Ch 1- 5
Human tissues are classified into four primary groups. What are they?
Connective, Epithelial, Nerve, Bone
Name the 4 stages of odontogenesis
Initiation, bud, cap, bell
enamel and dentin inorganic/mineralized content
96%, 70%
facial development forms around ____, which will eventually become _____.
stomodeum, oral and nasal cavities.
The three types of lingual papillae associated with taste buds
fungiform, foliate, circumvallate
Name 5 organelles of a cell
nucleus, mitochondria, smooth/rough ER, ribosomes, golgi body, lysosomes,
What are the 3 layers that make up the embryonic body?
Mesoderm, Endoderm, Ectoderm
purpose of the PMN (polymorphonucleocyte) in the presence of infection
phagocytosis
chemotaxis
release cytokines
3 types of oral mucosa
lining, masticatory, and specialized
covers both the supporting soft and hard dental tissue between the tooth and the alveolar process, as well as parts of the tooth and alveolar process.
periodontium
What are the 3 embryonic developmental periods and their timelines?
Preimplantation- first week after fertilization
Embryonic- beginning of week 2 to end of week 8
Fetal - week 9 to end of pregnancy
At what week is the final palate complete after fusion of all three processes?
week 12
The four zones of pulp are
Pulpal core
Cell free zone
Cell rich zone
Odontoblastic layer
cells of pulp
fibroblasts, odontoblasts
The 3 paired ligaments associated with TMJ
Temporomandibular, stylomandibular, sphenomandibular
Which layer of tooth composes most of the tooth?
Dentin
The structure responsible for root development is the
Cervical loop
types of dentin
covers buccal mucosa, labial mucosa, alveolar mucosa, floor of the mouth, soft palate, mucosa of the ventral of the tongue
lining mucosa
2nd most common cause of facial pain
TMJ/TMD disorders, #1 is toothache
Pulp and dentin are both derived from
dental papilla of tooth germ
4 parts of the periodontium
Cementum, PDL, bone, gingiva
four layers of enamel organ
stellate reticulum/inner enamel epithelium/stratum intermedium/outer enamel epithelium
Parotid gland
Submandibular gland
Sublingual gland
associated duct/ salivary volume/ serous or mucous
stensons/25%/ serous - largest
whartons/60-65%/ serous
bartholins/10%/ mucous - only uncapsulated/smallest
TMJ prenatal development times
TMJ develops in 2 phases within 7th-12th week of prenatal development. Maturation of the joint occurs after 12th week during 3rd phase.