Student Edition.
For Academic Use Only.
11. R400
4086
10.00°
2000 2000
1737
5599
14.00°
2300
1000
2283
1550
8000
2000
A
SECTION A-A
200 PITCH
150 HEIGHT
375
DETAILA
SCALE50 : 1
A
DO NOTSCALEDRAWING
CROWN
SHEET4 OF4
HOANG PHAM
UNLESSOTHERWISESPECIFIED:
SCALE: 8:1 WEIGHT:
REVDWG. NO.
A
SIZE
TITLE:KONSTANTIN IVANOV
KENDALHANEL
ENGINEERS
FINISH
MATERIAL
INTERPRETGEOMETRIC
TOLERANCING PER: ANSI Y14.5-1994M
DIMENSIONSAREIN UM (MICRO)
TOLERANCES:
LINEAR: 100 MICRONS
ANGULAR: MACH 1
APPLICATION
USED ONNEXTASSY
PROPRIETARY AND CONFIDENTIAL
THEINFORMATION CONTAINED IN THIS
DRAWING ISTHESOLEPROPERTYOF
SDSU. ANYREPRODUCTION
IN PARTORASA WHOLEWITHOUTTHE
WRITTEN PERMISSION OFSDSU
ISPROHIBITED.
5 4 3 2 1
SDSU ENGINEERING
BRYANTPHAM
ANTHONYTILLEY
ROBERTSCULT
ME 596 PIM OF BIO
MEDICAL MINIATURE
ALUMINA [Al2O3]
FREEOFBURRSAND DEFECTS
SolidWorks Student Edition.
For Academic Use Only.
12. Market Shares
Estimated $3.4 Billion in implant sales a year & growing at
10%/year
“American Academy of Implant” estimated 3 million people
with implants and 500k increase/year in US
69% of adults (age. 35-44) have lost at least 1 permanent
tooth
By age 74, 26% of adults will have lost all of their permanent
teeth.
Europe ½ global market, while North America 2nd largest
region
Growth in the Asia/Pacific region being driven by China & is
expected to increase the global size in coming years.
15% Market Share @ 3 Implants/person
225,000 units/year
13. Failure Criteria
Does not fit dimensional tolerance
Unnecessary secondary finishing operations
High oxygen or carbon content
Low volume production
No profit
Unacceptable defects
15. Production Cost
$15,000 Mold made in China
HIP contracted to Pressure Tech Inc. @ $2000/cycle
Part Volume
Post 0.173cm3
Cap 0.128 𝑐𝑚3
0.73179 g/unit Ti @ $150/kg
0.5052445 g/unit Alumina @ $26/kg
$0.15/unit material
$0.23/unit processing
$0.38/unit total