Random Flashcards
Beading in RPD does what
maxillary major connector of an RPD and maintains tissue contact to prevent food impaction.
It involves scribing a 0.5 mm rounded groove in the cast at the borders of the major connector.
PDL made of
sharpey fibers
infection in canine space usually due to what teeth
max incisors and canines
swelling of upper lip, canine fossa and periorbital tissue
____ It is commonly used to diagnose thromboses and thrombotic disorders.
D-dimers
dental collapse during etching means
remove smear layer, create micro-porosities, expose collagen, and widen dentinal tubules.
Guide planes determine what?
path of insertion and maximize retention of RPD
epidermal growth factor EGF stimulates cell growth by what receptors
by tyrosine kinases.
When patient taking IV bisphosphonates, can you extract teeth
NO, avoid at all
not even wait or drug holiday can manage BRONJ
Components of resin composite
Bis-GMA, silane (coupling agent) , silica(filler material), UV stabilizer
Inferential statistics
involves making conclusions based on outcomes of study
Carbon dioxide is primarily transported as _____ from tissues to the lungs.
bicarbonate
nasal cavity infection caused by what teeth
max molars and second premolars
Active immunity
when a person is directly exposed to a disease or organism, acquires the disease, and develops immunity to the pathogen.
The most common area for metastasis for prostate cancer is the
bone
A tingling sensation in the hands and wrist pain are symptoms associated with _____ syndrome.
carpel tunner
artificial immunity
vaccine
A posterior crossbite with a functional shift should be corrected
as soon as possible prior to palatal suture fusion.
The palatal suture can fuse as
early as 11 to 17 years old
Passive immunity
- when person received active antibodies from another source like nother to child passed through fetus or breast milk
buccal space infections caused by what teeth
bicuspid and molar infections
One of the most common musculoskeletal injuries in dentists is
trapezius muscle pain
What test is best to test Myocardial infarction
First lime: cardiac troponins (Troponin i and C) but they take 2 WEEKS to normalize
2ND LINE: CREATINE PHOSPHOKINASE-MB (CPK-MB) takes 48-72 HOURS after myocardial ischemia.
why titanium most modern dental implant
are biocompatible and have the ability to osseointegrate with bone.
Midline diastema under 2 mm closed by
canines
if more than 2 mm needs ortho treatment
Fin on tooth crown means
J-hook margin
most common caner in US for men
- skin cancer
- prostate cancer
permanent immunity
when active immunity last longer than passive (not common)
permanent premolars closes what
leeway space
Over time, the curve of Spee typically ______as the bite typically becomes deeper with age.
deepens
out of Gow-gates and akinosi which one anesthesize more nerves?
Gow-gates: it also does auricotemporal nerve
____ is the second most common oral infection
Aspergillosis is a fungal infection that presents as a black or yellow necrotic ulcerative lesion on the palate or posterior tongue
1st = candidiasis
dosage for diazepam for oral sedation before appointment?
one 5mg tablet at bedtime on the night before the dental appointment, or one 5mg tablet 1 hour before the appointment.
After an extraction, a bucco-lingual ridge collapse of ____% is expected.
40-60
routine test for pt with hepatitis
Alanine aminotransferase, alkaline phosphatase, and bilirubin tests
Alanine aminotransferase (ALT) is an enzyme the liver uses___?
Elevated alt means?
to make glycogen. Elevated ALT levels indicate active hepatocyte damage
Alkaline phosphatase (ALP) is an enzyme the body uses ??
Elevated ALP means
to break down protein. The liver is one of the main sources for ALP; therefore, elevated levels of it can suggest damage to the liver or hepatitis.
Nitrous contraindicated in pt
COPD, emphysma, upper respiratory infection but NOT asthma
myospasm
myospasm is a sudden, involuntary tonic contraction of a muscle
will present with pain at rest, active and passive restricted range of motion, and a muscle that is painful to palpation
what can be used to diagnose the symptoms of myospasm
Electromyography
The recommended follow-up for dental trauma involving subluxation or luxation ____ weeks
is two weeks.
why not give nitrous oxide to pregnant women
due to its ability to slow cell division and oxidize vitamin B12, a critical vitamin for folate synthesis.
steps after implant placement,
hemostasis
inflammation
proliferation
maturation/remodeling
time frame for hemostasis in implant placement
- inflammation
- proliferation
- maturation/remodelin
minutes to hours
inflammation: hours-seven das
proliferation: one-six weeks
- maturation/remodelin: six weeks-years
Wht happens in proliferation step of implant placeent
Junctional epithelium around implant evident at 2 weeks
Tissue maturation and collagen fiber organization are evident at 4-6 weeks
Formation of biologic width and barrier epithelium evident at 6 weeks
Mallory-Weiss tear
is a mucosal esophageal tear commonly where the stomach meets the esophagus at the gastroesophageal junction. This tear is most commonly caused by long term coughing or vomiting.
