what classes involve incisors?
I,III,IV,V,VI
3 classifications of impressions are..
preliminary,final and occlusal or bite registration
alginate
the irreversible hydrocolloid material used most widely for preliminary impressions is
alginate impression pour time
1hour
imbibition
alginate stored in water will absorb water and expand
quadrant
a tray that covers half arch
utility wax
length or depth of the alginate impression tray borders can be extended by adding it to the tray
elastomeric
impression material used when an extremely accurate final impression is essential
putty material
elastomeric material with highest viscosity
polysiloxan
elastomeric impression material with best dimensional stability
high strength stone
gypsum product used for creation of dies
model plaster
highest water to powder ratio
trimmed maxillary model
pointed at anterior portion
trimmed mandibular model
rounded at anterior portion
articulator
simulates patients centric occlusion
gypsum
minderal that is used in the formation of plaster and stone
agar
organic substance derived from seaweed
catalyst
the accelerator
polysulfide
strong oder, stains clothes
polyether
water, saliva and blood affect material
lesion
abnormal tissues in the oral cavity
developmental disorder
when cells of the body divide and a deformity of a part of the body occurs
blister
form of lesion that extends above the mucosal surface
aminopterin
a drug that is a known teratogen involved in congenital malformations
2 sections of human skull
cranium and face
glenoid fossa
place in which the condyloid process of the mandible lie
anterior superior alveolar nerve
innervates the maxillary central,lateral and canine teeth
hyoid bone
only bone in the human body that does not articulate with another bone
trigeminal nerve
primary source of innervation for the oral cavity
philtrum
rectangular area between the two ridges running under the nose to the midline of the upper lip
labial commisure
angle at the corner of the mouth
linea alba
white ridge of raised tissue on the buccal mucosa which extends horizontally at the level where the maxillary and mandibular teeth come together
vestibule
space between the teeth and the inner mucosal lining of the lips and cheeks
mixed dention begins
with eruption of the first permanent tooth
permanent dention period begins
at about 12 yrs old when the last primary tooth is lost
contact area
area where mesial or distal surfaces of the tooth touch the adjacent tooth in the arch
permanent maxillary first molar
key to Angles classification system for occlusion and maloclussion
mamelons
rounded enamel extensions on the incial ridge of newly erupted central and lateral incisors
3rd molars and maxillary lateral inscisors
vary in form more than any other teeth in mouth
smallest teeth
mandibular central incisors
permanent premolars
replace the primary first and second premolars
maxilllary first premolar
has 2 bifurcated roots
permanent maxillary molars
have 3 roots
cusp of Carabelli
found on the maxillary first molar
regulatory agency
issues rules and regulations with which dental offices must comply
OSAP
premier infection control agency in dentistry
CDC
leading federal agency in protecting peoples health and safety at home or abroad
Centers for Disease Control and Prevention
infection control procedures practiced in dentistry today are based on the Guidlines for Infection Control in Dental Health Care Settings 2003 issues by them
EPA
governmental regulatory agency that ensures the safty and effectiveness of disinfectants associated with dentistry
OSHA
the federal regulatory agency responsible for ensuring the safety and health of Americas workers and for setting and enforcing protective standards that employers must follow
OSHA standards for dentistry
bloodborne pathogens standard and hazard communication standard
NIOSH
only federal institute responsible for conducting research and making recommendations for the prevention of work related disease and injury
non regualtory agency
CDC
wates are hazardous if
theyre ignitable
EPA
governement agency that enforces the disposal of regulated waste
1500
bacteria in biofilm are up to___times more resistent to chemical germicides than planktonic bacteria
embryology
study of prenatal development
histology
study of the structure and function of the tissues at the microscopic level
stages of prenatal development
preimplantation, embryonic and fetal periods
embryo is 5-6 wks old
when the first signs of tooth devlopment are found in the anterior mandibular region of developing embryo
desposition
process of laying down new bone
osteoblasts
cells that acomplish desposition
3 periods of odontogenesis
growth, calcification and eruption
ameloblasts
enamel forming cells
anatomic crown
portion of tooth that is covered with enamel
radicular pulp
is continuous with tissues of the periapical area via an apical foramen
alveolar processes
extensions of the bone of the mandible and maxilla that support the teeth in their functional positions in the jaws
Sharpeys fibers
embedded portions of the periodontal ligament fibers that connect the cementim of the tooth and the bone
stratified squamos
oral mucosa is composed of _____ epithelium overlying connective tissue
masticatory mucosa
tough light pink keratinized tissue that covers the hard palate and includes the attached gingiva
periodontal ligaments
connects the cementum and alveolar bone within the periodontium
high sugar intake
presence of lactobacilli in patients mouth indicates this
caries process requires
susceptible tooth, diet rich in fermentable carbs and specific bacteria
demineralization
dissolution of calcium and phosphate from hydroxyapatite crystals
periodontium
made up of the structures that surround support and attach to teeth
periodontal disease
leading cause of tooth loss in adults
spore
most resistant form of life
protoza
large group of one celled organisms found in fresh water and marine habitats and moist soil
oral candidiasis
opportunistic infection caused by yeast
antibiotics
ineffective in treating disease caused by viral infections
syphilis
sexually transmitted through contact with oral lesions
CDC and OSHA
2 federal agencies that play important roles in infection control in dentistry
three
OSHA Bloodborne Pathogens Standard has how many categories of occupational exposure for employee working in the dental office
disinfectants
chemicals that destroy or inactivate most species of pathogenic microorganisms on inanimate surfaces
disinfectants must
be registered with the EPA and be registered as hospital disinfectants with tuberculocidal claims
iodophors
may be used for surface disinfectant in the dental office
sterilization
the process that kills all microganisms including bacterial spores
Rhoetgen
discovered radiographs
Ida Rollins
first african american to earn dds
Hesi Re
earliest recorded dentist
Pierre Fauchard
father of modern dentistry
Ambroise Pare
father of modern surgery
Hippocratic Oath
to act ethically
Hippocrates
father of medicine
Paul Revere
used forensic evidence first-began science of forensic dentistry
Chapin Harris
found first dental school
Edmund Kells
employed first dental assistant
Horace Wells
used nitrous oxide first
Emiline Jones
first female dentist
Lucy Hobbs
first women to graduate from dental school
HIPPA
specifies federal regulations ensuring privacy regarding a patients healthcare information
reciprocity
system that allows individuals in one state to obtain a license in another state without retesting
proteins
key nutrient that helps build an repair the human body
8
how many amino acids are essential
b complex vitamins
water soluble vitamins
aerobes
require oxygen to grow
contaminated needle
regulated waste
5
how many years must training records be kept on file
ethics
issues that are subject to individual interpretation
dentist refers a patient
when the case is unusual and beyond his area of expertise
TEAM
together everyone accomplishes more