Histology of the Teeth and Surrounding Structures

11-10-2008
Histology
Teeth consist for the major part of dentin. This material houses the dental pulp, the soft tissue core of the tooth consisting of myxoid connective tissue with blood vessels and nerves, and supports the enamel cap that covers the part of the tooth that is exposed to the oral cavity. In the root area, dentin is covered by cementum that fixes the collagenous fibres of the periodontal ligament onto the root surface. At the other side, these collagenus fibres are attached to the bone of the tooth socket and in this way, the tooth is fixed in 
the jaw. Trough an opening at the root tip that is called the apical foramen, the connective tissue of the pulp is continuous with the collagenous fibres of the periodontal ligament. Blood vessels and nerves pass through this opening to the dental pulp. Sometimes, additional communications exist between dental pulp and the periodontal ligament. These so-called accessory canals are clinically important as they may cause lesions usually confined to the root tip to occur at aberrant sites. 

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Гость:
I didn’t realize that the corsue of study for a dental hygienist is only two years! That makes it a very attractive career path, or even a break to recoup some money on the study path to becoming an orthodontist or any other dental specialist.

Гость:
Hi Katy, I have the first 2 years of a nursing deegre and have spent my career so far working as a care coordinator with the elderly in residential care. I am trained with medication and first aid etc I don’t have a levels but instead I did an access course. Would this be acceptable instead of the a levels? Also I wanted to ask if the dental hygiene courses can be done part time over a longer period or if they are all full time?Many thanksLee

Гость:
Hi! I would like to enquire if it is polbssie for me to study as a dental nurse in UK even though I am not a UK resident. I live in the Philippines. I wanted to study in the UK and I am contemplating working in this field.My siblings lives in London. What is the nearest school in the South are of London that offers Dental Nursing course?It would be a great help if you could reply. Thanks so much.Sincerely,Gina

Гость:
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Articles for theme “Histology”:
Dentin Histology of the Teeth
07-06-2008
Dentin is a specialized kind of bone formed by the odontoblasts but different in the sense that it does not contain complete cells but only cellular extensions, i.e., cytoplasmic extensions from the odontoblasts. These cross the full thickness of the dentin from the odontoblastic cell body that lies at the border between dentin and dental pulp to the junction between dentin and enamel. The tiny canals that house the odontoblastic extensions are recognizable as evenly spaced tubuli. This tubular nature is the histologic hallmark for dentin, not only in teeth but also in odontogenic lesions in which the nature of each mineralized material may not be recognizable at first sight.