Module 4 Flashcards
Lamina Dura is also called _______ or ______?
Alveolar Bone Proper
Cribiform Plate
The alveolar bone proper lines the _____?
tooth socket
The alveolar bone proper only exists when?
there is a tooth present
Tooth loss = _______ of alveolar bone proper?
atrophy
What are the small perforations in the lamina dura called?
Volkmann Canals
The cancellous bone lies?
between facial/lingual cortical bone and the lamina dura.
Cancellous Bone is also called?
spongy/medullary bone
The cancellous bone forms _____ for alveolar bone proper and is ______ like?
support
lattice
What forms the outer external facial and lingual plates of bone?
Compact bone/Cortical plate
The _____ is formed when facial and lingual cortical plates join?
alveolar crest
The ________ usually has thicker Cortical Plates?
Mandible
What are 2 common defects found in the cortical plates?
fenestrations
dehiscence
What covers the outer surface of the alveolar bone?
periosteum
The______ _____ is an indicator of periodontal health?
Crestal Contour
The Alveolar Crest (kids) is _____ mm apical to the CEJ?
0.75-1.5
The Alveolar Crest (adults) is _____mm apical to the CEJ?
1.5-2.0
An isolated area where the root is “viewed through a window” of bone is termed a?
fenestration
A denuded area extending through the marginal bone is termed a?
Dehisence
What is needed to address/correct a fenestration or a dehiscence?
Periodontal Therapy
_____ are bone forming cells?
Osteoblasts
_____ are bone resorbing cells?
Osteoclasts
The nerve supply to the periodontium is via the _______ Nerve?
Trigeminal (V)
The teeth and the PDL on the Maxillary arch are innervated by the?
PSA, MSA, ASA
The teeth and the PDL on the Mandibular arch are innervated by the?
Inferior Alveolar Nerve
The Gingiva of the Maxillary arch are innervated by the?
PSA, MSA, ASA, Infraorbital, GP, NP
The Gingiva of the Mandibular arch are innervated by the?
Mental, Buccal, and Sublingual branches of the Lingual nerve
