J Dent Rehabil Appl Sci.  2015 Sep;31(3):169-177. 10.14368/jdras.2015.31.3.169.

Relationship between the facial bone thickness and gingival biotype of the anterior maxilla in Koreans

• Park JH
• Kim YK
• Kim HM
• Joo JY
• Lee JY

• KMID: 2180012
• DOI: http://doi.org/10.14368/jdras.2015.31.3.169

Abstract

PURPOSE
The objects of this study were to examine the thickness of labial plate of anterior maxillary teeth and the gingival biotype in Koreans and to evaluate whether there is a correlation between the gingival biotype and the thickness of labial plate.
MATERIALS AND METHODS
This study was performed on 335 teeth of 57 subjects at the Pusan National University Dental Hospital. Cone Beam Computed Tomography (CBCT) was used to measure the thickness of labial plate at 4 mm, 6 mm, 8 mm from the cementoenamel junction and the gingival biotype was determined by the visibility of periodontal probe.
RESULTS
Thin facial bone less than 1 mm was observed in 87% at 4 mm, 88% at 6 mm and 90% at 8 mm. In 21% of total objects, thin gingival biotype was observed. There is no correlation between the thickness of labial plate and gingival biotype.
CONCLUSION
Additional thorough radiographic examination such as CBCT was mandatory for aesthetic dental implant in the anterior dentition besides clinical oral examination.

Keyword

dental implants; periodontium; Koreans

MeSH Terms

Asian Continental Ancestry Group
Busan
Cone-Beam Computed Tomography
Dental Implants
Dentition
Diagnosis, Oral
Facial Bones*
Humans
Maxilla*
Periodontium
Tooth
Tooth Cervix
Dental Implants

Figure

• 

  Fig. 1 Slice location in the center of the respective root, perpendicular to the alveolar ridge.

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  Fig. 2 Distance from the cementoenamel junction (CEJ) to the alveolar bone crest (BC).

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  Fig. 3 Labial plate thickness at 4, 6, 8 mm from the cementoenamel junction (CEJ).

Reference

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