Boerhaave’s syndrome is a
spontaneous rupture of the esophagus caused by built up internal pressure associated with vomiting
Dental water lines should be flushed when?
2 min beginning of the day
and minnimum of 20 seconds between patients
Bacterial load should be less than 500 colonies forming units/mL
Rhematoid arthritis what type of hypersensitivity
type 3
Findings of Cerebrovascular accident (stroke)
BE FAST
B: Balance (dizziness, headache)
E: Eyes (loss of vision or blurry vision in one or both eyes)
F: Face (facial numbness or droop)
A: Arm (arm numbness or weakness)
S: Speech (difficulty with speech, slurred speech)
T: Time (to call 911)
Streptococcal pharyngitis causes
sore throat, temperature greater than 100.4°F, tonsillar exudate, and enlarged cervical lymph nodes.
Bacterial endocarditis occurs when bacteria
enters the bloodstream and travels to the heart. The bacteria attach to the damaged heart valves or tissue and cause a life threatening inflammation.
Viscous lidocaine (Lidoderm® ) is a t
topical local anesthetic that can be used for temporary pain relief.
A common oral side effect of radiation therapy is oral mucosa?
mucositis, which can lead to painful ulcerations and infections in the oral mucosa.
Overdentures supported by osseointegrated implants
increased maintainence of posterior alveolar bone
between maxilla and mandible which one has poor osseointegration and why?
maxillary overdentures have been shown to have slower and poorer osseointegration due to the decreased bone density found in the posterior maxilla.
tomes process
histologic landmark on secretory end of ameloblasts
Striae retzius
incremental growth lines found on developing enamel which represents successive apposition of enamel and weekly variation in mineralization
Herptetic whitlow
They resolve on their own
on your fingers
caused by herpes simplex virus
acyclovir are effective in early stage
latent resides in dorsal root ganglion
minimum amount of attached gingiva required for proper hygiene maintenance of an implant is
1mm attached gingiva, 2 mm keratinized gingiva
How can SSRis icrease bleding risk?
serotonin is inhibited which is imp for platelet function, resulting in blood clotting impairment
what is Amyloidosis and causes what?
Amyloidosis causes a build up of protein in the cardiac tissue.
most commonly causes restrictive cardiomyopathy
what is condylotomy done for
procedure where the mandibular ramus is cut vertically and the condyle is repositioned to increase joint space.
Vitamin K dependent factors
Fac 2, 7, 9, 10
(Factor 2: prothrombin)
Types of pain:
1. Neuropathic
2. Referred
3. Chronic
4. Psychosomatic
- Neuropathic pain is due to damage of the nervous system and is usually burning and tingling in sensation.
- Dental pain can be felt at a site other than the origin of the pain.
- Chronic pain is described as pain that lasts longer than 3 months despite medical intervention.
- person’s emotional and mental stress causes physical pain.
Rentention in detures for what type of forces
vertical displacement away from denture-bearing areas
- by direct retainer such as clasps
support detures for what type of forces
Support is the resistance to vertical movement of the denture base toward the ridge
-provided by rest seats
Vertical dimension of occlusion (VDO) is determined with
measurements from wax rims, facial esthetics, and phonetic tests.
stability detures for what type of forces
Resistance to horizontal or rotational forces
- provided by a metal framework and denture base
Structure in tooth bearing RPD is provided by
denture base and underlying framework
Glassgow coma scale
eye-opening, motor and verbal response
Wrought wire clasps are recommended
for teeth with concerns of providing too much stress or torque on the abutment teeth
Mallampati score assesses
how much of the patient’s soft palate and uvula is visible during tongue protrusion.
radix paramolars
additional third root located mesiobuccally
radix entomolaris
additional third root located distolingual in the mandibular first molar
Intracoronal clasps
indicated for extreme esthetic demands, do not provide stress relief to distal extension RPDs
Behcet’s disease symptoms
oral lesions, knee enlargement, and neck swelling.
Zirconia crystal structure that is disorganized and is opaque
monoclinic
zirconia crystal structure that is more ordered configuration and increased tanslucency
cubic phase
zirconia crystal structure that is formed by heated monoclinic zirconia and stabilizer
tetragonal
difference between indirect pulp cap and direct pulp cap
Indirect: when not pulp exposure you see pinkish : use Calcium hydroxide
Direct: when pulp exposure: use MTA
Hypopnea
decreased breathing with:
1. Over a 30% reduction in airflow
2. Lasting 10 seconds or more
3. 4% or greater desaturation in oxygen levels
IN OSA, F/M more prone?
Male 2-3 times
Key symptoms of hypothyroidism
Lethargy
Key symptoms of hyperthyroidism
increase appetite, insomnia, anxiety
Synersis
decrease/shrinkage of material due to loss of water
Inhibition
increase in size through absorption of water
