36678

Down syndrome is characterized by maxillary hypoplasia, which gives the appearance of relative mandibular prognathism. The underdeveloped maxilla, combined with a relatively normal-sized mandible, creates the characteristic facial profile. Other features include macroglossia, high arched palate, delayed tooth eruption, and increased periodontal disease susceptibility. The maxillary hypoplasia is a key diagnostic facial feature along with the typical mongoloid facies.

85052

A graft of tissue that is obtained from a donor genetically identical to the recipient.

16839

If a laterally positioned flap is not properly designed or secured, it can lead to complications such as tearing or failing to fully cover the dehiscence, potentially causing a new dehiscence at the donor site.

32522

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

60089

Orientation records are best transferred by face-bow record.

30516

Rem facilitates comparison between different types of radiation.

14860

The treatment for Hirschsprung disease involves surgically removing the aganglionic segment of the colon and joining the normal colon to the rectum. This effectively restores the normal flow of intestinal contents and resolves the functional obstruction caused by the lack of coordinated peristaltic contractions.

26802

The largest and longest root canal of the maxillary second molar is the lingual

65759

Explanation: The minor connector should be positioned in the embrasure between two teeth to provide adequate support and stability for the clasp assembly. This positioning helps distribute forces evenly and maintains the integrity of the prosthesis. The other options do not provide the same level of support.

19058

Explanation: According to the WHO classification of dental injuries, pulp exposures due to crown fractures are classified under 873.62. This classification helps in standardizing the terminology used in dental trauma, allowing for better communication and understanding among dental professionals.


873.60 - Pulp Exposure due to Trauma

This code refers to cases where the pulp is exposed as a result of trauma to the tooth. It does not specify whether the pulp is vital or non-vital, but it indicates that there is a direct exposure of the pulp tissue.

873.61 - Avulsion of Tooth

This code is used for cases where a tooth has been completely displaced from its socket (avulsed). In avulsion cases, the pulp is typically exposed, and immediate re-implantation is critical for the best prognosis. This classification highlights the severity of the injury and the need for urgent treatment.
873.62 - Crown Fracture with Pulp Involvement

This code refers to fractures of the crown of the tooth that involve the pulp. It indicates that the fracture has extended into the pulp chamber, necessitating treatment such as root canal therapy.

873.63 - Crown Fracture without Pulp Involvement

This code is used for crown fractures that do not involve the pulp. In these cases, the injury is limited to the enamel and dentin, and the pulp remains intact.