R
co wh an va (C se CB de re (r ica pe de co m
to
ra bi se th de bi gr hi gr m ho pr of pl im m tit ty la am co cl
Relation
2 Dep
Abstract—Th orrelation betw
hich represent nd the host b alue measured CBCT). Twent even healthy b BCT to obtai ental implants ecorded the ma
) was used to e ant correlation erimental resu ental implant, orrelated (r=0 measured from
Keywords—
orque, bone qu
Implant stab ate of the den ility can be d econdary stabi he mechanica
ental implant ility is formed rowth into the igher implant rowth. Howev measuring relat ost bone and roaches, the m ften been use lant [5-6]. A h mplant. Many might be affect ty. Lekholm ypes based on ar bone. How miner inconsi omputed tomo inical trial. S
between t Jui
1 School o partment of Bio
he purpose of ween the initia ted by maximu bone density, w d by dental co
ty one lumbar bovine. Each b in the bone d s were inserte
aximum ITV.
evaluate wheth n between the ults indicated
quantified as .968) with th dental CBCT.
Dental impl ality, dental co
I. I NTRO
bility is an imp ntal implant [1 divided into t
ility [4]. The al stability im
into the host d by osseoint e surface of t initial stabili ver, so far, the ative movemen
dental impla maximum ins ed to quantify high ITV may
researchers in ted by the hos
and Zarb [7 the amounts wever, this app
istencies. Re ography (CBC Some investig
the Initia i-Ting Hsu 1
of Dentistry, Co omedical Imagi
this study wa al stability of t um insertion t which represe one-beam com r vertebrae w bone specimen density (in gra ed into the b Pearson’s cor her there was a e ITV and bon that the initi the ITV, was e bone densit
lant, initial s one-beam com
ODUCTION
portant factor 1-3]. Basically two stages: in initial stabilit mmediately a bone, while tegration, whi the dental imp ity can result ere is still no m nt at the inte ant. Among t sertion torque y the initial st y indicate a m ndicated that st alveolar bon
] classified j of cortical bo proach was s ecently, the d CT) was exten gators used g
l Stability , Jung-Ting
ollege of Medic ing and Radiolo
as to determin the dental imp torque value (I ented by gray mputed tomogr were collected n was subjecte ayscale value).
bone specimen rrelation coeffi a statistically si ne density. Th ial stability o strongly posit ty in grayscal
stability, inse puted tomogra
for the succe y, the implant nitial stability ty is a functio after inserting
the secondary ch is the bon plant. Basical in more bon method for dir rface between he commonly e value (ITV) tability of the mechanically s the initial stab ne quality or q
awbone into ne versus trab subject to inte dental cone-b nsively used in grayscale valu
y of Denta g Ho 1 , Heng
cine, China Me ogical Science,
ne the plant, ITV), yscale raphy from ed to . The n and ficient
ignif- he ex- of the
tively le, as
ertion aphy
essful t sta- y and
on of g the y sta- ne in- lly, a ne in-
rectly n the y ap- ) has e im- stable
bility quan-
four becu- terex- beam n the ue or
Hou calle was of d bone scale
A. Sp T heal lumb prep Japa spec med ven, dime mm plan repr imen
B. In P spec
al Implan g-Li Huang
edical University China Medical
unsfield units ed radiograph
to evaluate th dental implant
e density, wh e value.
II. M
Specimen prep Twenty one lu lthy bovine. B bar vertebra, pared. A denta an) was used cimen (Figure dical imaging
, Belgium) th ensional mod
in diameter a nt site of each esent the bon n was used in
Figure 1. (Le specimen ob nsertion torqu Pilot holes we cimen using a
nt and the
1 , and Jay W
y, Taichung, 40 University, Ta
to represent hic bone densi
he relationship t, which repre hich represent
M ATERIALS A
aration and C umbar vertebra Bone specimen with dimensio al CBCT devic to obtain den . 1). The CBC software (Mi hat enabled t del of each b and 10 mm lo h bone specim
e density of th this study.
