part 1 Flashcards
a type of periapical diagnosis wherein its sign and symptom is that there is painful response to biting and percussion
Acute Apical Periodontitis (AAP)
(9) Ovoid root canal opening
maxillary: LI, Canine, 1PM and 2PM
mandibular: CI, LI, Canine, 1PM and 2PM
aka non vital or internal bleaching
intracoronal bleaching
removal of the entire root, leaving the crown intact
root resection
separation of a multirooted tooth through the furcation in such a way that a root and the associated portion of the crown may be removed
hemisection
a vital pulp therapy procedure performed to allow continued physiologic development and formation of the root
apexogenesis
when the apical protion of the root with periradicular pathosis cannot be cleaned, shaped and obturated
root-end resection
the most apical end of the root
anatomical apex
locate about 0.5mm from the apical foramen in the area of DCJ
apical constriction
termed as the βnatural stopβ
apical constriction
instrument usd to remove pulp tissue from wide root canals
broach
his tightly spiraled cutting edges that cut either in reaming or a push-and-pull filing motion
K-files
manufactured by cutting the spiral flutes into the shaft of a tapered wire to produce elevated cutting edges that appear to form a series of intersecting cones
hedstrom file
file that is used in pulling strokes only (withdrawal stroke)
hedstrom file
manufactured by cutting the spiral flutes into a round wire of superelastic nickel titanium alloy
NiTi file
a bisbiguanide antiseptic agent is used to kill or inhibit microorganism
Chlorhexidine (CHX)
this aqueous solution removes inorganic ions such as calcium to demineralize and soften the dentin
EDTA
EDTA is short for?
ethylenediaminetetraacetic acid
half turn twist and pull (clockwise) file
reamer
manufactured by twisting a tapered, triangular or square wire to for, an instrument with sharp cutting edges
used to enlarge the root canal
reamer
distance between apical foramen and apical apex = 0.5mm
apical foramen
what root is usually the most difficult to locate?
MB root of Max 1st molar
is the displacement of the tooth from its original position in the alveolus, without total avulsion, resulting from acute trauma
luxation
used to fill the discrepancies between the canal walls and core materials
sealers
used to obturate root canals in conjunction with sealers
gutta percha
odorless, basic, white powder
calcium hydroxide
for calcification and inhibit resorption
calcium hydroxide
complete dislodgement of a tooth out of its socket by traumatic injury
avulsion
partial axial displacement out of its socket
extrusive luxation
fractured alveolar socket
lateral luxation
partial axial displacement into the socket and can be accompanied by fractured alveolar socket
intrusive luxation
sensitivity to percussion but little or no mobility and no displacement
subluxation
treatment for concussion
no treatment π
treatment for subluxation
flexible splint can be placed for the pxβs comfort 7-10 days
RCT if the tooth becomes symptomatic or it shows necrosis, periodontitis or resorption
treatment for extrusion
reposition the tooth
treatment for lateral luxation
stabilize the tooth with a flexible splint for 3 weeks
RCT if the tooth becomes symptomatic or it shows necrosis, periodontitis, ankylosis or resorption
treatment for intrusive luxation
slightly luxate the tooth with forceps
spontaneous reposition if incomplete root formation or orthodontic repositioning if complete root formation or surgical repositioning
perform prophylactic RCT = 1-3 weeks after injury
pinakamagandang sister?
AICA πβ€οΈπ’
part of the masticatory mucosa which cover the attachment apparatus
gingiva
color of gingiva
coral pink
consistency of gingiva
resilient and fibrotic in nature
texture of gingiva
stippling of the attached gingiva (least favorable factor) should be present
contour of the gingiva
gingival margins should be scalloped in form and firmly attached (healthy gingiva)
keratinized stratified squamous epithelium in the gingiva
oral epithelium
nonkeratinized thin squamous epithelium without presence of rete pegs
sulcular epithelium
nonkeratinized stratified squamous epithelium
collar like band of stratified squamous epithelium
junctional epithelium
how many cells are present in the junctional epithelium near the sulcus?
10-29 cells
how many cells are present in the junctional epithelium at the apical end?
2-3 cells
junctional epithelium are attached via?
hemidesmosomes
transudate that emerges from the gingival sulcus
GCF
GCF stands for?
gingivocrevicular fluid
it will become exudate if there is an inflammation
GCF
gingival fibers are composed of what type of collagen?
type I collagen
refers to the irregular surface texture of the attached gingiva similar to the surface of an orange peel
stipplings
stipplings are not usually visible at the age of?
