Study Dental Technician Volume 1 Flash Cards

 
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Dental Technician Volume 1

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What is the main function of the cementum?
TO ANCHOR THE TEETH TO THE BONY WALLS OF THE TOOTH SOCKETS IN THE PERIODONTIUM
Joins the enamel at the cervix of the tooth?
CEMENTUM
What color is cementum?
LIGHT YELLOW
Is the bonelike tissue that covers the
roots of the teeth in a thin layer?
CEMENTUM
Is harder than bone but softer than
enamel?
DENTIN
How much crushing pressure can enamel endure?
100,000 POUNDS PER SQUARE INCH
What is the hardest tissue in the human body?
ENAMEL
Is the calcified substance that covers the entire anatomic crown of the tooth and protects the dentin?
ENAMEL
Joins the enamel at the cervix of the tooth?
THE CEMENTUM
Is a slight indentation that encircles the tooth and marks the junction of the crown with the root?
THE CERVIX OR CERVICAL LINE
On the apex of each root, there is a small opening that allows for the passage of blood vessels and nerves
into the tooth. This opening is called?
APICAL FORAMEN
The tip of each root is called?
APEX
If a tooth has four or more roots,
it is said to be?
MULTIROOTED
When it has three roots, the root portion is said to be?
TRIFURCATED
When a tooth has two roots, the root portion is said to be?
BIFURCATED
When teeth have more than one root, the region where the roots separate is called the?
FURCATION
As a person gets older, it becomes common for a tooth’s enamel to be completely exposed above the
gingiva and to have root surface showing. This is known as?
GINGIVAL RECESSION
Portion of the tooth encased in enamel?
ANATOMICAL CROWN
The crown of a tooth is divided into two parts called?
-ANATOMIC CROWN
-CLINICAL CROWN
A tooth is divided into two parts called?
CROWN AND ROOTS
The study of anatomy that deals with
the minute structure, composition, and functions of tissues?
ORAL HISTOLOGY
When does dental development usually begin?
AROUND THE 5TH OR 6TH WEEK OF PARENTAL LIFE
What is the term emergence used to describe?
DESCRIBES THE TOOTH AS IT BREAKS THROUGH THE GINGIVAL TISSUE
How many developmental processes do teeth go through?
3
What is another word for tooth formation?
ODONTOGENESIS PHASE
What happens in the third stage of deglutition? (swallowing)
THE PASSAGE OF FOOD INTO THE STOMACH
What happens in the third stage of deglutition? (swallowing)
PASSAGE OF FOOD THROUGH THE PHARYNX INTO THE BEGINNING OF THE ESOPHAGUS
What happens in the first stage of deglutition? (swallowing)
THE COLLECTION AND SWALLOWING OF MASTICATED FOOD
How many phases are there in deglutition? (swallowing)
3
The swallowing of food?
DEGLUTITION
The grinding of food is usually performed by which teeth?
MOLARS & PREMOLARS
How much saliva does the salivary glands produce on a day to day basis?
2-3 PINTS
Where are the teeth located in the mouth?
THE ALVEOLAR PROCESS OF THE MAXILLAE AND THE MANDIBLE
What is the function of the palatine tonsils?
THEY ASSIST THE BODY TO PROTECT AGAINST INFECTION
Located in the posterior part of the mouth, on both sides of the tongue, are two masses of lymphatic tissue called the?
PALATINE TONSILS
Where is the UVULA located?
ON THE BACK PORTION OF THE SOFT PALATE
This section forms a soft muscular
arch in the posterior part of the palate?
SOFT PALATE
This section is formed by the
palatine process of the maxillary bones and is located in the anterior portion of the roof of the mouth. It has irregular ridges or folds behind the central incisors called rugae?
HARD PALATE
The palate of the mouth is divided in two sections called?
HARD PALATE & SOFT PALATE
What is the palate of the mouth?
FORMS THE ROOF OF THE MOUTH
They provide the tongue with friction
in handling food and also act as taste buds?
PAPILLAE
On the surface of the tongue are rough projections called?
PAPILLAE
Anchors the tongue in the midline to the floor of the mouth?
LINGUAL FRENULUM
Located on the underneath side of the tongue is the?
LINGUAL FRENULUM
Is a vascular, thick solid mass of voluntary muscle surrounded by a mucous membrane (epithelium tissue)?
THE TONGUE
The area of the external lips where the red mucous membrane ends and normal outside skin of the face begins is known as the?
VERMILION BORDER
Prevents food from escaping the chewing action of the teeth?
BUCCINATOR MUSCLE
