Preventive and Interceptive Orthodontics

<p>To prevent the full expression of developing malocclusions (B)</p> Signup and view all the answers

<p>Caries control in deciduous teeth (D)</p> Signup and view all the answers

<p>Unfavorable features of a developing occlusion (B)</p> Signup and view all the answers

<p>It aims to simplify future treatments by addressing issues early (C)</p> Signup and view all the answers

<p>To limit disability caused by malocclusion and rehabilitate occlusion (D)</p> Signup and view all the answers

<p>Shortage of space for erupting permanent anteriors (B)</p> Signup and view all the answers

<p>Generalized interdental spaces (B)</p> Signup and view all the answers

<p>Angle Class I occlusion (B)</p> Signup and view all the answers

<p>They can alter the position of teeth depending on duration and intensity (D)</p> Signup and view all the answers

<p>Maxillary and mandibular relation (D)</p> Signup and view all the answers

<p>Closure of tooth spaces (A)</p> Signup and view all the answers

<p>It influences the inclination of teeth and development of crossbites (B)</p> Signup and view all the answers

<p>Mixed dentition (B)</p> Signup and view all the answers

<p>Place a band on the second primary molar with a distal extension. (B)</p> Signup and view all the answers

<p>Fluoride exposure (C)</p> Signup and view all the answers

<p>When the contralateral tooth has erupted for more than six months. (D)</p> Signup and view all the answers

<p>Remove any physical obstruction. (D)</p> Signup and view all the answers

<p>Periapical or panoramic radiograph (D)</p> Signup and view all the answers

<p>Patient's age when tooth was lost (B)</p> Signup and view all the answers

<p>Lack of space for the permanent successor (D)</p> Signup and view all the answers

<p>Immediate eruption of the permanent successor (C)</p> Signup and view all the answers

<p>Panoramic radiograph (D)</p> Signup and view all the answers

<p>7 years (A)</p> Signup and view all the answers

<p>Formation of anterior crossbite (A)</p> Signup and view all the answers

<p>Maxillary first permanent molars (B)</p> Signup and view all the answers

<p>Advanced age (A)</p> Signup and view all the answers

<p>Eruption into an atypical position (A)</p> Signup and view all the answers

<p>Congenital absence of permanent successors (B)</p> Signup and view all the answers

<p>The permanent molar spontaneously self-corrects before age 7. (C)</p> Signup and view all the answers

<p>Age of the patient when diagnosed. (A)</p> Signup and view all the answers

<p>Decreased arch perimeter. (B)</p> Signup and view all the answers

<p>Grade 4. (B)</p> Signup and view all the answers

<p>Interproximal wedging. (B)</p> Signup and view all the answers

<p>Elastomeric separators require more frequent follow-up. (D)</p> Signup and view all the answers

<p>Pain and infection related to the molar. (A)</p> Signup and view all the answers

<p>Presence of the second primary molar. (A)</p> Signup and view all the answers

<p>In the presence of irreversible pulpitis. (C)</p> Signup and view all the answers

<p>Facilitates movement and space creation. (A)</p> Signup and view all the answers

Preventing malocclusion before it even starts, focusing on the primary dentition.

Early diagnosis and treatment of malocclusion during the mixed dentition stage, preventing further problems. It aims to make future treatment easier.

Educating parents and children on good oral hygiene habits to prevent future problems.

Maintaining sufficient space for permanent teeth by preventing premature loss of primary teeth.

Expanding the upper arch to correct a crossbite, where the upper teeth are inside the lower teeth.

A removable appliance used to guide the eruption of permanent teeth into their correct positions.

Using appliances to guide permanent teeth into their correct positions.

The amount of bone surrounding the unerupted permanent tooth, indicating its proximity to the surface.

The time that has passed since a primary tooth was lost, influencing the need for space maintenance.

The specific location of the missing tooth in the dental arch, affecting the potential for space loss.

The stage of development of the permanent tooth's root, influencing its ability to erupt properly.

The current alignment or misalignment of the teeth, impacting the need for space management.

The measurement of the available space in the dental arch, which determines the potential for a permanent tooth to erupt correctly.

The presence of a primary tooth that hasn't fallen out by the expected time.

The permanent tooth erupts in a position that is not normal, usually affecting molars or canines.

Insufficient space for a permanent tooth to erupt correctly, requiring special interventions.

The difference in space needed for permanent anterior teeth compared to primary anterior teeth, typically 7mm in the upper arch and 5mm in the lower arch.

The stage where permanent molars erupt and create a specific relationship between the upper and lower molars.

The relationship between the upper and lower jaws in terms of length, width, and height.

The impact of lip, cheek, tongue, and chewing muscles on the jaw shape and teeth alignment.

The type of occlusion where the upper jaw is slightly forward compared to the lower jaw, classified as Class I in Angle's classification.

Habits like thumb sucking or tongue thrusting that can negatively influence tooth position and bite.

The stage when all permanent teeth have erupted and the occlusion is developed.

The stage characterized by the eruption of permanent incisors, leading to shifting and adjustments in the bite.

The type of occlusion where the upper and lower jaws are aligned in a neutral position, classified as Class I in Angle's classification.

A technique used to move an impacted molar distally (backwards) by using a rubber band attached to a cantilever arm (a small metal piece) fixed to a tooth in the mouth.

A condition where a permanent incisor (front tooth) hasn't erupted by its expected time (7-9 years old).

A type of orthodontic treatment aiming to ensure normal eruption of permanent incisors by removing any obstructions.

A potential cause of unerupted permanent incisors, including supernumerary (extra) teeth, cysts, and bone diseases.

An ectopic eruption is when a permanent first molar erupts out of its normal position, usually mesially, getting stuck behind the second primary molar. This can happen due to factors like the angle of the first molar, crowding, or the shape of the primary molar.

When a permanent molar spontaneously corrects its position before 7 years of age, and erupts into its normal position, it's considered reversible. If the permanent molar remains blocked by the primary molar, even after 7 years, then it's irreversible.

An ectopic eruption can cause pain and infection in the second primary molar, due to its exposure or involvement. It can also lead to premature exfoliation (loss) of the second primary molar. Additionally, the ectopic first molar can shift mesially, taking up space needed for the second premolar, potentially leading to impaction.

The management of ectopic eruption depends on the age of the child, the condition of the second primary molar, the presence or absence of the permanent second premolar, and the severity of the impaction of the first molar.

If the child is younger than 7 years old, there might be a chance for spontaneous correction. After 8 years, active treatment is usually necessary. If there is pain or mobility in the second primary molar, extraction and space maintenance are needed. If the second premolar is missing, extracting the primary molar allows the first molar to close the space.

If the second premolar is missing, extracting the primary molar allows the first molar to close the space. This is because the first molar needs space to erupt properly.

The severity of Impaction is categorized into four grades. Grade 1 might correct spontaneously, Grade 2 needs mild intervention like wedging, Grade 3 needs active tipping, and Grade 4 requires extracting the primary molar.

Interproximal wedging involves placing a separating material between the first molar and the primary molar. This helps create space for the first molar to erupt. There are different types of separators, including elastomeric, brass wire, and orthodontic band.

Distal tipping is a technique used to move the first molar distally (backwards), using an appliance like a Transpalatal Arch (TPA) with a distal hook. The TPA is placed on the primary molar, with an arm extending towards the back to push the molar back.

When little movement is needed, an elastomeric separator can be used. For more significant movement, a brass wire is preferred. Orthodontic bands are another option. Remember that brass wire can be painful and requires local anesthesia.