43142

The position of the maxillary canines and first permanent molars relative to the mandibular canines and first permanent molars

88417

• Erythema multiforme - Steven-Johnson syndrome: Erythema multiforme is a condition that can progress to Steven-Johnson syndrome (SJS), which is a severe form of the disease characterized by extensive mucosal involvement and skin detachment.
• Recurrent aphthous ulcer - Behçet's syndrome: Behçet's syndrome is an inflammatory condition that can present with recurrent oral ulcers, including aphthous-like lesions, along with other systemic manifestations.
• Lichen planus - Grinspan's syndrome: Grinspan's syndrome refers to a variant of lichen planus that is associated with diabetes mellitus and can present with oral lesions.

71703

The advantage of chisel and mallet over bur in removing bone is that no coolant is necessary.

74241

Zinc oxide-eugenol is the only oil-based cement mentioned in the text.

47037

The mandibular 1st molar is supplied by Inferior alveolar nerve and long Buccal Nerve

52631

The condyle is the most common site for a mandibular fracture. Other common sites include the angle and the body of the mandible.

46754

Ludwig's angina is a serious, potentially life-threatening infection of the floor of the mouth, typically polymicrobial in nature. The most common causative agents are bacteria that are part of the normal oral flora, primarily streptococci (both aerobic and anaerobic) and anaerobes, especially Bacteroides and Fusobacterium species. Anaerobic streptococci are frequently isolated from these infections, making them a primary agent.

35659

The chemical compound acetylcholine (ACh) is a neurotransmitter in both the peripheral nervous system (PNS)and central nervous system (CNS) in many organisms including humans. Acetylcholine is one of many neurotransmitters in the autonomic nervous system (ANS) and the only neurotransmiter used in the somatic nervous system. 

66717

The classic Vita Shade Guide uses a numbering system where 1 represents the lightest shade within a specific hue group (A, B, C, or D). Among the options provided, A1 is considered the lightest overall shade.

96969

Epiphora (excessive tearing) is an associated symptom of periodic migrainous neuralgia (cluster headache). Cluster headaches are accompanied by autonomic symptoms including lacrimation, nasal congestion, and conjunctival injection on the affected side. Trigeminal neuralgia, acute periodontitis, and ptyalism are not typically associated with excessive tearing.