Although the alveolar process is composed of compact bone, it may be called the cribriform plate because it contains numerous holes where Volkmann’s canals pass from the alveolar bone into the PDL. The alveolar bone proper is also called bundle bone
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Is alveolar bone compact bone?

Although the alveolar process is made up of compact bone, it may also be called the cribriform plate as it contains various holes where Volkmann canals pass from the alveolar bone and into the PDL. The alveolar bone proper is also called the bundle bone because of the Sharpey fibers.

Is alveolar bone cancellous bone?

Alveolar bone consists of four layers. In addition to the three layers found in all bones, namely periosteum, dense compact bone and cancellous bone, there is a fourth layer called the cribriform plate, which lines the alveolar sockets. Radiographically, this appears as a fine radiodense line called the lamina dura.

What is the alveolar bone?

The alveolar process, also called the alveolar bone, includes the thick ridge of bone containing the sockets of the tooth on the jaw bones which hold the teeth. The bones which contain teeth are the maxilla and the mandible. The curved portion of each alveolar process on the jaw is referred to as the alveolar arch.

What type of bone is bundle bone?

Bundle bone is a histologic term for the portion of the bone of the alveolar process that surrounds teeth and into which the collagen fibers of the periodontal ligament are embedded. It can also be referred to as alveolar bone proper.

Why is alveolar bone called alveolar?

The term alveolar (‘hollow’) refers to the cavities of the tooth sockets, known as dental alveoli. The alveolar process is also called the alveolar bone or alveolar ridge. The curved portion is referred to as the alveolar arch. The alveolar bone proper, also called bundle bone, directly surrounds the teeth.

What is maxillary alveolar bone?

Alveolar bone is that part of the maxilla and mandible which supports the teeth by forming the “other” attachment for fibres of the periodontal ligament (Fig. 1.148). It consists of two plates of cortical bone separated by spongy bone (Fig. … The alveolar bone and the cortical plates are thickest in the mandible.

What are cancellous bones?

Cancellous bone is the meshwork of spongy tissue (trabeculae) of mature adult bone typically found at the core of vertebral bones in the spine and the ends of the long bones (such as the femur or thigh bone).

How alveolar bone is formed?

The alveolar bone begins to first form by an intramembranous ossification with in the ectomesenchyme surrounding the developing tooth. This first formed bone is called as woven bone is less organized and is replaced with more organized lamellar one. When a deciduous tooth is shed, its alveolar bone is resorbed.

What is the bone around a tooth called?

The jaw bone, also called the alveolar bone, is the bone that contains the tooth sockets and surrounds the teeth’s roots; it holds the teeth in place.

What is alveolar region?

The alveolar ridge is a small protuberance just behind the upper front teeth that can easily be felt with the tongue. The major part of the roof of the mouth is formed by the hard palate in the front, and the soft palate or velum at…

Why is it called the alveolar ridge?

It is so-named because the small jaw ridges are actually the edges of the cavity sockets, or alveoli, that house the roots of teeth. Although subtle and somewhat difficult to discern, they can be felt as an irregular and bumpy surface by the tongue tracing the hard palate near the inner base of teeth.

Which of the following best describes the alveolar bone proper?

The alveolar bone, also called the alveolar process, is the part of the jaw that holds the teeth. … However, the alveolar bone proper is the area of bone that comes directly into contact with the root of a tooth, or the lining of the socket. The alveolar bone proper is hard, compact bone and not soft, spongy bone.

What is alveolar bone resorption?

Alveolar bone resorption is frequently observed after tooth extraction. Atrophy of the alveolar ridge may cause esthetic and surgical problems in prosthetic dentistry. Augmentative measures may thus be required to guarantee optimal prosthetic replacement of the lost tissues.

Where is the alveolar margin?

The alveolar ridge (/ælˈviːələr, ˌælviˈoʊlər, ˈælviələr/; also known as the alveolar margin) is one of the two jaw ridges, extensions of the mandible or maxilla, either on the roof of the mouth between the upper teeth and the hard palate or on the bottom of the mouth behind the lower teeth.

What is the alveolar process function?

