Results 41 to 50 of about 60,003 (350)

A clinical comparative evaluation between upper and lower first molar apicectomy procedures (A retrospective trial). [PDF]

open access: yesAl-Rafidain Dental Journal, 2011
Aims: The aim of this retrospective clinical trial was to evaluate and compare the upper and lower first molar apicectomy procedures in terms based on certain clinical criteria selected.
Wael T Al Wattar , Wafaa K Fathi
doaj   +1 more source

Comparative anchorage maintenance between the intercanine coil, lip bumper, and mandibular cervical traction during cuspid retraction [PDF]

open access: yes, 1972
Thesis (M.Sc.D.)--Boston University School of Graduate Dentistry, 1972 (Orthodontics)Bibliography included.The present study was undertaken to compare the efficiency of three different biomechanical mechanisms in preserving mandibular molar anchorage ...
Iverson, Dennis B.
core  

Mandible composition and properties in two selected praying mantises (Insecta, Mantodea)

open access: yesThe Anatomical Record, EarlyView.
Abstract Insects process their food with their cuticle‐based mouthparts. These feeding structures reflect their diversity and can, in some cases, showcase adaptations in material composition, mechanical properties, and shape to suit their specific dietary preferences.
Malo Roze   +3 more
wiley   +1 more source

CBCT study of mandibular first molars with a distolingual root in Koreans [PDF]

open access: yesRestorative Dentistry & Endodontics, 2018
ObjectivesThis study aimed to investigate the prevalence of a separate distolingual root and to measure the thickness of the buccal cortical bone in mandibular first molars in Koreans using cone-beam computed tomography (CBCT) images.Materials and ...
Hee-Ho Kim   +3 more
doaj   +1 more source

Prevention of the disrupted enamel phenotype in Slc4a4-null mice using explant organ culture maintained in a living host kidney capsule. [PDF]

open access: yes, 2014
Slc4a4-null mice are a model of proximal renal tubular acidosis (pRTA). Slc4a4 encodes the electrogenic sodium base transporter NBCe1 that is involved in transcellular base transport and pH regulation during amelogenesis.
Kurtz, Ira, Paine, Michael L, Wen, Xin
core   +2 more sources

A perspective from the Mesozoic: Evolutionary changes of the mammalian skull and their influence on feeding efficiency and high‐frequency hearing

open access: yesThe Anatomical Record, EarlyView.
Abstract The complex evolutionary history behind modern mammalian chewing performance and hearing function is a result of several changes in the entire skeletomuscular system of the skull and lower jaw. Lately, exciting multifunctional 3D analytical methods and kinematic simulations of feeding functions in both modern and fossil mammals and their ...
Julia A. Schultz
wiley   +1 more source

Pulpal Chamber Floor Thickness of First Molars in a Black South African Sample

open access: yesOral
Background/Objectives: Root canal procedures on multi-rooted teeth, including first molars, depend on experience, tactile perception, and anatomical knowledge to avoid perforation in the furcation region.
Marisca Meyer   +4 more
doaj   +1 more source

Cone⁃beam computed tomography evaluation of the distance between the root apex of mandibular molars and the inferior alveolar nerve canal in adults

open access: yes口腔疾病防治, 2018
Objective To evaluate the spatiotemporal relationship between the root apex of mandibular molars and the inferior alveolar nerve canal (IANC) in adults.
WU Daming
doaj   +1 more source

The relationship of the occurrence between three-rooted deciduous mandibular second molars and three-rooted permanent mandibular first molars in children

open access: yesJournal of Dental Sciences, 2021
Background/purpose: This study aimed to determine the correlation between the occurrence of three-rooted deciduous mandibular second molars and three-rooted permanent mandibular first molars in children.
Chia-ling Hsu   +4 more
doaj   +1 more source

Not more than three tissue kallikreins identified from organs of the guinea pig [PDF]

open access: yes, 1999
The large and varied multigene families of tissue kallikreins of rat and mouse are considered to selectively release as many bioactive peptides. In order to determine whether a similar family of enzymes is expressed in the organs of the guinea pig ...
Geiger   +6 more
core   +1 more source

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