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Periodontal status of patients with dentin dysplasia type I: report of three cases within a family.
[dentin dysplasia]
Dentin
dysplasia
type
I
(
DDI
)
is
a
rare
hereditary
disturbance
of
dentin
formation
.
It
is
characterized
by
clinically
normal-appearing
crowns
;
obliteration
of
pulp
chambers
;
and
short
,
blunted
and
malformed
roots
that
are
commonly
associated
with
periodontal
attachment
loss
(
PAL
)
.
In
this
context
,
we
report
three
cases
within
a
family
with
similar
clinical
and
radiographic
features
of
DDI
but
with
differing
microbiologic
and
periodontal
conditions
.
A
42
-
year
-old
white
female
and
her
two
daughters
(
25
and
10
years
of
age
)
presented
with
a
diagnosis
of
DDI
.
Probing
depth
(
PD
)
,
clinical
attachment
level
(
CAL
)
,
visible
plaque
,
and
bleeding
on
probing
(
BOP
)
were
recorded
.
Subgingival
biofilm
samples
were
randomly
collected
and
analyzed
by
checkerboard
DNA-DNA
hybridization
.
T
he
mother
presented
34
.
9
%
of
sites
with
PD
>
or
=
4
mm
,
41
.
3
%
of
sites
with
CAL
>
or
=
4
mm
,
and
57
%
of
sites
with
BOP
;
both
daughters
presented
no
sites
with
PD
or
CAL
>
3
mm
and
<
10
%
of
sites
with
BOP
.
Microbiologic
analysis
detected
Gemella
morbillorum
,
Neisseria
mucosa
,
and
Staphylococcus
aureus
in
>
or
=
50
%
of
the
mother
's
samples
.
The
daughters
showed
high
levels
(
>
10
(
4
)
bacterial
cells
)
of
some
periodontopathic
bacteria
,
including
members
of
the
red
(
Porphyromonas
gingivalis
)
and
orange
(
Fusobacterium
periodonticum
and
F
.
nucleatum
polymorphum
)
complexes
and
beneficial
species
of
the
yellow
(
Streptococcus
gordonii
)
and
purple
(
Veillonella
parvula
)
complexes
.
The
mother
presented
high
mean
levels
only
for
four
tested
species
(
N
.
mucosa
,
Prevotella
melaninogenica
,
Treponema
denticola
,
and
V
.
parvula
)
.
A
combination
of
radiographs
,
microbiologic
analysis
,
and
preventive
professional
monitoring
care
is
important
to
avoid
PAL
and
to
provide
oral
health
in
patients
with
DDI
.
Diseases
Validation
Diseases presenting
"rare hereditary disturbance"
symptom
dentin dysplasia
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