Dental Assisting Semester 2 Final – Focused Study Guide

Frontal Bone

Bone that forms the forehead and upper eye sockets.

Parietal Bones

Two bones that form the top and sides of the skull.

Temporal Bones

Two bones located on the sides of the skull near the ears.

Occipital Bone

Bone that forms the back and base of the skull.

Sphenoid Bone

Known as the 'keystone' bone of the skull.

Ethmoid Bone

Bone located between the eyes and contributes to the nasal cavity.

Maxilla

Bone that forms the upper jaw.

Mandible

Bone that forms the lower jaw.

Zygomatic Bone

Bone that forms the cheekbones.

Nasal Bone

Bone that forms the bridge of the nose.

Labial

Toward the lips.

Buccal

Toward the cheeks.

Mastication

The act of chewing.

TMJ

Joint connecting the mandible to the temporal bone.

Intraoral

Located inside the mouth.

Extraoral

Located outside the mouth.

Fluoride

Mineral that strengthens enamel and prevents cavities.

Radiograph

Image produced by dental X-ray.

Permanent Teeth

Adult teeth; 32 in total.

Primary Teeth

Baby teeth; 20 in total.

Anterior Teeth

Front teeth including incisors and canines.

Posterior Teeth

Back teeth, including premolars and molars.

Maxillary Arch

The upper arch of teeth.

Mandibular Arch

The lower arch of teeth.

Ramus of Mandible

Vertical portion of the lower jaw.

Vital Signs

Measurements of essential body functions.

Mesial

Surface of the tooth toward the midline.

Distal

Surface of the tooth away from the midline.

Occlusal Surface

Chewing surface of posterior teeth.

Incisal Surface

Cutting edge of anterior teeth.

Lacrimal Bone

Bone that forms part of the tear duct area.

Palatine Bone

Bone that forms the hard palate.

Vomer Bone

Bone that forms part of the nasal septum.

Inferior Nasal Conchae

Bones that form part of the nasal cavity.

Water Flosser

Device used to flush debris and plaque.

Tongue Scraper

Tool that removes bacteria from the tongue.

Antimicrobial Rinse

Mouthwash used to manage gum disease.

Interdental Brushes

Brushes used to clean large spaces between teeth.

Electric Toothbrush

Toothbrush designed for users with limited dexterity.

Fluorosis

Condition caused by excessive fluoride, leading to white or brown spots on enamel.

PID

Position-indicating device used during X-ray exposure.

Lead Apron

Protective garment worn by patients during X-ray procedures.

Mounting

The process of arranging radiographs correctly.

Dental Charting Symbols

Symbols used to indicate conditions and treatments on dental charts.

Treatment Needed

Indicated by red markings on dental charts.

Existing Work

Indicated by blue markings on dental charts.