The alveolar process is the thick ridge of bone in the jaw that holds the dental alveoli, or tooth sockets. The dental alveoli hold the roots of the teeth in place, and in case of a dental implant, the alveolar process holds implant hardware in place.

What is gingiva?

(JIN-jih-vuh) The tissue of the upper and lower jaws that surrounds the base of the teeth. Also called gums.

Is lamina dura radiopaque?

The lamina dura surrounds the tooth socket and provides the attachment surface with which the Sharpey’s fibers of the periodontal ligament perforate. On an x-ray a lamina dura will appear as a radiopaque line surrounding the tooth root. An intact lamina dura is seen as a sign of healthy periodontium.

What are alveolar arches?

alveolar arch – the part of the upper or lower jawbones in which the teeth are set. appendage, outgrowth, process – a natural prolongation or projection from a part of an organism either animal or plant; “a bony process” jaw – the part of the skull of a vertebrate that frames the mouth and holds the teeth.

What type of bone makes up the diaphysis?

Diaphysis. The diaphysis is the shaft of the long bone, the main body. The diaphysis is a tube with a hollow center called the medullary cavity (or marrow cavity). The wall of the diaphysis is made up of compact bone, which is dense and very hard.

Does spongy bone have osteocytes?

Like compact bone, spongy bone, also known as cancellous bone, contains osteocytes housed in lacunae, but they are not arranged in concentric circles. Instead, the lacunae and osteocytes are found in a lattice-like network of matrix spikes called trabeculae (singular = trabecula) (Figure 6.3.

Which bones are cortical?

Cortical bone forms the external layer of all bones but is found predominantly in the appendicular skeleton, particularly in diaphysis of long bones. Cancellous bone is found mainly in the axial skeleton, located between the cortices of smaller flat and short bones such as scapulae, vertebrae, and pelvis.

What cells are found in the periosteum?

The inner layer of the periosteum contains osteoblasts (bone-producing cells) and is most prominent in fetal life and early childhood, when bone formation is at its peak.

Where is cortical alveolar bone thinnest?

The cortical bone thickness of the midline area was thinnest in the CI on both labial and lingual sides, and thickest in the LI on the labial side and in the C on the lingual side among the tooth sites.

What is alveolar membrane?

The alveolar membrane is the gas exchange surface, surrounded by a network of capillaries. Across the membrane oxygen is diffused into the capillaries and carbon dioxide released from the capillaries into the alveoli to be breathed out. Alveoli are particular to mammalian lungs.

Is the alveolar ridge part of the mandible?

The alveolar ridge is an extension of the maxilla (the upper part of the jaw) and the mandible (the lower part of the jaw) and is a bony ridge that holds the sockets of the teeth. The alveolar ridge is a critical anatomical structure for healthy teeth and successful dental implants.

What is meant by alveolar ridge?

Definition of alveolar ridge 1 : the bony ridge or raised thickened border of the upper or lower jaw that contains the sockets of the teeth : alveolar process It is common for many of the teeth to be displaced from the alveolar ridge into the palate.

Which bones are just inferior to the Glabella?

A horizontal plate that forms the roof of the nasal cavity and closes the anterior part of the base of the cranium. The nasal bones lie directly inferior to the glabella. They from the bridge of the nose and the dome over the superior portion of the nasal cavity.

What is attached gingiva?

Attached gingiva – This tissue is adjacent to the free gingiva and is keratinized and firmly attached to the bone structure. It can range from 3-12 mm in height. Free gingiva – This tissue is not attached and forms a collar around the tooth.

What is alveolar ridge resorption?

Alveolar ridge resorption following tooth extraction is an extremely common and generally inevitable side effect of removing a tooth from its socket in the alveolar ridge.

What causes alveolar bone?

Although most premature tooth loss from non-systemic disease results from trauma or caries, the cause of advanced alveolar bone loss is often not readily apparent. Local factors (periodontitis, trauma, and infection secondary to caries) account for the majority of cases of premature bone loss.

What happens to alveolar bone after extraction?

Most of the bone loss occurs during the first six months after the procedure. Afterward, the resorption rate increases at a pace of 0.5–1% on average annually [3,6,7]. Moreover, an estimated 50% of the alveolar bone width is lost within 12 months after the extraction, 30% of which occurs within the first 12 weeks.