Paranasal sinuses

Feb 15, 2025 by in General Dentistry Comments Off on Paranasal sinuses

Overview and topographic anatomy General information • The paranasal sinuses are invaginations from the nasal cavity that drain into spaces associated with the lateral nasal wall • There are 4…

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Nose and nasal cavity

Feb 15, 2025 by in General Dentistry Comments Off on Nose and nasal cavity

Overview and topographic anatomy General information Nose • The prominent anatomic structure located inferior and medial to the eyes • Helps warm, humidify, and filter inspired air; protects the respiratory…

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Autonomics of the head and neck

Feb 15, 2025 by in General Dentistry Comments Off on Autonomics of the head and neck

Overview of the autonomic nervous system General information • The autonomic nervous system (ANS) has control over the functions of many organ systems and tissues • Provides innervation to: •…

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Dental implants

Feb 15, 2025 by in General Dentistry Comments Off on Dental implants

Overview and topographic anatomy General information • A dental implant is a tooth replacement with a titanium “root” implant into bone and attached crown • Known for its durability, implant…

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Ear

Feb 15, 2025 by in General Dentistry Comments Off on Ear

Overview and topographic anatomy General information • Dual functions: • Maintains the balance of the body (vestibular) • Perceives sound (auditory) • 3 divisions: • External ear • Middle ear…

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Larynx

Feb 15, 2025 by in General Dentistry Comments Off on Larynx

Overview and topographic anatomy General information • Larynx— connection between the pharynx and the trachea • Prevents foreign bodies from entering the airways • Designed for the production of sound…

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The neck

Feb 15, 2025 by in General Dentistry Comments Off on The neck

Overview and topographic anatomy General information • The neck is the area between the base of the skull and inferior border of the mandible and the superior thoracic aperture •…

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Tongue

Feb 15, 2025 by in General Dentistry Comments Off on Tongue

Overview and topographic anatomy General information • Tongue— a muscular structure in the oral cavity, divided into 2 parts: • Oral (presulcal), movable part—the anterior two-thirds of the tongue •…

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Scalp and muscles of facial expression

Feb 15, 2025 by in General Dentistry Comments Off on Scalp and muscles of facial expression

Overview and topographic anatomy General information Scalp • The area bordered by the forehead, superior part of the cranium, and occipital area immediately superior to the superior nuchal line •…

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Osteology

Feb 15, 2025 by in General Dentistry Comments Off on Osteology

Overview General information • Most complicated bony structure in the human body • The complete bony framework of the head; includes the mandible • 28 individual bones make up the…

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Cervical fascia

Feb 15, 2025 by in General Dentistry Comments Off on Cervical fascia

Overview and topographic anatomy General information • Fascia— a band of connective tissue that surrounds structures (such as enveloping muscles), giving rise to potential tissue spaces and pathways that allow…

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Temporal and infratemporal fossae

Feb 15, 2025 by in General Dentistry Comments Off on Temporal and infratemporal fossae

Overview and topographic anatomy General information • The entire temporal area consists of 2 fossae divided by the zygomatic arch Temporal fossa • Related to the temple of the head…

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Questions and answers

Feb 15, 2025 by in General Dentistry Comments Off on Questions and answers

Chapter 1 Development of the head and neck 1. Your adult patient has a cleft palate that has been surgically corrected. This was caused by a failure of fusion of…

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Lymphatics

Feb 15, 2025 by in General Dentistry Comments Off on Lymphatics

Lymphatics General overview • The lymphatic system is a major part of the body’s immune system that functions to: • Collect, filter, and return excess interstitial fluid to the venous…

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Temporomandibular joint

Feb 15, 2025 by in General Dentistry Comments Off on Temporomandibular joint

Overview and topographic anatomy General information • The temporomandibular joint (TMJ) is the articulation between the squamous portion of the temporal bone and the condyle of the mandible • It…

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Pterygopalatine fossa

Feb 15, 2025 by in General Dentistry Comments Off on Pterygopalatine fossa

Overview and topographic anatomy General information • The pterygopalatine fossa is a pyramid-shaped fossa on the lateral aspect of the skull between the maxilla’s infratemporal surface and the pterygoid process…

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Development of the head and neck

Feb 15, 2025 by in General Dentistry Comments Off on Development of the head and neck

Overview General information • 3 major germ layers form the initial developing embryo: • Ectoderm • Mesoderm • Endoderm • Mesoderm differentiates into: • Paraxial mesoderm • Intermediate mesoderm •…

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Muscles of mastication

Feb 15, 2025 by in General Dentistry Comments Off on Muscles of mastication

Overview and topographic anatomy General information • Mastication is the process of chewing food in preparation for deglutition (swallowing) and digestion • All muscles of mastication originate on the skull…

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Parotid fossa and gland

Feb 15, 2025 by in General Dentistry Comments Off on Parotid fossa and gland

Overview and topographic anatomy General information • The largest of all the major salivary glands, which weighs approximately 25 g • Responsible for 20% to 25% of saliva formed by…

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