Term
| What are the tissues of the periodomtium? |
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Definition
1.gingiva
2.cememtum
3.PDL
4.alveolar bone |
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Term
| What is the periodontium? |
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Definition
| functional unit of tissues that surround the teeth and attaches teeth to bone |
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Term
| What does the gingiva do? |
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Definition
-provides a tissue seal around the cervical portion of the tooth
-holds tissue against tooth during mastication |
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Term
| What are the layers of the gingiva? |
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Definition
-thin outer layer of epilthelium
-underlying cor of connective tissue |
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Term
| What does stippling indicate? |
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Definition
| attached gingiva, it attaches to underlying bone through stippling |
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Term
| What is the free gingival groove? |
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Definition
| linear depression that separates free and attached gingiva |
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Term
| What is the muccogingival junction? |
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Definition
| boundary where attached gingiva(pink) meets alveolar mucosa(red) |
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Term
| If free gingiva located coronal or apical to the CEJ? |
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Definition
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Term
| How does free gingiva fit around the tooth in health? |
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Definition
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Term
| What does free gingiva form in the sulcus? |
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Definition
| the soft tissue wall of the sulcus |
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Term
| What is the coronal portion of the free gingiva? |
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Definition
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Term
| Where is the attached gingival widest and narrowest? |
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Definition
widest-incisor and molar regions
narrowest- in premolar regions |
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Term
| What is the color and texture of the attached gingiva? |
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Definition
color-pale or coral pink
texture-stippled |
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Term
| when do we see Melanin in the gingival coloring? |
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Definition
| Found in darker skinned people, its healthy just darker. |
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Term
| What is the Mechanical function of the attached gingiva? |
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Definition
| allows gingival tissue to withstand mechanical forces form chewing, speaking, and toothbrushing. |
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Term
| What is the preventative function of the attached gingiva? |
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Definition
| prevents the free gingiva from being pulled away from tooth when tension is applied to alveolar mucosa. |
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Term
| what is the interdental gingiva? |
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Definition
| the part of the gingiva that fills the area between 2 adjacent teeth apical to the contact area. |
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Term
| what is the appearance of the anterior interdental gingiva? |
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Definition
|
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Term
| what is the appearance of posterior interdental gingiva? |
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Definition
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Term
| what is the main mechanical function of the interdental gingiva? |
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Definition
| to prevent food from becoming packed between teeth during mastication. |
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Term
| What type of tissue is the COL? |
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Definition
| non-keratinized tissue, susceptible to disease. |
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Term
| Where is the COL located? |
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Definition
concavity located directly apical to contact.
where facial and lingual papilla meet
Absent at edentulous or open contact areas |
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Term
| What is the gingival sulcus? |
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Definition
| space between free gingiva and tooth surface. |
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Term
| what is a clinically normal sulcus? |
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Definition
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Term
| what forms the base of the sulcus? |
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Definition
| formed by the junctional epithelium |
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Term
| what function does the periodontal ligament serve? |
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Definition
| suspends and maintains tooth in socket. |
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Term
| what is the periodontal ligament? |
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Definition
| layer of soft connective tissue that covers the root of the tooth |
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Term
| what does the PDL attach? |
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Definition
| the root of the tooth to the alveolar bone. |
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Term
| what is the PDL comprised of? |
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Definition
| composed of fiber bundles |
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Term
| where are the PDL fibers located? |
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Definition
| they are embedded in cementum of root and alveolar bone. |
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Term
| what are the 5 functions of the PDL? |
|
Definition
supportive
sensory
nutritive
formative
resorptive |
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Term
| what does the supportive function the the PDL do? |
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Definition
| suspends and maintains tooth in socket, (shock absorbs) |
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Term
| what does the sensory function of the PDL do? |
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Definition
| provides pressure and pain sensory feeling to the tooth. (pressure is not pain) |
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Term
| what does the nutritive function of the PDL do? |
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Definition
| provides nutrients to cementum and bone |
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Term
| what is the formative function of the PDL do? |
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Definition
| builds and maintains cementum and alveolar bone |
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Term
| what does the Resorptive function of the PDL do? |
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Definition
| remodels alveolar bone in response to pressure |
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Term
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Definition
| thin layer of hard, mineralized tissue that covers surface of anatomical root. |
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Term
|
Definition
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Term
| where is cementum located? |
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Definition
| over the dentin on the root of the tooth, to protect dentin. |
