root

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ROOT. That part of a tree or plant under ground from which it draws most of its nourishment from the earth.
     2. When the roots of a tree planted in one man's land extend into that of another, this circumstance does not give the latter any right to the tree, though such is the doctrine of the civil law; Dig. 41, 1, 7, 13; but such person has a right to cut off the roots up to his line. Rolle's R. 394, vide Tree.
     3. In a figurative sense, the term root is used to signify the person from whom one or more others are descended. Vide Descent; Per stirpes.

References in periodicals archive ?
Root planing smooths out the roots, encouraging gum reattachment.
For the majority of patients, periodontal sites will respond adequately to scaling and root planing and require no additional therapy.
8) Some microorganisms remain on the root surface even after root planing and scaling procedures.
In addition, for pregnant women not requiring scaling and root planing, the benefit enhancement will cover an additional cleaning during pregnancy because of the potential risk of "pregnancy gingivitis.
Arestin is indicated for the adjunctive treatment of adult periodontitis following scaling and root planing.
Periostat is the registered trademark of CollaGenex's proprietary 20 mg tablets of doxycycline hyclate approved by the FDA as the only systemic adjunct to scaling and root planing for the treatment of adult periodontitis.
The researchers randomly assigned 823 pregnant women with periodontitis to receive scaling and root planing, either at 13 to 21 weeks' gestation or up to three months after delivery.
ARESTIN(TM) uses patented microsphere technology to deliver the antibiotic minocycline beneath the gum, directly into the infected periodontal pocket, following deep cleaning of the teeth and gums with scaling and root planing, a common method of treatment.
Currently, the Company's professional dental pharmaceutical sales force markets Periostat, which is indicated as an adjunct to scaling and root planing for the treatment of adult periodontitis.
The new perio probe, available for both the DIAGNOdent Classic and pen versions, uses laser fluorescence of subgingival calculus to determine quantification of calculus left behind by standard root planing and scaling.
In the case of a patient who needs an adult prophylaxis and scaling and root planing for a limited number of teeth, one may want to fee out the prophylaxis on the first visit and the D4342 on the second visit for better reimbursement.
Phase 3 clinical data, announced on November 29, 1999, demonstrated MPTS, when used as an adjunct to scaling and root planing, significantly reduced pocket depth versus scaling and root planing alone for the treatment of adult periodontitis.