The knuckle-shaped portion of the
mandibular ramus found on the end of the condyloid process. It is positioned underneath the glenoid fossa and makes up the hinge joint of
the TMJ?
CONDYLE
Ramp-shaped segment of
the temporal bone located anterior to the glenoid fossa?
ARTICULAR EMINENCE
Oval depression in the temporal
bone that articulates with the mandibular condyle?
GLENOID FOSSA
The temporal mandibular joint (TMJ) consists of three bony parts called?
GLENOID FOSSA
ARTICULAR EMINENCE
CONDYLE
What is the function of the malleus, incus, and staples?
TRANSMIT AND AMPLIFY VIBRATIONS TO THE EAR DRUM AND INNER EAR.
In each middle’ ear and located in the auditory ossicles are three small bones named the?
MALLEUS, INCUS, STAPLES
This is a common area where the dental officer will inject anesthetic to block the nerve impulses and make the teeth on that side insensitive (numb)?
MANDIBULAR FORAMEN
Located near the center
of each ramus on the medial side
MANDIBULAR FORAMEN
Juncture where the body of the mandible meets with the ramus?
ANGLE
The heavy, horizontal portion of the
mandible below the mental foramen extending from the
angle to the parasyplysis region?
BODY
Located on the facial surfaces
of the mandible on both the right and left sides, just below the second premolars. This opening contains the
mental nerve and blood vessels?
MENTAL FORAMEN
Also referred to as the chin and is located at the midline of the mandible?
MENTAL PROTUBERANCE
Supports the teeth of the mandibular arch?
ALVEOLAR PROCESS
Located anterior of the condyle, and provides attachment for the temporal’s
muscle, which helps lift the mandible to close the mouth?
CORONOID PROCESS
Located posterior on the ramus and forms the head of the mandible. It is knuckle-shaped, and articulates in the glenoid fossa of the temporal bone to form the temporal mandibular joint?
CONDYLOID PROCESS
The rami are divided into two different processes called?
-Condyloid process
-Coronoid process
The mandible is horseshoe-shaped, with an upward sloping portion at each end called the?
RAMUS
Is the longest, strongest, and the only movable bone in the skull?
THE MANDIBLE
is a thin, flat, single bone almost trapezoid in shape. It connects with the ethmoid bone and together they form the nasal septum?
VOMER BONE
Are curved, fragile, scroll-shaped bones that lie in the lateral walls of the nasal cavity. They provide support for mucous
membranes within the nasal cavity?
INFERIOR NASAL CONCHAE
Are small oblong bones somewhat
rectangular in shape. They lie side by side and are fused at the midline to form the bridge of the nose?
NASAL BONES
Scale like structures are located in back of the frontal process of the maxilla?
LACRIMAL BONES
Are the smallest and most fragile of the cranial bones?
LACRIMAL BONES
Make up the prominence of the cheeks and extend from the zygomatic process of the temporal bone to the zygomatic process of the maxilla?
ZYGOMATIC BONES
Are somewhat L-shaped and form the posterior portion of the hard palate and the floor of the nose. Anteriorly, they join with the maxillary bone?
PALATINE BONES
Are the largest bones of the face and together form the upper jaw?
MAXILLAE BONES
The facial skeleton consists of how many bones?
14 STATIONARY BONES
Is situated in front of the sphenoid bone in the front part of the cranium?
ETHMOID BONE
Forms the back part of the skull and the base of the cranium. It joins with the parietal and temporal bones?
OCCIPITAL BONE
Form the sides and part of the
base of the skull in the area of the ear?
TEMPORAL BONES
forms the front part of the skull
above the eyes, which includes the forehead and part of the nasal cavity?
FRONTAL BONE
The cranium is formed by how many cranial bones?
8
all skull bones are joined together firmly along seams called?
SUTURES
The lower jaw is known as the?
MANDIBLE
The upper jaw in known as the?
MAXILLA
Primarily involved in housing and protecting the brain?
CRANIUM
The skull consists of how many bones?
28
The long bones of the arms and legs are?
CARTILAGINOUS BONES
Surrounds each bone and provides nourishment through many vascular vessels?
PERIOSTEUM
A thin layer of connective tissue is called?
PERIOSTEUM
Where are the majority of blood cells produced?
IN BONE MARROW FOUND IN LONG BONES

EX: FEMUR, THIGH BONE
Another term for chewing is?
MASTICATION
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