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Term
| what is bone like but more resistant to resorption than bone? |
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Definition
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Term
| Does cementum have its own blood supply? |
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Definition
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Term
| Can cementum be deposited continuously? |
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Definition
|
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Term
| What are the 3 Cementum feeling classes? |
|
Definition
Overlap
Butt
Exposed dentin |
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|
Term
| what % is show with Overlap cementum? |
|
Definition
|
|
Term
| what % is shown in Butt Cementum class? |
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Definition
|
|
Term
| what % is shown with an exposed dentin cementum class? |
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Definition
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Term
| what forms the bony socket that houses the roots of teeth? |
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Definition
| the Alveolar Bone (alveolar process) |
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Term
| what does the existence of alveolar bone depend on? |
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Definition
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|
Term
| extractions can lead to what in the bone? |
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Definition
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Term
| What is the alveolar bone proper called Radiographically? |
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Definition
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Term
| What kind of bone is Cortical Bone? |
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Definition
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Term
| What kind of bone is cancellous trabecular bone. |
|
Definition
|
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Term
|
Definition
| layer of soft connective tissue covering outer surface of bone |
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Term
| what allows blood vessels to connect structures in the alveolar bone proper? |
|
Definition
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Term
|
Definition
| the bony socket that houses the root of the tooth |
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Term
| what is embedded in the alveolar bone proper? |
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Definition
| the ends of the periodontal ligament fibers |
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Term
| what is the layer of compact bone that forms the hard outside wall of jaws of facial and lingual? |
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Definition
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Term
| what surrounds alveolar bone proper and gives support to socket. |
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Definition
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Term
| where is the cortical bone thinnest? |
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Definition
| in incisor, canine, premolar area |
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|
Term
| where is the cortical bone the thickest? |
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Definition
|
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Term
| does the cortical bone shoe up on radiographs? |
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Definition
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|
Term
| where is a healthy alveolar crest located? |
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Definition
|
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Term
| what is Spongy, lattice- like bone filler between cortical bone and alveolar bone proper? |
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Definition
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Term
| where is cancellous Bone? |
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Definition
| oriented around tooth to form support for alveolar bone proper |
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Term
| where is cancellous Bone? |
|
Definition
| oriented around tooth to form support for alveolar bone proper |
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Term
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Definition
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Term
| what consists of collagenous tissue and an inner layer of elastic fibers? |
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Definition
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Term
| what nerve supplies the periodontium? |
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Definition
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Term
| where are the nerve receptor that branch from the Trigeminal Nerve? |
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Definition
gingiva
alveolar bone
periodontal ligament |
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Term
| what is the function of these nerve receptors? |
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Definition
| to convey pain, touch, and pressure |
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|
Term
| what does the periodontal ligament nerve provide? |
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Definition
| sensory information about tooth movement and position. |
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Term
| What are the Nerve supplies in the Gingiva of the Maxillary arch? |
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Definition
Superior Alveolar Nerves (anterior, middle and posterior branches)
Infraorbital Nerve
Greater Palatine Nerve
Nasopalatine Nerve |
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Term
| What are the Nerve supplies in the Gingiva of the Mandibular arch? |
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Definition
Mental Nerve
Buccal Nerve
Sublingual branch of the lingual nerve |
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Term
| when thinking of placement of anesthesia what nerve should be focused on in the Maxillary arch? |
|
Definition
Superior Alveolar Nerves
(Anterior, Middle, and Posterior Branches) |
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|
Term
| when thinking of placement of anesthesia what nerve should be focused on in the Mandibular arch? |
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Definition
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|
Term
| what accounts for the change in color of the gingiva seen in health and disease? |
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Definition
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Term
| What does the blood supply do? |
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Definition
| Transports oxygen and nutrients to tissue cells |
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|
Term
| what does the blood supply do in the detoxification process? |
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Definition
| Removes carbon dioxide and other waste products |
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Term
| What is the Lymphatic System? |
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Definition
| network of lymph nodes connected by lymphatic vessels |
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Term
| What plays an important role in the body's defense against infections? |
|
Definition
| the lymphatic system (lymph nodes) |
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Term
| what is the function of the lymphatic system? (eliminate?) |
|
Definition
to eliminate:
Bacteria
Fungi
Viruses
unwanted substances |
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|
Term
| what lymph nodes drain most of the periodontal tissue? |
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Definition
|
|
Term
| What lymph nodes drain the palatal gingiva? |
|
Definition
|
|
Term
| what lymph nodes drain the gingiva in area of mandibular incisors? |
|
Definition
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|
Term
| What lymph nodes drain the gingiva in 3rd molar region? |
|
Definition
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