Dental Assistant - Tooth Morphology
Study Guide with Complete Solutions
Dentition - Answer✔️✔️-Natural teeth in the dental arch
Anatomy - Answer✔️✔️-the science dealing with the structure of animals
and plants
Morphology - Answer✔️✔️-Branch of biology dealing with the form and
structure of animals and plants; form and structure of an organism or any
of its parts
teeth - Answer✔️✔️-Hard mineralized appendages that are found in jaws
A tooth is made up of three elements which are - Answer✔️✔️-water,
organic materials, inorganic materials
Functions of teeth - Answer✔️✔️-mastication (chewing), speech, aesthetics,
the integrity of alveolar bone, the integrity of dental arches
Mastication - Answer✔️✔️-chewing
alveolar bone - Answer✔️✔️-bone that supports and encases the roots of
teeth
Two dental arches - Answer✔️✔️-maxillary arch and mandibular arch
Maxilla - Answer✔️✔️-upper jaw
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Mandible - Answer✔️✔️-lower jaw; the only moveable bone in the skull
temporomandibular joint (TMJ) - Answer✔️✔️-The temporomandibular joint
is a ball and socket joint that allows the mandible to move to talk, chew,
swallow, yawn
Midline - Answer✔️✔️-An imaginary line drawn down the center of the face
and head, dividing it into right and left halves.
quadrant - Answer✔️✔️-Dentition divided into four (contain the same
number and types of teeth)
Quadrant one - Answer✔️✔️-Right maxillary
Quadrant two - Answer✔️✔️-Left maxillary
Quadrant three - Answer✔️✔️-Left mandibular
Quadrant four - Answer✔️✔️-Right mandibular
occlusion - Answer✔️✔️-relationship between the maxillary (upper) and
mandibular (lower) dental arches and the positioning of individual teeth
Two dentitions - Answer✔️✔️-primary (baby) and permanent (adult)
Mixed dentition - Answer✔️✔️-A mixture of permanent teeth and primary
teeth that occurs until all primary teeth have been lost, usually between the
ages of 6 and 12.
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