Anatomy - Obj 1.1 - 1.5 (Week 1 PP) Flashcards
What is anatomy? importance for DA?
Anatomy is the study of the human body’s shape and structure. Sciences form the foundation of a dental assistant’s care; therefore, it is important for the dental assistant to understand the body’s
basic shape and structure
Nomenclature
system of naming in science
anatomical position
1) standing erect
2) toes pointed forward and feet flat on the floor
3) eyes directed to the horizon facing observer
4) arms by the sides with palms facing forward.
Medial
toward the midline of the body
- Lateral
away from the midline of the
body structure.
- Proximal
close to a point of attachment
or closer to the trunk of the body
- Distal
further from a point of
attachment of further from the trunk of
the body
superior
higher
inferior
lower
Midsagittal plane
: is a vertical
plane that divides the body into equal
right and left halves.
Parasagittal plane
is any vertical
plane that does not pass through the
midline of the body and divides the
body into unequal right and left
portions.
Frontal/Coronal plane
divides the
body into anterior and posterior
portions.
Horizontal/transverse plane
is the plane that divides the body into
superior and inferior portions.
2 dental arches
maxillary arch - upper arch
mandibular arch - lower arch
Anterior teeth
- teeth toward the front of the
mouth
typically include the central incisors,
lateral incisors, and canines.
- Posterior teeth
teeth toward the back of the
mouth
in the primary dentition include both the
first and second molars.
* In the permanent dentition, the posterior teeth include first and second premolars and all three molars