ANATOMY & PHYSIOLOGY
Bone that is honeycomb like
What is Cancellous bone
aka spongy bone
The most critical time of prenatal development
What is the embryonic period
A condition where the filiform papillae become elongated and resemble hairs
Black Hairy Tongue
Normal Space between the primary teeth
What is physiologic spaces
What happens when the developer is too hot
What is dark film
The facial expression muscle used when the patient closes their lips around the saliva ejector
What is Orbicularis oris
What embryonic layer is where enamel is formed
What is the ectoderm layer
When the maxillary and medial nasal processes fail to fuse
What is cleft lip
Each tooth has 2 antagonists in the opposing arch, except
What is mandibularcentral incisor
Maxillary third molars
An unbalanced structure whether it is gaining or losing an electron
What is ions
The salivary gland that secretes 60-65% of saliva
What is the Submandibular Salivary Gland
These dark incremental growth lines in enamel resemble tree rings
What are Striae of Retzius
A disease of the teeth during development that is associated with maternal syphilis
What is Hutchinsons Incisors
This molar is often referred to as the "cusp of Carabelli" molar because of its distinctive fifth cusp on the mesiolingual surface
What is the maxillary first molar
Limits the size of an x-ray beam
What is lead collimator
The bone that forms the anterior part of the base of the skull
What is the Sphenoid Bone
These fibers, embedded in cementum, attach the tooth to the alveolar bone
What are Sharpey's Fibers
When a tooth has 2 crowns but only 1 root
What is Gemination
The permanent maxillary tooth that erupts between ages 11-12 years old
What is cainine
The most commonly used amount of milliampearage used in x-rays
10 mA
The most common cause of limitation of TMJ movement
What is Trismus
These microscopic channels extend from the pulp to the DEJ and house odontoblastic processes
What are dentinal tubules
What defect of the dentin causes teeth to appear opalescent, almost amber in colour
What is dentinogenesis imperfecta
This anomaly describes a lingual pit that may extend into the pulp of a maxillary lateral incisor, posing a caries risk.
What is dens in dente
Digital equivalent of silver halide crystals
What is pixel