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  2. Carrier-sense multiple access - Wikipedia

    en.wikipedia.org/wiki/Carrier-sense_multiple_access

    P-persistent This approach lies between the 1-persistent and non-persistent CSMA access modes. [1] When the transmitting node is ready to transmit data, it senses the transmission medium for idle or busy. If idle, then it transmits immediately. If busy, then it senses the transmission medium continuously until it becomes idle, then transmits ...

  3. HTTP persistent connection - Wikipedia

    en.wikipedia.org/wiki/HTTP_persistent_connection

    Under HTTP 1.0, connections should always be closed by the server after sending the response. [1]Since at least late 1995, [2] developers of popular products (browsers, web servers, etc.) using HTTP/1.0, started to add an unofficial extension (to the protocol) named "keep-alive" in order to allow the reuse of a connection for multiple requests/responses.

  4. Current Dental Terminology - Wikipedia

    en.wikipedia.org/wiki/Current_Dental_Terminology

    Current Dental Terminology (CDT) is a code set with descriptive terms developed and updated by the American Dental Association (ADA) for reporting dental services and procedures to dental benefits plans. [1] [2] [3] Prior to 2010 many of the codes were published by Centers for Medicare and Medicaid Services (CMS) as HCPCS D-codes under ...

  5. Persistent memory - Wikipedia

    en.wikipedia.org/wiki/Persistent_memory

    The read-of-non-persistent-write problem is found for lock-free programs on persistent memory. As compare-and-swap (CAS) operations do not persist the written values to persistent memory, the modified data can be made visible by the cache coherence protocol to a concurrent observer before the modified data can be observed by a crash observer at persistent memory.

  6. Persistent array - Wikipedia

    en.wikipedia.org/wiki/Persistent_array

    The main difference between persistent and non-persistent arrays being that, in non-persistent arrays, the array ar is destroyed during the creation of ar2. For example, consider the following pseudocode. array = [0, 0, 0] updated_array = array.update(0, 8) other_array = array.update(1, 3) last_array = updated_array.update(2, 5)

  7. Epithelial root sheath - Wikipedia

    en.wikipedia.org/wiki/Epithelial_root_sheath

    The sheath is also responsible for multiple or accessory roots (medial growth) and lateral or accessory canals in the root (break in epithelium). [3] It is controversial, but HERS may be involved in cementogenesis and the secreting of cementum, or that HERS-derived products might be related to enamel-related molecules, and that these proteins might initiate acellular cementum formation.

  8. Chronic periodontitis - Wikipedia

    en.wikipedia.org/wiki/Chronic_periodontitis

    Chronic periodontitis is one of the seven categories of periodontitis as defined by the American Academy of Periodontology 1999 classification system. Chronic periodontitis is a common disease of the oral cavity consisting of chronic inflammation of the periodontal tissues that is caused by the accumulation of profuse amounts of dental plaque.

  9. Dental notation - Wikipedia

    en.wikipedia.org/wiki/Dental_notation

    The upper teeth are denoted I 1, I 2, C −, Pm 3, Pm 4, M 1, M 2, and M 3. Left or right has to be specified. The lower teeth are I 1, I 2, C −, Pm 3, Pm 4, M 1, M 2, and M 3. The reason the premolars are labeled 3 and 4 is that in earlier primates there were two other premolars between them and the canines. [5]