6 years old
result from the absence of stipplings
- edema pf the underlying connective tissue
- inflammatory degradation of gingival collagen fibers
- normal variation in gingival topography
collar tissue that is not attached to the tooth or alveolar bone
free gingiva
most coronal portion of the gingiva
gingival margin
demarcation of the free gingiva to attached gingiva
free gingival groove
shallow groove between the marginal gingiva and the tooth surface
gingival sulcus
bound by sulcular epithelium lateral and JE (junctional epithelium) apically
gingival sulcus
the gingiva that occupies the interdental space coronal to the alveolar crest
interdental gingiva
present between the free gingiva and alveolar mucosa
attached gingiva
separates attached gingiva from the alveolar mucosa
mucogingival junction
radiographic evident which is most accurate for bone loss assessment
bitewing
measurement in mm from the gingical margin down to the deepest point reached by the probe
periodontal pocket depth
probing force
25g
measurement in mm from the CEJ down to the deepest point reached by the probe
attachment loss
allows slight movement of tooth to accomodate masticatory forces
physiologic tooth mobility
increased mobility as a result of connective tissue attachment loss
pathologic mobility
Millerβs classification wherein there is > or = 1mm mobility
grade II
Millerβs classification wherein there is horizontal mobility
grade I
Millerβs classification wherein there is > 2mm and vertical mobility
grade III
Glickman furcation classification (Naberβs probe) wherein there is incipient bone loss. furcation probe can feel the depression of the furcation opening
grade I
Glickman furcation classification (Naberβs probe) wherein there is partial bone loss. probe enters under the roof ofthe furcation
grade II
Glickman furcation classification (Naberβs probe) wherein there is total bone loss with through-and-through opening of the furcation. not visible clinically
grade III
Glickman furcation classification (Naberβs probe) wherein it is like grade III furcation but it is visible clinically
grade IV
hard bristle toothbrush is capable of causing gingival recession and abrasion
toothbrush trauma
v shaped notches inthe cervical area of the teeth and gingival cleft
toothbrush trauma
most prominent teeth in the dental arch that acquires toothbrush trauma
canines and premolars
drugs that causes gingival overgrowth
(1)phenytion, (2) nifedipine, (3) cyclosporine
others: Ca channel blockers (verpamil, felodipine, diltazem, amlodipine) Mycophenolate (immunosuppressant) Sertraline (antidepressant) Pimozide (antipsychotic)
condition where pocketing occurs without attachment loss
pseudopocketing
there is an expansion of gingival coronally NOT apically
pseudopocketing
vascular phase of inflammation
initially starts with VASOCONSTRICTION
-> complement system activation and mediator release: c3b -> c5a -> histamine -> vasodilation -> hyperemia -> increased vascular permeability
cellular phase of inflammation
adhesion -> margination -> diapedesis -> chemotaxis -> phagocytosis
neutrophils -> macrophages -> lymphocytes/eosinophils
its objective is to provide a smooth, clean, hard polished root surface
scaling and root planing
best criterion for the succes of scaling and root planing is?
no evidence of bleeding on probing (BOP)
narrow, delicate instrument having either one or two cutting edges or working surfaces
end of the edges: rounded
smaller than scalers
provide atraumatic entry to the subgingival space
peridontal curette
peridontal pockets are NOT caused by Occlusal Trauma
walang sagot. additional information lang. hihihihi πππ¬ππ»
excessive force applied applied to the teth with normal structures
primary occlusal trauma
excessive force to the teeth with inadequate support
secondary occlusal trauma
eliminate prematurities first in centric relation -> protrusive movements -> lateral excursive movements
selective grinding
aggressive, repetitive and continuous grinding, gritting or clenching of the teeth
bruxism
treatment for bruxism
nightguard
etiology of gingiva and periodontal diseases
microbial plaque
functions as a protective barrier against dessication and also substrate for bacterial attachment
pellicle
what are the process of plaque formation?
- molecular adsorption
- bacterial adhesion
- sequential adsorption
- growth of extracellular matrix
indicated on permanent teeth with IMMATURE APICES
no particular pathoses
6-8 months
application of calcium hydroxide or MTA
indirect pulp capping
what type of bacteria adheres in the initial colonization in plaque formation?
gram (+) facultative anaerobic cocci
in sequential adsorption in the process of plaque formation, gram (+) bacteria shift to?
gram (-) bacteria obligate anaerobic bacteria
what bacteria are present in the growth of extracellular matrix in the process of plaque formation?
gram (+) rods particularly actinomycetes
how does plaque cause disease?
day 0? day 2-4? day 6-10?
day 0: gram (+) cocci and rods
day 2-4: cocci still present but RODS and FILAMENTS increase
day 6-10: presence of VIBRIOS and SPIROCHETES
mineralized plaque formed by bathing in a highly concentrated solution of calcium and phosphorus
calculus
how much inorganic components are present in calculus?
70-90%
2/3 of inorganic is made up of crystalline in structure
deposits found below the free gingival margin
subgingival calcular deposits
deposits found above the free gingival margin
supragingival calcular deposits
deposits are usually white or pale yellow
supragingival calcular deposits