--The periodontal ligamentThe periodontal ligament
is the connective tissueis the connective tissue
that surrounds the rootthat surrounds the root
connects it to the bone.connects it to the bone.
What is a Periodontal DiseaseWhat is a Periodontal Disease
a serious infection that destroys the soft tissue anda serious infection that destroys the soft tissue and
bone that support your teeth and that eventually maybone that support your teeth and that eventually may
cause tooth losscause tooth loss
--Periodontal Disease is Devided Into 2 CategoriesPeriodontal Disease is Devided Into 2 Categories::
11--Chronic periodontitisChronic periodontitis..
22--Aggressive periodontitisAggressive periodontitis..
Aggressive PeriodontitisAggressive Periodontitis
Tends to have a familiarTends to have a familiar
aggregation & there is aaggregation & there is a
rapid rate of diseaserapid rate of disease
11--Accumulation of plaqueAccumulation of plaque
66--Hormonal changesHormonal changes
77--Nutritional deficienciesNutritional deficiencies
88--Microorganisms such asMicroorganisms such as
actinomycetemcomitansactinomycetemcomitans and others such asand others such as
gingivalis ,corrodens ,rectus ,nucleatumgingivalis ,corrodens ,rectus ,nucleatum
,capillus,capillus ,and,and capnocytophagacapnocytophaga..
11--Otherwis clinically healthy patientOtherwis clinically healthy patient
22--Rapid attachment loss and bone destructionRapid attachment loss and bone destruction
3-Amount of microbial deposits inconsistent3-Amount of microbial deposits inconsistent
with disease severitywith disease severity
44--Familial aggregation of diseased individualsFamilial aggregation of diseased individuals
11--Localized aggressiveLocalized aggressive
periodontitis (LAP):periodontitis (LAP): it isit is
Generalized aggressive periodontitis (GAP):Generalized aggressive periodontitis (GAP): isis
differentiated from localized form by the extent ofdifferentiated from localized form by the extent of
involvement of the permanent teeth,it is distinguishedinvolvement of the permanent teeth,it is distinguished
11--Usually affecting persons under 30 years of ageUsually affecting persons under 30 years of age
(however, may be older(however, may be older((
22--Generalized proximal attachment loss affecting at leastGeneralized proximal attachment loss affecting at least
three teeth other than first molars and incisorsthree teeth other than first molars and incisors
33--Pronounced episodic nature of periodontal destructionPronounced episodic nature of periodontal destruction
44--Poor serum antibody response to infecting agentsPoor serum antibody response to infecting agents
Juvenile periodontitisJuvenile periodontitis
Disease of theDisease of the
periodontium occurringperiodontium occurring
in an otherwise healthyin an otherwise healthy
adolescent which isadolescent which is
characterized by a rapidcharacterized by a rapid
loss of alveolar boneloss of alveolar bone
about more than oneabout more than one
tooth of the permanenttooth of the permanent
Papillon-lefever syndrom (PLSPapillon-lefever syndrom (PLS((
Is rare autosomal recessiveIs rare autosomal recessive
disorder characterized bydisorder characterized by
palmoplantar hyperkeratosispalmoplantar hyperkeratosis
and early onset periodontitisand early onset periodontitis..
Both the primary and secondaryBoth the primary and secondary
dentition can be affected .dentition can be affected .
PLS is change by mutation inPLS is change by mutation in
the cathepsin C gene ,locatedthe cathepsin C gene ,located
on chromosome 11on chromosome 11..