12904

H-file instrumentation is considered the most efficient method for GP retrieval because it allows for mechanical removal of the material from within the root canal space. While solvents and thermal methods exist, they are often slower or harder to control.

10324

Huntington's disease is characterized by two main clinical features: chorea (involuntary, irregular, and sudden jerky movements) and behavioral disturbances. These symptoms may occur alone or in combination, with the choreic movement disorder typically becoming more pronounced over time.

73761

Patient records, including dental X-ray films, are typically the property of the dentist who created them. The dentist is responsible for maintaining, storing, and safeguarding these records according to legal and professional standards. However, patients do have the right to access and obtain copies of their records.

51249

Piezoelectric devices used in dentistry, such as for periodontal surgery or scaling, operate at high frequencies, typically in the ultrasonic range. The frequency range for these devices is generally between 30,000 Hz and 50,000 Hz (or 30 kHz to 50 kHz).

74717

The threshold for phosphate excretion in the urine is approximately 0.50 mM, above which phosphate begins to appear in the urine.

79006

Hemophilia A is typically inherited in a sex-linked recessive pattern, meaning it is caused by a mutation in a gene on the X chromosome. Males are more commonly affected since they have only one X chromosome, while females with one normal and one affected X chromosome are usually carriers and may exhibit mild symptoms.

38852

32522

The primary advantage of an external splint compared to an internal splint is conservation of tooth structure.

34495

All listed conditions are contraindications: compromised general health affects healing, deep periodontal pockets with mobility indicate poor prognosis, and anatomical inaccessibility prevents proper surgical technique.

41719

Vitamin C deficiency is due to defect of Lysyl hydroxylase