eft) Dental CB btained from b ue measureme
ere drilled int a 3.5 mm diam
e Host Bon Wu 2
04 Taiwan aichung, 404 Ta
the bone de ity. The objec p between the esented by IT ted by bone d
AND METHODS
CBCT scannin ae were colle ns, which obta
ons of 15 30 ce (AZ 3000, ntal CT image CT images we
imics 15.1, M the constructi bone block. T
ong) were de men. The gra the cylinder o
BCT machine bovine lumba ent
to each artifi meter drill, an
ne quality
aiwan
nsity, which cts of this stu e initial stabil TV, and the ho
density in gra
S
ng
cted from sev ained from ea 030 mm 3 we Asahi Roentg es of each bo re imported in Materialise, Le ion of a thre The cylinders fined in the im ayscale value
f the bone spe
; (Right) bone r vertebra.
icial foam bo nd a commerc
1
y
so udy lity ost ay-
ven ach ere gen, one
nto eu- ee- (4 m-
to ec-
e
one
cial
2
de pl in IT to pe
C
m SD ev tio cu ys N ic
m 94 IT Th bo
ental implant lant Innovatio nserted accord TV (Ncm) w orque meter (T
ei, Taiwan) (F
Figure 2. E (Lef
. Statistical an The values o maximum ITV D values. Pea valuate whethe on between th utoff level wa ses of the data Northampton, M
ance was set a
I
The bone de men obtained
47.5±172.3, r TV of dental im
here was stron one density (r=
(4 mm in dia ons Inc, Wes ding to the m was recorded f TQ-8800, Lut Figure 2).
Experimental ft)entire view;
nalysis of the bone de
of the implan arson’s correl
er there was a he ITV and b as deemed to a were perform MA, USA). T
as p<0.05.
III. R ESULTS A
ensities in gra from the b range from 75 mplant are 26 ng positive co
=0.968, P<0.0
ameter and 10 t Palm Beach manufacturer’s
for each bone tron Electroni
setup for mea
; (Right)closed
ensity of the b nts were summ
ation coefficie a statistically s
bone density.
be P<0.05. A med using Ori The level of th
AND DISCUSSIO
ayscale value bovine lumb 56.0 to 1312.
6.6±17.7, rang orrelation betw 0001) (Figure
0 mm long; 3i h, FL, USA) s instructions.
specimen usi ic Enterprise,
asuring the IT d view.
bone specimen marized as me ent (r) was us significant cor . The signific All statistical
ginPro (Origin e statistical si
ON
of the bone s bar vertebrae .0. The maxim e from 8.2 to ween the ITV
3.)
i Im- was . The ing a Tai-
TV:
n and ean ± sed to rrela- cance
anal- nLab, ignif-
speci- e are
mum 64.1.
V and its l plan mea cont mine been alve [8].
by u shou not effec not impl mea the r the f
T that stron bone
Figure 3. Sc tw The initial sta ong-term perf nt represents asuring the im
tended that th e the bone m n demonstrate eolar bone qua
Therefore, in using the den uld be consid fully represe ct of cortical evaluated. Th lants was onl asuring the ini
resonance fre future.
The experimen the initial im ngly positivel e density in gr
attergraph illu ween ITV and ability of a de formance. De
a nondestru mplant stability
he dental CBC ineral content d to be a good ality and quan this study, w tal CBCT. So ered. First, th nt the real h bone thickne hird, in this s ly evaluated
tial stability o quency and P
IV. C ONCL
ntal results ob mplant stability
y correlated ( rayscale, as m
ustrating the c bone density.
ental implant etermining the uctive clinica
y. Nomura et CT may be po
t. In addition d approach fo ntity prior to we evaluated t ome limitation he bovine bon human jawbon ess on the init
study, the ini by ITV. Oth of the dental i Periotest shou
LUSIONS
btained in this y, quantified a (r=0.968, P<0 measured from
correlation be- .
crucially affe e ITV of an i al approach f
t al. [8] recen ossible to det , the CBCT h or evaluating t implant surge the bone dens
ns of this stu ne specimen d
ne. Second, t tial stability w itial stability her methods f implant, such uld be applied
study indicat as the ITV, w 0.0001) with t dental CBCT -
cts m- for ntly ter- has
the ery sity udy did the was of for as in
ted
was
the
T.
22 w
