82797

The treatment for necrotizing ulcerative gingivitis (NUG) typically involves debridement to remove necrotic tissue and improve oral hygiene. Providing oral hygiene instructions is also crucial to prevent recurrence.

88356

Apical endodontic (periradicular) surgery is performed to surgically access the apex of the tooth root and the surrounding periapical tissues. This allows for direct visualization of the area, enabling the clinician to identify the cause of failure of previous root canal treatment (such as a missed canal, a crack, or a foreign body) and perform necessary procedures like apicoectomy (removal of the root tip) and retrofill.

17995

The day after dialysis is often cited as best, but specifically, 4-6 hours after or the day after ensures heparin has worn off and the patient is in the best metabolic state.

11314

Functions of delta type opioid receptors are:

83312

Cervical third root fractures have the least favorable prognosis. This is because: 1) The fracture line is at or near the gingival margin, making restoration difficult, 2) Contamination from oral fluids is inevitable, preventing proper healing, 3) Crown-root ratio becomes unfavorable even if healing occurs, 4) Periodontal involvement is common, 5) Often requires extraction due to poor long-term prognosis. Apical third fractures have the best prognosis as they often heal with fibrous union and remain functional, while middle third fractures have intermediate prognosis.

70140

Ductility of Base metalalloy increased by Nickel

Cobalt: (35-65%) decrease hardness, strength and rigidity.
Chromium: (23 – 30 %) passivity effect, decrease melting point.
Nickel: (0-20%) decrease strength and hardness, increase ductility (Nickel cause sensitivity in some patients).
Molybdenum: (0-7%) increase hardness.

81312

Head and Neck: The head and neck region includes various structures such as the oral cavity, nasal cavity, pharynx, larynx, and the salivary glands. This region is highly susceptible to carcinomas due to the presence of mucosal surfaces exposed to potential carcinogens. Common types of head and neck carcinomas include:

- Oral Squamous Cell Carcinoma: This is the most common form of head and neck cancer, typically occurring on the tongue, lips, oral cavity, and oropharynx. Risk factors include tobacco use (smoking and smokeless), alcohol consumption, and human papillomavirus (HPV) infection.
- Nasopharyngeal Carcinoma: This cancer arises from the nasopharynx and is often associated with environmental factors such as the Epstein-Barr virus (EBV) infection and dietary habits.
- Laryngeal Carcinoma: Cancer of the larynx (voice box) is often linked to smoking and excessive alcohol intake.

75515

Answer: 4) Increase in heart rate and increase in stroke volume
Explanation: Thyroid hormones, such as thyroxine (T4) and triiodothyronine (T3), enhance the effects of catecholamines on the cardiovascular system, leading to increased heart rate and stroke volume. This results in a higher cardiac output, which is essential for meeting the increased metabolic demands during stress or exercise.

65328

Paraesthesia, a feeling of pins and needles or numbness, can occur during or after a mandibular nerve block. It is primarily caused by the needle physically contacting the nerve sheath or the nerve trunk itself during the injection procedure. This physical trauma or irritation to the nerve can temporarily disrupt its normal function, leading to the sensation of paraesthesia.

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