Flashcards: Oral Mucosa and Bone Anatomy — 20 cartões

Tooth germ — definition?

Embryonic structure forming a tooth.

Enamel — tissue?

Hard mineralized tissue covering the crown.

Dentin — location?

Beneath enamel, forming tooth bulk.

Crown vs root — difference?

Crown is visible; root is embedded.

Odontogenesis — process?

Tooth formation involving multiple stages.

Eruption — mechanism?

Tooth moves into functional position.

Lining mucosa — features?

Non-keratinized, flexible, lines inside cheeks.

Masticatory mucosa — location?

Keratinized, found on gingiva and palate.

Specialized mucosa — contains?

Taste buds on dorsal tongue.

Keratinization — role?

Provides protection and durability.

Non-keratinocytes — include?

Langerhans, melanocytes, Merkel cells.

Langerhans cells — role?

Antigen-presenting immune cells.

Melanocytes — function?

Produce melanin, pigment oral mucosa.

Merkel cells — function?

Mechanoreceptors for light touch.

Salivary glands — main function?

Produce saliva for digestion and protection.

Major salivary glands — types?

Parotid, submandibular, sublingual.

Oral bones — examples?

Mandible and maxilla.

TMJ — what?

Joint connecting mandible and temporal bone.

TMJ — contains?

Articular disc, synovial fluid, cartilage.

Saliva — components?

Enzymes, electrolytes, mucus, antimicrobial agents.