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Article: Volume 48 Number 9 Page 733 - October 2021

  Dent Update 2021; 48: 733-740  Read article

Restorative dentistry:  Proximal contact tightness for Class II direct composite resin restorations: a literature review

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Abstract: This article reviews the literature regarding factors that affect proximal contact tightness (PCT) when restoring Class II cavities with direct composite resin. The PCT between two adjacent teeth is an important factor in maintaining oral health by ensuring that tooth positions remain stable, food is deflected away during mastication, dental papillae are maintained and to facilitate hygienic cleaning. If open contacts are created, there is a greater chance that the patient will experience periodontal problems or caries. Using sectional matrix systems with separation rings, and using materials with less polymerization shrinkage are effective methods to increase PCT and create significantly tighter contacts compared with using circumferential matrix systems.

Clinical relevance: Understating the clinical factors that affect proximal contact tightness between adjacent teeth is important to achieve optimal contacts in direct composite resin restorations to maintain oral health.

Author notes: Oliver Hinton, BDS, MJDF (RCS Eng), MSc, Clinical Dental Tutor, University of Birmingham, General Dental Practitioner, Maple Dental Care Ltd, Sale, Manchester and Abbey Dental Practice, Northwich, Cheshire. email: smile@olihintondental.com

Objective: To understand the clinical factors that affect proximal contact tightness in Class II direct composite resin restorations in order to restore teeth with optimal contacts.

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