Hyperdontia (Extra Teeth) - Oris Dental 
                     March 25, 2025
Hyperdontia (Extra T
eeth)
AGENDA
• Introduction to Hyperdontia
• Types of Supernumerary Teeth
• Causes and Symptoms
• Complications of Hyperdontia
• Treatment Options
• Is Hyperdontia Dangerous?
• Extreme Hyperdontia Cases
• Conclusion and Recommendations
Introduction to Hyperdontia
Hyperdontia is a dental condition characterized 
by the presence of extra teeth, known as 
supernumerary teeth, that grow in addition to 
the normal sets of primary and permanent teeth. 
This condition is quite rare, affecting only about 
1% to 4% of the population, and is more 
frequently observed in males. While hyperdontia 
itself is not considered dangerous, it can lead to 
complications such as dental crowding or 
misalignment, which may require treatment if 
they cause discomfort or hinder oral health.
Types of Supernumerary 
Teeth
Mesiodens Paramolars Distomolars
Extra teeth that develop between the Additional teeth that grow near the Teeth that emerge behind the third 
two central upper front teeth, often molars, potentially impacting chewing molars (wisdom teeth), which can lead 
causing crowding. and alignment. to complications during eruption.
Conical Teeth Supplemental Teeth
Small, peg-shaped extra teeth that can Extra teeth that resemble normal teeth 
develop between regular teeth, often in shape and size, potentially 
causing aesthetic concerns. complicating dental alignment.
Causes and Symptoms
Genetic Factors Medical Conditions Common Symptoms
Hyperdontia has been linked to 
Certain medical issues, Symptoms can include pain or 
genetic predispositions, with 
including cleft lip and palate, tenderness in the gums, 
certain conditions such as 
may contribute to the swelling, misalignment of teeth, 
Gardner’s syndrome increasing 
occurrence of hyperdontia, and difficulty in chewing or 
the likelihood of developing 
affecting tooth development. biting.
extra teeth.
Complications of Hyperdontia
• Crowding of teeth can lead to misalignment and bite issues, making 
it difficult to chew effectively.
• Difficulty maintaining oral hygiene due to hard-to-reach areas 
caused by extra teeth increases the risk of plaque buildup.
• Risk of developing dental cysts or tumors around the supernumerary 
teeth, which can cause further dental complications.
• Increased susceptibility to gum disease and tooth decay due to 
accumulation of bacteria and plaque in crowded areas.
Treatment Options
Orthodontic Surgical 
Monitoring Extraction Treatment Intervention
If hyperdontia is asymptomatic, For discomfort or crowding, After extraction, orthodontic In severe cases, surgical 
dentists may recommend extraction of supernumerary treatment may be needed to intervention may be needed to 
regular monitoring to ensure no teeth may be necessary. This is correct misalignment caused by remove deeply embedded extra 
complications arise, allowing for typically done under local extra teeth. Braces can help teeth. This procedure aims to 
ongoing dental health. anesthesia to minimize pain. realign the teeth. alleviate complications.
Regular dental check-ups Extraction plan Orthodontic assessment Surgical assessment
Monitoring schedule Post-operative care instructions Treatment plan Surgical procedure details
Patient education Pain management guidelines Post-treatment care Recovery plan
instructions
Is 
Hyperdontia 
Dangerous?
Hyperdontia is generally not considered a dangerous condition. Most 
individuals with extra teeth do not experience significant health risks. 
However, complications can arise, such as dental crowding, 
misalignment, and increased difficulty in maintaining oral hygiene. In 
rare cases, hyperdontia may lead to the development of cysts or tumors 
around the extra teeth. Regular dental evaluations can help monitor any 
potential issues, ensuring timely intervention if complications occur.
Extreme Hyperdontia Cases
Extreme Cases and Genetic Associations
●Extreme hyperdontia involves the development of multiple supernumerary 
teeth, which can lead to severe dental complications.
●This condition is often associated with genetic disorders such as Gardner’s 
Syndrome, characterized by the presence of numerous benign tumors and 
hyperdontia.
●Cleidocranial Dysplasia is another genetic condition linked to hyperdontia, 
resulting in delayed tooth eruption and other dental anomalies.
●Individuals with extreme hyperdontia may require extensive dental treatments, 
including multiple extractions and orthodontic interventions to correct 
alignment issues.
Conclusion and 
R•eHcyopemrdonmtia eis na rdarae ctoinoditnions characterized by the 
presence of extra teeth, which may lead to complications 
such as misalignment and difficulty maintaining oral 
hygiene.
• Not all individuals with hyperdontia will require treatment; 
many can manage without intervention if no complications 
arise.
• Common treatment options include regular monitoring, 
extraction of problematic teeth, orthodontic treatment, and 
surgical intervention for severe cases.
• Consulting a dentist is crucial if experiencing pain, 
discomfort, or issues with dental alignment to determine 
the best course of action.
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